* download [premake4](http://industriousone.com/premake/download)
* premake4 vs2008

* src
    + socket, BSD socket
    + select, I/O multiplexing with select()
    + async_select, I/O multiplexing with WSAAsyncSelect()
    + async_event, I/O multiplexing with WSAEventSelect()
    + complete_routine, I/O multiplexing with alertable I/O
    + overlap, I/O multiplexing with overlapped I/O
    + iocp, I/O multiplexing with Completion Port

* tests
    + test_tcp_client.py, max 512 client connections to test server performance
    + test_client, client connections multiplexed by I/O Completion Port