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A.1 SESSION Class Connected: An Internet Encyclopedia
A.1 SESSION Class

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A.1 SESSION Class

A.1 SESSION Class

SESSION Class = 1.

  • IPv4/UDP SESSION object: Class = 1, C-Type = 1

               +-------------+-------------+-------------+-------------+
               |             IPv4 DestAddress (4 bytes)                |
               +-------------+-------------+-------------+-------------+
               | Protocol Id |    Flags    |          DstPort          |
               +-------------+-------------+-------------+-------------+
    

  • IPv6/UDP SESSION object: Class = 1, C-Type = 2

               +-------------+-------------+-------------+-------------+
               |                                                       |
               +                                                       +
               |                                                       |
               +               IPv6 DestAddress (16 bytes)             +
               |                                                       |
               +                                                       +
               |                                                       |
               +-------------+-------------+-------------+-------------+
               | Protocol Id |     Flags   |          DstPort          |
               +-------------+-------------+-------------+-------------+
    

    DestAddress

    The IP unicast or multicast destination address of the session. This field must be non-zero.

    Protocol Id

    The IP Protocol Identifier for the data flow. This field must be non-zero.

    Flags

    0x01 = E_Police flag

    The E_Police flag is used in Path messages to determine the effective "edge" of the network, to control traffic policing. If the sender host is not itself capable of traffic policing, it will set this bit on in Path messages it sends. The first node whose RSVP is capable of traffic policing will do so (if appropriate to the service) and turn the flag off.

    DstPort

    The UDP/TCP destination port for the session. Zero may be used to indicate `none'.

    Other SESSION C-Types could be defined in the future to support other demultiplexing conventions in the transport- layer or application layer.


Next: A.2 RSVP_HOP Class

Connected: An Internet Encyclopedia
A.1 SESSION Class

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