Hi Alex,

Please see inline.

Pierrick

> -----Message d'origine-----
> De : [email protected] [mailto:[email protected]] De la part de
> Alexandru Petrescu
> Envoyé : mercredi 9 janvier 2013 11:26
> À : [email protected]
> Objet : Re: [DMM] brief comparison (was: Call for WG Adoption of a
> "current practices and gap analysis" document)
> 
> Hello DMMers,
> 
> I take advantage of this request to expose briefly a comparison between
> the two drafts draft-zuniga-dmm-gap-analysis-03 and draft-liu-dmm-best-
> practices-gap-analysis-01.
> 
> The first analyses gaps between DMM reqs and MIP6, MIP6-RO, HMIP,
> HAswitch, flow mobility, src adr selection.  Each of these is an actual
> mechanism.
> 
> The second: although it also lists such mechanisms, it guides the gap
> analysis by a few mobility management functions, which are abstracted
> out of the existing protocols.  These functions are anchoring, mobility
> routing, internetwork location management, location update.
> 
> I do have a preference for this latter approach.
> 
> However, I also think a refinement of its abstraction is possible.  For
> example, there are more functions which MIP6 does and which are not
> reflected in the abstraction, e.g. DHAAD.
> 

You're right. Actually your comment is related to the "DMM and the framework 
discussion" has been initiated by Jouni:
http://www.ietf.org/mail-archive/web/dmm/current/msg00542.html 
clearly, the functional framework is to be refined but I think we can agree on 
the relevance of the approach for the analysis. Right?

> Also, the route optimization mechanism seems better analyzed in the
> former document.
> 
> Finally, none of the documents mentions the tunnelling-vs-non-
> tunnelling approaches, although the former draft leads indirectly to a
> location-id split method (which includes translation in that case, see
> Liebsch, translation which is incomplete too because not mentioning the
> implemented NPT IPv6 RFC6292) (and non-tunnelling host-based routes are
> possible without translation).

Actually, as you mentioned, draft-liu does not claim to cover all possible 
protocols. This I-D focuses, intentionally, on protocols that are deployed 
today. However, the list of protocols can of course be expanded if useful. 

Pierrick
> 
> That is for discussion only, Subject changed.
> 
> Yours,
> 
> Alex
> 
> Le 19/12/2012 21:25, Jouni Korhonen a écrit :
> > Folks,
> >
> > We are unfortunately slipping our milestone, our (chairs) apologies
> > for that. The next step is to select a "current practices and gap
> > analysis" document to serve as the basis for the future WG document.
> > We consider two documents on this topic to choose from:
> >
> > [1] draft-zuniga-dmm-gap-analysis-02 [2]
> > draft-liu-dmm-best-practices-gap-analysis-01
> >
> > and we as a WG need to decide which one is going to form the _basis_
> > for the WG document.
> >
> > Please voice your preference either for [1] or for [2] on the mailing
> > list. We would appreciate if you can also provide a one-liner
> > justification for your selection. The chairs will determine if there
> > is (rough) consensus from active WG participants to proceed with
> > selecting one document against the other.
> >
> > The call starts today 19th Dec 2012 and ends by 10th Jan 2013. We
> have
> > a longer three week call now due the holiday season in between.
> >
> > - Jouni & Julien _______________________________________________ dmm
> > mailing list [email protected] https://www.ietf.org/mailman/listinfo/dmm
> >
> >
> 
> 
> _______________________________________________
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