http://www.oschina.net/translate/service-discovery-in-the-cloud?lang=eng&page=2
http://blog.csdn.net/shlazww/article/details/38736511
https://technologyconversations.com/2015/09/08/service-discovery-zookeeper-vs-etcd-vs-consul/
http://blog.csdn.net/shukebai/article/details/53464887
https://portworx.com/products/introduction/
通过Consul-Template实现动态配置服务
用 consul + consul-template + registrator + nginx 打造真正可动态扩展的服务架构
https://mp.weixin.qq.com/s?src=3×tamp=1503654544&ver=1&signature=UcJdgd4vgt*3ARk9KeaaZarq2t7rkeI8Jvl07aDoRPrc6wPYQonQUtm1RZuMwv1be22znfE20vKHKPfZ89mHdaYw5S9IJUD3lMNo3fJ1daZiljtIixL6Z-wi1cbwtUD72O0Co34SNAYN58WZ750Kxw==