---
title: OTel Alignment Overview
description: The following table summarizes the alignment status by namespaces between ECS in version 9.2.0 and OpenTelemetry semantic conventions in version 1.37.0...
url: https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-otel-alignment-overview
---

# OTel Alignment Overview
The following table summarizes the alignment status by namespaces between ECS in version `9.2.0` and OpenTelemetry semantic conventions in version `1.37.0`.

|                                 |                                                                                              |                                                                                    |                                                                           |                                                                                     |                                                                               |                                                                                 |                                                                             |                                                                         |                                                                        |
|---------------------------------|----------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------|---------------------------------------------------------------------------|-------------------------------------------------------------------------------------|-------------------------------------------------------------------------------|---------------------------------------------------------------------------------|-----------------------------------------------------------------------------|-------------------------------------------------------------------------|------------------------------------------------------------------------|
|                                 | Number of Fields / Attributes                                                                |                                                                                    |                                                                           |                                                                                     |                                                                               |                                                                                 |                                                                             |                                                                         |                                                                        |
| Namespace                       | ECS                                                                                          | OTel                                                                               | ![relation](https://img.shields.io/badge/match-93c93e?style=flat "match") | ![relation](https://img.shields.io/badge/equivalent-1ba9f5?style=flat "equivalent") | ![relation](https://img.shields.io/badge/related-efc20d?style=flat "related") | ![relation](https://img.shields.io/badge/conflict-910000?style=flat "conflict") | ![relation](https://img.shields.io/badge/metric-cb00cb?style=flat "metric") | ![relation](https://img.shields.io/badge/OTLP-ffdcb2?style=flat "OTLP") | ![relation](https://img.shields.io/badge/n%2Fa-f2f4fb?style=flat "na") |
| Agent                           | [6](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-agent)           | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Android                         | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/android)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Application                     | ·                                                                                            | [9](https://opentelemetry.io/docs/specs/semconv/attributes-registry/app)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Artifact                        | ·                                                                                            | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/artifact)      | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Autonomous System               | [2](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-as)              | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| ASP.NET Core                    | ·                                                                                            | [23](https://opentelemetry.io/docs/specs/semconv/attributes-registry/aspnetcore)   | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| General AWS                     | ·                                                                                            | [52](https://opentelemetry.io/docs/specs/semconv/attributes-registry/aws)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Azure Client Library            | ·                                                                                            | [9](https://opentelemetry.io/docs/specs/semconv/attributes-registry/azure)         | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Base                            | [4](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-base)            | ·                                                                                  | ·                                                                         | ·                                                                                   | 2                                                                             | ·                                                                               | ·                                                                           | 4                                                                       | ·                                                                      |
| Browser                         | ·                                                                                            | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/browser)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Cassandra                       | ·                                                                                            | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cassandra)     | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| CI/CD Pipeline                  | ·                                                                                            | [16](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cicd)         | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Client                          | [12](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-client)         | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/client)        | 2                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Cloud                           | [11](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-cloud)          | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cloud)         | 4                                                                         | 1                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| CloudEvents                     | ·                                                                                            | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cloudevents)   | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| CloudFoundry                    | ·                                                                                            | [11](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cloudfoundry) | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Code                            | ·                                                                                            | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/code)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Code Signature                  | [11](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-code_signature) | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Container                       | [14](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-container)      | [15](https://opentelemetry.io/docs/specs/semconv/attributes-registry/container)    | 3                                                                         | 3                                                                                   | 1                                                                             | ·                                                                               | 2                                                                           | ·                                                                       | ·                                                                      |
| CPU                             | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cpu)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| CPython attributes              | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/cpython)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Data Stream                     | [3](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-data_stream)     | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | 3                                                                      |
| General Database                | ·                                                                                            | [14](https://opentelemetry.io/docs/specs/semconv/attributes-registry/db)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Deployment                      | ·                                                                                            | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/deployment)    | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Destination                     | [12](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-destination)    | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/destination)   | 2                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Device                          | [10](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-device)         | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/device)        | 4                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Disk                            | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/disk)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| DLL                             | [4](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-dll)             | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| DNS                             | [18](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-dns)            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/dns)           | 1                                                                         | ·                                                                                   | 1                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| .NET                            | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/dotnet)        | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| ECS                             | [1](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-ecs)             | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | 1                                                                      |
| Elasticsearch                   | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/elasticsearch) | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| ELF Header                      | [38](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-elf)            | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Email                           | [19](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-email)          | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| End User                        | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/enduser)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Entity                          | [13](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-entity)         | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Error                           | [5](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-error)           | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/error)         | 1                                                                         | 2                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Event                           | [26](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-event)          | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Exception                       | ·                                                                                            | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/exception)     | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| FaaS                            | [7](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-faas)            | [16](https://opentelemetry.io/docs/specs/semconv/attributes-registry/faas)         | 3                                                                         | 2                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Feature Flag                    | ·                                                                                            | [8](https://opentelemetry.io/docs/specs/semconv/attributes-registry/feature-flag)  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| File                            | [24](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-file)           | [18](https://opentelemetry.io/docs/specs/semconv/attributes-registry/file)         | 11                                                                        | 7                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| GCP Client                      | ·                                                                                            | [14](https://opentelemetry.io/docs/specs/semconv/attributes-registry/gcp)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Gen AI                          | [26](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-gen_ai)         | [32](https://opentelemetry.io/docs/specs/semconv/attributes-registry/gen-ai)       | 25                                                                        | 1                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Geo                             | [11](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-geo)            | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/geo)           | 1                                                                         | 4                                                                                   | 2                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Go                              | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/go)            | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| GraphQL                         | ·                                                                                            | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/graphql)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Group                           | [3](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-group)           | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Hash                            | [8](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-hash)            | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Heroku                          | ·                                                                                            | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/heroku)        | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Host                            | [18](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-host)           | [15](https://opentelemetry.io/docs/specs/semconv/attributes-registry/host)         | 5                                                                         | 1                                                                                   | ·                                                                             | ·                                                                               | 8                                                                           | ·                                                                       | ·                                                                      |
| HTTP                            | [13](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-http)           | [12](https://opentelemetry.io/docs/specs/semconv/attributes-registry/http)         | 1                                                                         | 5                                                                                   | 2                                                                             | 1                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Hardware                        | ·                                                                                            | [27](https://opentelemetry.io/docs/specs/semconv/attributes-registry/hw)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Interface                       | [3](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-interface)       | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| iOS                             | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/ios)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Java Virtual Machine (JVM)      | ·                                                                                            | [8](https://opentelemetry.io/docs/specs/semconv/attributes-registry/jvm)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Kubernetes                      | ·                                                                                            | [60](https://opentelemetry.io/docs/specs/semconv/attributes-registry/k8s)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Linux Memory                    | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/linux)         | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Log                             | [18](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-log)            | [7](https://opentelemetry.io/docs/specs/semconv/attributes-registry/log)           | 1                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | 1                                                                       | ·                                                                      |
| Mach-O Header                   | [16](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-macho)          | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Mainframe LPAR attributes       | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/mainframe)     | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| General Messaging               | ·                                                                                            | [37](https://opentelemetry.io/docs/specs/semconv/attributes-registry/messaging)    | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Network                         | [12](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-network)        | [17](https://opentelemetry.io/docs/specs/semconv/attributes-registry/network)      | 2                                                                         | 1                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Node.js                         | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/nodejs)        | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Observer                        | [13](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-observer)       | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Open Container Initiative (OCI) | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/oci)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| OpenAI                          | ·                                                                                            | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/openai)        | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| OpenTracing                     | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/opentracing)   | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Orchestrator                    | [15](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-orchestrator)   | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Organization                    | [2](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-organization)    | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Operating System                | [7](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-os)              | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/os)            | 2                                                                         | 1                                                                                   | ·                                                                             | 1                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| OTel                            | ·                                                                                            | [9](https://opentelemetry.io/docs/specs/semconv/attributes-registry/otel)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Package                         | [13](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-package)        | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| PE Header                       | [23](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-pe)             | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Peer                            | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/peer)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Process                         | [34](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-process)        | [34](https://opentelemetry.io/docs/specs/semconv/attributes-registry/process)      | 15                                                                        | 2                                                                                   | ·                                                                             | ·                                                                               | 1                                                                           | ·                                                                       | ·                                                                      |
| Profile Frame                   | ·                                                                                            | [1](https://opentelemetry.io/docs/specs/semconv/attributes-registry/profile)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Registry                        | [7](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-registry)        | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Related                         | [4](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-related)         | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | 4                                                                      |
| Risk information                | [6](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-risk)            | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Remote Procedure Call (RPC)     | ·                                                                                            | [17](https://opentelemetry.io/docs/specs/semconv/attributes-registry/rpc)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Rule                            | [10](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-rule)           | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Security Rule                   | ·                                                                                            | [8](https://opentelemetry.io/docs/specs/semconv/attributes-registry/security-rule) | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Server                          | [12](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-server)         | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/server)        | 2                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Service                         | [11](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-service)        | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/service)       | 2                                                                         | 2                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Session                         | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/session)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| SignalR                         | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/signalr)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Source                          | [12](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-source)         | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/source)        | 2                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Deprecated System               | ·                                                                                            | [11](https://opentelemetry.io/docs/specs/semconv/attributes-registry/system)       | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Telemetry                       | ·                                                                                            | [5](https://opentelemetry.io/docs/specs/semconv/attributes-registry/telemetry)     | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Test                            | ·                                                                                            | [4](https://opentelemetry.io/docs/specs/semconv/attributes-registry/test)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Thread                          | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/thread)        | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| Threat                          | [65](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-threat)         | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| TLS                             | [29](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-tls)            | [28](https://opentelemetry.io/docs/specs/semconv/attributes-registry/tls)          | 26                                                                        | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Tracing                         | [3](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-tracing)         | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | 2                                                                       | 1                                                                      |
| URL                             | [14](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-url)            | [13](https://opentelemetry.io/docs/specs/semconv/attributes-registry/url)          | 12                                                                        | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| User                            | [7](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-user)            | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/user)          | 6                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| User agent                      | [4](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-user_agent)      | [6](https://opentelemetry.io/docs/specs/semconv/attributes-registry/user-agent)    | 3                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| V8 JS                           | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/v8js)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| VCS Repository                  | ·                                                                                            | [16](https://opentelemetry.io/docs/specs/semconv/attributes-registry/vcs)          | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| VLAN                            | [2](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-vlan)            | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Volume                          | [16](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-volume)         | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Vulnerability                   | [13](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-vulnerability)  | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| Web Engine                      | ·                                                                                            | [3](https://opentelemetry.io/docs/specs/semconv/attributes-registry/webengine)     | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |
| x509 Certificate                | [24](https://www.elastic.co/elastic/docs-builder/docs/2395/reference/ecs/ecs-x509)           | ·                                                                                  | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       | ·                                                                      |
| z/OS attributes                 | ·                                                                                            | [2](https://opentelemetry.io/docs/specs/semconv/attributes-registry/zos)           | ·                                                                         | ·                                                                                   | ·                                                                             | ·                                                                               | ·                                                                           | ·                                                                       |                                                                        |