channel.getTransport().close();
            }
        } catch (Exception e) {
            log.debug("Error disconnecting removed channel", e);
        }
    }

    /**
     * Establish a replacement channel
     */
    public void establishReplacementChannel() {
        if (!multiChannelEnabled)
            return;

        try {
            int currentChannels = channels.size();

            }

            // Reconnect
            channel.setState(ChannelState.CONNECTING);
            // Connection would be ensured through proper transport interface

            // Re-establish channel binding
            manager.performChannelBinding(channel);

            // Update channel with new transport
            channel.setTransport(newTransport);

        this.maxFragmentedSize = RdmaCapabilities.DEFAULT_MAX_FRAGMENTED_SIZE;
        this.maxReadWriteSize = RdmaCapabilities.DEFAULT_MAX_READ_WRITE_SIZE;
    }
    
    /**
     * Establish RDMA connection
     */
    public abstract void connect() throws IOException;
    
    /**
     * Send data using RDMA
     */

        
        for (int i = currentChannels; i < targetChannels; i++) {
            try {
                establishChannel(i);
            } catch (Exception e) {
                log.warn("Failed to establish channel {}", i, e);
            }
        }
    }
    
    private void establishChannel(int index) throws IOException {
        // Select interfaces for this channel

        this.endpoint = new Object();
    }

    @Override
    public void connect() throws IOException {
        try {
            // In real implementation, this would establish the RDMA connection:
            // endpoint.connect(remoteAddress, 1000);  // 1 second timeout

            state = RdmaConnectionState.CONNECTED;
            log.debug("DiSNI RDMA connection established to {}", remoteAddress);

 *
 * This class provides Single Sign-On (SSO) authentication using the SPNEGO protocol,
 * which is commonly used for Kerberos-based authentication in Windows environments.
 * It handles the negotiation between client and server to establish a secure
 * authentication context without requiring users to explicitly enter credentials.
 *
 * The authenticator supports various configuration options including delegation,

    /**
     * Whether to use SMB3 multi-channel support for improved performance and redundancy
     */
    protected boolean useMultiChannel;
    /**
     * Maximum number of SMB3 channels to establish per session
     */
    protected int maxChannels;
    /**
     * Channel binding policy: -1=not set, 0=disabled, 1=preferred, 2=required
     */

     * expires an encapsulating TransportException will be thrown from connect
     * and the transport will be in error.
     */

    /**
     * Establish the transport connection
     *
     * @throws Exception if the connection fails
     */
    protected abstract void doConnect() throws Exception;

    /*

                throw new NbtException(NbtException.ERR_SSN_SRVC, 0);
            }
        } while ((calledName.name = address.nextCalledName()) != null);

        throw new IOException("Failed to establish session with " + address);
    }

    private void negotiate(int port, final ServerMessageBlock resp) throws IOException {
        /* We cannot use Transport.sendrecv() yet because