running=true;
is_it_running=true;
           void start() {               if(senderThread == null || !senderThread.isAlive()) {                   senderThread=new Thread(thread_group, this, "ConnectionTable.Connection.Sender [" + getSockAddress() + "]");                   senderThread.setDaemon(true);                   senderThread.start();                   running=true;                   if(log.isTraceEnabled())                       log.trace("ConnectionTable.Connection.Sender thread started");               }           }