public void Connect(UInt32 conv, string host, UInt16 port)
{
var addr = IPAddress.Parse(host);
remoteEnd = new IPEndPoint(addr, port);
socket = new Socket(addr.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
socket.Connect(remoteEnd);
kcp = new KCP(conv, this);
kcp.SetOutput(OutputKCP);
// fast mode
kcp.NoDelay(1, 10, 2, 1);
kcp.WndSize(128, 128);
}