[Roll] FW: New Version Notification for draft-thubert-6lo-routing-dispatch-00.txt

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Thu, 27 November 2014 14:03 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: "6lo@ietf.org" <6lo@ietf.org>
Thread-Topic: New Version Notification for draft-thubert-6lo-routing-dispatch-00.txt
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Cc: Routing Over Low power and Lossy networks <roll@ietf.org>, "6tisch@ietf.org" <6tisch@ietf.org>
Subject: [Roll] FW: New Version Notification for draft-thubert-6lo-routing-dispatch-00.txt
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Dear all:

This is a response to the question about the compression of RFC 6553 on top of RFC 6554.
It seems exaggerated to consume a dispatch type for the RPL option only. 
But here, we introduce a routing header which is the equivalent of the mesh header in RFC 4944; we propose a compressed TLV format that can encode RH3, RPL option, IP-in-IP, and is further extensible, for instance for upcoming  BIER.
As it goes, the mesh header consumes 1/3 of all the 6LoWPAN addressable space for application only in Mesh-under. 
This draft reuses that space in Route-over with the assumption that Route-over will not co-exist in a sma enetwork with Mesh-under encoded in the RFC 4944 fashion.
If there is effectively a need for co-existence, devices have to implement the new Mesh-under format that is also proposed in the draft.

Comments welcome,
Pascal


-----Original Message-----
From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] 
Sent: jeudi 27 novembre 2014 14:36
To: Pascal Thubert (pthubert); Pascal Thubert (pthubert); Laurent Toutain; Carsten Bormann; Laurent Toutain; Dr. Carsten Bormann
Subject: New Version Notification for draft-thubert-6lo-routing-dispatch-00.txt


A new version of I-D, draft-thubert-6lo-routing-dispatch-00.txt
has been successfully submitted by Pascal Thubert and posted to the IETF repository.

Name:		draft-thubert-6lo-routing-dispatch
Revision:	00
Title:		A Routing Header Dispatch for 6LoWPAN
Document date:	2014-11-25
Group:		Individual Submission
Pages:		19
URL:            http://www.ietf.org/internet-drafts/draft-thubert-6lo-routing-dispatch-00.txt
Status:         https://datatracker.ietf.org/doc/draft-thubert-6lo-routing-dispatch/
Htmlized:       http://tools.ietf.org/html/draft-thubert-6lo-routing-dispatch-00


Abstract:
   This specification provides a new 6LoWPAN dispatch type for use in
   Route-over and mixed Mesh-under and Route-over topologies, that
   reuses the encoding of the mesh type defined in RFC 4944 for pure
   Mesh-under topologies.  This specification also defines a method to
   compress RPL Option (RFC6553) information and Routing Header type 3
   (RFC6554), an efficient IP-in-IP technique and opens the way for
   further routing techniques.  This extends 6LoWPAN Transmission of
   IPv6 Packets (RFC4944), and is applicable to new link-layer types
   where 6LoWPAN is being defined.

                                                                                  


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