protected final InetSocketAddress localAddress;
    protected final AtomicInteger sendCredits;
    protected final AtomicInteger receiveCredits;
    protected final BlockingQueue<RdmaWorkRequest> pendingRequests;
    
    // Connection state
    protected volatile RdmaConnectionState state;
    protected RdmaCredits credits;
    protected int maxFragmentedSize;
    protected int maxReadWriteSize;