Echo Protocol implemented with Go

rfc862

"A very useful debugging and measurement tool is an echo service. An echo service simply sends back to the originating source any data it receives."

Run TCP server

ADDR=8090 go run . -opt tcp

Run UDP server

ADDR=9090 go run . -opt udp

Run client

TCP

PROTOCOL=tcp ADDR=8090 go run . -opt client

UDP

PROTOCOL=udp ADDR=9090 go run . -opt client

Echoed message

Start typing the message to be echoed back

Run tests

go test -v ./...