Zipkin the idea is from the googlge paper：Dapper
https://yq.aliyun.com/articles/60165
https://www.e4developer.com/2018/02/09/tracing-messages-in-choreography-with-sleuth-and-zipkin/
https://www.oschina.net/p/zipkin
Example：
https://howtodoinjava.com/spring/spring-cloud/spring-cloud-zipkin-sleuth-tutorial/
Zipkin In Kubunetes：
https://istio.io/docs/tasks/telemetry/distributed-tracing.html