*             if the host cannot be resolved to find out.
     */
    boolean isActive ( CIFSContext tc ) throws UnknownHostException;


    /**
     * Determines if this address is set to be permanent.
     * 
     * @param tc
     *            context to use
     * @return whether this address is permanent
     *
     * @throws UnknownHostException
     *             if the host cannot be resolved to find out.

    public NetbiosAddress getNbtByName ( String host ) throws UnknownHostException {
        return this.nscl.getNbtByName(host);
    }


    @Override
    public NetbiosAddress getNbtByName ( String host, int type, String scope ) throws UnknownHostException {
        return this.nscl.getNbtByName(host, type, scope);
    }


    @Override

     *      byte[], boolean)
     */
    @Override
    public SSPContext createContext ( CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning ) throws SmbException {
        if ( host.indexOf('.') < 0 && host.toUpperCase(Locale.ROOT).equals(host) ) {
            // this is not too good, probably should better pass the address and check that it is a netbios one.

    }
    protected void parseURL( URL u, String spec, int start, int limit ) {
        String host = u.getHost();
        String path, ref;
        int port;

        if( spec.equals( "smb1://" )) {
            spec = "smb1:////";
            limit += 2;
        } else if( spec.startsWith( "smb1://" ) == false &&
                    host != null && host.length() == 0 ) {
            spec = "//" + spec;
            limit += 2;
        }

     * throw on a regular basis here.
     * 
     * @param host
     * @param tc
     * @return resolved name, null if not found
     */
    public synchronized NbtAddress getByName ( String host, CIFSContext tc ) {
        return getByName(new Name(tc.getConfig(), host, 0x20, null), tc);
    }


    synchronized NbtAddress getByName ( Name name, CIFSContext tc ) {

        int domainLength = domain.length;
        byte[] server = new byte[0];
        String host = tc.getNameServiceClient().getLocalHost().getHostName();
        if ( host != null ) {
            try {
                server = host.getBytes(UNI_ENCODING);
            }
            catch ( IOException ex ) {
                log.debug("Failed to get host bytes", ex);
            }
        }
        int serverLength = server.length;

     */
    boolean isSameTree ( SmbTreeHandle th );


    /**
     * @return whether this tree handle uses SMB2+
     */
    boolean isSMB2 ();


    /**
     * @return the remote host name
     */
    String getRemoteHostName ();


    /**
     * @return the tree type
     */
    int getTreeType ();

            case 8: // Kerberos Time
                // DERGeneralizedTime derTime = KerberosUtil.readAs(tagged,
                // DERGeneralizedTime.class);
                break;
            case 9: // Host Addresses
                ASN1Sequence adressesSequence = ASN1Util.as(ASN1Sequence.class, tagged);
                Enumeration<?> adresses = adressesSequence.getObjects();
                while ( adresses.hasMoreElements() ) {

     */
    NetbiosAddress[] getNbtAllByName ( String host, int type, String scope, InetAddress svr ) throws UnknownHostException;


    /**
     * Determines the address of a host given it's host name. NetBIOS
     * names also have a <code>type</code>. Types(aka Hex Codes)
     * are used to distinguish the various services on a host. <a
     * href="../../../nbtcodes.html">Here</a> is

 */

    public static NbtAddress getByName( String host )
                                        throws UnknownHostException {
        return getByName( host, 0x00, null );
    }

/** 
 * Determines the address of a host given it's host name. NetBIOS
 * names also have a <code>type</code>. Types(aka Hex Codes)
 * are used to distiquish the various services on a host. <a
 * href="../../../nbtcodes.html">Here</a> is