A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Lightweight 4over6 in access network
Author(s) : Yong Cui
Jianping Wu
Peng Wu
Qiong Sun
Chongfeng Xie
Cathy Zhou
Yiu L. Lee
Filename : draft-cui-softwire-b4-translated-ds-lite-02.txt
Pages : 15
Date : 2011-09-30
The dual-stack lite mechanism provide an IPv4 access method over IPv6
ISP network for end users. Dual-Stack Lite enables an IPv6 provider
to share IPv4 addresses among customers by combining IPv4-in-IPv6
tunnel and Carrier Grade NAT. However, in dual-stack lite, CGN has
to maintain active NAT sessions, which could become the performance
bottom-neck due to high dynamic s of NAT entries, memory cost and log
issue. This document propose the lightweight 4over6 mechanism which
moves the translation function from tunnel concentrator (AFTR) to
initiators (B4s), and hence reduce the mapping scale on the
concentrator to per-customer level. For NAT44 translation usage, the
mechanism will allocate port restricted IPv4 addresses to initiators
in a flexible way independent of IPv6 network in the middle.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-cui-softwire-b4-translated-ds-lite-02.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-cui-softwire-b4-translated-ds-lite-02.txt
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