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Title : IPv6 Socket API for Source Address Selection
Author(s) : E. Nordmark, et al.
Filename : draft-chakrabarti-ipv6-addrselect-api-07.txt
Pages : 35
Date : 2007-6-18
The IPv6 default address selection document [RFC3484] describes the
rules for selecting source and destination IPv6 addresses, and
indicates that applications should be able to reverse the sense of
some of the address selection rules through some unspecified API.
However, no such socket API exists in the basic [RFC3493] or advanced
[RFC3542] IPv6 socket API documents. This document fills that gap
partially by specifying new socket-level options for source address
selection and flags for the getaddrinfo() API to specify address
selection based on the the source address preference in accordance
with the socket-level options that modify the default source address
selection algorithm. The socket API described in this document will
be particularly useful for IPv6 applications that want to choose
between temporary and public addresses, and for Mobile IPv6 aware
applications that want to use the care-of address for communication.
It also specifies socket options and flags for selecting CGA or non-
CGA source addresses.
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