Re: [Roll] I-D Action:draft-ietf-roll-rpl-01.txt

Tim Winter <wintert@acm.org> Tue, 15 September 2009 00:22 UTC

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Date: Mon, 14 Sep 2009 20:23:06 -0400
From: Tim Winter <wintert@acm.org>
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Subject: Re: [Roll] I-D Action:draft-ietf-roll-rpl-01.txt
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WG,

In this updated revision we have addressed the following items around the
existing mechanisms in RPL:

 - Some clarification (updates) to grounded/floating in light of default
   routes / infrastructure / and preference to engineer DAG roots

 - guidelines for Objective Code Points and OCP 0

 - clarifications for operation with multiple DAGs re: unique DAGID

 - use of multicast DAOs to install routes for `next door' neighbors (e.g.
   the trivial P2P case)

 - addition of DIO bit to indicate that DA mechanism is supported by the
   DAG Root

 - More clarifications for implementors, including conceptual data
   structures, summary of timers, recommendations for packet forwarding
   (e.g. parents vs. siblings), elaboration of some algorithms

 - Additional discussion of loops with examples to inform loop detection
   discussions

 - Addition of new appendix to track outstanding issues

Please send your feedback to the list.

Thanks,

-RPL authors


Internet-Drafts@ietf.org wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Routing Over Low power and Lossy networks Working Group of the IETF.
> 
> 
> 	Title           : RPL: Routing Protocol for Low Power and Lossy Networks
> 	Author(s)       : T. Winter, R. Team
> 	Filename        : draft-ietf-roll-rpl-01.txt
> 	Pages           : 87
> 	Date            : 2009-09-14
> 
> This document specifies the Routing Protocol for Low Power and Lossy
> Networks (RPL), in accordance with the requirements described in
> [I-D.ietf-roll-building-routing-reqs],
> [I-D.ietf-roll-home-routing-reqs],
> [I-D.ietf-roll-indus-routing-reqs], and [RFC5548].
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-roll-rpl-01.txt
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
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