Subject: [Mipshop] comments for rfc4260

From: Lijun Zhang <[email-masked]>
Date: Thu, 15 Mar 2007 11:51:12 -0400

Hi,

Here I give some comments for rfc4260 as follows:

1)
As we distinguish the predictive and reactive FMIPv6 fast handover procedure,
maybe it is preferable to seperate the message exchanging process for the two
mode:
5. FMIPv6 Message exchanges
A predictive FMIPv6 handover consists of a) b) c) d) e) f) g)
A reactive FMIPv6 handover consists of a) b)

h) MN sends FNA containing FBU to NAR after attaching to it.
i) NAR forwards FBU to PAR
j) PAR replies a FBack to MN on the new link.

As a result, section 7.2 scenario ab123456cdefg can be replaced with
ab123456hij, the same for section 7.3 scenario-->123456abhij

2)
section 7.1 sounds like missing a little bit logic. Because choosing AP should
be done bedore FBU, otherwise the FBU has a risque of becoming invalid. So what
i proposed is that after MN performs Scan, it chooses AP to get NAP_ID, then it
sends out RtSolPr to PAR asking for NAR's information. PAR then replies with
PrRtAdv with NAR info-->FBU-->HI-->Hack-->join-->authentication-->till the end.

That's it. Thanks for your patience.

Best regards,

Li Jun ZHANG
Ph.D candidate
Mobile Computing and Networking Research Laboratory
Ecole Polytechnique De Montreal

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