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How to link an instrumented mobile/web app to a service instrumented with OTel ?


What are the steps to ensure that a service instrumented using Opentelemetry (not possible to install OneAgent for this service) is linked to all other services and frontends in the ServiceFlow ?

We enabled "Send W3C Trace Context HTTP headers" in One Agent configuration.

Does that mean that if the web page served by a OneAgent instrumented server calls directly the OTel instrumented service there will be a trace id generated in browser ?

What about a mobile app instrumented by the Dynatrace SDK ?


Dynatrace Mentor
Dynatrace Mentor

Correlation between web request and the frontend services use the following headers:

Regarding traces ingested through OpenTelemetry, it wouldn't be possible unless you have a way to propagate that data from the frontend calls to your traces.

Eric Yu | LATAM ACE Consultant

Thanks, I see that the W3C headers traceparent and tracestate are sent from the instrumented web frontends so the OTEL instrumented backend services should be correctly linked in the trace.
We'll see.


Take into consideration that the OTEL RUM is still in SIG and talking about semantic conventions (AFIK)

Until OTEL RUM is not standardized I don't see Dynatrace adding support for WEB/Mobile App to and OTEL backend directly, since there is no OTEL RUM Specification to begin with.

Remember that the correlation today is based on cookies mostly. Not in traceid/spanid. 

Services Solution Engineer @PowerCloud - Observability/CloudOps Certified / Former SE @Dynatrace.

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