IPv6 Backbone Router

Approval announcement
Draft of message to be sent after approval:

From: The IESG <iesg-secretary@ietf.org>
To: IETF-Announce <ietf-announce@ietf.org>
Cc: 6lo@ietf.org, suresh@kaloom.com, 6lo-chairs@ietf.org, draft-ietf-6lo-backbone-router@ietf.org, shwethab@cisco.com, Samita Chakrabarti <samitac.ietf@gmail.com>, The IESG <iesg@ietf.org>, rfc-editor@rfc-editor.org, Carles Gomez <carlesgo@entel.upc.edu>, Shwetha Bhandari <shwethab@cisco.com>
Subject: Protocol Action: 'IPv6 Backbone Router' to Proposed Standard (draft-ietf-6lo-backbone-router-20.txt)

The IESG has approved the following document:
- 'IPv6 Backbone Router'
  (draft-ietf-6lo-backbone-router-20.txt) as Proposed Standard

This document is the product of the IPv6 over Networks of
Resource-constrained Nodes Working Group.

The IESG contact persons are √Čric Vyncke and Suresh Krishnan.

A URL of this Internet Draft is:

Technical Summary

  This document updates RFC 6775 and RFC 8505 in order to enable proxy
   services for IPv6 Neighbor Discovery by Routing Registrars called
   Backbone Routers.  Backbone Routers are placed along the wireless
   edge of a Backbone, and federate multiple wireless links to form a
   single MultiLink Subnet.

Working Group Summary

This draft has evolved from early days of 6lo group and has gone through
13 iterations as a workgroup draft since 2016. It has received and incorporated
reviews from 6lo, ROLL, RPL and 6man experts. 

Document Quality

A prototype implementation exists in closed source (Cisco IOS).
One major vendor has indicated plans to implement the draft in
shipping product. 

The document required a detailed review from 6man that was done and version -13 
was updated with the comments received. 


The Document shepherd is Shwetha Bhandari. The Responsible AD is Suresh Krishnan.