Re: [Teas] Status update on <draft-ietf-teas-pce-central-control>
Dieter Beller <Dieter.Beller@nokia.com> Fri, 24 March 2017 13:55 UTC
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To: Igor Bryskin <Igor.Bryskin@huawei.com>, "Scharf, Michael (Nokia - DE/Stuttgart)" <michael.scharf@nokia.com>, Lou Berger <lberger@labn.net>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>, "teas@ietf.org" <teas@ietf.org>
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From: Dieter Beller <Dieter.Beller@nokia.com>
Organization: Nokia
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Date: Fri, 24 Mar 2017 14:54:58 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/4QcJIxDAto2oDd_4xc0gHzYBHoM>
Subject: Re: [Teas] Status update on <draft-ietf-teas-pce-central-control>
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stating that GMPLS is "uninteroperable" is not correct! GMPLS interoperability across vendor domains has been demonstrated
multiple times with different participating vendors.
Thanks,
Dieter
Thanks Michael, I have similar concerns. If there is a need for proprietary PCEP extensions to accommodate vendor specific semantics, how we will not end up with the same issues that have made GMPLS RSVP-TE/OSPF-TE, realistically speaking, uninteroperable? In other words, would you agree that applied to circuit switched technologies, PCEP has exact same probability for interoperability success as GMPLS? Note that for IP/MPLS networks there is no (or at least much less) potential PCEP interop problems, but IP/MPLS control plane has proved to be interoperable as well. Igor -----Original Message----- From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Scharf, Michael (Nokia - DE/Stuttgart) Sent: Friday, March 24, 2017 6:32 AM To: Lou Berger; adrian@olddog.co.uk; teas@ietf.org Subject: Re: [Teas] Status update on <draft-ietf-teas-pce-central-control> We have already discussed "lively" the speculative statements in certain sections of this document. To me, examples such as section 3.1.4 (and others) ... It may be the case that additional technology- specific parameters are needed to configure the NEs and these parameters will need to be carried in the PCEP messages ... continue to somehow contradict the expectation in Section 4 that extensions will be generic: The only work expected to be needed is small extensions to carry additional or specific information elements for the individual use cases. Where possible, consistent with the general principles of how protocols are extended, any additions to the protocol should be made in a generic way such that they are open to use in a range of applications. Having said this, maybe one could add some thoughts on increased PCEP protocol complexity (e.g., would it possible that the small PCEP extensions would require transaction and rollback support?), impact on running PCEP code, as well as implications on interoperability testing between implementations? This might partly be speculation, but manageability impact doesn't seem entirely unrealistic for some of the use cases considered in the document. Thanks Michael-----Original Message----- From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Lou Berger Sent: Mittwoch, 22. März 2017 20:19 To: adrian@olddog.co.uk; teas@ietf.org Subject: Re: [Teas] Status update on <draft-ietf-teas-pce-central-control> WG, This is the 2nd (or 3rd) time the authors are stating that the document is ready to LC since it was adopted ~6months ago - without there being any substantive discussion on the document within the WG and only a minor update in December. It's a little hard for us (chairs) to know if silence is due to complete agreement with the document or simply apathy. From the message below, the authors clearly think it's the former. If you are *not* an author of this document and are willing to share your opinion on this document, please do so -- preferably on the list, but unicast to the chairs is also acceptable. We will also ask for feedback on the draft during the status portion of the meeting. Thank you, Lou (and Pavan) On 3/22/2017 8:01 AM, Adrian Farrel wrote:Hi, As requested, here is the status of this I-D. - Not on the agenda in Chicago - New revision posted in December - Fixed nits after re-review by several authors - The authors have repeatedly pointed out to the chairs that the document is complete and ready to move forward. - At this stage, the chairs are blocking progress - Related work... - Use cases document has been adopted in TEAS draft-ietf-teas-pcecc-use-cases Adrian _______________________________________________ Teas mailing list Teas@ietf.org https://www.ietf.org/mailman/listinfo/teas" rel="nofollow">https://www.ietf.org/mailman/listinfo/teas_______________________________________________ Teas mailing list Teas@ietf.org https://www.ietf.org/mailman/listinfo/teas" rel="nofollow">https://www.ietf.org/mailman/listinfo/teas_______________________________________________ Teas mailing list Teas@ietf.org https://www.ietf.org/mailman/listinfo/teas" rel="nofollow">https://www.ietf.org/mailman/listinfo/teas _______________________________________________ Teas mailing list Teas@ietf.org htt
- [Teas] Status update on <draft-ietf-teas-pce-cent… Adrian Farrel
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Lou Berger
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Scharf, Michael (Nokia - DE/Stuttgart)
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Igor Bryskin
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Lou Berger
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Dieter Beller
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Igor Bryskin
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Doolan, Paul (Coriant - US/Irving)
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Adrian Farrel
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Igor Bryskin
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Gert Grammel
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Igor Bryskin
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Gert Grammel
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Scharf, Michael (Nokia - DE/Stuttgart)
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Adrian Farrel
- Re: [Teas] Status update on <draft-ietf-teas-pce-… Scharf, Michael (Nokia - DE/Stuttgart)