Hi Sri: Thank you for your response. Yes, I agree with you, coloring of prefixes can be used this way, of course. I am just considering address selection from DMM's point of view and a MIP client can distinguish a home prefix or a local prefix already. Another question, supporting prefixes coloring is a mandatory requirement for all IPv6 client?
BR Luowen Sri Gundavelli <sgund...@cisco.com> 2012/03/22 07:07 收件人 <luo....@zte.com.cn>, Marco Liebsch <marco.lieb...@neclab.eu>, "c...@it.uc3m.es" <c...@it.uc3m.es> 抄送 <dmm-boun...@ietf.org>, "dmm@ietf.org" <dmm@ietf.org> 主题 Re: [DMM] 答复: Re: New DMM draft: draft-bernardos-dmm-distributed-anchoring-00.txt Hi Luowen, Address selection is not the property of a MIP client. An host can obtain IP addresses from different prefixes, each prefix has certain properties, exactly as what IPv6 already has, link-local, global .. Now there additional properties, local prefix/home network/CoA/HoA which are mobility specific. So, this has nothing to do with PMIP or CMIP client, but rather about coloring of prefixes and about evolving source address selection rules. Regards Sri On 3/19/12 12:44 AM, "luo....@zte.com.cn" <luo....@zte.com.cn> wrote: Hi Carlos and Marco, As Marco said *********************************************************************** So you think that the UE should receive multiple IP addresses and treat them differently according to the associated topological anchor point? Hmm, yes, possible. What about real time streaming and other IP data sessions, which could have a longer lifetime, they should be anchored than at a central point as well, right? If the MN had such intelligence and information, it could treat the HNPs differently, true. ******************************************************************************* I also think it is possible to let UE treat those multiple IP addresses differently. Some modification may be needed to let mobile node to have such intelligence. But the question is, one of principles of PMIP is not to touch mobile node. And you know, MIP already supports distinguishing between HoA and CoA in mobile node. Since we will touch mobile node anyway, why don't we use MIP directly? BR Luowen
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