[Roll] Protocol Action: 'Multicast Protocol for Low power and Lossy Networks (MPL)' to Proposed Standard (draft-ietf-roll-trickle-mcast-12.txt)

The IESG <iesg-secretary@ietf.org> Mon, 29 June 2015 19:55 UTC

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Date: Mon, 29 Jun 2015 12:55:25 -0700
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Subject: [Roll] Protocol Action: 'Multicast Protocol for Low power and Lossy Networks (MPL)' to Proposed Standard (draft-ietf-roll-trickle-mcast-12.txt)
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The IESG has approved the following document:
- 'Multicast Protocol for Low power and Lossy Networks (MPL)'
  (draft-ietf-roll-trickle-mcast-12.txt) as Proposed Standard

This document is the product of the Routing Over Low power and Lossy
networks Working Group.

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

A URL of this Internet Draft is:

Technical Summary

   This document specifies the Multicast Protocol for Low power and
   Lossy Networks (MPL) that provides IPv6 multicast forwarding in
   constrained networks.  MPL avoids the need to construct or maintain
   any multicast forwarding topology, disseminating messages to all MPL
   Forwarders in an MPL Domain.  MPL uses the Trickle algorithm to
   manage message transmissions for both control and data-plane
   messages.  Different Trickle parameter configurations allow MPL to
   trade between dissemination latency and transmission efficiency.

Working Group Summary

   This document had a somewhat lumpy late stage process. It was
   submitted for AD review and IETF last call was started, but then
   a significant issue was spotted, last call was abandoned, and the
   document was sent back to the working group. 

   After discussion and work a new revision was now presented with
   working group consensus.

   IETF last call raised a few small issues that were worked on the
   WG mailing list. It also produced an extensive review that was 
   sent privately to the AD with a request that it remain private. This
   review took considerable effort to managed and close down.

   Note that early allocation of a codepoint was made to enable
   reference to this work by the ZigBee Alliance. Please note the
   IANA Note, below, for additional comments about early

Document Quality

  There are existing implementations of this specification.


   Ines Robles is the Document Shepherd.
   Alvaro Retana is the Responsible Area Director.


   Please note that an early allocation was made from the "Destination Options and Hop-by-Hop
   Options" registry in accordance with Section 13.1 of this I-D. However, the value requested in
   this I-D is different from the one allocated.

   Currently allocated 
       0x4D 01 0 01101 Trickle Multicast Option [draft-ietf-roll-trickle-mcast] 

   To be allocated
       0x6D 01 1 01101 MPL Option [draft-ietf-roll-trickle-mcast] 

   The value 0x4D is no longer required for this document, however, it is suggested that IANA
   will want to mark 0x4D so that it cannot be re-allocated.


   Please also note that IANA has made an early allocation for the IPv6 multicast address
   as requested in Section 13.3 of this I-D.  The value allocated can stand.