Re: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt

dominique.barthel@orange.com Wed, 08 April 2020 14:33 UTC

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From: <dominique.barthel@orange.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt
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Date: Wed, 8 Apr 2020 14:33:08 +0000
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Subject: Re: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt
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Hello all,

I'm doing another pass at reviewing draft-ietf-roll-useofrplinfo-38. I went as far as 7.2.1 at this time.
I've found a few issues/questions.
After discussing them with Pascal, I've submitted a Pull Request that addresses some of the questions, https://github.com/roll-wg/useofrplinfo/pull/9, have a look and I'm happy to discuss them.
One issue to be discussed is a contradiction between the beginning of Section 6, which says that the 6LBR MUST set the DagRank to 0 before letting the RPI go onto the Internet, and the corresponding example in Section 7, which says that the RPI is untouched. I'm not sure what the decision is about this.
Probably more questions/comments to follow as I progress through the document.
Another PR with nit fixes as well.
Best regards

Dominique

De : Roll <roll-bounces@ietf.org<mailto:roll-bounces@ietf.org>> on behalf of "Pascal Thubert (pthubert)" <pthubert=40cisco.com@dmarc.ietf.org<mailto:pthubert=40cisco.com@dmarc.ietf.org>>
Répondre à : "roll@ietf.org<mailto:roll@ietf.org>" <roll@ietf.org<mailto:roll@ietf.org>>
Date : Monday 23 March 2020 18:57
À : "roll@ietf.org<mailto:roll@ietf.org>" <roll@ietf.org<mailto:roll@ietf.org>>
Objet : Re: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt

Dear Ines:

I checked and found it ready for publication.

Many thanks for your patience!

Be safe;

Pascal


From: Roll <roll-bounces@ietf.org<mailto:roll-bounces@ietf.org>> On Behalf Of Ines Robles
Sent: lundi 23 mars 2020 17:52
To: roll <roll@ietf.org<mailto:roll@ietf.org>>
Subject: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt

Dear all,

We have updated the document:

-  We add in Section 7.1.3. SM: Example of Flow from Root to RUL, a case with no encapsulation (Figure 11)
- We add more clarification to the tables, e.g. in the Modified headers row, we changed IP-IP(RPI) to RPI - this indicates that only the RPI is modified and not the IP-IP.
- Adding text to explain the modifications.
- We eliminate the Hop-by-Hop re-encapuslation definition and following mention in the text, because it is not used.

Diff: https://tools.ietf.org/rfcdiff?url2=draft-ietf-roll-useofrplinfo-38.txt

Comments welcome,

Thank you,

The authors.
---------- Forwarded message ---------
From: <internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>>
Date: Mon, Mar 23, 2020 at 6:41 PM
Subject: New Version Notification for draft-ietf-roll-useofrplinfo-38.txt
To: Michael C. Richardson <mcr+ietf@sandelman.ca<mailto:mcr%2Bietf@sandelman.ca>>, Pascal Thubert <pthubert@cisco.com<mailto:pthubert@cisco.com>>, Maria Ines Robles <mariainesrobles@gmail.com<mailto:mariainesrobles@gmail.com>>



A new version of I-D, draft-ietf-roll-useofrplinfo-38.txt
has been successfully submitted by Maria Ines Robles and posted to the
IETF repository.

Name:           draft-ietf-roll-useofrplinfo
Revision:       38
Title:          Using RPI Option Type, Routing Header for Source Routes and IPv6-in-IPv6 encapsulation in the RPL Data Plane
Document date:  2020-03-23
Group:          roll
Pages:          63
URL:            https://www.ietf.org/internet-drafts/draft-ietf-roll-useofrplinfo-38.txt
Status:         https://datatracker.ietf.org/doc/draft-ietf-roll-useofrplinfo/
Htmlized:       https://tools.ietf.org/html/draft-ietf-roll-useofrplinfo-38
Htmlized:       https://datatracker.ietf.org/doc/html/draft-ietf-roll-useofrplinfo
Diff:           https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-useofrplinfo-38

Abstract:
   This document looks at different data flows through LLN (Low-Power
   and Lossy Networks) where RPL (IPv6 Routing Protocol for Low-Power
   and Lossy Networks) is used to establish routing.  The document
   enumerates the cases where RFC6553 (RPI Option Type), RFC6554
   (Routing Header for Source Routes) and IPv6-in-IPv6 encapsulation is
   required in data plane.  This analysis provides the basis on which to
   design efficient compression of these headers.  This document updates
   RFC6553 adding a change to the RPI Option Type.  Additionally, this
   document updates RFC6550 defining a flag in the DIO Configuration
   option to indicate about this change and updates [RFC8138] as well to
   consider the new Option Type when the RPL Option is decompressed.




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