spy() {
		ms = new MultiSender();
		ms.setGroup(LinkConstants.MAXGROUP);
		ms.setPort(LinkConstants.MAXPORT);
		ms.setDebugString(LinkConstants.OBJECTNAME);
		ms.setTimeToLive(LinkConstants.TIMETOLIVE);

		mr = new MultiReceiver();
		mr.setPort(LinkConstants.MAXPORT);
		mr.join(LinkConstants.MAXGROUP);
		mr.setDebugString(LinkConstants.OBJECTNAME);
		mr.setCallback(this, "processInput");
	}