are using OpenTelemetry, OpenCensus or Stackdriver, you will also need to forward the following headers:</p><ul><li><code>traceparent</code></li><li><code>tracestate</code></li></ul><p>Header propagation may be accomplished through client libraries, such as <a href=https://zipkin.io/pages/tracers_instrumentation.html>Zipkin</a> or <a href=https://github.com/jaegertracing/jaeger-client-java/tree/master/jaeger-core#b3-propagation>Jaeger</a>. It may also be accomplished manually, as documented in the <a href=/