Re: [netext] Consensus call: Work on specifying prefix delegation for Proxy Mobile IPv6?
Alexandru Petrescu <alexandru.petrescu@gmail.com> Sat, 20 August 2011 13:52 UTC
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Date: Sat, 20 Aug 2011 15:53:31 +0200
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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To: jouni korhonen <jouni.nospam@gmail.com>
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Cc: netext@ietf.org
Subject: Re: [netext] Consensus call: Work on specifying prefix delegation for Proxy Mobile IPv6?
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Le 19/08/2011 23:11, jouni korhonen a écrit : > > Alex, > > FWIW is to make sure prefix delegation works when the MN in a RR > role uses DHCPv6-PD to get its prefixes. MN in a RR role? Is the MN going to use the delegated prefix as an HNP? Alex > It looks straight forward but there are few things to clarify in > general operation and PBU/PBA signaling: what happens after a > handover as the new MAG needs to learn delegated prefixes to setup a > proper forwarding state, and how DHCPv6 (relay in a MAG) and LMA > coordinate delegated prefixes to get the delegation work ok& > establish proper forwarding state... etc. > > There might be other cases and solutions but the above stuff is > actually needed.. > > - Jouni > > > > On Aug 19, 2011, at 4:50 PM, Alexandru Petrescu wrote: > >> Le 18/08/2011 23:52, Jouni a écrit : >>> >>> It is about providing mobility for delegated prefixes. >> >> Thanks Jouni. Is it for an MR? If yes, then there may exist >> other solutions possible as well. Have you considered them? >> >> Alex >> >>> >>> - Jouni (as a co-author) >>> >>> >>> On Aug 19, 2011, at 12:00 AM, Jong-Hyouk Lee wrote: >>> >>>> Hi, Sri. >>>> >>>> Thanks for sharing your opinions. I would like to also hear a >>>> reply from Joy. Joy, could you clearly state your views on the >>>> question from Alex? >>>> >>>> Cheers. >>>> >>>> On Thu, Aug 18, 2011 at 6:56 PM, Sri >>>> Gundavelli<sgundave@cisco.com> wrote: >>>>> #2 Assigning MNP to NEMO Mobile Router = RFC3963. NEMO MR >>>>> per definition is CMIP enabled. >>>> >>>> To ensure the terminology is right: >>>> >>>> Delegated Prefix - Prefixes hosted by the mobile node, or the >>>> network elements behind the mobile node >>>> >>>> Hosted Prefixes - prefixes hosted by the PMIPv6 mobility >>>> elements on the MN-AR access link. These are not delegated >>>> prefixes. An IP host behind the mobile node cannot use this >>>> prefix to generate an address, it wont receive RA's with these >>>> PIO's. >>>> >>>> HNP typically implied prefixes delivered on PMIPv6 signaling >>>> plane. If DHCP PD is used by MN or a node behind for obtaining >>>> prefixes, those are simple IP prefixes. However, if mobility >>>> is provided to those prefixes, in the form of this draft, we >>>> can group them as HNP's, as mobility is provided and those >>>> prefixes are anchored on the LMA, from routing perspective. >>>> >>>> MN/MR Distinction is clear I assume. But, NEMO MR, I may have >>>> implied, as mobile router with CMIP functionality in my prev >>>> mail. But, probably NEMO is a generic term. Any case, the >>>> distinction is understood, with or without CMIP ... >>>> >>>> Sri >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> On 8/18/11 9:14 AM, "Sri Gundavelli"<sgundave@cisco.com> >>>> wrote: >>>> >>>>> Alex: >>>>> >>>>> If I may comment. >>>>> >>>>> >>>>>> Please specify whether this prefix delegation feature is >>>>>> for the goal of >>>>> supporting Network Mobility with PMIP? >>>>> >>>>> #1 Implies, mobility for the delegated prefixes >>>>> >>>>>> Or is it to assign the HNP to the Mobile Host (not >>>>>> necessarily to assign >>>>> MNP for NEMO Mobile Router)? The two goals are distinctive >>>>> IMHO. >>>>> >>>>> Assigning HNP to mobile = mobility + delegated prefix (Same >>>>> as #1) >>>>> >>>>> #2 Assigning MNP to NEMO Mobile Router = RFC3963. NEMO MR >>>>> per definition is CMIP enabled. >>>>> >>>>> >>>>> So, the draft is supporting #1. >>>>> >>>>> >>>>> Sri >>>>> >>>>> >>>>> >>>>> >>>>> On 8/18/11 8:50 AM, "Alexandru >>>>> Petrescu"<alexandru.petrescu@gmail.com> wrote: >>>>> >>>>>> Hello Raj, >>>>>> >>>>>> Le 10/08/2011 23:34, Basavaraj.Patil@nokia.com a écrit : >>>>>>> >>>>>>> At IETF81, Carl Williams presented the I-D: "Prefix >>>>>>> Delegation for Proxy Mobile >>>>>>> IPv6"<draft-zhou-netext-pd-pmip-01.txt> >>>>>>> >>>>>>> General consensus at the Netext WG meeting was that >>>>>>> prefix delegation is a required feature for PMIP6. >>>>>> >>>>>> Please specify whether this prefix delegation feature is >>>>>> for the goal of supporting Network Mobility with PMIP? >>>>>> >>>>>> Or is it to assign the HNP to the Mobile Host (not >>>>>> necessarily to assign MNP for NEMO Mobile Router)? The >>>>>> two goals are distinctive IMHO. >>>>>> >>>>>> This to help formulate a problem for prefix delegation for >>>>>> PMIP. >>>>>> >>>>>> [...] >>>>>>> We are now following up with the questions on the ML. >>>>>>> >>>>>>> Question to WG: >>>>>>> >>>>>>> 1. Should the WG specify prefix-delegation support for >>>>>>> PMIP6? >>>>>>> >>>>>>> Yes [ ] No [ ] >>>>>> >>>>>> Yes, if it is for MNP for Mobile Router. >>>>>> >>>>>>> 2. Can we adopt as WG document the solution proposed in >>>>>>> I-D: draft-zhou-netext-pd-pmip-01.txt as the starting >>>>>>> point of this feature? >>>>>>> >>>>>>> Yes [ ] No [ ] >>>>>> >>>>>> No, unless the problem is clearer. >>>>>> >>>>>> I hope this helps. >>>>>> >>>>>> Alex >>>>>> >>>>>>> >>>>>>> Please respond by August 18th on the ML. >>>>>>> >>>>>>> -Chairs >>>>>>> >>>>>>> Please see the discussion at the IETF81 WG meeting on >>>>>>> this topic at: >>>>>>> http://www.ietf.org/proceedings/81/minutes/netext.txt >>>>>>> >>>>>>> >>>>>>> _______________________________________________ netext >>>>>>> mailing list netext@ietf.org >>>>>>> https://www.ietf.org/mailman/listinfo/netext >>>>>>> >>>>>> >>>>>> _______________________________________________ netext >>>>>> mailing list netext@ietf.org >>>>>> https://www.ietf.org/mailman/listinfo/netext >>>>> >>>>> _______________________________________________ netext >>>>> mailing list netext@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/netext >>>> >>>> _______________________________________________ netext mailing >>>> list netext@ietf.org >>>> https://www.ietf.org/mailman/listinfo/netext >>>> >>>> >>>> >>>> -- IMARA Team, INRIA, France. Jong-Hyouk Lee, living somewhere >>>> between /dev/null and /dev/random. >>>> >>>> #email: hurryon (at) gmail (dot) com || jong-hyouk.lee (at) >>>> inria (dot) fr #webpage: https://sites.google.com/site/hurryon/ >>>> _______________________________________________ netext >>>> mailing list netext@ietf.org >>>> https://www.ietf.org/mailman/listinfo/netext >>> >>> _______________________________________________ netext mailing >>> list netext@ietf.org >>> https://www.ietf.org/mailman/listinfo/netext >>> >> >> _______________________________________________ netext mailing list >> netext@ietf.org https://www.ietf.org/mailman/listinfo/netext > >
- [netext] Consensus call: Work on specifying prefi… Basavaraj.Patil
- Re: [netext] Consensus call: Work on specifying p… Jouni
- Re: [netext] Consensus call: Work on specifying p… Sri Gundavelli
- Re: [netext] Consensus call: Work on specifying p… zhou.xingyue
- Re: [netext] Consensus call: Work on specifying p… zhu.chunhui
- Re: [netext] Consensus call: Work on specifying p… Jiang Dong
- Re: [netext] Consensus call: Work on specifying p… Dirk.von-Hugo
- Re: [netext] Consensus call: Work on specifying p… Jong-Hyouk Lee
- Re: [netext] Consensus call: Work on specifying p… Hidetoshi Yokota
- Re: [netext] Consensus call: Work on specifying p… 马骁
- [netext] 答复: Re: Consensus call: Work on specifyi… zhou.xingyue
- Re: [netext] Consensus call: Work on specifying p… jonne.soininen
- Re: [netext] 答复: Re: Consensus call: Work on spec… Jong-Hyouk Lee
- Re: [netext] Consensus call: Work on specifying p… liu dapeng
- Re: [netext] Consensus call: Work on specifying p… Hui Deng
- Re: [netext] Consensus call: Work on specifying p… Alexandru Petrescu
- Re: [netext] Consensus call: Work on specifying p… Sri Gundavelli
- Re: [netext] Consensus call: Work on specifying p… Sri Gundavelli
- Re: [netext] Consensus call: Work on specifying p… Jong-Hyouk Lee
- Re: [netext] Consensus call: Work on specifying p… Basavaraj.Patil
- Re: [netext] Consensus call: Work on specifying p… Jouni
- Re: [netext] Consensus call: Work on specifying p… Alexandru Petrescu
- Re: [netext] Consensus call: Work on specifying p… Alexandru Petrescu
- Re: [netext] 答复: Re: Consensus call: Work on spec… Daniel Migault
- Re: [netext] Consensus call: Work on specifying p… Alexandru Petrescu
- Re: [netext] Consensus call: Work on specifying p… Alexandru Petrescu
- Re: [netext] Consensus call: Work on specifying p… Alexandru Petrescu
- Re: [netext] Consensus call: Work on specifying p… jouni korhonen
- Re: [netext] Consensus call: Work on specifying p… Alexandru Petrescu