Re: [Teas] Proposed charter update
Dhruv Dhody <dhruv.ietf@gmail.com> Mon, 15 October 2018 15:51 UTC
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From: Dhruv Dhody <dhruv.ietf@gmail.com>
Date: Mon, 15 Oct 2018 21:21:13 +0530
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To: Lou Berger <lberger@labn.net>
Cc: Dhruv Dhody <dhruv.dhody@huawei.com>, teas-chairs@ietf.org, "TEAS WG (teas@ietf.org)" <teas@ietf.org>
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Subject: Re: [Teas] Proposed charter update
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Hi Lou, > > > I wanted to differentiate between PCE (entity that does path > computation) and the PCEP (protocol). > > "..ACTN principles but don't make use of PCE" was the main issue! > > ACTN and PCE are different things? IAs I see it, it's possible to have > a controller that follows ACTN but not PCE (as embodied in the related > RFCs). I think your point is that one that does this is still following > PCE *principles* -- do I understand correctly? Yes, IMHO even when yang is being used in ACTN, the controllers still implement the PCE functions (without the use of PCEP). > If so, I think this is a > very subtle point and perhaps, we can side step this as follows: > > a) Traffic-engineering architectures for generic applicability > across packet and non-packet networks. This includes, for example, > networks that perform centralized computation and control, > distributed computation and control, or even a hybrid approach. > > What do you think? > But, this side stepping is perfectly fine! Thanks! Dhruv > > Thanks, > Lou > > Hope this helps! > > > > Regards, > > Dhruv > > > > > > -- > > Dhruv Dhody > > Lead Architect > > Network Business Line > > Huawei Technologies India Pvt. Ltd. > > Survey No. 37, Next to EPIP Area, Kundalahalli, Whitefield > > Bengaluru, Karnataka - 560066 > > Tel: + 91-80-49160700 Ext 71583 II Email: dhruv.dhody@huawei.com > > > > This e-mail and its attachments contain confidential information from > HUAWEI, which > > is intended only for the person or entity whose address is listed above. > Any use of the > > information contained herein in any way (including, but not limited to, > total or partial > > disclosure, reproduction, or dissemination) by persons other than the > intended > > recipient(s) is prohibited. If you receive this e-mail in error, please > notify the sender by > > phone or email immediately and delete it! > > > > > >> -----Original Message----- > >> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Lou Berger > >> Sent: 10 October 2018 22:45 > >> To: Dhruv Dhody <dhruv.ietf@gmail.com> > >> Cc: TEAS WG Chairs <teas-chairs@ietf.org>; TEAS WG <teas@ietf.org> > >> Subject: Re: [Teas] Proposed charter update > >> > >> Dhruv, > >> > >> you made the following comment on the google doc: > >> > >>> *Dhruv Dhody* > >>> > >>> This should convey that both centralized (controller) and distributed > >>> TE is in scope. And then use of "PCEP" is optional in the controller. > >>> I dont think that is clear with this text. > >>> > >> Do you have any specific text proposals to address your concern? > >> > >> Thanks, > >> > >> Lou > >> > >> > >> On 10/8/2018 2:49 AM, Vishnu Pavan Beeram wrote: > >>> Hi, > >>> > >>> Over the past few months we've noted that our charter could use a bit > >>> of an update to match the current state of TEAS and other working > groups. > >>> We've taken a pass at this and have a proposed revision. Once the WG > >>> agrees on changes, we'll pass those changes along to our AD who is the > >>> actual owner of our charter. The text is enclosed below as well as > >>> available with changes tracked at: > >>> > >>> https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.google.com_d > >>> ocument_d_1l5y3nH3KmOQbHOMp-5FRFm1SK5riS5qi1klve-2D-2DkyUbSU_edit-3Fus > >>> p-3Dsharing&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=C > >>> FHVfW0WsgxSqM6wTJiWE5evUJAdlUl1fm7E0WVbiS8&m=6pI1yDFJYCLr4YBDXOEJFxWzJ > >>> QMmsW5q1X0ic60qgM4&s=XHgp3ISuFZZj_FUiGKK2ZjRndlSyIxgomtfqyEt3DRU&e= > >>> > >>> Please discuss any proposed changes on the list, i.e., changes to the > >>> charter that are suggested in the google-doc but not agreed to here > >>> will be ignored. > >>> > >>> We'd like to have the changes agreed to by the end of this month so > >>> the IESG may have time to review/act before IETF103. > >>> > >>> Thank you, > >>> Pavan and Lou > >>> > >>> -- > >>> Draft Update to TEAS WG Charter (Version 1) > >>> > >>> The Traffic Engineering Architecture and Signaling (TEAS) Working > >>> Group is responsible for defining IP, MPLS and GMPLS traffic > >>> engineering architecture and identifying required related > >>> control-protocol functions, i.e., routing and path computation element > >>> functions. The TEAS group is also responsible for standardizing > >>> generalized, i.e., non-technology specific, RSVP-TE signaling protocol > >>> mechanisms, > >>> > >>> Traffic Engineering (TE) is the term used to refer to techniques that > >>> enable operators to control how specific traffic flows are treated > >>> within their networks. TE is applied to packet networks via MPLS TE > >>> tunnels and LSPs, but may also be provided by other mechanisms such as > >>> forwarding rules similar to policy-based routing. The MPLS-TE control > >>> plane was generalized to additionally support non-packet technologies > >>> via GMPLS. RSVP-TE is the signaling protocol used for both MPLS-TE > >>> and GMPLS. Centralized and logically centralized control models are > >>> also supported, e.g., via Abstraction and Control of Traffic > >>> Engineered Networks (ACTN) and stateful-PCE. > >>> > >>> The TEAS WG is responsible for: > >>> > >>> a) Traffic-engineering architectures for generic applicability > >>> across packet and non-packet networks.. This includes, for example, > >>> both networks that include the use of PCE and those that conform with > >>> ACTN principles but don't make use of PCE. The PCE architecture itself > >>> is out of the WG scope. > >>> > >>> b) Definition of protocol-independent metrics and parameters > >>> (measurement and/or service attributes) for describing links and > >>> tunnels/paths required for traffic engineering (and related routing, > >>> signaling and path computation). These will be developed in > >>> conjunction with requests and requirements from other WGs to ensure > >>> overall usefulness. > >>> > >>> c) Functional specification of extensions for routing (OSPF, ISIS) > >>> and for path computation (PCE), including those that provide general > >>> enablers of traffic-engineering systems that also use RSVP-TE. > >>> Protocol formats and procedures that embody these extensions will be > >>> done in coordination with the WGs supervising those protocols. > >>> > >>> d) Functional specification of generic (i.e., not data plane > >>> technology-specific) extensions for RSVP-TE, and the associated > >>> protocol formats and procedures that embody these extensions. > >>> > >>> e) Definition of control plane mechanisms and extensions to allow > >>> the setup and maintenance of TE paths and TE tunnels that span > >>> multiple domains and/or switching technologies, where a domain may be > >>> an IGP area, an Autonomous System, or any other region of topological > >> visibility. > >>> f) Definition and extension of management and security techniques > >>> for RSVP-TE signaling. This includes configuring and monitoring > >>> RSVP-TE as well as mechanisms used to configure, control, and report > >>> OAM within TE networks. YANG and MIB modules may be considered. > >>> > >>> The TEAS working group is chartered to deliver the following: > >>> > >>> 1. Definition of additional abstract service, link, and path > >>> properties such as jitter, delay, and diversity. Extensions to IGPs to > >>> advertise these properties, and extensions to RSVP-TE to request and > >>> to accumulate these properties. Work with PCE WG to include these > >>> properties in computation requests. > >>> > >>> 2. Specification of terminology, architecture, and protocol > >>> requirements for abstraction and distribution of TE information > >>> between interconnected TE domains/layers. > >>> > >>> 3. Specification and protocol extensions for a GMPLS External > >>> Network-to-Network Interface (E-NNI), i.e., multi-domain GMPLS support. > >>> > >>> 4. Protocol mechanisms to signal associated LSPs in particular with > >>> different source nodes. > >>> > >>> 5. Requirements and protocol extensions for additional protection > >>> mechanisms including end-point protection, protection of P2MP LSPs, > >>> and inter-domain protection. > >>> > >>> 6. YANG models in support of Traffic Engineering, in coordination > >>> with working groups working on YANG models for network topology and > >>> for technology-specific network attributes. > >>> > >>> Requirements may be documented in stand-alone RFCs, may be folded > >>> into architecture or solutions RFCs, may be recorded on a wiki, or may > >>> be documented in an Internet-Draft that is not progressed to RFC. > >>> > >>> The TEAS WG will coordinate with the following working groups: > >>> > >>> - With the MPLS WG to maintain and extend MPLS-TE protocol > >>> mechanisms and to determine whether they should be generalized. > >>> > >>> - With the CCAMP WG to maintain and extend non-packet, data plane > >>> technology-specific TE protocol mechanisms and to determine whether > >>> they should be generalized. > >>> > >>> - With the LSR (OSPF and ISIS) WG to maintain or extend TE routing > >>> mechanisms. > >>> > >>> - With the PCE WG on uses of a PCE in the traffic-engineering > >>> architecture, on PCE extensions per the above, and on RSVP-TE > >>> extensions to support PCE WG identified requirements. > >>> > >>> - With the IDR WG on the use of BGP-LS in TE environments. > >>> > >>> - With the DetNet WG on mechanisms (YANG models and protocols) to > >>> support DetNet use cases. > >>> > >>> - With the SPRING WG on TE architecture and, where appropriate, > >>> TE-related protocol extensions. > >>> > >>> In doing this work, the WG will cooperate with external SDOs (such as > >>> the ITU-T and the IEEE 802.1) as necessary. > >>> > >>> > >>> > >>> > >>> > >>> > >>> _______________________________________________ > >>> Teas mailing list > >>> Teas@ietf.org > >>> https://www.ietf.org/mailman/listinfo/teas > >> _______________________________________________ > >> Teas mailing list > >> Teas@ietf.org > >> https://www.ietf.org/mailman/listinfo/teas > > _______________________________________________ > > Teas mailing list > > Teas@ietf.org > > https://www.ietf.org/mailman/listinfo/teas > >
- [Teas] Proposed charter update Vishnu Pavan Beeram
- Re: [Teas] Proposed charter update Andrew G. Malis
- Re: [Teas] Proposed charter update Lou Berger
- Re: [Teas] Proposed charter update Andrew G. Malis
- Re: [Teas] Proposed charter update Vishnu Pavan Beeram
- Re: [Teas] Proposed charter update Lou Berger
- [Teas] 答复: Proposed charter update Aijun Wang
- Re: [Teas] Proposed charter update Dhruv Dhody
- Re: [Teas] 答复: Proposed charter update Lou Berger
- Re: [Teas] Proposed charter update Lou Berger
- Re: [Teas] Proposed charter update Dhruv Dhody
- [Teas] 答复: 答复: Proposed charter update Aijun Wang
- Re: [Teas] 答复: 答复: Proposed charter update Lou Berger
- Re: [Teas] 答复: 答复: Proposed charter update Aijun Wang
- Re: [Teas] Proposed charter update Lou Berger
- [Teas] 答复: Proposed charter update Dongjie (Jimmy)