The following table shows the relationship between the transport
    protocols and the network services.

    Table 1-1 Transport Protocols and Network Services
    _______________________________________________________________________
               Class 4   Class 4   Class 2   Class 0   CLTS     RFC   RFC
               (COTS)    (COTS)    (COTS)    (COTS)    over     1006  1859
    Port       over      over      over      over      CLNS
    Att-       CLNS      CONS      CONS      CONS     (Tru64
    ributes                                            UNIX)
    _______________________________________________________________________
    Acknow-     *         *
    ledgement
    delay time
    Checksums   *         *
    Client      *         *          *          *               *      *
    CONS                  *          *          *
    template
    CR timeout                       *          *               *      *
    Direction   *         *          *          *               *      *
    ER timeout                       *          *               *      *
    Expedited   *         *          *                                 *
    data
    Extended    *         *          *
    format
    Inactivity  *         *
    time
    Initial     *         *
    retransmit
    time
    Keepalive   *         *
    time
    Local DTE
    address               *          *          *
    Local				                        *     *
    RFC1006 IP
    address
    Local nsap  *         *          *          *         *
    Local       *         *          *          *                *     *
    Reference
    Local       *         *          *          *         *      *     *
    transport
    selector
    Maximum nsdu          *          *          *                *     *
    size
    Name        *         *          *          *         *      *     *
    Negotiable  *         *          *          *
    classes (Tru64 UNIX)
    Negotiated  *         *          *          *                *     *
    tpdu size
    Network port*                               *                *     *
    Network     *         *          *          *         *      *     *
    service
    Protocol    *         *          *          *                *     *
    class
    Remote DTE            *          *          *
    address
    Remote      *         *          *                                 *
    identifier
    Remote nsap *         *          *          *
    Remote
    RFC1006                                                      *     *
    port
    number
    Remote					                *     *
    RFC1006
    IP address
    Remote      *         *          *          *                *     *
    reference
    Remote      *         *          *          *                *     *
    transport
    selector
    Request ac- *         *
    knowledgment
    Retransmit  *         *
    threshold
    Roundtrip   *         *
    delay
    estimate
    Type        *         *          *          *         *      *     *
    UID         *         *          *          *         *      *     *
    Use clns    *
    error
    reports

    Template Attributes

    Acknow-     *         *
    ledgment
    delay time
    Checksums   *         *
    Classes     *         *          *          *
    CONS                  *          *          *
    template
    CR timeout                       *          *                *     *
    ER timeout                       *          *                *     *
    Expedited   *         *          *
    data
    Inbound     *         *          *          *         *      *     *
    Initial     *         *
    retransmit
    time
    Keepalive   *         *
    time
    Local nsap  *         *          *          *         *
    Maximum nsdu          *          *          *
    size
    Name        *         *          *          *         *
    Network     *         *          *          *         *
    service
    Retransmit  *         *
    threshold
    RFC1006				                      *     *
    port number
    Security    *         *          *          *
    Use clns    *
    error
    reports