A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : On demand IPv4 address provisioning in Dual-Stack PPP deployment scenarios
Author(s) : Karsten Fleischhauer
Olaf Bonness
Filename : draft-fleischhauer-ipv4-addr-saving-03.txt
Pages : 21
Date : 2012-08-30
Abstract:
Today the Dual-Stack approach is the most straightforward and the
most common way for introducing IPv6 into existing systems and
networks. However a typical drawback of implementing Dual-Stack is
that each node will still require at least one IPv4 address. Hence,
solely deploying Dual-Stack does not provide a sufficient solution to
the IPv4 address exhaustion problem. Assuming a situation where most
of the IP communication (e.g. always-on, VoIP etc.) can be provided
via IPv6, the usage of public IPv4 addresses can significantly be
reduced and the unused public IPv4 addresses can under certain
circumstances be returned to the public IPv4 address pool of the
service provider. New Dual-Stack enabled services can be introduced
without increasing the public IPv4 address demand, whereas IPv6 will
be the preferred network layer protocol. This document describes
such a solution in a Dual-Stack PPP session network scenario and
explains the protocol mechanisms which are used.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-fleischhauer-ipv4-addr-saving
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-fleischhauer-ipv4-addr-saving-03
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-fleischhauer-ipv4-addr-saving-03
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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