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4.1.3.5 UDP Multihoming Connected: An Internet Encyclopedia
4.1.3.5 UDP Multihoming

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4.1.3.5 UDP Multihoming

4.1.3.5 UDP Multihoming

When a UDP datagram is received, its specific-destination address MUST be passed up to the application layer.

An application program MUST be able to specify the IP source address to be used for sending a UDP datagram or to leave it unspecified (in which case the networking software will choose an appropriate source address). There SHOULD be a way to communicate the chosen source address up to the application layer (e.g, so that the application can later receive a reply datagram only from the corresponding interface).

DISCUSSION:

A request/response application that uses UDP should use a source address for the response that is the same as the specific destination address of the request. See the "General Issues" section of [INTRO:1].


Next: 4.1.3.6 Invalid Addresses

Connected: An Internet Encyclopedia
4.1.3.5 UDP Multihoming

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