Re: [Isis-wg] Link-State Routing WG charter

Alia Atlas <> Wed, 24 January 2018 17:42 UTC

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From: Alia Atlas <>
Date: Wed, 24 Jan 2018 12:42:26 -0500
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To: Stewart Bryant <>
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Subject: Re: [Isis-wg] Link-State Routing WG charter
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Hi Stewart,

Thanks for the quick feedback.  Feel free to provide suggestions for text
changes if you have them.
You've certainly written enough charters :-)


On Wed, Jan 24, 2018 at 12:32 PM, Stewart Bryant <>

> Alia,
> I think that this merger is long overdue, and hopefully it will help new
> features to be written in an aligned way.
> I think the remit to perform general maintenance should slightly clarified
> since the way the charter is written they look like they are at a lower
> priority than the enumerated list.
> I would have thought that "LSR can coordinate with CCAMP and BIER on their
> extensions " should have been more directive.
> - Stewart
> On 24/01/2018 17:18, Alia Atlas wrote:
> Here is the proposed charter for the LSR working group
> that will be created from the SPF and ISIS working groups.
> This is scheduled for internal review for the IESG telechat on February 8.
> The Link-State Routing (LSR) Working Group is chartered to document
> current protocol implementation practices and improvements, protocol usage
> scenarios, maintenance and extensions of link-state routing interior
> gateway protocols (IGPs) with a focus on IS-IS, OSPFv2, and OSPFv3.  The
> LSR Working Group is formed by merging the isis and ospf WGs and will take
> on all their existing adopted work at the time of chartering.
> IS-IS is an IGP specified and standardized by ISO through ISO 10589:2002
> and additional RFC standards with extensions to support IP that has been
> deployed in the Internet for decades.  For the IS-IS protocol, LSR’s work
> is focused on IP routing, currently based on the agreement in RFC 3563 with
> ISO/JTC1/SC6. The LSR WG will interact with other standards bodies that
> have responsible for standardizing IS-IS.
> OSPFv2 [RFC 2328 and extensions], is an IGP that has been deployed in the
> Internet for decades. OSPFv3 [RFC5340 and extensions] provides OSPF for
> IPv6 and IPv4 [RFC5838] which can be delivered over IPv6 or IPv4 [RFC 7949].
> The LSR Working Group will generally manage its specific work items by
> milestones agreed with the responsible Area Director.
> The following topics are expected to be an initial focus:
> 1) Improving OSPF support for IPv6 and extensions using OSPFv3 LSA
> Extendibility.
> 2) Extensions needed for Segment Routing and associated architectural
> changes
> 3) YANG models for IS-IS, OSPFv2, and OSPFv3 and extensions
> 4) Extensions for source-destination routing [draft-ietf-rtgwg-dst-src-
> routing]
> 5) Potentially, extensions to better support specific network topologies
> such as
> ones commonly used in data centers.
> The Link-State Routing (LSR) Working Group will coordinate with other
> working groups, such as RTGWG, SPRING, MPLS, TEAS, V6OPS, and 6MAN, to
> understand the need for extensions and to confirm that the planned work
> meets the needs.  LSR can coordinate with CCAMP and BIER on their
> extensions to the LSR IGPs as useful.  LSR may coordinate with other WGs as
> needed.
> Regards,
> Alia
> _______________________________________________
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