[Isis-wg] Link-State Routing WG charter

Alia Atlas <akatlas@gmail.com> Wed, 24 January 2018 17:19 UTC

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From: Alia Atlas <akatlas@gmail.com>
Date: Wed, 24 Jan 2018 12:18:58 -0500
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To: isis-wg@ietf.org, OSPF List <ospf@ietf.org>
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Subject: [Isis-wg] Link-State Routing WG charter
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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
2) Extensions needed for Segment Routing and associated architectural
3) YANG models for IS-IS, OSPFv2, and OSPFv3 and extensions
4) Extensions for source-destination 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