Socket TCP Control

setTCPNoDelay(boolean on) : set to true means all packets are sent immediately, without waiting for an ACK on last packet.
setSoLinger(boolean on, int seconds) : what to do with datagrams that have not been sent when socket is closed. wait seconds if on to send.
setSoTimeout(int milliseconds) : do not block forever, instead block for milliseconds.
setReceiveBufferSize(int size) : sets the size of the receiving buffer.
setSendBufferSize(int size) : sets the size of the sending buffer.
setKeepAlive(boolean on) : if on then send occasional packets on idle connections.