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3.1.9 Confirmation Messages Connected: An Internet Encyclopedia
3.1.9 Confirmation Messages

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3.1.9 Confirmation Messages

3.1.9 Confirmation Messages

ResvConf messages are sent to (probabilistically) acknowledge reservation requests. A ResvConf message is sent as the result of the appearance of a RESV_CONFIRM object in a Resv message.

A ResvConf message is sent to the unicast address of a receiver host; the address is obtained from the RESV_CONFIRM object. However, a ResvConf message is forwarded to the receiver hop- by-hop, to accommodate the hop-by-hop integrity check mechanism.

           <ResvConf message> ::= <Common Header> [ <INTEGRITY> ]

                                      <SESSION> <ERROR_SPEC>


                                      <STYLE> <flow descriptor list>

           <flow descriptor list> ::= (see earlier definition)

The object order requirements are the same as those given earlier for a Resv message, but the above order is recommended.

The RESV_CONFIRM object is a copy of that object in the Resv message that triggered the confirmation. The ERROR_SPEC is used only to carry the IP address of the originating node, in the Error Node Address; the Error Code and Value are zero to indicate a confirmation. The flow descriptor list specifies the particular reservations that are being confirmed; it may be a subset of flow descriptor list of the Resv that requested the confirmation.

Next: 3.2 Port Usage

Connected: An Internet Encyclopedia
3.1.9 Confirmation Messages


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