Hi Dimitri,

Thanks for these comments.

Please see inline,


> -----Message d'origine-----
> De : PAPADIMITRIOU Dimitri 
> [mailto:[EMAIL PROTECTED] 
> Envoyé : mardi 14 août 2007 21:04
> À : [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Objet : RE: [Pce] New PCE working group I-Ds
> 
>  
> 
> > -----Original Message-----
> > From: Adrian Farrel [mailto:[EMAIL PROTECTED]
> > Sent: Sunday, August 12, 2007 5:32 PM
> > To: [EMAIL PROTECTED]
> > Subject: [Pce] New PCE working group I-Ds
> > 
> > Hi,
> > 
> > The meeting in Chicago was broadly in support of adopting 
> two I-Ds as 
> > working group drafts:
> > 
> > - Encoding of Objective Functions in Path Computation Element (PCE)
> >   communication and discovery protocols
> >   draft-leroux-pce-of-01.txt
> 
> ok, three comments though: 
> 
> - units B-R is from def. speed(bps)-res.capacity(b) -> ? 
>please check

B is in bps and R is in bps. 
B-R is the actual bandwidth consumption on the link, in bps.
We will clarify the units in next revision.

> - still unclear to me whether isis pce disc. will or not use a
>   separate inst. (cf. gen-app discussion at isis working group)

ISIS pce disc relies on procedures defined in 4971. 
This is a deployment issue to use same or separate instances.


> - question about oscillation effects resulting from opposed obj.
>   adv. from diff. pce's

Would you please clarify and provide an example?

Regards,

JL

> 
> > - Diff-Serv Aware Class Type Object for Path Computation Element
> >   Communication Protocol draft-sivabalan-pce-dste-01.txt
> 
> architectural impact to be clarified before moving forward i 
> think that the important disc. point is whether such info 
> obtained from TED or via other means
> 
> also from <http://www3.ietf.org/proceedings/07mar/minutes/pce.txt>
> 
> * 13) Diff-Serv Aware Class Type Object for Path Computation Element
> * Communication Protocol
> * draft-sivabalan-pce-dste-00.txt (Jon Parker - 5mn) [95]
> *
> * Pce does not know class pool.
> * Dimitri: in interprovider context, how do you assure global 
> significance?
> * Jon: this is an issue not tackled here.
> * Adrian: how PCE has knowledge class pool ? You would 
> suggest to build this knowledge based on IGP
> * flooded information ?
> * JP: please respin the draft tackling issue raised by Dimitri
> * Not many people red the draft
> 
> -> draft still does not seem to address that issue.
>  
> > Can you please indicate your opinion.
> > 
> > 
> > Now that the inter-AS requirements work is stable, the 
> authors of two 
> > I-Ds related to the use of PCE for P2MP path computations 
> (Adrian is 
> > one of the
> > authors) have asked us to look at adopting this work. We 
> think that a 
> > little more discussion is needed first, and have asked them 
> to present 
> > the I-Ds in Vancouver so that we can make a decision immediately 
> > afterwards. Please have a look at the I-Ds and send your 
> comments to 
> > the mailing list.
> > 
> > - PCC-PCE Communication Requirements for Point to Multipoint
> >   Multiprotocol Label Switching Traffic Engineering (MPLS-TE)
> >   draft-yasukawa-pce-p2mp-req-02.txt
> > 
> > - Applicability of the Path Computation Element (PCE) to
> >    Point-to-Multipoint (P2MP) Multiprotocol Label Switching (MPLS)
> >    and Generalized MPLS (GMPLS) Traffic Engineering (TE)
> >    draft-yasukawa-pce-p2mp-app-00.txt
> > 
> > Thanks,
> > JP and Adrian
> > 
> > 
> > 
> > 
> > _______________________________________________
> > Pce mailing list
> > [email protected]
> > https://www1.ietf.org/mailman/listinfo/pce
> > 
> 
> 
> _______________________________________________
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> 


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