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RFC 5014
Title: IPv6 Socket API for Source
Address Selection
Author: E. Nordmark, S. Chakrabarti,
J. Laganier
Status: Informational
Date: September 2007
Mailbox: Erik.Nordmark@Sun.com,
samitac2@gmail.com,
julien.IETF@laposte.net
Pages: 24
Characters: 53601
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-chakrabarti-ipv6-addrselect-api-07.txt
URL: http://www.rfc-editor.org/rfc/rfc5014.txt
The IPv6 default address selection document (RFC 3484) 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 (RFC 3493) or
advanced (RFC 3542) 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 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 Cryptographically Generated Address (CGA) or non-CGA source
addresses. This memo provides information for the Internet community.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution
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