this.channelLookupService = channelLookupService;
this.connectionInfo = connectionInfo;
this.globalBufferPool = new GlobalBufferPool(numNetworkBuffers, networkBufferSize);
this.nettyConnectionManager = new NettyConnectionManager(
this, connectionInfo.address(), connectionInfo.dataPort(),
networkBufferSize, numInThreads, numOutThreads, lowWatermark, highWaterMark);
// management data structures
this.channels = new ConcurrentHashMap<ChannelID, Channel>();