[Lsr] I-D Action: draft-ietf-lsr-ip-flexalgo-00.txt

internet-drafts@ietf.org Wed, 23 December 2020 19:08 UTC

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Subject: [Lsr] I-D Action: draft-ietf-lsr-ip-flexalgo-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Link State Routing WG of the IETF.

        Title           : IGP Flexible Algorithms (Flex-Algorithm) In IP Networks
        Authors         : William Britto
                          Shraddha Hegde
                          Parag Kaneriya
                          Rejesh Shetty
                          Ron Bonica
                          Peter Psenak
	Filename        : draft-ietf-lsr-ip-flexalgo-00.txt
	Pages           : 18
	Date            : 2020-12-23

   An IGP Flexible Algorithm (Flex-Algorithm) allows IGP to compute
   constraint-based paths.  As currently defined, IGP Flex-Algorithm is
   used with Segment Routing (SR) data planes - SR MPLS and SRv6.
   Therefore, Flex-Algorithm cannot be deployed in the absence of SR.

   This document extends IGP Flex-Algorithm, so that it can be used for
   regular IPv4 and IPv6 prefixes.  This allows Flex-Algorithm to be
   deployed in any IP network, even in the absence of SR.

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