hi,
If I understand it correctly, a per user address/port mapping table is
maintained on the LW AFTR, then no session table on it.
Cheers,
Jacni
On 8/9/2011 9:11 AM, Lee, Yiu wrote:
Hi Qiong,
I see your point. So what is the difference between a lightweight AFTR
and 4rd BR?
Cheers,
Yiu
From: Qiong <[email protected] <mailto:[email protected]>>
Date: Tue, 2 Aug 2011 14:11:55 +0800
To: "Yiu L. LEE" <[email protected]
<mailto:[email protected]>>
Cc: Satoru Matsushima <[email protected]
<mailto:[email protected]>>, "Jan Zorz @ go6.si" <[email protected]
<mailto:[email protected]>>, "[email protected] <mailto:[email protected]>"
<[email protected] <mailto:[email protected]>>
Subject: Re: [Softwires] Clarification of the stateles/stateful discussion
In our consideration, lightweight AFTR is not doing port-range
routing. In this lightweight AFTR, it would firstly lookup a mapping
table (recording [IPv6 address, IPv4 address, Port set]) for a
downstream IPv4 packet. Then after IPv4 packet has been encapsulated
into IPv6 packet, it will do IPv6 routing based on different IPv6
addresses. So, lightweight AFTR does not need to distribute port-set
info into FIB and there is no impact on existing routing architecture
between B4 and AFTR.
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