Re: [Teas] Proposed charter update
Lou Berger <lberger@labn.net> Tue, 09 October 2018 16:49 UTC
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To: "Andrew G. Malis" <agmalis@gmail.com>, Vishnu Pavan Beeram <vishnupavan@gmail.com>
Cc: TEAS WG Chairs <teas-chairs@ietf.org>, teas@ietf.org
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From: Lou Berger <lberger@labn.net>
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Date: Tue, 09 Oct 2018 12:49:02 -0400
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Subject: Re: [Teas] Proposed charter update
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Hi Andy, On 10/9/2018 9:53 AM, Andrew G. Malis wrote: > Pavan and Lou, > > The proposed update looks good, especially with the inclusion of > DetNet. However, support for DetNet should be more general than just > support for "use cases", which could be interpreted to be limited to > those in the forthcoming DetNet Use Cases RFC. Rather, how about: > well it says "use cases" not "Use Cases", but... > - With the DetNet WG on mechanisms (YANG models and protocols) to > support the DetNet architecture and forwarding plane. How about: - With the DetNet WG on mechanisms (YANG models and protocols) to support DetNets > > Also, something else occurs to me that is somewhat more speculative > and may actually not fit, but I'll mention it anyway. While SFC > doesn't require traffic engineering in terms of bandwidth guarantees, > it does require the ability to establish constrained (policy-based) > paths in terms of the ordering of nodes for a particular flow or > chain, and TEAS certainly has a lot of experience with signaling > protocols to establish constrained paths. So perhaps there's some > coordination with the SFC WG that may make sense there. Just a thought. Fair enough, how about: - With the SFC WG on mechanisms (YANG models and protocols) to support SFCs Lou > > Cheers, > Andy > > > > On Mon, Oct 8, 2018 at 2:49 AM Vishnu Pavan Beeram > <vishnupavan@gmail.com <mailto:vishnupavan@gmail.com>> 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_document_d_1l5y3nH3KmOQbHOMp-5FRFm1SK5riS5qi1klve-2D-2DkyUbSU_edit-3Fusp-3Dsharing&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=CFHVfW0WsgxSqM6wTJiWE5evUJAdlUl1fm7E0WVbiS8&m=6pI1yDFJYCLr4YBDXOEJFxWzJQMmsW5q1X0ic60qgM4&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 <mailto: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)