public ChannelInstance(VirtualChannel channel, int sequence) throws BridgeException {
this.channel = channel;
// this.sequence = sequence;
worker = new Thread(this, "CH:" + channel.getName() + "," + sequence);
stopping = new BooleanHolder(false);
erCtl = new ErrorRateControl();
buggySender = new ErrorGenerator("BuggySender");
if (channel.getName().equals("pfw") && sequence == 0) {
buggySender.setErrorPattern(ErrorGenerator.EP_REVOLVER);
buggySender.setInterval(10);