Frameworks of Scalability

https://thrift.apache.org

https://zookeeper.apache.org

https://godoc.org/github.com/uber/tchannel-go/hyperbahn
https://github.com/uber-archive/hyperbahn

https://coreos.com/etcd
https://github.com/coreos/etcd

https://github.com/hashicorp/consul/tree/master/api