Protocol Action: 'North-Bound Distribution of Link-State and TE Information using BGP' to Proposed Standard (draft-ietf-idr-ls-distribution-13.txt)

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The IESG has approved the following document:
- 'North-Bound Distribution of Link-State and TE Information using BGP'
  (draft-ietf-idr-ls-distribution-13.txt) as Proposed Standard

This document is the product of the Inter-Domain Routing Working Group.

The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah
Brungard.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-idr-ls-distribution/





Technical Summary

   In a number of environments, a component external to a network is
   called upon to perform computations based on the network topology and
   current state of the connections within the network, including
   traffic engineering information.  This is information typically
   distributed by IGP routing protocols within the network.

   This document describes a mechanism by which links state and traffic
   engineering information can be collected from networks and shared
   with external components using the BGP routing protocol.  This is
   achieved using a new BGP Network Layer Reachability Information
   (NLRI) encoding format.  The mechanism is applicable to physical and
   virtual IGP links.  The mechanism described is subject to policy
   control.

   Applications of this technique include Application Layer Traffic
   Optimization (ALTO) servers, and Path Computation Elements (PCEs).

Working Group Summary

  The idr WG has had discussions and extensive reviews for several years.
  There is strong consensus in publication.

Document Quality

  The document has has extensive reviews in the idr WG for several years.  There have been 7 implementations reported.
  Implementation report:  https://tools.ietf.org/html/draft-ietf-idr-ls-distribution-impl

Personnel

Document Shepherd: Jie Ding (jie.dong@huawei.com)
Responsible AD: Alvaro Retana (aretana@cisco.com)

RFC Editor Note

RFC Editor: a couple of late editorial changes.
1. Section 3.2.1.4: The last sentence ("The ASN...or IGP domain).") in the description of BGP-LS Identifier should be deleted.
2. Section 3.3.3: Change "with a link NLRI" to "with a prefix NLRI" in the first sentence.
3. Section 3.1: There's an extra "." right before the last sentence.




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