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DevOps & Automation · Advanced

W3C Trace Context

A W3C standard defining the traceparent and tracestate HTTP headers used to propagate trace identifiers between services.

Definition

The traceparent header carries version, trace ID, parent span ID, and trace flags so any compliant tracing system can continue a trace. It is the default propagation format in OpenTelemetry.

Example

traceparent: 00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01

Exam tip

Know that context propagation via headers is what links spans across process boundaries.

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