Re: [mpls-tp] liaisons to the ITU-T (3) the cooperation on MPLS-TP
Loa Andersson <loa@pi.nu> Wed, 18 February 2009 10:44 UTC
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Date: Wed, 18 Feb 2009 11:44:58 +0100
From: Loa Andersson <loa@pi.nu>
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To: BUSI ITALO <Italo.Busi@alcatel-lucent.it>
References: <49803887.8000301@pi.nu> <498C65A1.50205@chello.nl> <498C74BC.5080103@cisco.com> <00c601c98885$e575cba0$b06162e0$@com> <EC5B248E13A6A7419C388615FADC5C970B637367@proton.jnpr.net> <00d501c98894$2cb92bc0$862b8340$@com> <C2851245E9854E69A7A54FDD07C6E543@your029b8cecfe> <000401c988c4$d1cf4880$756dd980$@com> <80A68A44-AA52-4364-AF15-418D2D950198@lucidvision.com> <003a01c98936$39990a20$accb1e60$@com> <b2d141720902071410v6ab34eb9yd2306105201c14a2@mail.gmail.com> <6FD21B53861BF44AA90A288402036AB401E5CE4E@FRVELSMBS21.ad2.ad.alcatel.com>
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Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the cooperation on MPLS-TP
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Italo, exactly what are you referring to here? Where are "the powerful T-MPLS OAM tools" documented? /Loa BUSI ITALO wrote: > Andy, > > T-MPLS provides powerful OAM tools to detect any misconfiguration errors > and prevent "accidental interconnection of IP/MPLS and transport layer > MPLS" > > Italo > >> -----Original Message----- >> From: Andrew G. Malis [mailto:amalis@gmail.com] >> Sent: Saturday, February 07, 2009 11:10 PM >> To: davarish@yahoo.com >> Cc: Thomas Nadeau; BUSI ITALO; mpls-tp@ietf.org >> Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the >> cooperation on MPLS-TP >> >> Sharam, >> >> The IP/MPLS Forum has defined the MPLS Inter-Carrier Interconnect >> Specification ( http://www.ipmplsforum.org/tech/IPMPLSForum19.0.0.pdf >> ). Just this past week I was in discussion with a large European-based >> interconnect provider (they interconnect several hundred service >> provider networks) that has customers interested in interconnecting >> using this specification. I know of several other providers that have >> also expressed interest. >> >> In addition, Verizon (for one) has widely deployed MPLS in its public >> and private IP backbone networks and intends to deploy MPLS-TP in its >> transport network. We are extremely concerned with precluding any >> potential harm through the accidental interconnection of IP/MPLS and >> transport layer MPLS, either through operational or provisioning >> error, or though physical misconnections in a CO. With MPLS-TP, we >> know that potential harm can be precluded. We cannot be so sure with >> T-MPLS as defined in the current recommendations. >> >> Cheers, >> Andy >> >> On Sat, Feb 7, 2009 at 10:10 AM, Shahram Davari >> <davari@rogers.com> wrote: >>> Tom, >>> >>> What I meant was that MPLS/T-MPLS are not used at Internet >> peering points >>> (E-NNI). Off course a single ISP can use MPLS or T-MPLS in their own >>> network, but they are in full control of their own network >> and could make >>> sure incompatible protocols are not used or are used in a >> controlled manner. >>> -Shahram >>> >>> -----Original Message----- >>> From: Thomas Nadeau [mailto:tnadeau@lucidvision.com] >>> Sent: February-07-09 9:58 AM >>> To: davarish@yahoo.com >>> Cc: 'Adrian Farrel'; 'Thomas Walsh'; stbryant@cisco.com; >>> hhelvoort@chello.nl; 'BUSI ITALO'; mpls-tp@ietf.org >>> Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the >> cooperation on MPLS-TP >>> >>> >>>> Hi Adrian and Tom, >>>> >>>> I am personally in favour of deprecating T-MPLS, because I >> think the >>>> industry needs one set of standard and having two will lead to >>>> confusion. >>>> But I don't think T-MPLS is dangerous for the public >>>> "Internet" (sine MPLS >>>> or T-MPLS are not used in the public Internet) , >>> Sharam, >>> >>> I am a little surprised by your assertion above that >> MPLS is not >>> used >>> in >>> the public Internet. The reality is quite the contrary. >> Perhaps you >>> meant something >>> else or this is a typo? >>> >>> --Tom >>> >>> >>> >>>> and I also don't think not >>>> following IETF change procedures is a convincing argument (because >>>> one might >>>> come up with a valid protocol without following the IETF change >>>> process). >>>> >>>> Best regards, >>>> Shahram >>>> >>>> -----Original Message----- >>>> From: mpls-tp-bounces@ietf.org [mailto:mpls-tp-bounces@ietf.org] On >>>> Behalf >>>> Of Adrian Farrel >>>> Sent: February-06-09 3:59 PM >>>> To: davarish@yahoo.com; 'Thomas Walsh'; stbryant@cisco.com; >>>> hhelvoort@chello.nl >>>> Cc: 'BUSI ITALO'; mpls-tp@ietf.org >>>> Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the cooperation on >>>> MPLS-TP >>>> >>>> Shahram, >>>> >>>> Trying to defuse a little... >>>> I'm not sure that discussing the IETF behavior is entirely helpful, >>>> but for >>>> reference, RFCs that are "replaced" are marked in the RFC list as >>>> 'obsolete.' RFCs that are no longer relevant are marked as >>>> 'historic' and >>>> RFCs that are considered harmful are obsoleted by a new RFC that >>>> describes >>>> how they are harmful. >>>> >>>> What is at stake here is what is most helpful to the community at >>>> large. If >>>> a technology (e.g. T-MPLS) is being replaced by another technology >>>> (MPLS-TP) >>>> >>>> by wide consensus of the community (ITU-T and IETF) it is not >>>> helpful to >>>> allow people to think that the old technology is still >> valid and worth >>>> implementing. Doing so would mislead people into thinking that they >>>> there is >>>> >>>> community support for the technology. A new hardware company coming >>>> to the >>>> list of Recommendations might conclude that the industry >> supports the >>>> technology and might waste valuable development time pursuing the >>>> technology. >>>> >>>> Given that the IETF has persuaded the ITU-T that T-MPLS should not >>>> be worked >>>> >>>> on further and should be replaced by MPLS-TP, it is dangerously >>>> misleading >>>> to leave the T-MPLS Recommendations "lying around". >>>> >>>> The agreement in Geneva seems to have been a compromise. The IETF >>>> requested >>>> that the ITU-T should delete the existing T-MPLS Recommendations. >>>> The ITU-T >>>> has decided to leave the Recommendations in place until they are >>>> "replaced" >>>> by the v2 Recommendations that will move to MPLS-TP. It is >> debateable >>>> whether this replacement will mean that the v1 Recommendations are >>>> 'deprecated', 'obsoleted', or merely 'replaced'. It would seem >>>> sensible, >>>> however, to note that G.xxxx v2 completely replaces G.xxxx v1 even >>>> if the >>>> latter remains available in the repository. Someone implementing or >>>> deploying G.xxxx would take the most recent version. >>>> >>>> Actually, I had some reservations about the agreement in Geneva. It >>>> seems to >>>> >>>> me to be predicated on the ITU-T pulling its finger out and >>>> producing the v2 >>>> >>>> Recommendations. As yet I have not seen even an editor's revisions >>>> of any >>>> one Recommendation (perhaps I have not looked in the right place?). >>>> If the >>>> ITU-T is not willing to produce this work I must assume >> that the JWT >>>> agreement is not backed by meaningful intent. >>>> >>>> Cheers, >>>> Adrian >>>> ----- Original Message ----- >>>> From: "Shahram Davari" <davari@rogers.com> >>>> To: "'Thomas Walsh'" <twalsh@juniper.net>; <davarish@yahoo.com>; >>>> <stbryant@cisco.com>; <hhelvoort@chello.nl> >>>> Cc: "'BUSI ITALO'" <Italo.Busi@alcatel-lucent.it>; >> <mpls-tp@ietf.org> >>>> Sent: Friday, February 06, 2009 7:50 PM >>>> Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the cooperation on >>>> MPLS-TP >>>> >>>> >>>>> Hi Tom, >>>>> >>>>> AFAIK IETF doesn't remove an obsolete RFC from its server (e.g. >>>>> RFC2598). >>>>> Are you then asking that ITU should remove obsolete >> recommendations >>>>> from >>>>> its >>>>> server. >>>>> >>>>> Regards, >>>>> Shahram >>>>> >>>>> -----Original Message----- >>>>> From: mpls-tp-bounces@ietf.org >> [mailto:mpls-tp-bounces@ietf.org] On >>>>> Behalf >>>>> Of Thomas Walsh >>>>> Sent: February-06-09 2:16 PM >>>>> To: davarish@yahoo.com; stbryant@cisco.com; hhelvoort@chello.nl >>>>> Cc: BUSI ITALO; mpls-tp@ietf.org >>>>> Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the >> cooperation on >>>>> MPLS-TP >>>>> >>>>> Sharam, >>>>> >>>>> Please note I am not speaking for Stewart here, but this is my own >>>>> reaction to what you just said. >>>>> >>>>> These are two necessary steps for sure and as far as I >> know are being >>>>> followed. I see nothing inconsistent in what Stuart said. >>>>> >>>>> Bottom line: >>>>> The T-MPLS Recommendations were never submitted according >> to the IETF >>>>> change process and hence must be removed. >>>>> >>>>> Monique and I just spent two weeks in January at ITU-T SG >> 13 and SG >>>>> 11. >>>>> We generally found very good cooperation in their >> understanding that >>>>> they can not publish any change to IP or an MPLS protocol in a >>>>> Recommendation without following the IETF change process. >>>>> >>>>> The JWT agreement had two options (1) and (2). >>>>> >>>>> Option 2 would allow publication of T-MPLS >> Recommendations by ITU-T >>>>> as >>>>> they currently exist as long as they remove the MPLS Ethertype. >>>>> >>>>> Option (1) does not allow use of the MPLS Ethertype in an ITU-T >>>>> Recommendation unless it's a protocol approved by IETF >> according to >>>>> its >>>>> change process. And this option conforms to the IETF >> Change process. >>>>> Please do not quote JWT agreements out of context. The >> JWT agreement >>>>> does not give ITU-T the right to ignore the IETF change process. >>>>> >>>>> ITU-T may freely use IETF approved protocols. T-MPLS is not IETF >>>>> approved according to the change process. IETF has a >> right to ask for >>>>> these offending documents to be withdrawn. >>>>> >>>>> Just my view, >>>>> >>>>> Tom >>>>> >>>>> >>>>>> -----Original Message----- >>>>>> From: mpls-tp-bounces@ietf.org >> [mailto:mpls-tp-bounces@ietf.org] On >>>>> Behalf >>>>>> Of Shahram Davari >>>>>> Sent: Friday, February 06, 2009 10:08 AM >>>>>> To: stbryant@cisco.com; hhelvoort@chello.nl >>>>>> Cc: 'BUSI ITALO'; mpls-tp@ietf.org >>>>>> Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the >> cooperation on >>>>> MPLS- >>>>>> TP >>>>>> >>>>>> Hi Stewart, >>>>>> >>>>>> Here is your own report: >>>>>> >>>>>> >> http://www.ietf.org/internet-drafts/draft-bryant-mpls-tp-jwt-report- >>>>>> 00.txt >>>>>> >>>>>> and here is what it says in your report that ITU-T agreed to do: >>>>>> >>>>>> - Alignment of the current T-MPLS ITU-T Recommendations >> with MPLS-TP >>>>>> and, >>>>>> - Termination of the work on current T-MPLS. >>>>>> >>>>>> I can't see anywhere in the report the term or intention of >>>>> deprecating. >>>>>> Could you please clarify which part of this report indicates >>>>> deprecating? >>>>>> Thanks, >>>>>> Shahram >>>>>> >>>>>> -----Original Message----- >>>>>> From: mpls-tp-bounces@ietf.org >> [mailto:mpls-tp-bounces@ietf.org] On >>>>> Behalf >>>>>> Of Stewart Bryant >>>>>> Sent: February-06-09 12:35 PM >>>>>> To: hhelvoort@chello.nl >>>>>> Cc: BUSI ITALO; mpls-tp@ietf.org >>>>>> Subject: Re: [mpls-tp] liaisons to the ITU-T (3) the >> cooperation on >>>>> MPLS- >>>>>> TP >>>>>> >>>>>> Huub van Helvoort wrote: >>>>>>> Stewart, >>>>>>> >>>>>>> You replied: >>>>>>> >>>>>>>>> So by keeping the word "depreciation" in the liaison response >>>>>>>>> the whole discussion will start again and as Stuart already >>>>>>>>> mentioned a few times, this is a waste of time and resources. >>>>>>>>> And also it confuses the industry about the position >> of the IETF. >>>>>>>> There is no confusion about the position of the IETF. It >>>>>>>> has quite clearly stated that T-MPLS is a potential >>>>>>>> danger to the Internet and should not be deployed. >>>>>>>> >>>>>>>> The most appropriate action under such circumstances is >>>>>>>> deprecation of the protocol. >>>>>>> Does this mean that you do not accept the agreement documented >>>>>>> in the JWT report and WP3 report and that all the time spent to >>>>>>> discuss these agreements is wasted and that you want to start >>>>>>> this discussion again. >>>>>>> >>>>>> Huub >>>>>> >>>>>> I can see no logical linkage between my statement and your >>>>>> deduction. Please will you explain it to me. >>>>>> >>>>>> Stewart >>>>>> >>>>>> _______________________________________________ >>>>>> mpls-tp mailing list >>>>>> mpls-tp@ietf.org >>>>>> https://www.ietf.org/mailman/listinfo/mpls-tp >>>>>> >>>>>> _______________________________________________ >>>>>> mpls-tp mailing list >>>>>> mpls-tp@ietf.org >>>>>> https://www.ietf.org/mailman/listinfo/mpls-tp >>>>> _______________________________________________ >>>>> mpls-tp mailing list >>>>> mpls-tp@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/mpls-tp >>>>> >>>>> _______________________________________________ >>>>> mpls-tp mailing list >>>>> mpls-tp@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/mpls-tp >>>>> >>>> _______________________________________________ >>>> mpls-tp mailing list >>>> mpls-tp@ietf.org >>>> https://www.ietf.org/mailman/listinfo/mpls-tp >>>> >>>> _______________________________________________ >>>> mpls-tp mailing list >>>> mpls-tp@ietf.org >>>> https://www.ietf.org/mailman/listinfo/mpls-tp >>>> >>> _______________________________________________ >>> mpls-tp mailing list >>> mpls-tp@ietf.org >>> https://www.ietf.org/mailman/listinfo/mpls-tp >>> > _______________________________________________ > mpls-tp mailing list > mpls-tp@ietf.org > https://www.ietf.org/mailman/listinfo/mpls-tp -- Loa Andersson Sr Strategy and Standards Manager Ericsson /// phone: +46 8 632 77 14 email: loa.andersson@ericsson.com loa.andersson@redback.com loa@pi.nu
- [mpls-tp] liaisons to the ITU-T (3) the cooperati… Loa Andersson
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Ross Callon
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Andrew G. Malis
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Greg Mirsky
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Drake, John E
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Ross Callon
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Adrian Farrel
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Stewart Bryant
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Andrew G. Malis
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Monique Morrow (mmorrow)
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… George Swallow
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Huub van Helvoort
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Stewart Bryant
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Monique Morrow (mmorrow)
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Maarten Vissers
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Huub van Helvoort
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Stewart Bryant
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Drake, John E
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Huub van Helvoort
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Stewart Bryant
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Adrian Farrel
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Monique Morrow (mmorrow)
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Nadeau
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Adrian Farrel
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Ross Callon
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Nadeau
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Huub van Helvoort
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Andrew G. Malis
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Ben Niven-Jenkins
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Luyuan Fang (lufang)
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Shahram Davari
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Maarten Vissers
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Nadeau,TD,Tom,DMF R
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Maarten Vissers
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Maarten Vissers
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Adrian Farrel
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Stewart Bryant
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Maarten Vissers
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Maarten Vissers
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Adrian Farrel
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Maarten Vissers
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Monique Morrow (mmorrow)
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Huub van Helvoort
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Adrian Farrel
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Malcolm Betts
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Walsh
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Huub van Helvoort
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Thomas Nadeau
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… neil.2.harrison
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… Loa Andersson
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… BUSI ITALO
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… David Allan
- Re: [mpls-tp] liaisons to the ITU-T (3) the coope… neil.2.harrison