FAST跨应用程序通信的良好协议？

I am about to implement a server application that can answer queries fast. The server is implemented in java. I don't want to waste a lot of time on a complicated communication protocol so I search for a good best-practice way of 1) performing a query to my server 2) letting the server answer that query Both the queries and answers will be maps from integers to integer lists.I am about to implement a server application th