[netext] 答复: RE : Re: I-D Action: draft-ietf-netext-pd-pmip-03.txt

Hi,

Please see inline below.

BOC Michael <michael.boc@cea.fr> 写于 2012-07-20 14:12:59:

> Hey, 
> 
> Ok, now I understand that this draft is about using DHCPv6-PD 
> signalling messages to trigger a specific behavior of PMIPv6 and not
> at all about using DHCPv6 and its PD extension to provide MNPs to 
> PMIPv6 and by extension to the MR. 
> 
> Two (more) efficient solutions for this approach:
> 1) You don't need DHCPv6 entities (delegating router, DHCPv6 relay 
> and so on). You just need to intercept DHCPv6-PD related messages 
> and to enhances LMA to deliver prefixes shorter than 64 bits.
[Joy]Yes, you surely can do this. However, this is just a kind of 
implementation way while we work on a standard way.

> 2) You deliver HNPs and MNPs (with prefixes shorter than 64 bits) 
> for every nodes. This is a couple of lines to add in RFC5213.
[Joy]In our scenario, the MNP(s) are assigned only when the MR initiate 
the DHCPv6-PD procedure.

> 
> Our approach can then be seen as one step further in integrating a 
> real DHCPv6 architecture in parallel of PMIPv6 to deliver MNPs to 
> mobile routers.
> 
> Michael
> 
> De : zhou.xingyue@zte.com.cn [zhou.xingyue@zte.com.cn]
> Date d'envoi : vendredi 20 juillet 2012 04:21
> À : BOC Michael
> Cc : i-d-announce@ietf.org; internet-drafts@ietf.org; netext@ietf.
> org; netext-bounces@ietf.org
> Objet : 答复: Re: [netext] I-D Action: draft-ietf-netext-pd-pmip-03.txt

> 
> Hi, 
> 
> The purpose of setting R flag is to indicate the network that 
> network mobility service is allowed to the mobile node as specified 
> in section 3.2. In this draft, it just focus on the way to assign 
> the MNP to the MR based on DHCPv6-PD triggering mechanism. 
> 
> Regarding the possible hints in IA_PD(s), I dont get your point very
> much. Could you explain more? 
> 
> Best Regards, 
> Joy 
> 
> netext-bounces@ietf.org 写于 2012-07-16 17:12:56:
> 
> > Hello all,
> > 
> > Concerning this draft, I would like to know why you need to set the 
> > R flag in PBU 
> > (because you don't explain it in the draft) and if your approach is 
> > to not take 
> > into account possible hints in IA_PD(s). If this is the case, we
> > just have to provide 
> > MNP(s) at MR attachment with the HNP(s) and we move on another 
subject. 
> > 
> > Regards,
> > 
> > 
> > Michael
> > 
> > 
> > > -----Message d'origine-----
> > > De : netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] De la
> > > part de internet-drafts@ietf.org
> > > Envoyé : lundi 16 juillet 2012 03:29
> > > À : i-d-announce@ietf.org
> > > Cc : netext@ietf.org
> > > Objet : [netext] I-D Action: draft-ietf-netext-pd-pmip-03.txt
> > > 
> > > 
> > > A New Internet-Draft is available from the on-line Internet-Drafts
> > > directories.
> > >  This draft is a work item of the Network-Based Mobility Extensions
> > > Working Group of the IETF.
> > > 
> > >    Title           : Prefix Delegation for Proxy Mobile IPv6
> > >    Author(s)       : Xingyue Zhou
> > >                           Jouni Korhonen
> > >                           Carl Williams
> > >                           Sri Gundavelli
> > >                           Carlos J. Bernardos
> > >    Filename        : draft-ietf-netext-pd-pmip-03.txt
> > >    Pages           : 16
> > >    Date            : 2012-07-15
> > > 
> > > Abstract:
> > >    Proxy Mobile IPv6 enables IP mobility for a host without 
requiring
> > >    its participation in any mobility signaling, being the network
> > >    responsible for managing IP mobility on behalf of the host.
> > > However,
> > >    Proxy Mobile IPv6 does not support assigning a prefix to a router
> > > and
> > >    managing its IP mobility.  This document specifies an extension 
to
> > >    Proxy Mobile IPv6 protocol for supporting network mobility using
> > >    DHCPv6-based Prefix Delegation.
> > > 
> > > 
> > > The IETF datatracker status page for this draft is:
> > > https://datatracker.ietf.org/doc/draft-ietf-netext-pd-pmip
> > > 
> > > There's also a htmlized version available at:
> > > http://tools.ietf.org/html/draft-ietf-netext-pd-pmip-03
> > > 
> > > A diff from previous version is available at:
> > > http://tools.ietf.org/rfcdiff?url2=draft-ietf-netext-pd-pmip-03
> > > 
> > > 
> > > Internet-Drafts are also available by anonymous FTP at:
> > > ftp://ftp.ietf.org/internet-drafts/
> > > 
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