Jaeger

• Distributed tracing framework (implements OpenTracing)
• Track a single request

• It runs at the proxy level. Istio has native support for Jaeger and Zipckin

• Trace: Gather of all hoops performed by a request. It's broken down into spans

• Span: Each individual route

x-request-id

• Must be implemented into the code for the distributed tracing to work properly

• x is HTML standards was used to point out a experimental header. Extra headers

• Store the x-request-id from request received in a variable

• Send back the x-request-id in the header to outgoing requests