this.localTimeZone = TimeZone.getDefault();
        this.random = new SecureRandom();

        if ( this.machineId == null ) {
            byte[] mid = new byte[32];
            this.random.nextBytes(mid);
            this.machineId = mid;
        }

        if ( this.nativeOs == null ) {
            this.nativeOs = System.getProperty("os.name");
        }

     */
    boolean isAllowCompound ( String command );


    /**
     * Machine identifier
     * 
     * ClientGuid, ... are derived from this value.
     * 
     * Normally this should be randomly assigned for each client instance/configuration.
     * 
     * @return machine identifier (32 byte)
     */
    byte[] getMachineId ();


    /**
     * 
     *