https://medium.com/trabe/tracing-express-services-with-zipkin-js-6e5c5680467e
#Download zipkin jar server https://zipkin.io/pages/quickstart.html#java
Execute with: java -jar zipkin.jar
Probar: http://localhost:9411/
https://zipkin.io/pages/tracers_instrumentation.html
https://github.com/openzipkin/zipkin-js
https://github.com/openzipkin/zipkin-js/tree/master/packages/zipkin-transport-http
https://github.com/openzipkin/zipkin-js/tree/master/packages/zipkin-instrumentation-express
https://www.npmjs.com/package/superagent https://github.com/visionmedia/superagent https://visionmedia.github.io/superagent/
https://github.com/openzipkin/zipkin-js/tree/master/packages/zipkin-instrumentation-superagent
$ Test\server-b>npm install $ Test\server-a>npm install
$ Test\server-b>node src\index.js $ Test\server-a>node src\index.js