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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Tue, 7 Apr 2020 12:57:51 +0300
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To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Dear all,

We hope that you all are doing well and stay healthy

This is a kindly reminder of the WGLC for unaware-leaves draft.

It would be great if you could state your opinion on it.

Have a great day and thank you in advance,

Ines, Dominique and Michael

On Wed, Mar 25, 2020 at 5:45 PM <dominique.barthel@orange.com> wrote:

> Dear all,
>
> This is a gentle reminder that we are half-way through the WGLC for
> draft-ietf-roll-unaware-leaves-13.
> Please consider reading it and commenting on it.
> Thanks
>
> Dominique
>
> De : "mariainesrobles@googlemail.com" <mariainesrobles@googlemail.com>
> Date : Wednesday 18 March 2020 12:40
> =C3=80 : "roll@ietf.org" <roll@ietf.org>
> Cc : Dominique Barthel <dominique.barthel@orange.com>
> Objet : WGLC on draft-ietf-roll-unaware-leaves-13
>
> Dear all,
>
> A Working Group Last Call (WGLC) starts today (03/18) until 04/01 for the
> draft-ietf-roll-unaware-leaves-13.
> The draft is available here:
> https://datatracker.ietf.org/doc/draft-ietf-roll-unaware-leaves/
> Please review this draft to see if you think that it is ready for
> publication and send comments to the list stating your view.
> Thank you very much in advance,
>
> Ines and Dominique
>
> _________________________________________________________________________=
________________________________________________
>
> Ce message et ses pieces jointes peuvent contenir des informations confid=
entielles ou privilegiees et ne doivent donc
> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez re=
cu ce message par erreur, veuillez le signaler
> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages =
electroniques etant susceptibles d'alteration,
> Orange decline toute responsabilite si ce message a ete altere, deforme o=
u falsifie. Merci.
>
> This message and its attachments may contain confidential or privileged i=
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> they should not be distributed, used or copied without authorisation.
> If you have received this email in error, please notify the sender and de=
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> As emails may be altered, Orange is not liable for messages that have bee=
n modified, changed or falsified.
> Thank you.
>
> _______________________________________________
> Roll mailing list
> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll
>

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<div dir=3D"ltr"><div dir=3D"ltr">Dear all,</div><div dir=3D"ltr"><br></div=
><div dir=3D"ltr">We hope that you all are doing well and stay healthy<br><=
div><br></div><div>This is a kindly reminder of the WGLC for unaware-leaves=
 draft.=C2=A0</div><div><br></div><div>It would be great if you could state=
 your opinion on it.</div><div><br></div><div>Have a great day and thank yo=
u in advance,</div><div><br></div><div>Ines, Dominique and Michael</div></d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On =
Wed, Mar 25, 2020 at 5:45 PM &lt;<a href=3D"mailto:dominique.barthel@orange=
.com">dominique.barthel@orange.com</a>&gt; wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex">



<div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-seri=
f">
<div style=3D"color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14p=
x">
Dear all,</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14p=
x">
<br>
</div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14p=
x">
This is a gentle reminder that we are half-way through the WGLC for=C2=A0<s=
pan style=3D"font-family:Calibri;font-size:15px">draft-ietf-roll-unaware-le=
aves-13.</span></div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14p=
x">
<span style=3D"font-family:Calibri;font-size:15px">Please consider reading =
it and commenting on it.</span></div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14p=
x">
<span style=3D"font-family:Calibri;font-size:15px">Thanks</span></div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14p=
x">
<span style=3D"font-family:Calibri;font-size:15px"><br>
</span></div>
<div><span style=3D"font-size:15px">Dominique</span></div>
<div style=3D"color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14p=
x">
<br>
</div>
<span id=3D"gmail-m_2106280713914470198OLK_SRC_BODY_SECTION" style=3D"color=
:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px">
<div style=3D"font-family:Calibri;font-size:11pt;text-align:left;color:blac=
k;border-width:1pt medium medium;border-style:solid none none;border-bottom=
-color:initial;border-left-color:initial;padding:3pt 0in 0in;border-top-col=
or:rgb(181,196,223);border-right-color:initial">
<span style=3D"font-weight:bold">De=C2=A0: </span>&quot;<a href=3D"mailto:m=
ariainesrobles@googlemail.com" target=3D"_blank">mariainesrobles@googlemail=
.com</a>&quot; &lt;<a href=3D"mailto:mariainesrobles@googlemail.com" target=
=3D"_blank">mariainesrobles@googlemail.com</a>&gt;<br>
<span style=3D"font-weight:bold">Date=C2=A0: </span>Wednesday 18 March 2020=
 12:40<br>
<span style=3D"font-weight:bold">=C3=80=C2=A0: </span>&quot;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &lt;<a href=3D"=
mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Cc=C2=A0: </span>Dominique Barthel &lt;<a =
href=3D"mailto:dominique.barthel@orange.com" target=3D"_blank">dominique.ba=
rthel@orange.com</a>&gt;<br>
<span style=3D"font-weight:bold">Objet=C2=A0: </span>WGLC on draft-ietf-rol=
l-unaware-leaves-13<br>
</div>
<div><br>
</div>
<div>
<div>
<div dir=3D"ltr">Dear all,
<div><br>
</div>
<div>A Working Group Last Call (WGLC) starts today (03/18) until 04/01 for =
the draft-ietf-roll-unaware-leaves-13.<br>
The draft is available here: <a href=3D"https://datatracker.ietf.org/doc/dr=
aft-ietf-roll-unaware-leaves/" target=3D"_blank">
https://datatracker.ietf.org/doc/draft-ietf-roll-unaware-leaves/</a> <br>
Please review this draft to see if you think that it is ready for publicati=
on and send comments to the list stating your view.<br>
Thank you very much in advance,<br>
<br>
Ines and Dominique<br>
</div>
</div>
</div>
</div>
</span>
<pre>______________________________________________________________________=
___________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler
a l&#39;expediteur et le detruire ainsi que les pieces jointes. Les message=
s electroniques etant susceptibles d&#39;alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme ou =
falsifie. Merci.

This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.
As emails may be altered, Orange is not liable for messages that have been =
modified, changed or falsified.
Thank you.
</pre></div>

_______________________________________________<br>
Roll mailing list<br>
<a href=3D"mailto:Roll@ietf.org" target=3D"_blank">Roll@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/roll" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/roll</a><br>
</blockquote></div></div>

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From: Rahul Jadhav <rahul.ietf@gmail.com>
Date: Wed, 8 Apr 2020 14:32:25 +0800
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To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Dear Authors-of-unaware-leaves,

Following are my comments for the draft -13:

1. The draft requires that the first registration (EDAR/EDAC) is
directly handshaked with the 6LBR but all the subsequent refreshes
using DAO/DAO-ACK goes through the Root which in turn generates
anonymous EDAR/EDAC handshaked with the 6LBR.
**Can't we have the 6LR simply use DAO always to Root which generates
the EDAR(with ROVR)/EDAC to 6LBR?** This would simplify the handling
of 6LR. With the updated target option it is now possible to send ROVR
in target option in a backward-compatible fashion. The root is anyways
handling the anonymous EDAR/EDAC and thus has all the required
handling needed to proxy non-anonymous EDAR/EDAC. Also, the
de-registration is also handled through Root which means Root also has
to proxy non-anonymous EDAR/EDAC in that case? The de-registration
case is not clarified in the Figures 7,8,9.

2. The document introduces the term RAN for any RPL aware node which
can act as a parent node for the RUL. But in the document,
subsequently, the term 6LR is used to depict the parent node with
which the RUL attaches. Wondering why? Isn't RAN the appropriate term
to be used?

3. Section 9.2.2: "If a 6LR receives a valid NS(EARO) message with the
"R" flag reset and a Registration Lifetime that is not 0, and the 6LR
was redistributing the Registered Address due to previous NS(EARO)
messages with the flag set, then it MUST stop injecting the address."
In this case, should the 6LR also evict the corresponding NCE?

4. Section 9.2.3: "the Registration Lifetime is adapted from the Path
Lifetime in the TIO by converting the Lifetime Units used in RPL into
units of 60 seconds used in the 6LoWPAN ND messages;"
The unit of lifetime for RPL is not a multiple of 60sec like that of
6lo ND. Thus it is possible that absolute conversion is not possible
in some cases. I guess the implementation should round-up in this
case?

5. Section 5 ... "anonymous message can only increase the lifetime"
... It should be "anonymous message can only update the lifetime"

6. Section 9.1 ... "On the first Address Registration, illustrated in
Figure 5 and Figure 8" ... Figure 8 currently does not show first
address registration.

7. Nits:
Sec 9.2.2 "that is sends in response" -> "that is sent in response"
Sec 10: "unicast to each if the interested children" -> "unicast to
each of the interested children"
Sec 10: "Layer-2 acknoledgement" -> "Layer-2 acknowledgement"
Sec 11: " whereby the it is possible to validate" ->  "whereby it is
possible to validate"
Sec 12.4: "DAO-ACK and RCO" -> "DAO-ACK and DCO"
Appendix A: " Follows the RPI-6LoRH and then the IP-in-IP 6LoRH." ->
Need to be rephrased

Thank you.

Best,
Rahul


On Tue, 7 Apr 2020 at 17:58, Ines Robles
<mariainesrobles=3D40googlemail.com@dmarc.ietf.org> wrote:
>
> Dear all,
>
> We hope that you all are doing well and stay healthy
>
> This is a kindly reminder of the WGLC for unaware-leaves draft.
>
> It would be great if you could state your opinion on it.
>
> Have a great day and thank you in advance,
>
> Ines, Dominique and Michael
>
> On Wed, Mar 25, 2020 at 5:45 PM <dominique.barthel@orange.com> wrote:
>>
>> Dear all,
>>
>> This is a gentle reminder that we are half-way through the WGLC for draf=
t-ietf-roll-unaware-leaves-13.
>> Please consider reading it and commenting on it.
>> Thanks
>>
>> Dominique
>>
>> De : "mariainesrobles@googlemail..com" <mariainesrobles@googlemail.com>
>> Date : Wednesday 18 March 2020 12:40
>> =C3=80 : "roll@ietf.org" <roll@ietf.org>
>> Cc : Dominique Barthel <dominique.barthel@orange.com>
>> Objet : WGLC on draft-ietf-roll-unaware-leaves-13
>>
>> Dear all,
>>
>> A Working Group Last Call (WGLC) starts today (03/18) until 04/01 for th=
e draft-ietf-roll-unaware-leaves-13.
>> The draft is available here: https://datatracker.ietf.org/doc/draft-ietf=
-roll-unaware-leaves/
>> Please review this draft to see if you think that it is ready for public=
ation and send comments to the list stating your view.
>> Thank you very much in advance,
>>
>> Ines and Dominique
>>
>> ________________________________________________________________________=
_________________________________________________
>>
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>
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> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll


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Thread-Topic: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt
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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 16:56:10 +0000
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Hello Dominique,

Thank you very much for your detailed review! :-), We will address your
comments and get back to you.

Best,

Ines.

On Wed, Apr 8, 2020 at 7:56 PM <dominique.barthel@orange.com> wrote:

> Hello all,
>
>
> More questions/comments:
>
> In Section 5, leaf nodes G and J, which are assumed to "not speak RPL" ar=
e
> said to be referred as "IPv6 node" in this document. (seems to be used 4
> times, may not justify for a special name).
> However, RFC8504 uses "IPv6 node" to mean either "IPv6 host" or "IPv6
> router".
> I suggest we align terminology. Shall we call G and J "IPv6 hosts" instea=
d?
> On page 18, "IPv6 nodes" are said to include Internet routers.
>
> In Section 7.3.2:
> - the example provided (nodes F, D, B, E and G) does not include the
> 6LBR/root that the previous sentence mandates.
> - The text says that the Root removes the RPI1, but Figure 19 shows that
> is it left untouched.
>
> In Section 7.3.4:
> - the text says that the RPI is ignored at the RUL dst node, but Figure 2=
1
> shows that the RPI is removed at the parent 6LR and does not reach the RU=
L
> dst node.
>
> In Section 8.2.1:
> The table shows that the RPI is untouched but the 6LBR/Root. As noted
> earlier, Section 6 says that the 6LBR MUST set the DagRank to 0 when
> passing the packet to the Internet.
>
> In Section 8.3.1:
> There is this strange statement "It should be able to remove the
> RPI(RPI1), as it was contained in an IPv6-in-IPv6 header addressed to it.
> Otherwise, =E2=80=A6". It looks like the authors are unsure.
> If the explanation is valid (when the IPv6-in-IPv6 header is addressed to
> one-self, then one can remove the header extensions together with the
> encapsulating header), then the statement should be affirmative: "it
> removes the RPI(RPI1)".
> Or are there situations where the explanation is false ?
>
> In Section 8.3.1:
> SRH is used in the text, and RH3 in Figures 32 and 33. Overall, SRH is
> only used a few times in the document, and is not defined.
> "the IPv6 header is swapped with the SRH so both are changed alongside
> with the RPI2" =E2=80=94>  "Addresses in the IPv6 header are swapped with=
 that of
> the RH3, =E2=80=A6" ?
>
> In Section 9
> "(in either mode)": I suppose you are referring to storing and non-storin=
g
> modes. It is not obvious at this point in the text.
> "An operator that finds itself with a lot of traffic". Does "a lot of
> traffic" change the conclusions?
>
> In Section 10:
> "In case that a node join to a network that only process 0x63": what does
> it mean that "a network processes 0x63"? What type of node "joins"?
> This paragraph needs rewriting.
>
> That's all for me.
> Expect a PR with nit fix suggestions in the coming hours/day.
> Best regards
>
> Dominique
>
> De : Roll <roll-bounces@ietf.org> on behalf of Dominique Barthel <
> dominique.barthel@orange.com>
> R=C3=A9pondre =C3=A0 : "roll@ietf.org" <roll@ietf.org>
> Date : Wednesday 8 April 2020 16:33
> =C3=80 : "roll@ietf.org" <roll@ietf.org>
> Objet : Re: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt
>
> 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> on behalf of "Pascal Thubert
> (pthubert)" <pthubert=3D40cisco.com@dmarc.ietf.org>
> R=C3=A9pondre =C3=A0 : "roll@ietf.org" <roll@ietf.org>
> Date : Monday 23 March 2020 18:57
> =C3=80 : "roll@ietf.org" <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> *On Behalf Of *Ines Robles
> *Sent:* lundi 23 mars 2020 17:52
> *To:* roll <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=3Ddraft-ietf-roll-useofrplinfo-38.txt
>
>
>
> Comments welcome,
>
>
>
> Thank you,
>
>
>
> The authors.
>
> ---------- Forwarded message ---------
> From: <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>, Pascal Thubert <
> pthubert@cisco.com>, Maria Ines Robles <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=3Ddraft-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.
>
>
>
>
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> The IETF Secretariat
>
> _________________________________________________________________________=
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cu ce message par erreur, veuillez le signaler
> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages =
electroniques etant susceptibles d'alteration,
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> This message and its attachments may contain confidential or privileged i=
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> If you have received this email in error, please notify the sender and de=
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Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hello Dominique,<div><br></div><div>Thank you very much fo=
r your detailed review! :-), We will address your comments and get back to =
you.</div><div><br></div><div>Best,</div><div><br></div><div>Ines.</div></d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On =
Wed, Apr 8, 2020 at 7:56 PM &lt;<a href=3D"mailto:dominique.barthel@orange.=
com">dominique.barthel@orange.com</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">



<div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-seri=
f">
<div>Hello all,</div>
<div><br>
</div>
<div><br>
</div>
<div>More questions/comments:</div>
<div><br>
</div>
<div>In Section 5, leaf nodes G and J, which are assumed to &quot;not speak=
 RPL&quot; are said to be referred as &quot;IPv6 node&quot; in this documen=
t. (seems to be used 4 times, may not justify for a special name).</div>
<div>However, RFC8504 uses &quot;IPv6 node&quot; to mean either &quot;IPv6 =
host&quot; or &quot;IPv6 router&quot;.</div>
<div>I suggest we align terminology. Shall we call G and J &quot;IPv6 hosts=
&quot; instead?</div>
<div>On page 18, &quot;IPv6 nodes&quot; are said to include Internet router=
s.</div>
<div><br>
</div>
<div>In Section 7.3.2:</div>
<div>- the example provided (nodes F, D, B, E and G) does not include the 6=
LBR/root that the previous sentence mandates.</div>
<div>- The text says that the Root removes the RPI1, but Figure 19 shows th=
at is it left untouched.</div>
<div>=C2=A0</div>
<div>In Section 7.3.4:</div>
<div>- the text says that the RPI is ignored at the RUL dst node, but Figur=
e 21 shows that the RPI is removed at the parent 6LR and does not reach the=
 RUL dst node.</div>
<div><br>
</div>
<div>In Section 8.2.1:</div>
<div>The table shows that the RPI is untouched but the 6LBR/Root. As noted =
earlier, Section 6 says that the 6LBR MUST set the DagRank to 0 when passin=
g the packet to the Internet.</div>
<div><br>
</div>
<div>In Section 8.3.1:</div>
<div>There is this strange statement &quot;It should be able to remove the =
RPI(RPI1), as it was contained in an IPv6-in-IPv6 header addressed to it. O=
therwise, =E2=80=A6&quot;. It looks like the authors are unsure.</div>
<div>If the explanation is valid (when the IPv6-in-IPv6 header is addressed=
 to one-self, then one can remove the header extensions together with the e=
ncapsulating header), then the statement should be affirmative: &quot;it re=
moves the RPI(RPI1)&quot;.</div>
<div>Or are there situations where the explanation is false ?</div>
<div><br>
</div>
<div>In Section 8.3.1:</div>
<div>SRH is used in the text, and RH3 in Figures 32 and 33. Overall, SRH is=
 only used a few times in the document, and is not defined.</div>
<div>&quot;the IPv6 header is swapped with the SRH so both are changed alon=
gside with the RPI2&quot; =E2=80=94&gt; =C2=A0&quot;Addresses in the IPv6 h=
eader are swapped with that of the RH3, =E2=80=A6&quot; ?</div>
<div><br>
</div>
<div>In Section 9</div>
<div>&quot;(in either mode)&quot;: I suppose you are referring to storing a=
nd non-storing modes. It is not obvious at this point in the text.</div>
<div>&quot;An operator that finds itself with a lot of traffic&quot;. Does =
&quot;a lot of traffic&quot; change the conclusions?</div>
<div><br>
</div>
<div>In Section 10:</div>
<div>&quot;In case that a node join to a network that only process 0x63&quo=
t;: what does it mean that &quot;a network processes 0x63&quot;? What type =
of node &quot;joins&quot;?</div>
<div>This paragraph needs rewriting.</div>
<div><br>
</div>
<div>That&#39;s all for me.</div>
<div>Expect a PR with nit fix suggestions in the coming hours/day.</div>
<div>Best regards</div>
<div><br>
</div>
<div>Dominique</div>
<div><br>
</div>
<span id=3D"gmail-m_-4842174358126552946OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri;font-size:11pt;text-align:left;color:blac=
k;border-width:1pt medium medium;border-style:solid none none;border-bottom=
-color:initial;border-left-color:initial;padding:3pt 0in 0in;border-top-col=
or:rgb(181,196,223);border-right-color:initial">
<span style=3D"font-weight:bold">De=C2=A0: </span>Roll &lt;<a href=3D"mailt=
o:roll-bounces@ietf.org" target=3D"_blank">roll-bounces@ietf.org</a>&gt; on=
 behalf of Dominique Barthel &lt;<a href=3D"mailto:dominique.barthel@orange=
.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt;<br>
<span style=3D"font-weight:bold">R=C3=A9pondre =C3=A0=C2=A0: </span>&quot;<=
a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &=
lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;=
<br>
<span style=3D"font-weight:bold">Date=C2=A0: </span>Wednesday 8 April 2020 =
16:33<br>
<span style=3D"font-weight:bold">=C3=80=C2=A0: </span>&quot;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &lt;<a href=3D"=
mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Objet=C2=A0: </span>Re: [Roll] New Version=
 for draft-ietf-roll-useofrplinfo-38.txt<br>
</div>
<div><br>
</div>
<div>
<div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-seri=
f">
<div>Hello all,</div>
<div><br>
</div>
<div>I&#39;m doing another pass at reviewing=C2=A0draft-ietf-roll-useofrpli=
nfo-38. I went as far as 7.2.1 at this time.</div>
<div>I&#39;ve found a few issues/questions.</div>
<div>After discussing them with Pascal, I&#39;ve submitted a Pull Request t=
hat addresses some of the questions,=C2=A0<a href=3D"https://github.com/rol=
l-wg/useofrplinfo/pull/9" target=3D"_blank">https://github.com/roll-wg/useo=
frplinfo/pull/9</a>, have a look and I&#39;m happy to discuss them.</div>
<div>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 lettin=
g the RPI go onto the Internet, and the corresponding example in Section 7,=
 which says that the RPI is untouched.
 I&#39;m not sure what the decision is about this.</div>
<div>Probably more questions/comments to follow as I progress through the d=
ocument.</div>
<div>Another PR with nit fixes as well.</div>
<div>Best regards</div>
<div><br>
</div>
<div>Dominique</div>
<div><br>
</div>
<span id=3D"gmail-m_-4842174358126552946OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri;font-size:11pt;text-align:left;color:blac=
k;border-width:1pt medium medium;border-style:solid none none;border-bottom=
-color:initial;border-left-color:initial;padding:3pt 0in 0in;border-top-col=
or:rgb(181,196,223);border-right-color:initial">
<span style=3D"font-weight:bold">De=C2=A0: </span>Roll &lt;<a href=3D"mailt=
o:roll-bounces@ietf.org" target=3D"_blank">roll-bounces@ietf.org</a>&gt; on=
 behalf of &quot;Pascal Thubert (pthubert)&quot; &lt;<a href=3D"mailto:pthu=
bert=3D40cisco.com@dmarc.ietf.org" target=3D"_blank">pthubert=3D40cisco.com=
@dmarc.ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">R=C3=A9pondre =C3=A0=C2=A0: </span>&quot;<=
a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &=
lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;=
<br>
<span style=3D"font-weight:bold">Date=C2=A0: </span>Monday 23 March 2020 18=
:57<br>
<span style=3D"font-weight:bold">=C3=80=C2=A0: </span>&quot;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &lt;<a href=3D"=
mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Objet=C2=A0: </span>Re: [Roll] New Version=
 for draft-ietf-roll-useofrplinfo-38.txt<br>
</div>
<div><br>
</div>
<div>


<div lang=3D"EN-US">
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Dear Ines:<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">I checked and found it ready for publication.<u></u><u></u></s=
pan></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Many thanks for your patience!<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Be safe;<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Pascal<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<div style=3D"border-top:none;border-right:none;border-bottom:none;border-l=
eft:1.5pt solid blue;padding:0cm 0cm 0cm 4pt">
<div>
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Calibri"><span style=3D"=
font-size:11pt;font-weight:bold">From:</span></font></b> Roll &lt;<a href=
=3D"mailto:roll-bounces@ietf.org" target=3D"_blank">roll-bounces@ietf.org</=
a>&gt;
<b><span style=3D"font-weight:bold">On Behalf Of </span></b>Ines Robles<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> lundi 23 mars 2020 17:=
52<br>
<b><span style=3D"font-weight:bold">To:</span></b> roll &lt;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<b><span style=3D"font-weight:bold">Subject:</span></b> [Roll] New Version =
for draft-ietf-roll-useofrplinfo-38.txt<u></u><u></u></p>
</div>
</div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Dear all,<u></u><u></u></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">We have updated the document:<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">-=C2=A0 We add in Section 7.1.3. SM: Example of Flow from Root=
 to RUL, a case with no encapsulation (Figure 11)<u></u><u></u></span></fon=
t></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">- We add more clarification to the tables, e.g. in the Modifie=
d headers row, we changed IP-IP(RPI) to RPI - this indicates that only the =
RPI is modified and not the IP-IP.=C2=A0<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">- Adding text to explain the modifications.<u></u><u></u></spa=
n></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">- We eliminate the Hop-by-Hop re-encapuslation definition and =
following=C2=A0mention in the text, because it is not used.=C2=A0<u></u><u>=
</u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Diff:
<a href=3D"https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplin=
fo-38.txt" target=3D"_blank">
https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-38.txt</=
a><u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Comments welcome,<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Thank you,<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12pt"><font size=3D"2" face=
=3D"Calibri"><span style=3D"font-size:11pt">The authors.=C2=A0<u></u><u></u=
></span></font></p>
<div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">---------- Forwarded message ---------<br>
From: &lt;<a href=3D"mailto:internet-drafts@ietf.org" target=3D"_blank">int=
ernet-drafts@ietf.org</a>&gt;<br>
Date: Mon, Mar 23, 2020 at 6:41 PM<br>
Subject: New Version Notification for draft-ietf-roll-useofrplinfo-38.txt<b=
r>
To: Michael C. Richardson &lt;<a href=3D"mailto:mcr%2Bietf@sandelman.ca" ta=
rget=3D"_blank">mcr+ietf@sandelman.ca</a>&gt;, Pascal Thubert &lt;<a href=
=3D"mailto:pthubert@cisco.com" target=3D"_blank">pthubert@cisco.com</a>&gt;=
, Maria Ines Robles &lt;<a href=3D"mailto:mariainesrobles@gmail.com" target=
=3D"_blank">mariainesrobles@gmail.com</a>&gt;<u></u><u></u></span></font></=
p>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12pt"><font size=3D"2" face=
=3D"Calibri"><span style=3D"font-size:11pt"><br>
<br>
<br>
A new version of I-D, draft-ietf-roll-useofrplinfo-38.txt<br>
has been successfully submitted by Maria Ines Robles and posted to the<br>
IETF repository.<br>
<br>
Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-ietf-roll-useofrplinfo<=
br>
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A038<br>
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Using RPI Option Type, Routing Hea=
der for Source Routes and IPv6-in-IPv6 encapsulation in the RPL Data Plane<=
br>
Document date:=C2=A0 2020-03-23<br>
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 roll<br>
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 63<br>
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://www.ietf.o=
rg/internet-drafts/draft-ietf-roll-useofrplinfo-38.txt" target=3D"_blank">
https://www.ietf.org/internet-drafts/draft-ietf-roll-useofrplinfo-38.txt</a=
><br>
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.iet=
f.org/doc/draft-ietf-roll-useofrplinfo/" target=3D"_blank">https://datatrac=
ker.ietf.org/doc/draft-ietf-roll-useofrplinfo/</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/=
draft-ietf-roll-useofrplinfo-38" target=3D"_blank">https://tools.ietf.org/h=
tml/draft-ietf-roll-useofrplinfo-38</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org=
/doc/html/draft-ietf-roll-useofrplinfo" target=3D"_blank">https://datatrack=
er.ietf.org/doc/html/draft-ietf-roll-useofrplinfo</a><br>
Diff:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.o=
rg/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-38" target=3D"_blank">https:=
//www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-38</a><br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This document looks at different data flows through LLN (Low-P=
ower<br>
=C2=A0 =C2=A0and Lossy Networks) where RPL (IPv6 Routing Protocol for Low-P=
ower<br>
=C2=A0 =C2=A0and Lossy Networks) is used to establish routing.=C2=A0 The do=
cument<br>
=C2=A0 =C2=A0enumerates the cases where RFC6553 (RPI Option Type), RFC6554<=
br>
=C2=A0 =C2=A0(Routing Header for Source Routes) and IPv6-in-IPv6 encapsulat=
ion is<br>
=C2=A0 =C2=A0required in data plane.=C2=A0 This analysis provides the basis=
 on which to<br>
=C2=A0 =C2=A0design efficient compression of these headers.=C2=A0 This docu=
ment updates<br>
=C2=A0 =C2=A0RFC6553 adding a change to the RPI Option Type.=C2=A0 Addition=
ally, this<br>
=C2=A0 =C2=A0document updates RFC6550 defining a flag in the DIO Configurat=
ion<br>
=C2=A0 =C2=A0option to indicate about this change and updates [RFC8138] as =
well to<br>
=C2=A0 =C2=A0consider the new Option Type when the RPL Option is decompress=
ed.<br>
<br>
<br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" target=3D"_blank">
tools.ietf.org</a>.<br>
<br>
The IETF Secretariat<br>
<br>
<u></u><u></u></span></font></p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</span>
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Hi Dominique,

Many thanks again for your comments and proposed changes in the PR. Please
find some comments below,


On Wed, Apr 8, 2020 at 7:56 PM <dominique.barthel@orange.com> wrote:

> Hello all,
>
>
> More questions/comments:
>

In Section 5, leaf nodes G and J, which are assumed to "not speak RPL" are
> said to be referred as "IPv6 node" in this document. (seems to be used 4
> times, may not justify for a special name).
> However, RFC8504 uses "IPv6 node" to mean either "IPv6 host" or "IPv6
> router".
> I suggest we align terminology. Shall we call G and J "IPv6 hosts" instea=
d?
> On page 18, "IPv6 nodes" are said to include Internet routers.
>

[IR] I think it is better  to call G and J as a RUL instead IPv6
host/nodes. However, we could add in the definition that a RPL-unaware-leaf
refers to an IPv6 host.



Current:

RPL-unaware-node: A device which does not implement RPL, thus the

   device is not-RPL-aware.  Please note that the device can be found

   inside the LLN. -

RPL-Unaware-Leaf(RUL): A RPL-unaware-node that is also a RPL Leaf.



New:



RPL-unaware-node: same

 RPL-Unaware-Leaf(RUL): A RPL-unaware-node that is also a RPL Leaf. It is
an IPv6 host.



would it be ok?



>
> In Section 7.3.2:
> - the example provided (nodes F, D, B, E and G) does not include the
> 6LBR/root that the previous sentence mandates.
>
[IR] fixed:  Node F (RAL)--> Node D   --> Node B -->node A -->Node B -->
Node E --> Node G (RUL)



> - The text says that the Root removes the RPI1, but Figure 19 shows that
> is it left untouched.
>

[IR] To be fixed in the text: the root does not remove the RPI1.  the root
cannot remove an RPI if there is no encapsulation

>
> In Section 7.3.4:
> - the text says that the RPI is ignored at the RUL dst node, but Figure 2=
1
> shows that the RPI is removed at the parent 6LR and does not reach the RU=
L
> dst node.
>


[IR] To delete in text: The RPI is ignored at the RUL dst node.

>
> In Section 8.2.1:
> The table shows that the RPI is untouched but the 6LBR/Root. As noted
> earlier, Section 6 says that the 6LBR MUST set the DagRank to 0 when
> passing the packet to the Internet.
>

[IR] I understand that the senderRank is modified at the root (in case that
is not zero) for security purposes. Then, Section 7 has to be modified
accordingly as follows:



   -

   Case SM: Example of Flow from RAL to Internet (no encapsulation) the RPI
   in the 6LBR changed from Untouched header to Modified header
   -

   Case SM: Example of Flow from RAL to Internet (encapsulation) the RPI
   added in Modified header
   -

   Case Non-SM: Summary of the use of headers from RAL to Internet with no
   encapsulation. RPI moved to modified headers.


We could also add clarification in the text, stating that the RPI is
untouched in case the Rank is already 0.

what do you think?


> In Section 8.3.1:
> There is this strange statement "It should be able to remove the
> RPI(RPI1), as it was contained in an IPv6-in-IPv6 header addressed to it.
> Otherwise, =E2=80=A6". It looks like the authors are unsure.
> If the explanation is valid (when the IPv6-in-IPv6 header is addressed to
> one-self, then one can remove the header extensions together with the
> encapsulating header), then the statement should be affirmative: "it
> removes the RPI(RPI1)".
> Or are there situations where the explanation is false ?
>

[IR] Fixed as suggested: =E2=80=9CIt removes the  RPI(RPI1)=E2=80=9D

>
> In Section 8.3.1:
> SRH is used in the text, and RH3 in Figures 32 and 33. Overall, SRH is
> only used a few times in the document, and is not defined.
> "the IPv6 header is swapped with the SRH so both are changed alongside
> with the RPI2" =E2=80=94>  "Addresses in the IPv6 header are swapped with=
 that of
> the RH3, =E2=80=A6" ?
>
[IR] Changed to RH3


>
> In Section 9
> "(in either mode)": I suppose you are referring to storing and non-storin=
g
> modes. It is not obvious at this point in the text.
>

[IR] Add clarification in the text


> "An operator that finds itself with a lot of traffic". Does "a lot of
> traffic" change the conclusions?
>

[IR] I understand that with a high amount of traffic you might not want to
encapsulate. It is possible if the operator is certain of the  properties
of the leaf

>
> In Section 10:
> "In case that a node join to a network that only process 0x63": what does
> it mean that "a network processes 0x63"? What type of node "joins"?
> This paragraph needs rewriting.
>
> [IR] What about?
>
> As mentioned previously, indicating the new RPI in the DODAG Configuratio=
n
> option Flag is a way to avoid the flag day (lack of interoperation) in a
> network using 0x63 as the RPI Option Type value. It is suggested that RPL
> implementations accept both 0x63 and 0x23 RPI Option Type values when
> processing the header  to enable interoperability.
>
>

> That's all for me.
> Expect a PR with nit fix suggestions in the coming hours/day.
>

Many many thanks!

Ines

> Best regards
>
> Dominique
>
> De : Roll <roll-bounces@ietf.org> on behalf of Dominique Barthel <
> dominique.barthel@orange.com>
> R=C3=A9pondre =C3=A0 : "roll@ietf.org" <roll@ietf.org>
> Date : Wednesday 8 April 2020 16:33
> =C3=80 : "roll@ietf.org" <roll@ietf.org>
> Objet : Re: [Roll] New Version for draft-ietf-roll-useofrplinfo-38.txt
>
> 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> on behalf of "Pascal Thubert
> (pthubert)" <pthubert=3D40cisco.com@dmarc.ietf.org>
> R=C3=A9pondre =C3=A0 : "roll@ietf.org" <roll@ietf.org>
> Date : Monday 23 March 2020 18:57
> =C3=80 : "roll@ietf.org" <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> *On Behalf Of *Ines Robles
> *Sent:* lundi 23 mars 2020 17:52
> *To:* roll <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=3Ddraft-ietf-roll-useofrplinfo-38.txt
>
>
>
> Comments welcome,
>
>
>
> Thank you,
>
>
>
> The authors.
>
> ---------- Forwarded message ---------
> From: <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>, Pascal Thubert <
> pthubert@cisco.com>, Maria Ines Robles <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=3Ddraft-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.
>
>
>
>
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> The IETF Secretariat
>
> _________________________________________________________________________=
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> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages =
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--000000000000e9cef505a2dd3803
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Hi Dominique,<div><br></div><div>Many tha=
nks again for your comments and proposed changes in the PR. Please find som=
e comments below,</div><div><br></div></div><br><div class=3D"gmail_quote">=
<div dir=3D"ltr" class=3D"gmail_attr">On Wed, Apr 8, 2020 at 7:56 PM &lt;<a=
 href=3D"mailto:dominique.barthel@orange.com">dominique.barthel@orange.com<=
/a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0=
px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



<div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-seri=
f">
<div>Hello all,</div>
<div><br>
</div>
<div><br>
</div>
<div>More questions/comments:</div></div></blockquote><div><br></div><block=
quote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1=
px solid rgb(204,204,204);padding-left:1ex"><div style=3D"color:rgb(0,0,0);=
font-size:14px;font-family:Calibri,sans-serif"><div>In Section 5, leaf node=
s G and J, which are assumed to &quot;not speak RPL&quot; are said to be re=
ferred as &quot;IPv6 node&quot; in this document. (seems to be used 4 times=
, may not justify for a special name).<br></div>
<div>However, RFC8504 uses &quot;IPv6 node&quot; to mean either &quot;IPv6 =
host&quot; or &quot;IPv6 router&quot;.</div>
<div>I suggest we align terminology. Shall we call G and J &quot;IPv6 hosts=
&quot; instead?</div>
<div>On page 18, &quot;IPv6 nodes&quot; are said to include Internet router=
s.</div></div></blockquote><div><br></div><div><font color=3D"#000000" face=
=3D"Calibri, sans-serif"><span style=3D"font-size:13.3333px;white-space:pre=
-wrap">[IR] </span></font><span style=3D"background-color:transparent;color=
:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:10.5pt;white-space:pre=
-wrap">I think it is better=C2=A0 to call G and J as a RUL instead IPv6 hos=
t/nodes. However, we could add in the definition that a RPL-unaware-leaf re=
fers to an IPv6 host.=C2=A0</span><br></div><span id=3D"gmail-docs-internal=
-guid-038d7781-7fff-b181-965e-c6c155a6b6be"><p dir=3D"ltr" style=3D"line-he=
ight:1.38;margin-top:0pt;margin-bottom:0pt">=C2=A0</p><p dir=3D"ltr" style=
=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font-=
size:10.5pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-colo=
r:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;ve=
rtical-align:baseline;white-space:pre-wrap">Current: </span><span style=3D"=
font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background=
-color:transparent;font-variant-numeric:normal;font-variant-east-asian:norm=
al;vertical-align:baseline;white-space:pre-wrap"><span class=3D"gmail-Apple=
-tab-span" style=3D"white-space:pre">	</span></span></p><p dir=3D"ltr" styl=
e=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font=
-size:10pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color=
:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;ver=
tical-align:baseline;white-space:pre-wrap">RPL-unaware-node: A device which=
 does not implement RPL, thus the</span></p><p dir=3D"ltr" style=3D"line-he=
ight:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font-size:10pt;f=
ont-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent=
;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:=
baseline;white-space:pre-wrap">=C2=A0=C2=A0=C2=A0device is not-RPL-aware.=
=C2=A0 Please note that the device can be found</span></p><p dir=3D"ltr" st=
yle=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"fo=
nt-size:10pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-col=
or:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;v=
ertical-align:baseline;white-space:pre-wrap">=C2=A0=C2=A0=C2=A0inside the L=
LN. -</span></p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;mar=
gin-bottom:0pt"><span style=3D"background-color:transparent;color:rgb(0,0,0=
);font-family:Calibri,sans-serif;font-size:10pt;white-space:pre-wrap"> RPL-=
Unaware-Leaf(RUL): A RPL-unaware-node that is also a RPL Leaf.=C2=A0</span>=
</p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0=
pt">=C2=A0</p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margi=
n-bottom:0pt"><span style=3D"font-size:10pt;font-family:Calibri,sans-serif;=
color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;f=
ont-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"=
>New:=C2=A0</span></p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0=
pt;margin-bottom:0pt">=C2=A0</p><p dir=3D"ltr" style=3D"line-height:1.38;ma=
rgin-top:0pt;margin-bottom:0pt"><span style=3D"font-size:10pt;font-family:C=
alibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-varian=
t-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;whi=
te-space:pre-wrap">RPL-unaware-node: same</span></p><p dir=3D"ltr" style=3D=
"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font-siz=
e:10pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:tra=
nsparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertica=
l-align:baseline;white-space:pre-wrap">=C2=A0RPL-Unaware-Leaf(RUL): A RPL-u=
naware-node that is also a RPL Leaf. It is an IPv6 host.</span></p><p dir=
=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt">=C2=A0=
</p><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0=
pt"><span style=3D"font-size:10pt;font-family:Calibri,sans-serif;color:rgb(=
0,0,0);background-color:transparent;font-variant-numeric:normal;font-varian=
t-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">would it =
be ok?</span></p></span><br class=3D"gmail-Apple-interchange-newline"><div>=
=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style=3D=
"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-serif">
<div><br>
</div>
<div>In Section 7.3.2:</div>
<div>- the example provided (nodes F, D, B, E and G) does not include the 6=
LBR/root that the previous sentence mandates.</div></div></blockquote><div>=
[IR] fixed:<span style=3D"background-color:transparent;font-variant-numeric=
:normal;font-variant-east-asian:normal;font-size:10.5pt;font-family:Calibri=
,sans-serif;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap">=
=C2=A0 </span><span style=3D"background-color:transparent;font-variant-nume=
ric:normal;font-variant-east-asian:normal;font-size:10pt;font-family:Calibr=
i,sans-serif;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap"=
>Node F (RAL)--&gt; Node D =C2=A0 --&gt; Node B    --&gt;node  A --&gt;Node=
 B --&gt; Node E --&gt; Node G (RUL)</span></div><br class=3D"gmail-Apple-i=
nterchange-newline"><div>=C2=A0</div><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddin=
g-left:1ex"><div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calib=
ri,sans-serif">
<div>- The text says that the Root removes the RPI1, but Figure 19 shows th=
at is it left untouched.</div></div></blockquote><div><br></div><div><span =
style=3D"background-color:transparent;font-variant-numeric:normal;font-vari=
ant-east-asian:normal;font-size:10.5pt;font-family:Calibri,sans-serif;color=
:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap">[IR] To be fixed =
in the text: the root does not remove the RPI1. </span><span style=3D"font-=
variant-numeric:normal;font-variant-east-asian:normal;font-size:11pt;font-f=
amily:Calibri,sans-serif;vertical-align:baseline;white-space:pre-wrap">=C2=
=A0the root cannot remove an RPI if there is no encapsulation</span></div><=
blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-l=
eft:1px solid rgb(204,204,204);padding-left:1ex"><div style=3D"color:rgb(0,=
0,0);font-size:14px;font-family:Calibri,sans-serif"><div>=C2=A0</div>
<div>In Section 7.3.4:</div>
<div>- the text says that the RPI is ignored at the RUL dst node, but Figur=
e 21 shows that the RPI is removed at the parent 6LR and does not reach the=
 RUL dst node.</div></div></blockquote><div>=C2=A0</div><span id=3D"gmail-d=
ocs-internal-guid-09f65953-7fff-83db-18e4-554e892f4aaf"><p dir=3D"ltr" styl=
e=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font=
-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-col=
or:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;v=
ertical-align:baseline;white-space:pre-wrap">[IR] To delete in text: </span=
><span style=3D"font-size:10pt;font-family:Calibri,sans-serif;color:rgb(0,0=
,0);background-color:transparent;font-variant-numeric:normal;font-variant-e=
ast-asian:normal;vertical-align:baseline;white-space:pre-wrap">The RPI is i=
gnored at the RUL dst node.</span>=C2=A0</p></span><blockquote class=3D"gma=
il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2=
04,204);padding-left:1ex"><div style=3D"color:rgb(0,0,0);font-size:14px;fon=
t-family:Calibri,sans-serif">
<div><br>
</div>
<div>In Section 8.2.1:</div>
<div>The table shows that the RPI is untouched but the 6LBR/Root. As noted =
earlier, Section 6 says that the 6LBR MUST set the DagRank to 0 when passin=
g the packet to the Internet.</div></div></blockquote><div>=C2=A0</div><div=
><div>[IR] I understand that t<span style=3D"background-color:transparent;c=
olor:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:10.5pt;white-space=
:pre-wrap">he senderRank is modified at the root (in case that is not zero)=
 for security purposes. Then, Section 7 has to be modified accordingly  as =
follows:</span></div><span id=3D"gmail-docs-internal-guid-26d6edf4-7fff-e78=
e-90f9-b31856fa1ce0"><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0p=
t;margin-bottom:0pt">=C2=A0</p><ul style=3D"margin-top:0px;margin-bottom:0p=
x"><li style=3D"list-style-type:disc;font-size:10.5pt;font-family:Calibri,s=
ans-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeri=
c:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space=
:pre"><p style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span =
style=3D"font-size:10.5pt;background-color:transparent;font-variant-numeric=
:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:=
pre-wrap">Case </span><span style=3D"font-size:10pt;background-color:transp=
arent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-a=
lign:baseline;white-space:pre-wrap">SM: Example of Flow from RAL to Interne=
t (no encapsulation) the RPI in the 6LBR changed from Untouched header to M=
odified header</span></p></li><li style=3D"list-style-type:disc;font-size:1=
0.5pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:tran=
sparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical=
-align:baseline;white-space:pre"><p style=3D"line-height:1.38;margin-top:0p=
t;margin-bottom:0pt"><span style=3D"font-size:10.5pt;background-color:trans=
parent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-=
align:baseline;white-space:pre-wrap">Case </span><span style=3D"font-size:1=
0pt;background-color:transparent;font-variant-numeric:normal;font-variant-e=
ast-asian:normal;vertical-align:baseline;white-space:pre-wrap">SM: Example =
of Flow from RAL to Internet (encapsulation) the RPI added in Modified head=
er</span></p></li><li style=3D"list-style-type:disc;font-family:Calibri,san=
s-serif;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:=
normal;font-variant-east-asian:normal;vertical-align:baseline"><p style=3D"=
line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style=3D"font-size=
:13.3333px;white-space:pre-wrap">Case </span><span style=3D"background-colo=
r:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;fo=
nt-size:10pt;vertical-align:baseline;white-space:pre-wrap">Non-SM: Summary =
of the use of headers from RAL to Internet with no encapsulation. RPI moved=
 to modified headers.</span></p></li></ul><div><font color=3D"#000000" face=
=3D"Calibri, sans-serif"><span style=3D"font-size:13.3333px;white-space:pre=
-wrap"><br></span></font></div><div><font color=3D"#000000" face=3D"Calibri=
, sans-serif"><span style=3D"font-size:13.3333px;white-space:pre-wrap">We c=
ould also add clarification in the text, stating that the RPI is untouched =
in case the Rank is already 0.</span></font></div><div><span style=3D"color=
:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:13.3333px;white-space:=
pre-wrap"><br></span></div><div><span style=3D"color:rgb(0,0,0);font-family=
:Calibri,sans-serif;font-size:13.3333px;white-space:pre-wrap">w</span><span=
 style=3D"font-size:13.3333px;white-space:pre-wrap;color:rgb(0,0,0);font-fa=
mily:Calibri,sans-serif">hat do you think?</span></div></span></div><div>=
=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style=3D=
"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-serif"><div>
</div>
<div>In Section 8.3.1:</div>
<div>There is this strange statement &quot;It should be able to remove the =
RPI(RPI1), as it was contained in an IPv6-in-IPv6 header addressed to it. O=
therwise, =E2=80=A6&quot;. It looks like the authors are unsure.</div>
<div>If the explanation is valid (when the IPv6-in-IPv6 header is addressed=
 to one-self, then one can remove the header extensions together with the e=
ncapsulating header), then the statement should be affirmative: &quot;it re=
moves the RPI(RPI1)&quot;.</div>
<div>Or are there situations where the explanation is false ?</div></div></=
blockquote><div><br></div><div><span style=3D"background-color:transparent;=
font-variant-numeric:normal;font-variant-east-asian:normal;font-size:10.5pt=
;font-family:Calibri,sans-serif;color:rgb(0,0,0);vertical-align:baseline;wh=
ite-space:pre-wrap">[IR] Fixed as suggested: =E2=80=9C</span><span style=3D=
"background-color:transparent;font-variant-numeric:normal;font-variant-east=
-asian:normal;font-size:10pt;font-family:Calibri,sans-serif;color:rgb(0,0,0=
);vertical-align:baseline;white-space:pre-wrap">It removes the=C2=A0 RPI(RP=
I1)</span><span style=3D"background-color:transparent;font-variant-numeric:=
normal;font-variant-east-asian:normal;font-size:10.5pt;font-family:Calibri,=
sans-serif;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap">=
=E2=80=9D</span>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e=
x"><div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-s=
erif">
<div><br>
</div>
<div>In Section 8.3.1:</div>
<div>SRH is used in the text, and RH3 in Figures 32 and 33. Overall, SRH is=
 only used a few times in the document, and is not defined.</div>
<div>&quot;the IPv6 header is swapped with the SRH so both are changed alon=
gside with the RPI2&quot; =E2=80=94&gt; =C2=A0&quot;Addresses in the IPv6 h=
eader are swapped with that of the RH3, =E2=80=A6&quot; ?</div></div></bloc=
kquote><div><span style=3D"background-color:transparent;color:rgb(0,0,0);fo=
nt-family:Calibri,sans-serif;font-size:10.5pt;white-space:pre-wrap">[IR] Ch=
anged to RH3</span></div><div>=C2=A0</div><blockquote class=3D"gmail_quote"=
 style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);p=
adding-left:1ex"><div style=3D"color:rgb(0,0,0);font-size:14px;font-family:=
Calibri,sans-serif">
<div><br>
</div>
<div>In Section 9</div>
<div>&quot;(in either mode)&quot;: I suppose you are referring to storing a=
nd non-storing modes. It is not obvious at this point in the text.</div></d=
iv></blockquote><div><br></div><div><span style=3D"background-color:transpa=
rent;color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:10.5pt;white=
-space:pre-wrap">[IR] Add clarification in the text</span>=C2=A0</div><div>=
=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style=3D=
"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-serif">
<div>&quot;An operator that finds itself with a lot of traffic&quot;. Does =
&quot;a lot of traffic&quot; change the conclusions?</div></div></blockquot=
e><div><br></div><div></div><div><span id=3D"gmail-docs-internal-guid-9cb2f=
bf2-7fff-2a58-2580-7e525012e533"><span style=3D"font-size:10.5pt;font-famil=
y:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-var=
iant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;=
white-space:pre-wrap">[IR] I understand that with a high amount of traffic =
you might not want to encapsulate. It is possible if the operator is </span=
><span style=3D"font-size:10pt;font-family:Calibri,sans-serif;color:rgb(0,0=
,0);background-color:transparent;font-variant-numeric:normal;font-variant-e=
ast-asian:normal;vertical-align:baseline;white-space:pre-wrap">certain of t=
he=C2=A0 properties of the leaf</span></span><br></div><blockquote class=3D=
"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(2=
04,204,204);padding-left:1ex"><div style=3D"color:rgb(0,0,0);font-size:14px=
;font-family:Calibri,sans-serif">
<div><br>
</div>
<div>In Section 10:</div>
<div>&quot;In case that a node join to a network that only process 0x63&quo=
t;: what does it mean that &quot;a network processes 0x63&quot;? What type =
of node &quot;joins&quot;?</div>
<div>This paragraph needs rewriting.</div>
<div><span id=3D"gmail-docs-internal-guid-d4353227-7fff-bedd-1ff4-3544862e9=
576"><p dir=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:=
0pt"><span style=3D"font-size:10.5pt;background-color:transparent;font-vari=
ant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;w=
hite-space:pre-wrap">[IR] </span><span style=3D"font-size:10pt;background-c=
olor:transparent;font-variant-numeric:normal;font-variant-east-asian:normal=
;vertical-align:baseline;white-space:pre-wrap">What about?</span></p><p dir=
=3D"ltr" style=3D"line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span =
style=3D"font-size:10pt;background-color:transparent;font-variant-numeric:n=
ormal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pr=
e-wrap">As mentioned previously, indicating the new RPI in the DODAG Config=
uration option Flag is a way to avoid the flag day (lack of interoperation)=
 in a network using 0x63 as the RPI Option Type value. It is suggested that=
 RPL implementations accept both 0x63 and 0x23 RPI Option Type values when =
processing the header=C2=A0 to enable interoperability.</span></p></span><b=
r class=3D"gmail-Apple-interchange-newline"></div></div></blockquote><div>=
=C2=A0=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div st=
yle=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-serif"><div=
>
</div>
<div>That&#39;s all for me.</div>
<div>Expect a PR with nit fix suggestions in the coming hours/day.</div></d=
iv></blockquote><div><br></div><div>Many many thanks!</div><div><br></div><=
div>Ines</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px=
 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style=
=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-serif">
<div>Best regards</div>
<div><br>
</div>
<div>Dominique</div>
<div><br>
</div>
<span id=3D"gmail-m_-4842174358126552946OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri;font-size:11pt;text-align:left;color:blac=
k;border-width:1pt medium medium;border-style:solid none none;border-bottom=
-color:initial;border-left-color:initial;padding:3pt 0in 0in;border-top-col=
or:rgb(181,196,223);border-right-color:initial">
<span style=3D"font-weight:bold">De=C2=A0: </span>Roll &lt;<a href=3D"mailt=
o:roll-bounces@ietf.org" target=3D"_blank">roll-bounces@ietf.org</a>&gt; on=
 behalf of Dominique Barthel &lt;<a href=3D"mailto:dominique.barthel@orange=
.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt;<br>
<span style=3D"font-weight:bold">R=C3=A9pondre =C3=A0=C2=A0: </span>&quot;<=
a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &=
lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;=
<br>
<span style=3D"font-weight:bold">Date=C2=A0: </span>Wednesday 8 April 2020 =
16:33<br>
<span style=3D"font-weight:bold">=C3=80=C2=A0: </span>&quot;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &lt;<a href=3D"=
mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Objet=C2=A0: </span>Re: [Roll] New Version=
 for draft-ietf-roll-useofrplinfo-38.txt<br>
</div>
<div><br>
</div>
<div>
<div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-seri=
f">
<div>Hello all,</div>
<div><br>
</div>
<div>I&#39;m doing another pass at reviewing=C2=A0draft-ietf-roll-useofrpli=
nfo-38. I went as far as 7.2.1 at this time.</div>
<div>I&#39;ve found a few issues/questions.</div>
<div>After discussing them with Pascal, I&#39;ve submitted a Pull Request t=
hat addresses some of the questions,=C2=A0<a href=3D"https://github.com/rol=
l-wg/useofrplinfo/pull/9" target=3D"_blank">https://github.com/roll-wg/useo=
frplinfo/pull/9</a>, have a look and I&#39;m happy to discuss them.</div>
<div>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 lettin=
g the RPI go onto the Internet, and the corresponding example in Section 7,=
 which says that the RPI is untouched.
 I&#39;m not sure what the decision is about this.</div>
<div>Probably more questions/comments to follow as I progress through the d=
ocument.</div>
<div>Another PR with nit fixes as well.</div>
<div>Best regards</div>
<div><br>
</div>
<div>Dominique</div>
<div><br>
</div>
<span id=3D"gmail-m_-4842174358126552946OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri;font-size:11pt;text-align:left;color:blac=
k;border-width:1pt medium medium;border-style:solid none none;border-bottom=
-color:initial;border-left-color:initial;padding:3pt 0in 0in;border-top-col=
or:rgb(181,196,223);border-right-color:initial">
<span style=3D"font-weight:bold">De=C2=A0: </span>Roll &lt;<a href=3D"mailt=
o:roll-bounces@ietf.org" target=3D"_blank">roll-bounces@ietf.org</a>&gt; on=
 behalf of &quot;Pascal Thubert (pthubert)&quot; &lt;<a href=3D"mailto:pthu=
bert=3D40cisco.com@dmarc.ietf.org" target=3D"_blank">pthubert=3D40cisco.com=
@dmarc.ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">R=C3=A9pondre =C3=A0=C2=A0: </span>&quot;<=
a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &=
lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;=
<br>
<span style=3D"font-weight:bold">Date=C2=A0: </span>Monday 23 March 2020 18=
:57<br>
<span style=3D"font-weight:bold">=C3=80=C2=A0: </span>&quot;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &lt;<a href=3D"=
mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Objet=C2=A0: </span>Re: [Roll] New Version=
 for draft-ietf-roll-useofrplinfo-38.txt<br>
</div>
<div><br>
</div>
<div>


<div lang=3D"EN-US">
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Dear Ines:<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">I checked and found it ready for publication.<u></u><u></u></s=
pan></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Many thanks for your patience!<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Be safe;<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Pascal<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<div style=3D"border-top:none;border-right:none;border-bottom:none;border-l=
eft:1.5pt solid blue;padding:0cm 0cm 0cm 4pt">
<div>
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Calibri"><span style=3D"=
font-size:11pt;font-weight:bold">From:</span></font></b> Roll &lt;<a href=
=3D"mailto:roll-bounces@ietf.org" target=3D"_blank">roll-bounces@ietf.org</=
a>&gt;
<b><span style=3D"font-weight:bold">On Behalf Of </span></b>Ines Robles<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> lundi 23 mars 2020 17:=
52<br>
<b><span style=3D"font-weight:bold">To:</span></b> roll &lt;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<b><span style=3D"font-weight:bold">Subject:</span></b> [Roll] New Version =
for draft-ietf-roll-useofrplinfo-38.txt<u></u><u></u></p>
</div>
</div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Dear all,<u></u><u></u></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">We have updated the document:<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">-=C2=A0 We add in Section 7.1.3. SM: Example of Flow from Root=
 to RUL, a case with no encapsulation (Figure 11)<u></u><u></u></span></fon=
t></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">- We add more clarification to the tables, e.g. in the Modifie=
d headers row, we changed IP-IP(RPI) to RPI - this indicates that only the =
RPI is modified and not the IP-IP.=C2=A0<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">- Adding text to explain the modifications.<u></u><u></u></spa=
n></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">- We eliminate the Hop-by-Hop re-encapuslation definition and =
following=C2=A0mention in the text, because it is not used.=C2=A0<u></u><u>=
</u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Diff:
<a href=3D"https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplin=
fo-38.txt" target=3D"_blank">
https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-38.txt</=
a><u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Comments welcome,<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Thank you,<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12pt"><font size=3D"2" face=
=3D"Calibri"><span style=3D"font-size:11pt">The authors.=C2=A0<u></u><u></u=
></span></font></p>
<div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">---------- Forwarded message ---------<br>
From: &lt;<a href=3D"mailto:internet-drafts@ietf.org" target=3D"_blank">int=
ernet-drafts@ietf.org</a>&gt;<br>
Date: Mon, Mar 23, 2020 at 6:41 PM<br>
Subject: New Version Notification for draft-ietf-roll-useofrplinfo-38.txt<b=
r>
To: Michael C. Richardson &lt;<a href=3D"mailto:mcr%2Bietf@sandelman.ca" ta=
rget=3D"_blank">mcr+ietf@sandelman.ca</a>&gt;, Pascal Thubert &lt;<a href=
=3D"mailto:pthubert@cisco.com" target=3D"_blank">pthubert@cisco.com</a>&gt;=
, Maria Ines Robles &lt;<a href=3D"mailto:mariainesrobles@gmail.com" target=
=3D"_blank">mariainesrobles@gmail.com</a>&gt;<u></u><u></u></span></font></=
p>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12pt"><font size=3D"2" face=
=3D"Calibri"><span style=3D"font-size:11pt"><br>
<br>
<br>
A new version of I-D, draft-ietf-roll-useofrplinfo-38.txt<br>
has been successfully submitted by Maria Ines Robles and posted to the<br>
IETF repository.<br>
<br>
Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-ietf-roll-useofrplinfo<=
br>
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A038<br>
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Using RPI Option Type, Routing Hea=
der for Source Routes and IPv6-in-IPv6 encapsulation in the RPL Data Plane<=
br>
Document date:=C2=A0 2020-03-23<br>
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 roll<br>
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 63<br>
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://www.ietf.o=
rg/internet-drafts/draft-ietf-roll-useofrplinfo-38.txt" target=3D"_blank">
https://www.ietf.org/internet-drafts/draft-ietf-roll-useofrplinfo-38.txt</a=
><br>
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.iet=
f.org/doc/draft-ietf-roll-useofrplinfo/" target=3D"_blank">https://datatrac=
ker.ietf.org/doc/draft-ietf-roll-useofrplinfo/</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/=
draft-ietf-roll-useofrplinfo-38" target=3D"_blank">https://tools.ietf.org/h=
tml/draft-ietf-roll-useofrplinfo-38</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org=
/doc/html/draft-ietf-roll-useofrplinfo" target=3D"_blank">https://datatrack=
er.ietf.org/doc/html/draft-ietf-roll-useofrplinfo</a><br>
Diff:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.o=
rg/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-38" target=3D"_blank">https:=
//www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-38</a><br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This document looks at different data flows through LLN (Low-P=
ower<br>
=C2=A0 =C2=A0and Lossy Networks) where RPL (IPv6 Routing Protocol for Low-P=
ower<br>
=C2=A0 =C2=A0and Lossy Networks) is used to establish routing.=C2=A0 The do=
cument<br>
=C2=A0 =C2=A0enumerates the cases where RFC6553 (RPI Option Type), RFC6554<=
br>
=C2=A0 =C2=A0(Routing Header for Source Routes) and IPv6-in-IPv6 encapsulat=
ion is<br>
=C2=A0 =C2=A0required in data plane.=C2=A0 This analysis provides the basis=
 on which to<br>
=C2=A0 =C2=A0design efficient compression of these headers.=C2=A0 This docu=
ment updates<br>
=C2=A0 =C2=A0RFC6553 adding a change to the RPI Option Type.=C2=A0 Addition=
ally, this<br>
=C2=A0 =C2=A0document updates RFC6550 defining a flag in the DIO Configurat=
ion<br>
=C2=A0 =C2=A0option to indicate about this change and updates [RFC8138] as =
well to<br>
=C2=A0 =C2=A0consider the new Option Type when the RPL Option is decompress=
ed.<br>
<br>
<br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" target=3D"_blank">
tools.ietf.org</a>.<br>
<br>
The IETF Secretariat<br>
<br>
<u></u><u></u></span></font></p>
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<pre>______________________________________________________________________=
___________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.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: Thu, 9 Apr 2020 16:56:06 +0000
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From: Rahul Jadhav <rahul.ietf@gmail.com>
Date: Fri, 10 Apr 2020 16:10:57 +0800
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Please find my rsps inline.

Best,
Rahul

On Fri, 10 Apr 2020 at 00:46, Pascal Thubert (pthubert)
<pthubert=3D40cisco.com@dmarc.ietf.org> wrote:
>
> Many thanks Rahul!
>
> I hope all is going right for you and your family;

[RJ] All is well, many thanks. And hope the same for you and all.

>
> Let's see below, I need more precisions from you:
>
> > 1. The draft requires that the first registration (EDAR/EDAC) is direct=
ly
> > handshaked with the 6LBR but all the subsequent refreshes using DAO/DAO=
-
> > ACK goes through the Root which in turn generates anonymous EDAR/EDAC
> > handshaked with the 6LBR.
> > **Can't we have the 6LR simply use DAO always to Root which generates t=
he
> > EDAR(with ROVR)/EDAC to 6LBR?** This would simplify the handling of 6LR=
.
>
> Here is why: The 6LR does the traditional DAD and ensures that the addres=
s is not a duplicate before it injects it in RPL.
>
> On paper DAD is really a special operation that allows the address in the=
 network. Using the address before DAD is against IPv6 and prone to attacks=
.
>
>
> E.g., if we skip that step, and RPL is not aware of the new ROVR field, t=
hen in storing mode the duplicate will take over the path as the DAO progre=
sses upwards, and that's not desirable security-wise. When the Root comes b=
ack with a NPDAO, it's too late. At the moment, we do not change RPL to pro=
cess the ROVR. Hopefully in the future we'll do more.
>
> Arguably in non-storing we could do it because the flow is nested and the=
 root can check with the 6LBR before it updates its state. That would be an=
 even deeper integration of RPL and ND. Is that more useful than dangerous?

[RJ] I get the proposition now. I guess, it's better to leave the
initial EDAR/EDAC flow separate in all cases as specified in the
draft.
Another thing is the retry policy. EDAR/EDAC is sent multi hops away
and the loss probability is too high in our networks. It would be
great if implementers have some idea on what basis and how many times
to retry if the EDAC is not received. Wondering if this is covered in
other drafts, and I skimmed through 8505 without finding anything.
Ideally, a 6LR should make itself available for RULs only once it has
itself joined the network. In case of storing mode, we know from our
experience, this is not easy to ascertain (i.e., DAO-ACK does not mean
that end to end path is estd). But I guess, the worst case is that
EDAC will be lost and will be retried. But not sure who does the
retry, the RUL or the 6LR itself?

Also, the draft should make it clear that the 6LR should attempt the
DAO for the RUL only when the initial registration is successful. Not
doing this would possibly result in DAO for RUL reaching before
initial EDAR to the root causing problems (DAO reaching before would
mean the generation of anonymous EDAR and since 6LBR will not have an
entry it would answer "Removed" which in turn would be used as Status
in DAO-ACK)

>
> > With the updated target option it is now possible to send ROVR in targe=
t
> > option in a backward-compatible fashion. The root is anyways handling t=
he
> > anonymous EDAR/EDAC and thus has all the required handling needed to
> > proxy non-anonymous EDAR/EDAC. Also, the de-registration is also handle=
d
> > through Root which means Root also has to proxy non-anonymous
> > EDAR/EDAC in that case? The de-registration case is not clarified in th=
e Figures
> > 7,8,9.
>
> You're right we should add text on the deactivation of the state.
>
> If the root cannot do non-anonymous then the state will stay as is in the=
 6LBR if an anonymous EDAR comes in with lifetime 0. The idea is really to =
add the ROVR to the DAO.
>
> I will:
> 1) add figures for flows with lifetime=3D0
[RJ] Thanks
> 2) add text in the 6LBR section that indicates that a lifetime 0 is ignor=
ed in an anonymous EDAR. This is implicit already
> "
>   an anonymous message can only increase the lifetime and/or increment th=
e TID of an existing state at the 6LBR.
> "
[RJ] Making it explicit will help.

> 3) There is no mandate for using the ROVR in the target option. It is a S=
HOULD, should it be a MUST?

[RJ] The ROVR will be a MUST only when a DAO for RUL is sent with a
lifetime of zero by the 6LR. If this is what you mean then yes, I
think it should be a MUST.

>
>
> >
> > 2. The document introduces the term RAN for any RPL aware node which ca=
n
> > act as a parent node for the RUL. But in the document, subsequently, th=
e term

> > 6LR is used to depict the parent node with which the RUL attaches. Wond=
ering
> > why? Isn't RAN the appropriate term to be used?
> >
>
> This is by reference to RFC 8505, to echo what happens there. Wouldn't th=
e use of RAN blur things?

[RJ] Yep it would blur when you read it in context to 8505. The only
reason why I brought this up is that without been routing-aware the
6LR cant handle things on behalf of RUL. We will just let this be as
it is.

>
>
> > 3. Section 9.2.2: "If a 6LR receives a valid NS(EARO) message with the =
"R" flag
> > reset and a Registration Lifetime that is not 0, and the 6LR was redist=
ributing
> > the Registered Address due to previous NS(EARO) messages with the flag =
set,
> > then it MUST stop injecting the address."
> > In this case, should the 6LR also evict the corresponding NCE?
>
> The NCE does not depend on the "R" flag. The flag controls the redistribu=
tion into RPL only.

[RJ] ok. Is there any scenario where RUL will reset 'R' flag
subsequently after setting it? I am wondering if 6LR should invalidate
the path when it gets 'R' flag is reset.

>
> >
> > 4. Section 9.2.3: "the Registration Lifetime is adapted from the Path L=
ifetime
> > in the TIO by converting the Lifetime Units used in RPL into units of 6=
0
> > seconds used in the 6LoWPAN ND messages;"
> > The unit of lifetime for RPL is not a multiple of 60sec like that of 6l=
o ND. Thus
> > it is possible that absolute conversion is not possible in some cases. =
I guess
> > the implementation should round-up in this case?
>
> Yes, I can add "rounded up to the upper value". Is that OK?

[RJ] Yep

>
>
> >
> > 5. Section 5 ... "anonymous message can only increase the lifetime"
> > ... It should be "anonymous message can only update the lifetime"
>
> I really meant that in terms of configuration, it can only increase the d=
uration of the lifetime parameter but not reduce it, e.g., to 0. A lifetime=
 value of less than the current value will trigger a restart of the current=
 value.
>
> That behavior on an anonymous can really be discussed. Think that anyone =
could send it, what change can we allow it to cause?

[RJ]  thought it is possible for intermediate 6LRs to generate DAO on
behalf of RUL without any direct trigger from the RUL. In this case,
the lifetime will be a lower non-zero value.

>
> >
> > 6. Section 9.1 ... "On the first Address Registration, illustrated in F=
igure 5 and
> > Figure 8" ... Figure 8 currently does not show first address registrati=
on.
> >
>
> Oups fig 8 it was repurposed, because it was too obvious. Fixed in github=
. The paragraph becomes
>
> "
>    On the first Address Registration, illustrated in Figure 5 for RPL
>    Non-Storing Mode, the Extended Duplicate Address exchange takes place
>    as prescribed by [RFC8505].  Any combination of the logical functions
>    of 6LR, Root and 6LBR might be collapsed in a single node.
> "
> > 7. Nits:
> > Sec 9.2.2 "that is sends in response" -> "that is sent in response"
> Actually I meant "it sends" : )
>
> > Sec 10: "unicast to each if the interested children" -> "unicast to eac=
h of the
> > interested children"
>
>
> > Sec 10: "Layer-2 acknoledgement" -> "Layer-2 acknowledgement"
>
> > Sec 11: " whereby the it is possible to validate" ->  "whereby it is po=
ssible to
> > validate"
> > Sec 12.4: "DAO-ACK and RCO" -> "DAO-ACK and DCO"
>
> > Appendix A: " Follows the RPI-6LoRH and then the IP-in-IP 6LoRH." -> Ne=
ed to
> > be rephrased
>
> Wasn't that high poetry?
[RJ] Indeed it was and like any other high poetry, I couldn't
understand a thing! :-)

Changed to
>
>    The SRH-6LoRHs are followed by RPI-6LoRH and then the IP-in-IP 6LoRH.
>    When the IP-in-IP 6LoRH is removed, all the 6LoRH Headers that
>    precede it are also removed.
>
[RJ] Great, Thanks.


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From: Rahul Jadhav <rahul.ietf@gmail.com>
Date: Fri, 10 Apr 2020 16:34:05 +0800
Message-ID: <CAO0Djp3p=oYLaUa03wp68Cr+9UxCuLZqykhiNo3kiHi1sqt2bA@mail.gmail.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: [Roll] enrollment priority
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Hi Michael,

Following are my thoughts about this work:

IMO, the enrollment-priority is needed for all the use-cases mentioned
in the draft and we had ourselves faced problems [1] where this could
have helped.

The draft may not give a mechanism to calculate min-priority and I
assume there won't be just a single way to calculate it. The draft can
simply mention that value of 127 means that the proxy is not available
for the join process and the draft already does this.

The draft should make it clear that the min-priority can only be
reduced or kept the same (i.e., the min-priority absolute value can
only increase, thus reducing priority) going downstream in the
sub-DODAG. For e.g., if a 6LR sets the min-priority to 10, the
downstream 6LRs can only set the value >= 10 in their min-priority.

Consider the following scenario (the attached image will help explain):
Node C's preferred parent is node B and alt parent is node A. What
happens if the min-priority of node B changes to 127 after the node C
has joined the network with B as a preferred parent? I am assuming
that the min-priority impacts only the newly joining nodes i.e., once
node B changes the priority to 127 then node C also changes the
priority to 127 and thus no new nodes join. However, the change in
node B's min-priority may not impact node C's decision to continue
using node B as the preferred parent (?). What happens when node C has
alternate parent node A whose priority is lesser than 127. Should node
C switch to node A so as to allow new downstream nodes to join the
network?

I don't believe there would be backward compatibility issues with this
new option, but the draft can clarify this explicitly.

We tried working on a problem-statement in the past in LWIG [1] which
talked about how to handle the case where some upstream nodes cache
(routing/neighbor) is full and how would it stop the new downstream
nodes to attach in that path. Enrollment priority was referenced as a
possible solution.

Best,
Rahul

[1] https://tools.ietf.org/html/draft-ietf-lwig-nbr-mgmt-policy-03

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Reviewer: Shwetha Bhandari
Review result: Ready with Nits

This specification extends RFC6550 and RFC8505 to provide routing services to
Hosts called RPL Unaware Leaves that implement 6LoWPAN ND but do not
participate to RPL. This specification also enables the RPL Root to proxy the
6LoWPAN keep-alive flows in its DODAG. This draft is well written and covers
the updates to 6550 and 8505 along with detailed rules for behavior of 6LN
acting as a RPL Unaware Leaf(RUL), was 6LR, 6LBR and DODAG root to support
unicast and multicast routing of packets to and from RUL.

Some nits/comments/questions follow:

1. "The new "P" flag is defined only for MOP value between 0 to 6. "he new "P"
flag is defined only for MOP value between 0 to 6.  For a MOP value of 7 or
above, the flag MAY indicate something different and MUST NOT be interpreted as
"Root Proxies  EDAR/EDAC" unless the MOP specifies it : Given that currently on
0 - 5 MOP are specified and should this be changed to  MOP 6 and above P flag
may indicate according to a future specification? 2.  Resizing of fields and
changes to existing IANA registries :
      2.1: Resizing the ARO Status values - The proposed update seems file
      considering the 53 ARO status values that would still be available. There
      appear to be no backward compatibility issues either.
       2.2: Section12.3. RPL Target Option Flags - This specification reduces
       the field to 4 bits. - This looks fine as there are no flags defined
       since RFC 6550 created the flags registry for target options.
3. Towards the end of Section 9.2.1 the specification mentions a RUL that is
RPL minimal awareness, this is a bit under specified - "A RUL is not expected
to produce RPL artifacts in the data packets,  but it MAY do so." -> is this
necessary? Why would an 6LN implementation be built with minimal awareness and
capability to build RPI? is there a benefit in doing this?. 4. IANA registry
for acceptance and rejection status values - Section 12.4 and 12.5: Only
reserve 0 Unqualified rejection/acceptable. However Section 7 specifies copying
ARO status into the field where in acceptance/rejection status: "When building
a DCO or a DAO-ACK message upon an IPv6 ND NA or a DAC message, the RPL Root
MUST copy the ARO Status unchanged in a RPL Status with the 'A' bit set. The
RPL Root MUST set the 'E' flag for all values in range 1-10 which are all
considered rejections" - Shouldn't the registry account for existing ARO status
codes in the rejection registry? - ARO status is a 8 bit field  while RPL
status has only 6 bits. While currently there are only 10 status codes defined
for ARO, however in future MUST copy may truncate the top 2 bits of the field.



From nobody Fri Apr 10 14:44:20 2020
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Subject: Re: [Roll] enrollment priority
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--=-=-=
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Rahul Jadhav <rahul.ietf@gmail.com> wrote:
    > The draft should make it clear that the min-priority can only be
    > reduced or kept the same (i.e., the min-priority absolute value can
    > only increase, thus reducing priority) going downstream in the
    > sub-DODAG. For e.g., if a 6LR sets the min-priority to 10, the
    > downstream 6LRs can only set the value >= 10 in their min-priority.

I will add, to section 2:

    > Consider the following scenario (the attached image will help explain):
    > Node C's preferred parent is node B and alt parent is node A. What
    > happens if the min-priority of node B changes to 127 after the node C
    > has joined the network with B as a preferred parent? I am assuming
    > that the min-priority impacts only the newly joining nodes i.e., once
    > node B changes the priority to 127 then node C also changes the
    > priority to 127 and thus no new nodes join. However, the change in
    > node B's min-priority may not impact node C's decision to continue
    > using node B as the preferred parent (?). What happens when node C has
    > alternate parent node A whose priority is lesser than 127. Should node
    > C switch to node A so as to allow new downstream nodes to join the
    > network?

First, I think that if node C had a MP of 127, then it would *NOT* advertise
itself as a Join Proxy.  So if it was sending Enhanced Beacons, then it
would:
  a) set proxy prio to 0x7f.
  b) maybe even stop sending EBs [have to think about this]
  c) not accept any unencrypted traffic!

so yeah, node D would be out of luck.

If node C *does* change to node A, then it would change it's priority.
But it has to do that, and maybe there are reasons why A won't accept it.

    > I don't believe there would be backward compatibility issues with this
    > new option, but the draft can clarify this explicitly.

I have added:

  This document uses the extensions mechanism designed into {{!RFC6550}}.
  It does not need any mechanism to enable it.

  6LRs that support this option, but whose parent does not send it SHOULD
  assume a value of 0x40 as their base value.
  The nodes adjust this base value based upon their observed congestion,
  emitting their adjusted DIO value to their children.


(0x40 is my wet-finger-in-the-air, seat-of-the-pants guess)

    > We tried working on a problem-statement in the past in LWIG [1] which
    > talked about how to handle the case where some upstream nodes cache
    > (routing/neighbor) is full and how would it stop the new downstream
    > nodes to attach in that path. Enrollment priority was referenced as a
    > possible solution.

Good.  Would more informative cross-references help?
Do you want to co-author?

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        |    IoT architect   [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [


--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-




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--=-=-=
Content-Type: text/plain

Shwetha Bhandari via Datatracker <noreply@ietf.org> wrote:
    > 1. "The new "P" flag is defined only for MOP value between 0 to 6. "he new "P"
    > flag is defined only for MOP value between 0 to 6.  For a MOP value of 7 or
    > above, the flag MAY indicate something different and MUST NOT be interpreted as
    > "Root Proxies  EDAR/EDAC" unless the MOP specifies it : Given that currently on
    > 0 - 5 MOP are specified and should this be changed to  MOP 6 and above P flag
    > may indicate according to a future specification? 2.  Resizing of

For MOP=7, ROLL has a document "mopex" which lets us add expanded values.
Moving to mopex will in some ways be an RPL v2.0.

When we get there, the WG has made it clear that it would be up to the
definor of that mode to say which flags they want to keep or reuse.
We think that a lot of behaviours will be "given", and not need to be
signaled, so we'll get those flags back.

That's why we define it for MOP 0 to 6 only.

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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] enrollment priority
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/FKP2l2DfygxkQoBnSdM7Z7EApfk>
Subject: Re: [Roll] enrollment priority
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--_000_BM1PR01MB402069CD033662DD56D11B0BA9DF0BM1PR01MB4020INDP_
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Please find my resps inline.

Best,
Rahul

________________________________

    > Consider the following scenario (the attached image will help explain=
):
    > Node C's preferred parent is node B and alt parent is node A. What
    > happens if the min-priority of node B changes to 127 after the node C
    > has joined the network with B as a preferred parent? I am assuming
    > that the min-priority impacts only the newly joining nodes i.e., once
    > node B changes the priority to 127 then node C also changes the
    > priority to 127 and thus no new nodes join. However, the change in
    > node B's min-priority may not impact node C's decision to continue
    > using node B as the preferred parent (?). What happens when node C ha=
s
    > alternate parent node A whose priority is lesser than 127. Should nod=
e
    > C switch to node A so as to allow new downstream nodes to join the
    > network?

First, I think that if node C had a MP of 127, then it would *NOT* advertis=
e
itself as a Join Proxy.

[RJ] Consider non-6tisch case, where the 6LR's resources are full and does =
not want any new nodes to connect to it. In this case, it still needs to ad=
vertise its DIO for all the existing nodes which have already joined throug=
h it. The new nodes will see MP=3D127 and hence won't join. But the gist is=
, Node C has to keep advertising for all its existing nodes. It cannot stop=
 sending DIOs.

So if it was sending Enhanced Beacons, then it
would:
  a) set proxy prio to 0x7f.
  b) maybe even stop sending EBs [have to think about this]
[RJ] Not sure in case of 6tisch too if it can stop sending EBs? Since it ma=
y be needed for existing nodes who have already joined.
  c) not accept any unencrypted traffic!

so yeah, node D would be out of luck.

If node C *does* change to node A, then it would change it's priority.
But it has to do that, and maybe there are reasons why A won't accept it.

[RJ] Sure node A might have its own reasons to not accept it, but the MP su=
ggests that it is willing to accept node C. The problem is when node C swit=
ches to Node A, the whole sub-DODAG rooted at C switches and this may resul=
t in node A's MP to reach 127. Since node B is now free, it's MP value will=
 decrease. This can result in oscillations in the network.
At the very least these scenarios can be provided to the reader and if poss=
ible some mechanism/guideline to handle it.

    > I don't believe there would be backward compatibility issues with thi=
s
    > new option, but the draft can clarify this explicitly.

I have added:

  This document uses the extensions mechanism designed into {{!RFC6550}}.
  It does not need any mechanism to enable it.

  6LRs that support this option, but whose parent does not send it SHOULD
  assume a value of 0x40 as their base value.
  The nodes adjust this base value based upon their observed congestion,
  emitting their adjusted DIO value to their children.


(0x40 is my wet-finger-in-the-air, seat-of-the-pants guess)

[RJ] Consider that a 6LR who does not support MP gets a DIO with MP=3D127. =
The 6LR will ignore the MP field and sends it DIO without MP and the downst=
ream nodes will assume an MP of 0x40! This may be a problem.

    > We tried working on a problem-statement in the past in LWIG [1] which
    > talked about how to handle the case where some upstream nodes cache
    > (routing/neighbor) is full and how would it stop the new downstream
    > nodes to attach in that path. Enrollment priority was referenced as a
    > possible solution.

Good.  Would more informative cross-references help?
Do you want to co-author?
[RJ] Yes, I would love to work on this problem statement.

--_000_BM1PR01MB402069CD033662DD56D11B0BA9DF0BM1PR01MB4020INDP_
Content-Type: text/html; charset="iso-8859-1"
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
1">
<style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo=
ttom:0;} </style>
</head>
<body dir=3D"ltr">
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Please find my resps inline.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Best,</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Rahul</div>
<div id=3D"appendonsend"></div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt; col=
or:rgb(0,0,0)">
<br>
</div>
<hr tabindex=3D"-1" style=3D"display:inline-block; width:98%">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><br>
</div>
<div class=3D"BodyFragment"><font size=3D"2"><span style=3D"font-size:11pt"=
>
<div class=3D"PlainText">&nbsp;&nbsp;&nbsp; &gt; Consider the following sce=
nario (the attached image will help explain):<br>
&nbsp;&nbsp;&nbsp; &gt; Node C's preferred parent is node B and alt parent =
is node A. What<br>
&nbsp;&nbsp;&nbsp; &gt; happens if the min-priority of node B changes to 12=
7 after the node C<br>
&nbsp;&nbsp;&nbsp; &gt; has joined the network with B as a preferred parent=
? I am assuming<br>
&nbsp;&nbsp;&nbsp; &gt; that the min-priority impacts only the newly joinin=
g nodes i.e., once<br>
&nbsp;&nbsp;&nbsp; &gt; node B changes the priority to 127 then node C also=
 changes the<br>
&nbsp;&nbsp;&nbsp; &gt; priority to 127 and thus no new nodes join. However=
, the change in<br>
&nbsp;&nbsp;&nbsp; &gt; node B's min-priority may not impact node C's decis=
ion to continue<br>
&nbsp;&nbsp;&nbsp; &gt; using node B as the preferred parent (?). What happ=
ens when node C has<br>
&nbsp;&nbsp;&nbsp; &gt; alternate parent node A whose priority is lesser th=
an 127. Should node<br>
&nbsp;&nbsp;&nbsp; &gt; C switch to node A so as to allow new downstream no=
des to join the<br>
&nbsp;&nbsp;&nbsp; &gt; network?<br>
<br>
First, I think that if node C had a MP of 127, then it would *NOT* advertis=
e<br>
itself as a Join Proxy.&nbsp;&nbsp;</div>
<div class=3D"PlainText"><br>
</div>
<div class=3D"PlainText">[RJ] Consider non-6tisch case, where the 6LR's res=
ources are full and does not want any new nodes to connect to it. In this c=
ase, it still needs to advertise its DIO for all the existing nodes which h=
ave already joined through it. The
 new nodes will see MP=3D127 and hence won't join. But the gist is, Node C =
has to keep advertising for all its existing nodes. It cannot stop sending =
DIOs.</div>
<div class=3D"PlainText"><br>
</div>
<div class=3D"PlainText">So if it was sending Enhanced Beacons, then it<br>
would:<br>
&nbsp; a) set proxy prio to 0x7f.<br>
&nbsp; b) maybe even stop sending EBs [have to think about this]</div>
<div class=3D"PlainText">[RJ] Not sure in case of 6tisch too if it can stop=
 sending EBs? Since it may be needed for existing nodes who have already jo=
ined.</div>
<div class=3D"PlainText">&nbsp; c) not accept any unencrypted traffic!<br>
<br>
so yeah, node D would be out of luck.<br>
<br>
If node C *does* change to node A, then it would change it's priority.<br>
But it has to do that, and maybe there are reasons why A won't accept it.</=
div>
<div class=3D"PlainText"><br>
</div>
<div class=3D"PlainText">[RJ] Sure node A might have its own reasons to not=
 accept it, but the MP suggests that it is willing to accept node C. The pr=
oblem is when node C switches to Node A, the whole sub-DODAG rooted at C sw=
itches and this may result in node
 A's MP to reach 127. Since node B is now free, it's MP value will decrease=
. This can result in oscillations in the network.</div>
<div class=3D"PlainText">At the very least these scenarios can be provided =
to the reader and if possible some mechanism/guideline to handle it.<br>
<br>
&nbsp;&nbsp;&nbsp; &gt; I don't believe there would be backward compatibili=
ty issues with this<br>
&nbsp;&nbsp;&nbsp; &gt; new option, but the draft can clarify this explicit=
ly.<br>
<br>
I have added:<br>
<br>
&nbsp; This document uses the extensions mechanism designed into {{!RFC6550=
}}.<br>
&nbsp; It does not need any mechanism to enable it.<br>
<br>
&nbsp; 6LRs that support this option, but whose parent does not send it SHO=
ULD<br>
&nbsp; assume a value of 0x40 as their base value.<br>
&nbsp; The nodes adjust this base value based upon their observed congestio=
n,<br>
&nbsp; emitting their adjusted DIO value to their children.<br>
<br>
<br>
(0x40 is my wet-finger-in-the-air, seat-of-the-pants guess)</div>
<div class=3D"PlainText"><br>
</div>
<div class=3D"PlainText">[RJ] Consider that a 6LR who does not support MP g=
ets a DIO with MP=3D127. The 6LR will ignore the MP field and sends it DIO =
without MP and the downstream nodes will assume an MP of 0x40! This may be =
a problem.&nbsp;&nbsp;<br>
<br>
&nbsp;&nbsp;&nbsp; &gt; We tried working on a problem-statement in the past=
 in LWIG [1] which<br>
&nbsp;&nbsp;&nbsp; &gt; talked about how to handle the case where some upst=
ream nodes cache<br>
&nbsp;&nbsp;&nbsp; &gt; (routing/neighbor) is full and how would it stop th=
e new downstream<br>
&nbsp;&nbsp;&nbsp; &gt; nodes to attach in that path. Enrollment priority w=
as referenced as a<br>
&nbsp;&nbsp;&nbsp; &gt; possible solution.<br>
<br>
Good.&nbsp; Would more informative cross-references help?</div>
<div class=3D"PlainText">Do you want to co-author?</div>
<div class=3D"PlainText">[RJ] Yes, I would love to work on this problem sta=
tement.<br>
</div>
</span></font></div>
</body>
</html>

--_000_BM1PR01MB402069CD033662DD56D11B0BA9DF0BM1PR01MB4020INDP_--


From nobody Sat Apr 11 06:03:27 2020
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Subject: [Roll] I-D Action: draft-ietf-roll-unaware-leaves-14.txt
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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 WG of the IETF.

        Title           : Routing for RPL Leaves
        Authors         : Pascal Thubert
                          Michael C. Richardson
	Filename        : draft-ietf-roll-unaware-leaves-14.txt
	Pages           : 35
	Date            : 2020-04-11

Abstract:
   This specification extends RFC6550 and RFC8505 to provide routing
   services to Hosts called RPL Unaware Leaves that implement 6LoWPAN ND
   but do not participate to RPL.  This specification also enables the
   RPL Root to proxy the 6LoWPAN keep-alive flows in its DODAG.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-unaware-leaves/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-unaware-leaves-14
https://datatracker.ietf.org/doc/html/draft-ietf-roll-unaware-leaves-14

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-unaware-leaves-14


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



From nobody Sat Apr 11 06:10:51 2020
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/FShaV4u1lQGSlkcV7V54RrH8gJ0>
Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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I went through the diff and it seems ok to me. Thanks
Regarding ROVR, pls find my rsp inline.

>
> > 3) There is no mandate for using the ROVR in the target option. It is a=
 SHOULD,
> should it be a MUST?
>
> [RJ] The ROVR will be a MUST only when a DAO for RUL is sent with a lifet=
ime of
> zero by the 6LR. If this is what you mean then yes, I think it should be =
a MUST.

There will still be the case of a legacy node, to the Root will have to cop=
e with no ROVR.
The text did not MUST on the termination because there is a proposed altern=
ative of doing the EDAR exchange there.

SHOULD we MUST it all the time?

It is also useful to control the 6LBR, e.g., reduce the lifetime.
It is mostly protecting the future for more zerotrust security using the RO=
VR in RPL. We can work on that rapidly once the RUL work is complete. The c=
ost is the extra bytes obviously.

[RJ] Sorry, but I am still not clear on the proposition here. Are you propo=
sing that all the DAO target options MUST carry a ROVR field even in regula=
r case? I understand that using ROVR might improve security in the future b=
ut the cost is high in my opinion.

--_000_BM1PR01MB40208D80481AD0AEC7F9746FA9DF0BM1PR01MB4020INDP_
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<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
1">
<style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo=
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<body dir=3D"ltr">
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
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I went through the diff and it seems ok to me. Thanks</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Regarding ROVR, pls find my rsp inline.</div>
<div class=3D"BodyFragment"><font size=3D"2"><span style=3D"font-size:11pt"=
>
<div class=3D"PlainText"><br>
&gt; <br>
&gt; &gt; 3) There is no mandate for using the ROVR in the target option. I=
t is a SHOULD,<br>
&gt; should it be a MUST?<br>
&gt; <br>
&gt; [RJ] The ROVR will be a MUST only when a DAO for RUL is sent with a li=
fetime of<br>
&gt; zero by the 6LR. If this is what you mean then yes, I think it should =
be a MUST.<br>
<br>
There will still be the case of a legacy node, to the Root will have to cop=
e with no ROVR.<br>
The text did not MUST on the termination because there is a proposed altern=
ative of doing the EDAR exchange there.
<br>
<br>
SHOULD we MUST it all the time? <br>
<br>
It is also useful to control the 6LBR, e.g., reduce the lifetime. <br>
It is mostly protecting the future for more zerotrust security using the RO=
VR in RPL. We can work on that rapidly once the RUL work is complete. The c=
ost is the extra bytes obviously.<br>
<br>
[RJ] Sorry, but I am still not clear on the proposition here. Are you propo=
sing that all the DAO target options MUST carry a ROVR field even in regula=
r case? I understand that using ROVR might improve security in the future b=
ut the cost is high in my opinion.</div>
</span></font></div>
</body>
</html>

--_000_BM1PR01MB40208D80481AD0AEC7F9746FA9DF0BM1PR01MB4020INDP_--


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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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=0A=
Yes that was the proposal and yes the cost is high. Maybe we could MUST a k=
nob to turn it on if it is not always?=0A=
=0A=
[RJ] Agree, conditionally will be better. One more thing that I realized th=
at intermediate 6LRs won't be able to generate a DAO with the ROVR when the=
y generate it by themselves i.e., on parent-switch, ... unless they maintai=
n ROVR in the routing entry context. Is this the case?=0A=
Another thing to consider for backward compatibility, in storing MOP the in=
termediate 6LRs who do not support this draft may just zero out the ROVRsz =
and the ROVR field depending on how the implementation is done. For e.g., c=
ontiki-ng just forwards the DAO based on the downstream input DAO and won't=
 have an issue but any other implementation which generates the DAO locally=
 based on routing entry will have an issue.=


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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Date: Mon, 13 Apr 2020 00:57:47 +0000
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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Date: Mon, 13 Apr 2020 07:49:08 +0000
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Subject: Re: [Roll] WGLC on draft-ietf-roll-unaware-leaves-13
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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: unaware leaves - graceful shutdown of attached-6LR
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Subject: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Hello Pascal/Authors,

In the event that the attached 6LR needs to gracefully shutdown, it needs t=
o inform the RUL(s) to detach and possibly move to another 6LR.
I believe this could be done using NA(EARO, Status=3D"Removed"); from the a=
ttached-6LR. Can this NA be multicasted if the attached-6LR has more than o=
ne RULs attached to it?
Is this correct/allowed? For RPL we have route-poisoning using which a 6LR =
does a graceful shutdown, but the route-poisoning is not applicable to RULs=
. I believe this should be clarified in the text.

Regards,
Rahul

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Hello Pascal/Authors,</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
In the event that the attached 6LR needs to gracefully shutdown, it needs t=
o inform the RUL(s) to detach and possibly move to another 6LR.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
I believe this could be done using NA(EARO, Status=3D&quot;Removed&quot;); =
from the attached-6LR. Can this NA be multicasted if the attached-6LR has m=
ore than one RULs attached to it?</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Is this correct/allowed? For RPL we have route-poisoning using which a 6LR =
does a graceful shutdown, but the route-poisoning is not applicable to RULs=
. I believe this should be clarified in the text.&nbsp;</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Regards,</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Rahul</div>
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/b4wkp_DhPcN-u43SHo1JjH57__w>
Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: Rahul Jadhav <nyrahul@outlook.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unaware leaves - graceful shutdown of attached-6LR
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/S1rTpxKn30MsNZcRDLTt6_8RLVg>
Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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From: <dominique.barthel@orange.com>
To: roll <roll@ietf.org>
CC: Michael Richardson <mcr+ietf@sandelman.ca>, Ines Robles <mariainesrobles@googlemail.com>
Thread-Topic: WG call for adoption for draft-jadhav-roll-mopex-02
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Date: Tue, 14 Apr 2020 15:52:44 +0000
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Subject: [Roll] I-D Action: draft-ietf-roll-turnon-rfc8138-06.txt
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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 WG of the IETF.

        Title           : A RPL Configuration Option for the 6LoWPAN Routing Header
        Authors         : Pascal Thubert
                          Li Zhao
	Filename        : draft-ietf-roll-turnon-rfc8138-06.txt
	Pages           : 10
	Date            : 2020-04-15

Abstract:
   This document complements RFC 8138 and dedicates a bit in the RPL
   configuration option defined in RFC 6550 to indicate whether RFC 8138
   compression is used within the RPL Instance.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-turnon-rfc8138-06
https://datatracker.ietf.org/doc/html/draft-ietf-roll-turnon-rfc8138-06

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-turnon-rfc8138-06


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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From nobody Wed Apr 15 05:35:20 2020
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Subject: [Roll] I-D Action: draft-ietf-roll-unaware-leaves-15.txt
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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 WG of the IETF.

        Title           : Routing for RPL Leaves
        Authors         : Pascal Thubert
                          Michael C. Richardson
	Filename        : draft-ietf-roll-unaware-leaves-15.txt
	Pages           : 35
	Date            : 2020-04-15

Abstract:
   This specification extends RFC6550 and RFC8505 to provide routing
   services to Hosts called RPL Unaware Leaves that implement 6LoWPAN ND
   but do not participate to RPL.  This specification also enables the
   RPL Root to proxy the 6LoWPAN keep-alive flows in its DODAG.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-unaware-leaves/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-unaware-leaves-15
https://datatracker.ietf.org/doc/html/draft-ietf-roll-unaware-leaves-15

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-unaware-leaves-15


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



From nobody Wed Apr 15 09:53:13 2020
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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Wed, 15 Apr 2020 19:52:19 +0300
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Subject: [Roll] ROLL WG Virtual Meeting: 2020-04-29 - Cut-off - Upload slides
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--000000000000d2cd5905a35725a3
Content-Type: text/plain; charset="UTF-8"

Dear all,

Related to  the ROLL Interim meeting on 29th April, please note:

1- "Cut-off day": Presenters, for the documents you want to discuss at the
virtual meeting, please make sure to have the changes implemented and the
drafts republished by Apr 22nd, so that the WG participants have a week to
read the documents

2- Please upload in pdf format the slides you propose for upcoming ROLL
interim meeting by 24th April

Instructions:
  2.a) If you do not already have, create an account on datatracker.ietf.org
     On the datatracker home page, there is a slider "User", use "New
Account", follow instructions.

  2.b) Once you are logged in, instead of "User", the slider will show your
email.

     Go to:
     https://datatracker.ietf.org/meeting/interim-2020-roll-01/session/roll

     There will be a "Propose Slides" button, follow instructions. Please
use an informative title, e.g. draft-ietf-roll-.....

Alternatively, You can send to us the slides, as you prefer.

Thank you very much in advance

Ines, Dominique and Michael

On Thu, Mar 26, 2020 at 8:24 PM Ines Robles <mariainesrobles@googlemail.com>
wrote:

> Dear all,
>
> Please find below information about the ROLL Interim Meeting:
>
> - Proposed Agenda:
> https://github.com/roll-wg/ROLL-Interim-Meeting/blob/master/20200429-IETF107/Agenda-IETF107-roll
>
>  Dear presenters, please send us the slides in pdf by 20th April. We would
> like to have all the presentations in one file and as a backup in case of
> screen sharing issues.
>
> - Etherpad:
> https://etherpad.tools.ietf.org/p/notes-ietf-107-roll-virtual-20200429
>
>  -Bluesheets: The Etherpad is working as blueesheet, so please remember to
> add your name  and affiliation.
>
> - Please consider volunteer as minute-taker.
>
> - Webex details:
>
> Note that the webex will open 15 minutes before, in case that the
> presenters want to test screen-sharing, audio, video  features. We aim to
> have the meeting in two hours, however the webex is going to be open still
> 45 minutes more in case that some discussion requires more time or if
> someone wants to discuss with the chairs after the meeting, etc.
> Since we are getting more topics to discuss, we might continue the
> discussions in a second meeting, we will decide it based on the results of
> the 29th meeting.
> Please note that we aim to record the meeting.
>
> The .ics file will be sent in another email. Also, It can be found in
> https://github.com/roll-wg/ROLL-Interim-Meeting/blob/master/20200429-IETF107/Webex_Meeting_IETF107-roll.ics
>
> Webex details:
>
> Wednesday, Apr 29, 2020 6:45 am | 3 hours | (UTC-04:00) Eastern Time (US &
> Canada)
> Meeting number: 610 440 357
> Password: Pp6DfDQce26
> https://ietf.webex.com/ietf/j.php?MTID=m976a599b4a6b6be830ec4e500329fd33
>
> Join by video system
> Dial 610440357@ietf.webex.com
> You can also dial 173.243.2.68 and enter your meeting number.
>
> Join by phone
> 1-650-479-3208 Call-in toll number (US/Canada)
> 1-877-668-4493 Call-in toll free number (US/Canada)
> Access code: 610 440 357
>
> Another timestamps:
> https://www.worldtimebuddy.com/?qm=1&lid=100,12,5392171,1796236&h=100&date=2020-04-29&sln=11-13 -
> Thank you Pascal! :-)
>
>
> Thank you very much,
>
> Ines, Dominique and Michael
>
> ---------- Forwarded message ---------
> From: IESG Secretary <iesg-secretary@ietf.org>
> Date: Wed, Mar 25, 2020 at 10:35 PM
> Subject: [Roll] Routing Over Low power and Lossy networks (roll) WG
> Virtual Meeting: 2020-04-29
> To: IETF-Announce <ietf-announce@ietf.org>
> Cc: <roll@ietf.org>
>
>
> The Routing Over Low power and Lossy networks (roll) Working Group will
> hold
> a virtual interim meeting on 2020-04-29 from 11:00 to 13:00 UTC.
>
> Agenda:
> Draft Agenda
>
> - Introduction (10 minutes)
> - draft-ietf-roll-nsa-extension-07 (10 minutes)
> - draft-ietf-roll-capabilities-02  (15 min)
> - NPDAO and unaware-leaves (5 min)
> - draft-ietf-roll-rpl-observations-03  (10 min)
> - draft-papadopoulos-roll-dis-mods-use-cases-00  (10 min)
> - draft-ietf-roll-unaware-leaves-13 (20 minutes)
> - updates on AP-ND and 6BBR, state of cluster C310 (5 minutes).
> - draft-ietf-roll-enrollment-priority-01 (10 minutes)
> - Open Floor (30 minutes)
>
> Information about remote participation:
> Remote participation information will be obtained at the time of approval
>
>
>

--000000000000d2cd5905a35725a3
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear all,<br><br>Related to=C2=A0 the ROL=
L Interim meeting on 29th April, please note:<br><br>1- &quot;Cut-off day&q=
uot;: Presenters, for the documents you want to discuss at the virtual meet=
ing, please make sure to have the changes implemented and the drafts republ=
ished by Apr 22nd, so that the WG participants have a week to read the docu=
ments<br><br>2- Please upload in pdf format the slides you propose for upco=
ming ROLL interim meeting by 24th April<br><br>Instructions:<br>=C2=A0 2.a)=
 If you do not already have, create an account on <a href=3D"http://datatra=
cker.ietf.org">datatracker.ietf.org</a><br>=C2=A0 =C2=A0 =C2=A0On the datat=
racker home page, there is a slider &quot;User&quot;, use &quot;New Account=
&quot;, follow instructions.<br><br>=C2=A0 2.b) Once you are logged in, ins=
tead of &quot;User&quot;, the slider will show your email.<br><br>=C2=A0 =
=C2=A0 =C2=A0Go to:<br>=C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.i=
etf.org/meeting/interim-2020-roll-01/session/roll">https://datatracker.ietf=
.org/meeting/interim-2020-roll-01/session/roll</a><br><br>=C2=A0 =C2=A0 =C2=
=A0There will be a &quot;Propose Slides&quot; button, follow instructions. =
Please use an informative title, e.g. draft-ietf-roll-.....<br><br>Alternat=
ively, You can send to us the slides, as you prefer.<br><br>Thank you very =
much in advance<br><br>Ines, Dominique and Michael<br></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Mar 26, 2020=
 at 8:24 PM Ines  Robles &lt;<a href=3D"mailto:mariainesrobles@googlemail.c=
om">mariainesrobles@googlemail.com</a>&gt; wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Dear all,<div><br></div>=
<div>Please find below information about the ROLL Interim Meeting:</div><di=
v><br></div><div>- Proposed Agenda:=C2=A0<a href=3D"https://github.com/roll=
-wg/ROLL-Interim-Meeting/blob/master/20200429-IETF107/Agenda-IETF107-roll" =
target=3D"_blank">https://github.com/roll-wg/ROLL-Interim-Meeting/blob/mast=
er/20200429-IETF107/Agenda-IETF107-roll</a></div><div><br></div><div>=C2=A0=
Dear presenters, please send us the slides in pdf by 20th April. We would l=
ike to have all the presentations in one file and=C2=A0as a backup in case =
of screen sharing issues.=C2=A0</div><div><br></div><div>- Etherpad:=C2=A0<=
a href=3D"https://etherpad.tools.ietf.org/p/notes-ietf-107-roll-virtual-202=
00429" target=3D"_blank">https://etherpad.tools.ietf.org/p/notes-ietf-107-r=
oll-virtual-20200429</a></div><div><br></div><div>=C2=A0-Bluesheets: The Et=
herpad is working as blueesheet, so please remember to add your name=C2=A0 =
and affiliation.</div><div><br></div><div>- Please consider volunteer as mi=
nute-taker.</div><div><br></div><div>- Webex details:=C2=A0 </div><div><br>=
</div><div>Note that the webex will open 15 minutes before, in case that th=
e presenters want to=C2=A0test screen-sharing, audio, video=C2=A0 features.=
 We aim to have the meeting in two hours, however the webex is going to be =
open still 45 minutes more in case that some discussion requires more time =
or if someone wants to discuss with the chairs after the meeting, etc.=C2=
=A0</div><div>Since we are getting more topics to discuss, we might continu=
e the discussions in a second meeting, we will decide it based on the resul=
ts of the 29th meeting.</div><div>Please note that we aim to record the mee=
ting.=C2=A0</div><div><br></div><div>The .ics=C2=A0file will be sent in ano=
ther email. Also, It can be found in=C2=A0<a href=3D"https://github.com/rol=
l-wg/ROLL-Interim-Meeting/blob/master/20200429-IETF107/Webex_Meeting_IETF10=
7-roll.ics" target=3D"_blank">https://github.com/roll-wg/ROLL-Interim-Meeti=
ng/blob/master/20200429-IETF107/Webex_Meeting_IETF107-roll.ics</a><br></div=
><div><br></div><div>Webex details:</div><div><br></div><div>Wednesday, Apr=
 29, 2020 6:45 am | 3 hours | (UTC-04:00) Eastern Time (US &amp; Canada)<br=
>Meeting number: 610 440 357<br>Password: Pp6DfDQce26<br><a href=3D"https:/=
/ietf.webex.com/ietf/j.php?MTID=3Dm976a599b4a6b6be830ec4e500329fd33" target=
=3D"_blank">https://ietf.webex.com/ietf/j.php?MTID=3Dm976a599b4a6b6be830ec4=
e500329fd33</a><br><br>Join by video system<br>Dial=C2=A0<a href=3D"mailto:=
610440357@ietf.webex.com" target=3D"_blank">610440357@ietf.webex.com</a><br=
>You can also dial 173.243.2.68 and enter your meeting number.<br><br>Join =
by phone<br>1-650-479-3208 Call-in toll number (US/Canada)<br>1-877-668-449=
3 Call-in toll free number (US/Canada)<br>Access code: 610 440 357<br></div=
><div><br></div><div>Another timestamps:=C2=A0<a href=3D"https://www.worldt=
imebuddy.com/?qm=3D1&amp;lid=3D100,12,5392171,1796236&amp;h=3D100&amp;date=
=3D2020-04-29&amp;sln=3D11-13" target=3D"_blank">https://www.worldtimebuddy=
.com/?qm=3D1&amp;lid=3D100,12,5392171,1796236&amp;h=3D100&amp;date=3D2020-0=
4-29&amp;sln=3D11-13</a>=C2=A0- Thank you Pascal! :-)</div><div><br></div><=
div><br></div><div>Thank you very much,</div><div><br></div><div>Ines, Domi=
nique and Michael</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" clas=
s=3D"gmail_attr">---------- Forwarded message ---------<br>From: <strong cl=
ass=3D"gmail_sendername" dir=3D"auto">IESG Secretary</strong> <span dir=3D"=
auto">&lt;<a href=3D"mailto:iesg-secretary@ietf.org" target=3D"_blank">iesg=
-secretary@ietf.org</a>&gt;</span><br>Date: Wed, Mar 25, 2020 at 10:35 PM<b=
r>Subject: [Roll] Routing Over Low power and Lossy networks (roll) WG Virtu=
al Meeting: 2020-04-29<br>To: IETF-Announce &lt;<a href=3D"mailto:ietf-anno=
unce@ietf.org" target=3D"_blank">ietf-announce@ietf.org</a>&gt;<br>Cc:  &lt=
;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<b=
r></div><br><br>The Routing Over Low power and Lossy networks (roll) Workin=
g Group will hold<br>
a virtual interim meeting on 2020-04-29 from 11:00 to 13:00 UTC.<br>
<br>
Agenda:<br>
Draft Agenda<br>
<br>
- Introduction (10 minutes)<br>
- draft-ietf-roll-nsa-extension-07 (10 minutes)<br>
- draft-ietf-roll-capabilities-02=C2=A0 (15 min)<br>
- NPDAO and unaware-leaves (5 min) <br>
- draft-ietf-roll-rpl-observations-03=C2=A0 (10 min)<br>
- draft-papadopoulos-roll-dis-mods-use-cases-00=C2=A0 (10 min)<br>
- draft-ietf-roll-unaware-leaves-13 (20 minutes)<br>
- updates on AP-ND and 6BBR, state of cluster C310 (5 minutes).<br>
- draft-ietf-roll-enrollment-priority-01 (10 minutes)<br>
- Open Floor (30 minutes)<br>
<br>
Information about remote participation:<br>
Remote participation information will be obtained at the time of approval<b=
r>
<br><br>
</div></div>
</blockquote></div></div>

--000000000000d2cd5905a35725a3--


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Subject: Re: [Roll] unaware leaves - graceful shutdown of attached-6LR
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--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable


Rahul Jadhav <nyrahul@outlook.com> wrote:
    > In the event that the attached 6LR needs to gracefully shutdown, it
    > needs to inform the RUL(s) to detach and possibly move to another 6LR.
    > I believe this could be done using NA(EARO, Status=3D"Removed"); from=
 the
    > attached-6LR. Can this NA be multicasted if the attached-6LR has more
    > than one RULs attached to it?

Pascal Thubert \(pthubert\) <pthubert=3D40cisco.com@dmarc.ietf.org> wrote:
    > Normally this is done using a final RA. But the RA is broadcast so
    > unicasting a NA with =E2=80=98R=E2=80=99 flag off is a great idea. Th=
is is the exact
    > signal that this router does not serve this node. Lifetime 0 would
    > indicate that the router removes the NCE.

The other reason that I think that we need to unicast the NA is because it
needs to occur when the sleepy device is awake.
That could take some time to reach all devices!

I agree that it would be better to do this before the 6LR goes away, as the
next time a device like a window-smash sensor wakes up could be because it
needs to send an ALERT :-)

I think that in a 6tisch scenario, it might take a few cycles of the schedu=
le
to get all the unicast NAs sent.

=2D-
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -=3D IPv6 IoT consulting =3D-




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Subject: [Roll] draft-ietf-roll-unaware-leaves IPR disclosure
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Hello authors,

Please could each of you confirm that there is no IPR in relation to
this document draft-ietf-roll-unaware-leaves.
This is needed as part of shepherd writeup.

Thank you,

- Rahul


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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 WG of the IETF.

        Title           : Efficient Route Invalidation
        Authors         : Rahul Arvind Jadhav
                          Pascal Thubert
                          Rabi Narayan Sahoo
                          Zhen Cao
	Filename        : draft-ietf-roll-efficient-npdao-18.txt
	Pages           : 23
	Date            : 2020-04-15

Abstract:
   This document explains the problems associated with the current use
   of NPDAO messaging and also discusses the requirements for an
   optimized route invalidation messaging scheme.  Further a new
   proactive route invalidation message called as "Destination Cleanup
   Object" (DCO) is specified which fulfills requirements of an
   optimized route invalidation messaging.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-efficient-npdao/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-efficient-npdao-18
https://datatracker.ietf.org/doc/html/draft-ietf-roll-efficient-npdao-18

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-efficient-npdao-18


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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From: Rahul Jadhav <rahul.ietf@gmail.com>
Date: Thu, 16 Apr 2020 10:31:19 +0800
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To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: [Roll] Fwd: New Version Notification for draft-ietf-roll-efficient-npdao-18.txt
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Dear all,

Since unaware-leaves to coming close to closure, I thought now is the time
to make the update to this draft (it was in cross-ref with unaware-leaves).
We have a value for RPL Status Moved in DCO. And it is 195. The update
explains this.

Any feedback/comment is most appreciated.

References:
1. [Roll] Unaware-leaves - ND-Status and RPL-Status linkage
<https://mailarchive.ietf.org/arch/msg/roll/XbzfMGSnLlMg7iLEKy8Vqo_FFJc/>
2. https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY/
3. Why 195?
https://github.com/roll-wg/efficient-route-invalidation/blob/master/why-RPL-Status-195.png

Thanks,
Rahul

---------- Forwarded message ---------
From: <internet-drafts@ietf.org>
Date: Thu, 16 Apr 2020 at 10:11
Subject: New Version Notification for draft-ietf-roll-efficient-npdao-18.txt
To: Pascal Thubert <pthubert@cisco.com>, Rahul Arvind Jadhav <
rahul.ietf@gmail.com>, Rabi Narayan Sahoo <rabinarayans@huawei.com>, Zhen
Cao <zhencao.ietf@gmail.com>



A new version of I-D, draft-ietf-roll-efficient-npdao-18.txt
has been successfully submitted by Rahul Arvind Jadhav and posted to the
IETF repository.

Name:           draft-ietf-roll-efficient-npdao
Revision:       18
Title:          Efficient Route Invalidation
Document date:  2020-04-15
Group:          roll
Pages:          23
URL:
https://www.ietf.org/internet-drafts/draft-ietf-roll-efficient-npdao-18.txt
Status:
https://datatracker.ietf.org/doc/draft-ietf-roll-efficient-npdao/
Htmlized:
https://tools.ietf.org/html/draft-ietf-roll-efficient-npdao-18
Htmlized:
https://datatracker.ietf.org/doc/html/draft-ietf-roll-efficient-npdao
Diff:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-efficient-npdao-18

Abstract:
   This document explains the problems associated with the current use
   of NPDAO messaging and also discusses the requirements for an
   optimized route invalidation messaging scheme.  Further a new
   proactive route invalidation message called as "Destination Cleanup
   Object" (DCO) is specified which fulfills requirements of an
   optimized route invalidation messaging.




Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

The IETF Secretariat

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<div dir=3D"ltr"><div>Dear all,</div><div><br></div>Since unaware-leaves to=
 coming close to closure, I thought now is the time to make the update to t=
his draft (it was in cross-ref with unaware-leaves).<br>We have a value for=
 RPL Status Moved in DCO. And it is 195. The update explains this.<div><div=
><br></div><div>Any feedback/comment is most appreciated.</div><div><br></d=
iv><div>References:</div><div><h3 style=3D"box-sizing:border-box;margin:2px=
 0px;font-weight:normal;line-height:1.2;color:rgb(33,37,41);font-family:-ap=
ple-system,BlinkMacSystemFont,&quot;Segoe UI&quot;,Roboto,&quot;Helvetica N=
eue&quot;,Arial,&quot;Noto Sans&quot;,sans-serif,&quot;Apple Color Emoji&qu=
ot;,&quot;Segoe UI Emoji&quot;,&quot;Segoe UI Symbol&quot;,&quot;Noto Color=
 Emoji&quot;"><font size=3D"2">1.=C2=A0<a href=3D"https://mailarchive.ietf.=
org/arch/msg/roll/XbzfMGSnLlMg7iLEKy8Vqo_FFJc/" style=3D"">[Roll] Unaware-l=
eaves - ND-Status and RPL-Status linkage</a></font></h3><div>2.=C2=A0<a hre=
f=3D"https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY=
/">https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY/<=
/a></div><div><div><div>3. Why 195?=C2=A0<a href=3D"https://github.com/roll=
-wg/efficient-route-invalidation/blob/master/why-RPL-Status-195.png">https:=
//github.com/roll-wg/efficient-route-invalidation/blob/master/why-RPL-Statu=
s-195.png</a></div><div><br></div><div>Thanks,</div><div>Rahul</div><div><b=
r>---------- Forwarded message ---------<br>From: &lt;<a href=3D"mailto:int=
ernet-drafts@ietf.org">internet-drafts@ietf.org</a>&gt;<br>Date: Thu, 16 Ap=
r 2020 at 10:11<br>Subject: New Version Notification for draft-ietf-roll-ef=
ficient-npdao-18.txt<br>To: Pascal Thubert &lt;<a href=3D"mailto:pthubert@c=
isco.com">pthubert@cisco.com</a>&gt;, Rahul Arvind Jadhav &lt;<a href=3D"ma=
ilto:rahul.ietf@gmail.com">rahul.ietf@gmail.com</a>&gt;, Rabi Narayan Sahoo=
 &lt;<a href=3D"mailto:rabinarayans@huawei.com">rabinarayans@huawei.com</a>=
&gt;, Zhen Cao &lt;<a href=3D"mailto:zhencao.ietf@gmail.com">zhencao.ietf@g=
mail.com</a>&gt;<br><br><br><br>A new version of I-D, draft-ietf-roll-effic=
ient-npdao-18.txt<br>has been successfully submitted by Rahul Arvind Jadhav=
 and posted to the<br>IETF repository.<br><br>Name: =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 draft-ietf-roll-efficient-npdao<br>Revision: =C2=A0 =C2=A0 =
=C2=A0 18<br>Title: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Efficient Route Inval=
idation<br>Document date: =C2=A02020-04-15<br>Group: =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0roll<br>Pages: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A023<br>URL: =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.org/in=
ternet-drafts/draft-ietf-roll-efficient-npdao-18.txt">https://www.ietf.org/=
internet-drafts/draft-ietf-roll-efficient-npdao-18.txt</a><br>Status: =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://datatracker.ietf.org/doc/draft-=
ietf-roll-efficient-npdao/">https://datatracker.ietf.org/doc/draft-ietf-rol=
l-efficient-npdao/</a><br>Htmlized: =C2=A0 =C2=A0 =C2=A0 <a href=3D"https:/=
/tools.ietf.org/html/draft-ietf-roll-efficient-npdao-18">https://tools.ietf=
.org/html/draft-ietf-roll-efficient-npdao-18</a><br>Htmlized: =C2=A0 =C2=A0=
 =C2=A0 <a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-roll-ef=
ficient-npdao">https://datatracker.ietf.org/doc/html/draft-ietf-roll-effici=
ent-npdao</a><br>Diff: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https:=
//www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-efficient-npdao-18">https://w=
ww.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-efficient-npdao-18</a><br><br>Ab=
stract:<br>=C2=A0 =C2=A0This document explains the problems associated with=
 the current use<br>=C2=A0 =C2=A0of NPDAO messaging and also discusses the =
requirements for an<br>=C2=A0 =C2=A0optimized route invalidation messaging =
scheme.=C2=A0 Further a new<br>=C2=A0 =C2=A0proactive route invalidation me=
ssage called as &quot;Destination Cleanup<br>=C2=A0 =C2=A0Object&quot; (DCO=
) is specified which fulfills requirements of an<br>=C2=A0 =C2=A0optimized =
route invalidation messaging.<br><br><br><br><br>Please note that it may ta=
ke a couple of minutes from the time of submission<br>until the htmlized ve=
rsion and diff are available at <a href=3D"http://tools.ietf.org">tools.iet=
f.org</a>.<br><br>The IETF Secretariat<br></div></div></div></div></div></d=
iv>

--0000000000000344e405a35f3b07--


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Subject: Re: [Roll] draft-ietf-roll-unaware-leaves IPR disclosure
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From nobody Wed Apr 15 22:39:24 2020
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Subject: [Roll] I-D Action: draft-ietf-roll-mopex-00.txt
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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 WG of the IETF.

        Title           : Mode of Operation extension
        Authors         : Rahul Arvind Jadhav
                          Pascal Thubert
                          Michael Richardson
	Filename        : draft-ietf-roll-mopex-00.txt
	Pages           : 7
	Date            : 2020-04-15

Abstract:
   RPL allows different mode of operations which allows nodes to have a
   consensus on the basic primitives that must be supported to join the
   network.  The MOP field in [RFC6550] is of 3 bits and is fast
   depleting.  This document extends the MOP for future use.


The IETF datatracker status page for this draft is:
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From nobody Thu Apr 16 02:02:05 2020
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Subject: [Roll] I-D Action: draft-ietf-roll-capabilities-03.txt
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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 WG of the IETF.

        Title           : RPL Capabilities
        Authors         : Rahul Arvind Jadhav
                          Pascal Thubert
                          Michael Richardson
                          Rabi Narayan Sahoo
	Filename        : draft-ietf-roll-capabilities-03.txt
	Pages           : 13
	Date            : 2020-04-16

Abstract:
   This draft enables the discovery, advertisement and query of
   capabilities for RPL nodes.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-capabilities/

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From nobody Thu Apr 16 10:45:57 2020
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Subject: Re: [Roll] draft-ietf-roll-unaware-leaves IPR disclosure
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Rahul Jadhav <rahul.ietf@gmail.com> wrote:
    > Please could each of you confirm that there is no IPR in relation to
    > this document draft-ietf-roll-unaware-leaves.
    > This is needed as part of shepherd writeup.

I have and know of no IPR.




From nobody Fri Apr 17 07:38:30 2020
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From: <dominique.barthel@orange.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
CC: Ines Robles <mariainesrobles@googlemail.com>
Thread-Topic: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
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--_000_DABF89D674007dominiquebarthelorangecom_--


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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Fri, 17 Apr 2020 17:54:22 +0300
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To: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
Cc: Routing Over Low power and Lossy networks <roll@ietf.org>, dominique barthel <dominique.barthel@orange.com>
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Subject: Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
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Hi Pascal,

Document write-up is attached to the document. [1]

I have a minor question:

- Since the document includes double RPL Instance scenario. Do you think
that security considerations should mention what security aspects involve
RPL multi-instance operation (e.g. sybil attacks, etc.)?. Maybe it would be
worthy to reminder that the security modes preinstalled or authenticated is
applicable also on multi-instances scenarios.?

Nits: The abstract does not mention explicitly that this draft updates
RFC6550 and RFC8138. It would be nice to state that on the abstract.

Thank you very much for your hard work,

Ines.

[1]
https://datatracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/shepherdwri=
teup/

On Fri, Apr 17, 2020 at 5:38 PM <dominique.barthel@orange.com> wrote:

> Hello all,
>
> The WGLC for draft-ietf-roll-turnon-rfc8138 has been open since Feb 20th.
> Since then, the draft has received reviews from Rahul and myself, which
> lead the authors to publish =E2=80=9305 and =E2=80=9306.
> We believe all the actionable comments have been addressed.
> Therefore, the WGLC is now officially closed.
> In=C3=A8s has kindly volunteered to be the shepherd for this draft, and i=
s
> going to do her write-up before we release the document to our AD.
> Thanks to her for taking up that role, and thanks to all of you for your
> contributions!
>
> Dominique & Ines & Michael
>
> De : Roll <roll-bounces@ietf.org> on behalf of Dominique Barthel <
> dominique.barthel@orange.com>
> R=C3=A9pondre =C3=A0 : "roll@ietf.org" <roll@ietf.org>
> Date : Friday 6 March 2020 12:08
> =C3=80 : "roll@ietf.org" <roll@ietf.org>
> Cc : "mariainesrobles@googlemail.com" <mariainesrobles@googlemail.com>
> Objet : Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
>
> Working Group,
>
> The WGLC for draft-ietf-roll-turnon-rfc8138-04 was due to expire yesterda=
y.
> No comment was received so far.
> Before we equate silence with agreement, please take some time to reflect
> on this draft, maybe even review it and most importantly send your though=
ts.
> Simple responses like "yes", "I approve it" are valid, too.
> As chairs, we need to gauge consensus. Please help us serving the
> community.
> Best regards
>
> In=C3=A8s & Dominique
>
> De : "mariainesrobles@googlemail.com" <mariainesrobles@googlemail.com>
> Date : Thursday 20 February 2020 10:16
> =C3=80 : "roll@ietf.org" <roll@ietf.org>
> Cc : Dominique Barthel <dominique.barthel@orange.com>
> Objet : WGLC on draft-ietf-roll-turnon-rfc8138-04
>
> Dear all,
>
> This is a Working Group Last call for draft-ietf-roll-turnon-rfc8138-04
>
> Please send your comments by 5th March 2020
>
> Thank you very much in advance,
>
> Ines and Dominique.
>
> _________________________________________________________________________=
________________________________________________
>
> Ce message et ses pieces jointes peuvent contenir des informations confid=
entielles ou privilegiees et ne doivent donc
> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez re=
cu ce message par erreur, veuillez le signaler
> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages =
electroniques etant susceptibles d'alteration,
> Orange decline toute responsabilite si ce message a ete altere, deforme o=
u falsifie. Merci.
>
> This message and its attachments may contain confidential or privileged i=
nformation that may be protected by law;
> they should not be distributed, used or copied without authorisation.
> If you have received this email in error, please notify the sender and de=
lete this message and its attachments.
> As emails may be altered, Orange is not liable for messages that have bee=
n modified, changed or falsified.
> Thank you.
>
> _________________________________________________________________________=
________________________________________________
>
> Ce message et ses pieces jointes peuvent contenir des informations confid=
entielles ou privilegiees et ne doivent donc
> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez re=
cu ce message par erreur, veuillez le signaler
> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages =
electroniques etant susceptibles d'alteration,
> Orange decline toute responsabilite si ce message a ete altere, deforme o=
u falsifie. Merci.
>
> This message and its attachments may contain confidential or privileged i=
nformation that may be protected by law;
> they should not be distributed, used or copied without authorisation.
> If you have received this email in error, please notify the sender and de=
lete this message and its attachments.
> As emails may be altered, Orange is not liable for messages that have bee=
n modified, changed or falsified.
> Thank you.
>
>

--000000000000b1a38705a37dbb44
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Hi Pascal,<div><br></div><div>Document wr=
ite-up is attached to the document. [1]</div><div><br></div><div>I have a m=
inor question:</div><div><br></div><div>- Since the document includes=C2=A0=
double RPL Instance scenario. Do you think that security considerations sho=
uld mention what security aspects involve RPL multi-instance operation (e.g=
. sybil attacks, etc.)?. Maybe it would be worthy to reminder that the secu=
rity modes=C2=A0<span style=3D"color:rgb(0,0,0);font-size:13.3333px">preins=
talled or=C2=A0</span><span style=3D"color:rgb(0,0,0);font-size:13.3333px">=
authenticated is applicable=C2=A0also on multi-instances scenarios.?=C2=A0<=
/span></div><div><span style=3D"color:rgb(0,0,0);font-size:13.3333px"><br><=
/span></div><div><span style=3D"color:rgb(0,0,0);font-size:13.3333px">Nits:=
 The abstract does not mention explicitly that this draft updates RFC6550 a=
nd RFC8138. It would be nice to state that on the abstract.</span></div><di=
v><span style=3D"color:rgb(0,0,0);font-size:13.3333px"><br></span></div><di=
v><span style=3D"color:rgb(0,0,0);font-size:13.3333px">Thank you very much =
for your hard work,</span></div><div><span style=3D"color:rgb(0,0,0);font-s=
ize:13.3333px"><br></span></div><div><span style=3D"color:rgb(0,0,0);font-s=
ize:13.3333px">Ines.</span></div><div><span style=3D"color:rgb(0,0,0);font-=
size:13.3333px"><br></span></div><div><span style=3D"color:rgb(0,0,0);font-=
size:13.3333px">[1]=C2=A0</span><a href=3D"https://datatracker.ietf.org/doc=
/draft-ietf-roll-turnon-rfc8138/shepherdwriteup/">https://datatracker.ietf.=
org/doc/draft-ietf-roll-turnon-rfc8138/shepherdwriteup/</a></div></div><br>=
<div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Ap=
r 17, 2020 at 5:38 PM &lt;<a href=3D"mailto:dominique.barthel@orange.com">d=
ominique.barthel@orange.com</a>&gt; wrote:<br></div><blockquote class=3D"gm=
ail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,=
204,204);padding-left:1ex">



<div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-seri=
f">
<div>Hello all,</div>
<div><br>
</div>
<div>The WGLC for draft-ietf-roll-turnon-rfc8138 has been open since Feb 20=
th.</div>
<div>Since then, the draft has received reviews from Rahul and myself, whic=
h lead the authors to publish =E2=80=9305 and =E2=80=9306.</div>
<div>We believe all the actionable comments have been addressed.</div>
<div>Therefore, the WGLC is now officially closed.</div>
<div>In=C3=A8s has kindly volunteered to be the shepherd for this draft, an=
d is going=C2=A0to do her write-up before we release the document to our AD=
.</div>
<div>Thanks to her for taking up that role, and thanks to all of you for yo=
ur contributions!</div>
<div><br>
</div>
<div>Dominique &amp; Ines &amp; Michael</div>
<div><br>
</div>
<span id=3D"gmail-m_-8056394826175998480OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri;font-size:11pt;text-align:left;color:blac=
k;border-width:1pt medium medium;border-style:solid none none;border-bottom=
-color:initial;border-left-color:initial;padding:3pt 0in 0in;border-top-col=
or:rgb(181,196,223);border-right-color:initial">
<span style=3D"font-weight:bold">De=C2=A0: </span>Roll &lt;<a href=3D"mailt=
o:roll-bounces@ietf.org" target=3D"_blank">roll-bounces@ietf.org</a>&gt; on=
 behalf of Dominique Barthel &lt;<a href=3D"mailto:dominique.barthel@orange=
.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt;<br>
<span style=3D"font-weight:bold">R=C3=A9pondre =C3=A0=C2=A0: </span>&quot;<=
a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &=
lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;=
<br>
<span style=3D"font-weight:bold">Date=C2=A0: </span>Friday 6 March 2020 12:=
08<br>
<span style=3D"font-weight:bold">=C3=80=C2=A0: </span>&quot;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &lt;<a href=3D"=
mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Cc=C2=A0: </span>&quot;<a href=3D"mailto:m=
ariainesrobles@googlemail.com" target=3D"_blank">mariainesrobles@googlemail=
.com</a>&quot; &lt;<a href=3D"mailto:mariainesrobles@googlemail.com" target=
=3D"_blank">mariainesrobles@googlemail.com</a>&gt;<br>
<span style=3D"font-weight:bold">Objet=C2=A0: </span>Re: [Roll] WGLC on dra=
ft-ietf-roll-turnon-rfc8138-04<br>
</div>
<div><br>
</div>
<div>
<div style=3D"color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-seri=
f">
<div>Working Group,</div>
<div><br>
</div>
<div>The WGLC for draft-ietf-roll-turnon-rfc8138-04 was due to expire yeste=
rday.</div>
<div>No comment was received so far.</div>
<div>Before we equate silence with agreement, please take some time to refl=
ect on this draft, maybe even review it and most importantly send your thou=
ghts.</div>
<div>Simple responses like &quot;yes&quot;, &quot;I approve it&quot; are va=
lid, too.</div>
<div>As chairs, we need to gauge consensus. Please help us serving the comm=
unity.</div>
<div>Best regards</div>
<div><br>
</div>
<div>In=C3=A8s &amp; Dominique</div>
<div><br>
</div>
<span id=3D"gmail-m_-8056394826175998480OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri;font-size:11pt;text-align:left;color:blac=
k;border-width:1pt medium medium;border-style:solid none none;border-bottom=
-color:initial;border-left-color:initial;padding:3pt 0in 0in;border-top-col=
or:rgb(181,196,223);border-right-color:initial">
<span style=3D"font-weight:bold">De=C2=A0: </span>&quot;<a href=3D"mailto:m=
ariainesrobles@googlemail.com" target=3D"_blank">mariainesrobles@googlemail=
.com</a>&quot; &lt;<a href=3D"mailto:mariainesrobles@googlemail.com" target=
=3D"_blank">mariainesrobles@googlemail.com</a>&gt;<br>
<span style=3D"font-weight:bold">Date=C2=A0: </span>Thursday 20 February 20=
20 10:16<br>
<span style=3D"font-weight:bold">=C3=80=C2=A0: </span>&quot;<a href=3D"mail=
to:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&quot; &lt;<a href=3D"=
mailto:roll@ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Cc=C2=A0: </span>Dominique Barthel &lt;<a =
href=3D"mailto:dominique.barthel@orange.com" target=3D"_blank">dominique.ba=
rthel@orange.com</a>&gt;<br>
<span style=3D"font-weight:bold">Objet=C2=A0: </span>WGLC on draft-ietf-rol=
l-turnon-rfc8138-04<br>
</div>
<div><br>
</div>
<div>
<div>
<div dir=3D"ltr">Dear all,
<div><br>
</div>
<div>This is a Working Group Last call for=C2=A0draft-ietf-roll-turnon-rfc8=
138-04</div>
<div><br>
</div>
<div>Please send your comments by 5th March 2020</div>
<div><br>
</div>
<div>Thank you very much in advance,</div>
<div><br>
</div>
<div>Ines and Dominique.</div>
</div>
</div>
</div>
</span>
<pre>______________________________________________________________________=
___________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler
a l&#39;expediteur et le detruire ainsi que les pieces jointes. Les message=
s electroniques etant susceptibles d&#39;alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme ou =
falsifie. Merci.

This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.
As emails may be altered, Orange is not liable for messages that have been =
modified, changed or falsified.
Thank you.
</pre>
</div>
</div>
</span>
<pre>______________________________________________________________________=
___________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc
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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Fri, 17 Apr 2020 19:46:01 +0300
Message-ID: <CAP+sJUc0fBVzfwViS_D8QJ5poKbc6VUr7ZRden5y3gz=SkAdpQ@mail.gmail.com>
To: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
Cc: Routing Over Low power and Lossy networks <roll@ietf.org>, dominique barthel <dominique.barthel@orange.com>
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Subject: Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
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Hi Pascal,

I agree with your suggestions, thank you very much for your fast response.

I mentioned sybil attack just an example of a possible threat, just
thinking, e.g. In a sybil attack, a malicious node might utilizes uses
several RPL Instances to compromise the whole network. (I might be wrong).

Anyway, I agree to stick with the security modes that you proposed.

Have a great weekend and thanks,

Ines.



On Fri, Apr 17, 2020 at 7:13 PM Pascal Thubert (pthubert) <
pthubert@cisco.com> wrote:

> Dear Ines
>
> Many thanks for your comments and for shepherding this document!
>
> Please see below:
>
> > Since the document includes double RPL Instance scenario. Do you think
> that security considerations should mention what security aspects involve
> RPL multi-instance operation (e.g. sybil attacks, etc.)?. Maybe it would =
be
> worthy to reminder that the security modes preinstalled or authenticated =
is
> applicable also on multi-instances scenarios.?
>
> I'm unclear how sybil attacks would play there, please help me out if you
> think that there's a relevant case here beyond the security mode
> discussion. For that I suggest to add:
> "
>    The 2 instances MUST be operated with the same security guarantees,
>    e.g., both "unsecured" with a lower layer security of a same
>    strength, both "preinstalled" or both "authenticated" security mode
>    (see section 3.2.3 of [RFC6550] for more details on those modes).
>    The latter mode could be use to enforce the segregation of updated
>    and non-updated nodes, by providing the keys for joining as routers
>    to the updated nodes only.
> "
>
>
> > Nits: The abstract does not mention explicitly that this draft updates
> RFC6550 and RFC8138. It would be nice to state that on the abstract.
>
> Yes, what about:
> "
>    This document updates RFC 8138 and RFC 6550 by defining a bit in the
>    RPL configuration option to indicate whether RFC 8138 compression is
>    used within the RPL Instance, and specify the behavior of RFC
>    8138-capable nodes when the bit is set and reset.
>
> "
>
> Will that work? I'll publish as soon you give me your green light.
>
>
> Many thanks again... keep safe and take care;
>
>
> Pascal
>
>
> [1]
> https://datatracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/shepherdw=
riteup/
>
> On Fri, Apr 17, 2020 at 5:38 PM <mailto:dominique.barthel@orange.com>
> wrote:
> Hello all,
>
> The WGLC for draft-ietf-roll-turnon-rfc8138 has been open since Feb 20th.
> Since then, the draft has received reviews from Rahul and myself, which
> lead the authors to publish =E2=80=9305 and =E2=80=9306.
> We believe all the actionable comments have been addressed.
> Therefore, the WGLC is now officially closed.
> In=C3=A8s has kindly volunteered to be the shepherd for this draft, and i=
s
> going to do her write-up before we release the document to our AD.
> Thanks to her for taking up that role, and thanks to all of you for your
> contributions!
>
> Dominique & Ines & Michael
>
> De : Roll <mailto:roll-bounces@ietf.org> on behalf of Dominique Barthel
> <mailto:dominique.barthel@orange.com>
> R=C3=A9pondre =C3=A0 : "mailto:roll@ietf.org" <mailto:roll@ietf.org>
> Date : Friday 6 March 2020 12:08
> =C3=80 : "mailto:roll@ietf.org" <mailto:roll@ietf.org>
> Cc : "mailto:mariainesrobles@googlemail.com" <mailto:
> mariainesrobles@googlemail.com>
> Objet : Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
>
> Working Group,
>
> The WGLC for draft-ietf-roll-turnon-rfc8138-04 was due to expire yesterda=
y.
> No comment was received so far.
> Before we equate silence with agreement, please take some time to reflect
> on this draft, maybe even review it and most importantly send your though=
ts.
> Simple responses like "yes", "I approve it" are valid, too.
> As chairs, we need to gauge consensus. Please help us serving the
> community.
> Best regards
>
> In=C3=A8s & Dominique
>
> De : "mailto:mariainesrobles@googlemail.com" <mailto:
> mariainesrobles@googlemail.com>
> Date : Thursday 20 February 2020 10:16
> =C3=80 : "mailto:roll@ietf.org" <mailto:roll@ietf.org>
> Cc : Dominique Barthel <mailto:dominique.barthel@orange.com>
> Objet : WGLC on draft-ietf-roll-turnon-rfc8138-04
>
> Dear all,
>
> This is a Working Group Last call for draft-ietf-roll-turnon-rfc8138-04
>
> Please send your comments by 5th March 2020
>
> Thank you very much in advance,
>
> Ines and Dominique.
>
> _________________________________________________________________________=
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--000000000000fb358b05a37f4a3b
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<div dir=3D"ltr">Hi Pascal,<div><br></div><div>I agree with your suggestion=
s, thank you very much for your fast=C2=A0response.</div><div><br></div><di=
v>I mentioned sybil attack just an example of a possible threat, just think=
ing, e.g. In a sybil attack, a malicious node might utilizes uses several R=
PL Instances to compromise the whole network. (I might be wrong).=C2=A0</di=
v><div><br></div><div>Anyway, I agree to stick with the security modes that=
 you proposed.=C2=A0</div><div><br></div><div>Have a great weekend and than=
ks,=C2=A0</div><div><br></div><div>Ines.</div><div><br></div><div><br></div=
></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr"=
>On Fri, Apr 17, 2020 at 7:13 PM Pascal Thubert (pthubert) &lt;<a href=3D"m=
ailto:pthubert@cisco.com">pthubert@cisco.com</a>&gt; wrote:<br></div><block=
quote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1=
px solid rgb(204,204,204);padding-left:1ex">Dear Ines<br>
<br>
Many thanks for your comments and for shepherding this document!<br>
<br>
Please see below:<br>
<br>
&gt; Since the document includes=C2=A0double RPL Instance scenario. Do you =
think that security considerations should mention what security aspects inv=
olve RPL multi-instance operation (e.g. sybil attacks, etc.)?. Maybe it wou=
ld be worthy to reminder that the security modes=C2=A0preinstalled or=C2=A0=
authenticated is applicable=C2=A0also on multi-instances scenarios.?=C2=A0<=
br>
<br>
I&#39;m unclear how sybil attacks would play there, please help me out if y=
ou think that there&#39;s a relevant case here beyond the security mode dis=
cussion. For that I suggest to add:<br>
&quot;<br>
=C2=A0 =C2=A0The 2 instances MUST be operated with the same security guaran=
tees,<br>
=C2=A0 =C2=A0e.g., both &quot;unsecured&quot; with a lower layer security o=
f a same<br>
=C2=A0 =C2=A0strength, both &quot;preinstalled&quot; or both &quot;authenti=
cated&quot; security mode<br>
=C2=A0 =C2=A0(see section 3.2.3 of [RFC6550] for more details on those mode=
s).<br>
=C2=A0 =C2=A0The latter mode could be use to enforce the segregation of upd=
ated<br>
=C2=A0 =C2=A0and non-updated nodes, by providing the keys for joining as ro=
uters<br>
=C2=A0 =C2=A0to the updated nodes only.<br>
&quot;<br>
<br>
<br>
&gt; Nits: The abstract does not mention explicitly that this draft updates=
 RFC6550 and RFC8138. It would be nice to state that on the abstract.<br>
<br>
Yes, what about:<br>
&quot;<br>
=C2=A0 =C2=A0This document updates RFC 8138 and RFC 6550 by defining a bit =
in the<br>
=C2=A0 =C2=A0RPL configuration option to indicate whether RFC 8138 compress=
ion is<br>
=C2=A0 =C2=A0used within the RPL Instance, and specify the behavior of RFC<=
br>
=C2=A0 =C2=A08138-capable nodes when the bit is set and reset.<br>
<br>
&quot;<br>
<br>
Will that work? I&#39;ll publish as soon you give me your green light.<br>
<br>
<br>
Many thanks again... keep safe and take care;<br>
<br>
<br>
Pascal<br>
<br>
<br>
[1]=C2=A0<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-roll-turnon=
-rfc8138/shepherdwriteup/" rel=3D"noreferrer" target=3D"_blank">https://dat=
atracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/shepherdwriteup/</a><b=
r>
<br>
On Fri, Apr 17, 2020 at 5:38 PM &lt;mailto:<a href=3D"mailto:dominique.bart=
hel@orange.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt; wrot=
e:<br>
Hello all,<br>
<br>
The WGLC for draft-ietf-roll-turnon-rfc8138 has been open since Feb 20th.<b=
r>
Since then, the draft has received reviews from Rahul and myself, which lea=
d the authors to publish =E2=80=9305 and =E2=80=9306.<br>
We believe all the actionable comments have been addressed.<br>
Therefore, the WGLC is now officially closed.<br>
In=C3=A8s has kindly volunteered to be the shepherd for this draft, and is =
going=C2=A0to do her write-up before we release the document to our AD.<br>
Thanks to her for taking up that role, and thanks to all of you for your co=
ntributions!<br>
<br>
Dominique &amp; Ines &amp; Michael<br>
<br>
De=C2=A0: Roll &lt;mailto:<a href=3D"mailto:roll-bounces@ietf.org" target=
=3D"_blank">roll-bounces@ietf.org</a>&gt; on behalf of Dominique Barthel &l=
t;mailto:<a href=3D"mailto:dominique.barthel@orange.com" target=3D"_blank">=
dominique.barthel@orange.com</a>&gt;<br>
R=C3=A9pondre =C3=A0=C2=A0: &quot;mailto:<a href=3D"mailto:roll@ietf.org" t=
arget=3D"_blank">roll@ietf.org</a>&quot; &lt;mailto:<a href=3D"mailto:roll@=
ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
Date=C2=A0: Friday 6 March 2020 12:08<br>
=C3=80=C2=A0: &quot;mailto:<a href=3D"mailto:roll@ietf.org" target=3D"_blan=
k">roll@ietf.org</a>&quot; &lt;mailto:<a href=3D"mailto:roll@ietf.org" targ=
et=3D"_blank">roll@ietf.org</a>&gt;<br>
Cc=C2=A0: &quot;mailto:<a href=3D"mailto:mariainesrobles@googlemail.com" ta=
rget=3D"_blank">mariainesrobles@googlemail.com</a>&quot; &lt;mailto:<a href=
=3D"mailto:mariainesrobles@googlemail.com" target=3D"_blank">mariainesroble=
s@googlemail.com</a>&gt;<br>
Objet=C2=A0: Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04<br>
<br>
Working Group,<br>
<br>
The WGLC for draft-ietf-roll-turnon-rfc8138-04 was due to expire yesterday.=
<br>
No comment was received so far.<br>
Before we equate silence with agreement, please take some time to reflect o=
n this draft, maybe even review it and most importantly send your thoughts.=
<br>
Simple responses like &quot;yes&quot;, &quot;I approve it&quot; are valid, =
too.<br>
As chairs, we need to gauge consensus. Please help us serving the community=
.<br>
Best regards<br>
<br>
In=C3=A8s &amp; Dominique<br>
<br>
De=C2=A0: &quot;mailto:<a href=3D"mailto:mariainesrobles@googlemail.com" ta=
rget=3D"_blank">mariainesrobles@googlemail.com</a>&quot; &lt;mailto:<a href=
=3D"mailto:mariainesrobles@googlemail.com" target=3D"_blank">mariainesroble=
s@googlemail.com</a>&gt;<br>
Date=C2=A0: Thursday 20 February 2020 10:16<br>
=C3=80=C2=A0: &quot;mailto:<a href=3D"mailto:roll@ietf.org" target=3D"_blan=
k">roll@ietf.org</a>&quot; &lt;mailto:<a href=3D"mailto:roll@ietf.org" targ=
et=3D"_blank">roll@ietf.org</a>&gt;<br>
Cc=C2=A0: Dominique Barthel &lt;mailto:<a href=3D"mailto:dominique.barthel@=
orange.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt;<br>
Objet=C2=A0: WGLC on draft-ietf-roll-turnon-rfc8138-04<br>
<br>
Dear all, <br>
<br>
This is a Working Group Last call for=C2=A0draft-ietf-roll-turnon-rfc8138-0=
4<br>
<br>
Please send your comments by 5th March 2020<br>
<br>
Thank you very much in advance,<br>
<br>
Ines and Dominique.<br>
___________________________________________________________________________=
______________________________________________<br>
<br>
Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc<br>
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler<br>
a l&#39;expediteur et le detruire ainsi que les pieces jointes. Les message=
s electroniques etant susceptibles d&#39;alteration,<br>
Orange decline toute responsabilite si ce message a ete altere, deforme ou =
falsifie. Merci.<br>
<br>
This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;<br>
they should not be distributed, used or copied without authorisation.<br>
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.<br>
As emails may be altered, Orange is not liable for messages that have been =
modified, changed or falsified.<br>
Thank you.<br>
___________________________________________________________________________=
______________________________________________<br>
<br>
Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc<br>
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler<br>
a l&#39;expediteur et le detruire ainsi que les pieces jointes. Les message=
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This message and its attachments may contain confidential or privileged inf=
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--000000000000fb358b05a37f4a3b--


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Subject: [Roll] I-D Action: draft-ietf-roll-turnon-rfc8138-07.txt
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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 WG of the IETF.

        Title           : A RPL Configuration Option for the 6LoWPAN Routing Header
        Authors         : Pascal Thubert
                          Li Zhao
	Filename        : draft-ietf-roll-turnon-rfc8138-07.txt
	Pages           : 10
	Date            : 2020-04-17

Abstract:
   This document updates RFC 8138 and RFC 6550 by defining a bit in the
   RPL configuration option to indicate whether RFC 8138 compression is
   used within the RPL Instance, and specify the behavior of RFC
   8138-capable nodes when the bit is set and reset.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-turnon-rfc8138-07
https://datatracker.ietf.org/doc/html/draft-ietf-roll-turnon-rfc8138-07

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-turnon-rfc8138-07


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Ines Robles <mariainesrobles@googlemail.com>
CC: Routing Over Low power and Lossy networks <roll@ietf.org>, "dominique barthel" <dominique.barthel@orange.com>
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References: <7256_1587134305_5E99BF61_7256_437_22_DABF89D6.74007%dominique.barthel@orange.com> <CAP+sJUdTE_6FD6DW0qOcbU+AeYQLzYEH_Yr_jraSdJXR3PpVPQ@mail.gmail.com> <MN2PR11MB35651E04EF3887BD2D3D4706D8D90@MN2PR11MB3565.namprd11.prod.outlook.com> <CAP+sJUc0fBVzfwViS_D8QJ5poKbc6VUr7ZRden5y3gz=SkAdpQ@mail.gmail.com> <MN2PR11MB3565CB72AA92AF7F845FB2E7D8D90@MN2PR11MB3565.namprd11.prod.outlook.com>
In-Reply-To: <MN2PR11MB3565CB72AA92AF7F845FB2E7D8D90@MN2PR11MB3565.namprd11.prod.outlook.com>
From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Fri, 17 Apr 2020 20:14:20 +0300
Message-ID: <CAP+sJUeigcQ9SMJnqBior1xiokGA+030m463YBSbdVAgUFWqRA@mail.gmail.com>
To: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
Cc: Routing Over Low power and Lossy networks <roll@ietf.org>, dominique barthel <dominique.barthel@orange.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/hBCe2r5rQp8BHEpz5WK8Qp-Ni3g>
Subject: Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
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Many thanks Pascal, checked it and write-up updated.

Best regards,

Ines.

On Fri, Apr 17, 2020 at 7:53 PM Pascal Thubert (pthubert) <
pthubert@cisco.com> wrote:

> Just submitted 07 =F0=9F=98=8A
>
>
>
> Please check
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-turnon-rfc8138-07
>
>
>
> Many thanks again, Ines,
>
>
>
> Pascal
>
>
>
> *From:* Ines Robles <mariainesrobles@googlemail.com>
> *Sent:* vendredi 17 avril 2020 18:46
> *To:* Pascal Thubert (pthubert) <pthubert@cisco.com>
> *Cc:* Routing Over Low power and Lossy networks <roll@ietf.org>;
> dominique barthel <dominique.barthel@orange.com>
> *Subject:* Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
>
>
>
> Hi Pascal,
>
>
>
> I agree with your suggestions, thank you very much for your fast response=
.
>
>
>
> I mentioned sybil attack just an example of a possible threat, just
> thinking, e.g. In a sybil attack, a malicious node might utilizes uses
> several RPL Instances to compromise the whole network. (I might be wrong)=
.
>
>
>
> Anyway, I agree to stick with the security modes that you proposed.
>
>
>
> Have a great weekend and thanks,
>
>
>
> Ines.
>
>
>
>
>
>
>
> On Fri, Apr 17, 2020 at 7:13 PM Pascal Thubert (pthubert) <
> pthubert@cisco.com> wrote:
>
> Dear Ines
>
> Many thanks for your comments and for shepherding this document!
>
> Please see below:
>
> > Since the document includes double RPL Instance scenario. Do you think
> that security considerations should mention what security aspects involve
> RPL multi-instance operation (e.g. sybil attacks, etc.)?. Maybe it would =
be
> worthy to reminder that the security modes preinstalled or authenticated =
is
> applicable also on multi-instances scenarios.?
>
> I'm unclear how sybil attacks would play there, please help me out if you
> think that there's a relevant case here beyond the security mode
> discussion. For that I suggest to add:
> "
>    The 2 instances MUST be operated with the same security guarantees,
>    e.g., both "unsecured" with a lower layer security of a same
>    strength, both "preinstalled" or both "authenticated" security mode
>    (see section 3.2.3 of [RFC6550] for more details on those modes).
>    The latter mode could be use to enforce the segregation of updated
>    and non-updated nodes, by providing the keys for joining as routers
>    to the updated nodes only.
> "
>
>
> > Nits: The abstract does not mention explicitly that this draft updates
> RFC6550 and RFC8138. It would be nice to state that on the abstract.
>
> Yes, what about:
> "
>    This document updates RFC 8138 and RFC 6550 by defining a bit in the
>    RPL configuration option to indicate whether RFC 8138 compression is
>    used within the RPL Instance, and specify the behavior of RFC
>    8138-capable nodes when the bit is set and reset.
>
> "
>
> Will that work? I'll publish as soon you give me your green light.
>
>
> Many thanks again... keep safe and take care;
>
>
> Pascal
>
>
> [1]
> https://datatracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/shepherdw=
riteup/
>
> On Fri, Apr 17, 2020 at 5:38 PM <mailto:dominique.barthel@orange.com>
> wrote:
> Hello all,
>
> The WGLC for draft-ietf-roll-turnon-rfc8138 has been open since Feb 20th.
> Since then, the draft has received reviews from Rahul and myself, which
> lead the authors to publish =E2=80=9305 and =E2=80=9306.
> We believe all the actionable comments have been addressed.
> Therefore, the WGLC is now officially closed.
> In=C3=A8s has kindly volunteered to be the shepherd for this draft, and i=
s
> going to do her write-up before we release the document to our AD.
> Thanks to her for taking up that role, and thanks to all of you for your
> contributions!
>
> Dominique & Ines & Michael
>
> De : Roll <mailto:roll-bounces@ietf.org> on behalf of Dominique Barthel
> <mailto:dominique.barthel@orange.com>
> R=C3=A9pondre =C3=A0 : "mailto:roll@ietf.org" <mailto:roll@ietf.org>
> Date : Friday 6 March 2020 12:08
> =C3=80 : "mailto:roll@ietf.org" <mailto:roll@ietf.org>
> Cc : "mailto:mariainesrobles@googlemail.com" <mailto:
> mariainesrobles@googlemail.com>
> Objet : Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04
>
> Working Group,
>
> The WGLC for draft-ietf-roll-turnon-rfc8138-04 was due to expire yesterda=
y.
> No comment was received so far.
> Before we equate silence with agreement, please take some time to reflect
> on this draft, maybe even review it and most importantly send your though=
ts.
> Simple responses like "yes", "I approve it" are valid, too.
> As chairs, we need to gauge consensus. Please help us serving the
> community.
> Best regards
>
> In=C3=A8s & Dominique
>
> De : "mailto:mariainesrobles@googlemail.com" <mailto:
> mariainesrobles@googlemail.com>
> Date : Thursday 20 February 2020 10:16
> =C3=80 : "mailto:roll@ietf.org" <mailto:roll@ietf.org>
> Cc : Dominique Barthel <mailto:dominique.barthel@orange.com>
> Objet : WGLC on draft-ietf-roll-turnon-rfc8138-04
>
> Dear all,
>
> This is a Working Group Last call for draft-ietf-roll-turnon-rfc8138-04
>
> Please send your comments by 5th March 2020
>
> Thank you very much in advance,
>
> Ines and Dominique.
>
> _________________________________________________________________________=
________________________________________________
>
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> Orange decline toute responsabilite si ce message a ete altere, deforme o=
u
> falsifie. Merci.
>
> This message and its attachments may contain confidential or privileged
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>
> _________________________________________________________________________=
________________________________________________
>
> Ce message et ses pieces jointes peuvent contenir des informations
> confidentielles ou privilegiees et ne doivent donc
> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez
> recu ce message par erreur, veuillez le signaler
> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages
> electroniques etant susceptibles d'alteration,
> Orange decline toute responsabilite si ce message a ete altere, deforme o=
u
> falsifie. Merci.
>
> This message and its attachments may contain confidential or privileged
> information that may be protected by law;
> they should not be distributed, used or copied without authorisation.
> If you have received this email in error, please notify the sender and
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Content-Type: text/html; charset="UTF-8"
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<div dir=3D"ltr">Many thanks Pascal, checked it and write-up updated.<div><=
br></div><div>Best regards,</div><div><br></div><div>Ines.</div></div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Apr=
 17, 2020 at 7:53 PM Pascal Thubert (pthubert) &lt;<a href=3D"mailto:pthube=
rt@cisco.com">pthubert@cisco.com</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">





<div lang=3D"EN-US">
<div class=3D"gmail-m_-8560060255475081742WordSection1">
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Just submitted 07
</span></font><font face=3D"Segoe UI Emoji"><span style=3D"font-family:&quo=
t;Segoe UI Emoji&quot;,sans-serif">=F0=9F=98=8A</span></font><u></u><u></u>=
</p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"gmail-m_-8560060255475081742MsoPlainText"><font size=3D"2" face=
=3D"Calibri"><span style=3D"font-size:11pt">Please check
</span><a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-turno=
n-rfc8138-07" target=3D"_blank">https://www.ietf.org/rfcdiff?url2=3Ddraft-i=
etf-roll-turnon-rfc8138-07</a><u></u><u></u></font></p>
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Calibri"><span style=3D"=
font-size:11pt;font-weight:bold"><u></u>=C2=A0<u></u></span></font></b></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Many thanks again, Ines,<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Pascal<u></u><u></u></span></font></p>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<div style=3D"border-top:none;border-right:none;border-bottom:none;border-l=
eft:1.5pt solid blue;padding:0cm 0cm 0cm 4pt">
<div>
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Calibri"><span style=3D"=
font-size:11pt;font-weight:bold">From:</span></font></b> Ines Robles &lt;<a=
 href=3D"mailto:mariainesrobles@googlemail.com" target=3D"_blank">mariaines=
robles@googlemail.com</a>&gt;
<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> vendredi 17 avril 2020=
 18:46<br>
<b><span style=3D"font-weight:bold">To:</span></b> Pascal Thubert (pthubert=
) &lt;<a href=3D"mailto:pthubert@cisco.com" target=3D"_blank">pthubert@cisc=
o.com</a>&gt;<br>
<b><span style=3D"font-weight:bold">Cc:</span></b> Routing Over Low power a=
nd Lossy networks &lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">ro=
ll@ietf.org</a>&gt;; dominique barthel &lt;<a href=3D"mailto:dominique.bart=
hel@orange.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt;<br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [Roll] WGLC on =
draft-ietf-roll-turnon-rfc8138-04<u></u><u></u></p>
</div>
</div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Hi Pascal,<u></u><u></u></span></font></p>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">I agree with your suggestions, thank you very much for your fa=
st=C2=A0response.<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">I mentioned sybil attack just an example of a possible threat,=
 just thinking, e.g. In a sybil attack, a malicious node might utilizes use=
s several RPL Instances to compromise
 the whole network. (I might be wrong).=C2=A0<u></u><u></u></span></font></=
p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Anyway, I agree to stick with the security modes that you prop=
osed.=C2=A0<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Have a great weekend and thanks,=C2=A0<u></u><u></u></span></f=
ont></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Ines.<u></u><u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
</div>
</div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt"><u></u>=C2=A0<u></u></span></font></p>
<div>
<div>
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">On Fri, Apr 17, 2020 at 7:13 PM Pascal Thubert (pthubert) &lt;=
<a href=3D"mailto:pthubert@cisco.com" target=3D"_blank">pthubert@cisco.com<=
/a>&gt; wrote:<u></u><u></u></span></font></p>
</div>
<blockquote style=3D"border-top:none;border-right:none;border-bottom:none;b=
order-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin-left:4=
.8pt;margin-right:0cm">
<p class=3D"MsoNormal"><font size=3D"2" face=3D"Calibri"><span style=3D"fon=
t-size:11pt">Dear Ines<br>
<br>
Many thanks for your comments and for shepherding this document!<br>
<br>
Please see below:<br>
<br>
&gt; Since the document includes=C2=A0double RPL Instance scenario. Do you =
think that security considerations should mention what security aspects inv=
olve RPL multi-instance operation (e.g. sybil attacks, etc.)?. Maybe it wou=
ld be worthy to reminder that the security
 modes=C2=A0preinstalled or=C2=A0authenticated is applicable=C2=A0also on m=
ulti-instances scenarios.?=C2=A0<br>
<br>
I&#39;m unclear how sybil attacks would play there, please help me out if y=
ou think that there&#39;s a relevant case here beyond the security mode dis=
cussion. For that I suggest to add:<br>
&quot;<br>
=C2=A0 =C2=A0The 2 instances MUST be operated with the same security guaran=
tees,<br>
=C2=A0 =C2=A0e.g., both &quot;unsecured&quot; with a lower layer security o=
f a same<br>
=C2=A0 =C2=A0strength, both &quot;preinstalled&quot; or both &quot;authenti=
cated&quot; security mode<br>
=C2=A0 =C2=A0(see section 3.2.3 of [RFC6550] for more details on those mode=
s).<br>
=C2=A0 =C2=A0The latter mode could be use to enforce the segregation of upd=
ated<br>
=C2=A0 =C2=A0and non-updated nodes, by providing the keys for joining as ro=
uters<br>
=C2=A0 =C2=A0to the updated nodes only.<br>
&quot;<br>
<br>
<br>
&gt; Nits: The abstract does not mention explicitly that this draft updates=
 RFC6550 and RFC8138. It would be nice to state that on the abstract.<br>
<br>
Yes, what about:<br>
&quot;<br>
=C2=A0 =C2=A0This document updates RFC 8138 and RFC 6550 by defining a bit =
in the<br>
=C2=A0 =C2=A0RPL configuration option to indicate whether RFC 8138 compress=
ion is<br>
=C2=A0 =C2=A0used within the RPL Instance, and specify the behavior of RFC<=
br>
=C2=A0 =C2=A08138-capable nodes when the bit is set and reset.<br>
<br>
&quot;<br>
<br>
Will that work? I&#39;ll publish as soon you give me your green light.<br>
<br>
<br>
Many thanks again... keep safe and take care;<br>
<br>
<br>
Pascal<br>
<br>
<br>
[1]=C2=A0<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-roll-turnon=
-rfc8138/shepherdwriteup/" target=3D"_blank">https://datatracker.ietf.org/d=
oc/draft-ietf-roll-turnon-rfc8138/shepherdwriteup/</a><br>
<br>
On Fri, Apr 17, 2020 at 5:38 PM &lt;mailto:<a href=3D"mailto:dominique.bart=
hel@orange.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt; wrot=
e:<br>
Hello all,<br>
<br>
The WGLC for draft-ietf-roll-turnon-rfc8138 has been open since Feb 20th.<b=
r>
Since then, the draft has received reviews from Rahul and myself, which lea=
d the authors to publish =E2=80=9305 and =E2=80=9306.<br>
We believe all the actionable comments have been addressed.<br>
Therefore, the WGLC is now officially closed.<br>
In=C3=A8s has kindly volunteered to be the shepherd for this draft, and is =
going=C2=A0to do her write-up before we release the document to our AD.<br>
Thanks to her for taking up that role, and thanks to all of you for your co=
ntributions!<br>
<br>
Dominique &amp; Ines &amp; Michael<br>
<br>
De=C2=A0: Roll &lt;mailto:<a href=3D"mailto:roll-bounces@ietf.org" target=
=3D"_blank">roll-bounces@ietf.org</a>&gt; on behalf of Dominique Barthel &l=
t;mailto:<a href=3D"mailto:dominique.barthel@orange.com" target=3D"_blank">=
dominique.barthel@orange.com</a>&gt;<br>
R=C3=A9pondre =C3=A0=C2=A0: &quot;mailto:<a href=3D"mailto:roll@ietf.org" t=
arget=3D"_blank">roll@ietf.org</a>&quot; &lt;mailto:<a href=3D"mailto:roll@=
ietf.org" target=3D"_blank">roll@ietf.org</a>&gt;<br>
Date=C2=A0: Friday 6 March 2020 12:08<br>
=C3=80=C2=A0: &quot;mailto:<a href=3D"mailto:roll@ietf.org" target=3D"_blan=
k">roll@ietf.org</a>&quot; &lt;mailto:<a href=3D"mailto:roll@ietf.org" targ=
et=3D"_blank">roll@ietf.org</a>&gt;<br>
Cc=C2=A0: &quot;mailto:<a href=3D"mailto:mariainesrobles@googlemail.com" ta=
rget=3D"_blank">mariainesrobles@googlemail.com</a>&quot; &lt;mailto:<a href=
=3D"mailto:mariainesrobles@googlemail.com" target=3D"_blank">mariainesroble=
s@googlemail.com</a>&gt;<br>
Objet=C2=A0: Re: [Roll] WGLC on draft-ietf-roll-turnon-rfc8138-04<br>
<br>
Working Group,<br>
<br>
The WGLC for draft-ietf-roll-turnon-rfc8138-04 was due to expire yesterday.=
<br>
No comment was received so far.<br>
Before we equate silence with agreement, please take some time to reflect o=
n this draft, maybe even review it and most importantly send your thoughts.=
<br>
Simple responses like &quot;yes&quot;, &quot;I approve it&quot; are valid, =
too.<br>
As chairs, we need to gauge consensus. Please help us serving the community=
.<br>
Best regards<br>
<br>
In=C3=A8s &amp; Dominique<br>
<br>
De=C2=A0: &quot;mailto:<a href=3D"mailto:mariainesrobles@googlemail.com" ta=
rget=3D"_blank">mariainesrobles@googlemail.com</a>&quot; &lt;mailto:<a href=
=3D"mailto:mariainesrobles@googlemail.com" target=3D"_blank">mariainesroble=
s@googlemail.com</a>&gt;<br>
Date=C2=A0: Thursday 20 February 2020 10:16<br>
=C3=80=C2=A0: &quot;mailto:<a href=3D"mailto:roll@ietf.org" target=3D"_blan=
k">roll@ietf.org</a>&quot; &lt;mailto:<a href=3D"mailto:roll@ietf.org" targ=
et=3D"_blank">roll@ietf.org</a>&gt;<br>
Cc=C2=A0: Dominique Barthel &lt;mailto:<a href=3D"mailto:dominique.barthel@=
orange.com" target=3D"_blank">dominique.barthel@orange.com</a>&gt;<br>
Objet=C2=A0: WGLC on draft-ietf-roll-turnon-rfc8138-04<br>
<br>
Dear all, <br>
<br>
This is a Working Group Last call for=C2=A0draft-ietf-roll-turnon-rfc8138-0=
4<br>
<br>
Please send your comments by 5th March 2020<br>
<br>
Thank you very much in advance,<br>
<br>
Ines and Dominique.<br>
___________________________________________________________________________=
______________________________________________<br>
<br>
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Orange decline toute responsabilite si ce message a ete altere, deforme ou =
falsifie. Merci.<br>
<br>
This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;<br>
they should not be distributed, used or copied without authorisation.<br>
If you have received this email in error, please notify the sender and dele=
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As emails may be altered, Orange is not liable for messages that have been =
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</blockquote>
</div>
</div>
</div>
</div>

</blockquote></div>

--000000000000541a0205a37fb0cd--


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Subject: [Roll] Publication has been requested for draft-ietf-roll-turnon-rfc8138-07
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Ines Robles has requested publication of draft-ietf-roll-turnon-rfc8138-07 as Proposed Standard on behalf of the ROLL working group.

Please verify the document's state at https://datatracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/



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On April 15, 2020 at 10:31:47 PM, Rahul Jadhav wrote:


Rahul:

Hi!


This change seems ok. =C2=A0However, please keep in mind that this document
is already in the RFC Editor's queue...which in general means that we
shouldn't be changing it too much/often.


This is the new text you added:

=C2=A0 =C2=A0Value 195 represents 'E' and 'A' bit in RPL Status to be set a=
s per
=C2=A0 =C2=A0Figure 3 of [I-D.ietf-roll-unaware-leaves] with the lower 6 bi=
ts with
=C2=A0 =C2=A0value 3 indicating 'Moved' as per Table 1 of [RFC8505].

I have a couple of comments:

1. [nit/minor] "'E' and 'A' bit in RPL Status to be set as per Figure
3" =C2=A0The figure shows how the fields are placed in the RPL Status, not
how/when to set the bits.

2. [minor] "with the lower 6 bits with value 3" =C2=A0This is technically
correct, but I had to read it a couple of times because the
combination of "bits" and "value" makes it sound as if bit 3 may be
set.

3. [major] Add a Normative reference to rfc8505.


Suggestion>
=C2=A0 =C2=A0An RPL Status of 195 represents the 'E' and 'A' bits set
=C2=A0 =C2=A0([I-D.ietf-roll-unaware-leaves]), and a Value of 3 ('Moved') a=
s per Table 1
=C2=A0 =C2=A0of [RFC8505].


One more nit in Figure 3: =C2=A0s/RPL =C2=A0Status/RPL Status



Thanks!

Alvaro.



> Since unaware-leaves to coming close to closure, I thought now is the tim=
e to
> make the update to this draft (it was in cross-ref with unaware-leaves).
> We have a value for RPL Status Moved in DCO. And it is 195. The update
> explains this.
>
> Any feedback/comment is most appreciated.
>
> References:
> 1. [Roll] Unaware-leaves - ND-Status and RPL-Status linkage
> 2. https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY=
/
> 3. Why 195? https://github.com/roll-wg/efficient-route-invalidation/blob/=
master/why-RPL-Status-195.png


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Date: Sat, 18 Apr 2020 09:20:28 +0800
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To: Alvaro Retana <aretana.ietf@gmail.com>
Cc: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: Re: [Roll] Fwd: New Version Notification for draft-ietf-roll-efficient-npdao-18.txt
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Many thanks Alvaro for reviewing the changes.

I have made fixes for all the comments you made. (But I am not sure if I
have handled point 2 properly.)
So as not to push another version to datatracker till we have finalized
changes, I have pushed the changes to roll-wg repo, and hoping you could
please skim through the diff there.
https://htmlpreview.github.io/?https://github.com/roll-wg/efficient-route-invalidation/blob/master/diff-draft-ietf-roll-efficient-npdao.html

Thanks,
Rahul

On Sat, 18 Apr 2020 at 04:30, Alvaro Retana <aretana.ietf@gmail.com> wrote:

> On April 15, 2020 at 10:31:47 PM, Rahul Jadhav wrote:
>
>
> Rahul:
>
> Hi!
>
>
> This change seems ok.  However, please keep in mind that this document
> is already in the RFC Editor's queue...which in general means that we
> shouldn't be changing it too much/often.
>
>
> This is the new text you added:
>
>    Value 195 represents 'E' and 'A' bit in RPL Status to be set as per
>    Figure 3 of [I-D.ietf-roll-unaware-leaves] with the lower 6 bits with
>    value 3 indicating 'Moved' as per Table 1 of [RFC8505].
>
> I have a couple of comments:
>
> 1. [nit/minor] "'E' and 'A' bit in RPL Status to be set as per Figure
> 3"  The figure shows how the fields are placed in the RPL Status, not
> how/when to set the bits.
>
> 2. [minor] "with the lower 6 bits with value 3"  This is technically
> correct, but I had to read it a couple of times because the
> combination of "bits" and "value" makes it sound as if bit 3 may be
> set.
>
> 3. [major] Add a Normative reference to rfc8505.
>
>
> Suggestion>
>    An RPL Status of 195 represents the 'E' and 'A' bits set
>    ([I-D.ietf-roll-unaware-leaves]), and a Value of 3 ('Moved') as per
> Table 1
>    of [RFC8505].
>
>
> One more nit in Figure 3:  s/RPL  Status/RPL Status
>
>
>
> Thanks!
>
> Alvaro.
>
>
>
> > Since unaware-leaves to coming close to closure, I thought now is the
> time to
> > make the update to this draft (it was in cross-ref with unaware-leaves).
> > We have a value for RPL Status Moved in DCO. And it is 195. The update
> > explains this.
> >
> > Any feedback/comment is most appreciated.
> >
> > References:
> > 1. [Roll] Unaware-leaves - ND-Status and RPL-Status linkage
> > 2.
> https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY/
> > 3. Why 195?
> https://github.com/roll-wg/efficient-route-invalidation/blob/master/why-RPL-Status-195.png
>

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<div dir=3D"ltr">Many thanks Alvaro for reviewing the changes.<div><br></di=
v><div>I have made fixes for all the comments you made. (But I am not sure =
if I have handled point 2 properly.)</div><div>So as not to push another ve=
rsion to datatracker till we have finalized changes, I have pushed the chan=
ges to roll-wg repo, and hoping you could please skim through the diff=C2=
=A0there.<br></div><div><a href=3D"https://htmlpreview.github.io/?https://g=
ithub.com/roll-wg/efficient-route-invalidation/blob/master/diff-draft-ietf-=
roll-efficient-npdao.html">https://htmlpreview.github.io/?https://github.co=
m/roll-wg/efficient-route-invalidation/blob/master/diff-draft-ietf-roll-eff=
icient-npdao.html</a><br></div><div><br></div><div>Thanks,</div><div>Rahul<=
/div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_a=
ttr">On Sat, 18 Apr 2020 at 04:30, Alvaro Retana &lt;<a href=3D"mailto:aret=
ana.ietf@gmail.com">aretana.ietf@gmail.com</a>&gt; wrote:<br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px=
 solid rgb(204,204,204);padding-left:1ex">On April 15, 2020 at 10:31:47 PM,=
 Rahul Jadhav wrote:<br>
<br>
<br>
Rahul:<br>
<br>
Hi!<br>
<br>
<br>
This change seems ok.=C2=A0 However, please keep in mind that this document=
<br>
is already in the RFC Editor&#39;s queue...which in general means that we<b=
r>
shouldn&#39;t be changing it too much/often.<br>
<br>
<br>
This is the new text you added:<br>
<br>
=C2=A0 =C2=A0Value 195 represents &#39;E&#39; and &#39;A&#39; bit in RPL St=
atus to be set as per<br>
=C2=A0 =C2=A0Figure 3 of [I-D.ietf-roll-unaware-leaves] with the lower 6 bi=
ts with<br>
=C2=A0 =C2=A0value 3 indicating &#39;Moved&#39; as per Table 1 of [RFC8505]=
.<br>
<br>
I have a couple of comments:<br>
<br>
1. [nit/minor] &quot;&#39;E&#39; and &#39;A&#39; bit in RPL Status to be se=
t as per Figure<br>
3&quot; =C2=A0The figure shows how the fields are placed in the RPL Status,=
 not<br>
how/when to set the bits.<br>
<br>
2. [minor] &quot;with the lower 6 bits with value 3&quot; =C2=A0This is tec=
hnically<br>
correct, but I had to read it a couple of times because the<br>
combination of &quot;bits&quot; and &quot;value&quot; makes it sound as if =
bit 3 may be<br>
set.<br>
<br>
3. [major] Add a Normative reference to rfc8505.<br>
<br>
<br>
Suggestion&gt;<br>
=C2=A0 =C2=A0An RPL Status of 195 represents the &#39;E&#39; and &#39;A&#39=
; bits set<br>
=C2=A0 =C2=A0([I-D.ietf-roll-unaware-leaves]), and a Value of 3 (&#39;Moved=
&#39;) as per Table 1<br>
=C2=A0 =C2=A0of [RFC8505].<br>
<br>
<br>
One more nit in Figure 3: =C2=A0s/RPL =C2=A0Status/RPL Status<br>
<br>
<br>
<br>
Thanks!<br>
<br>
Alvaro.<br>
<br>
<br>
<br>
&gt; Since unaware-leaves to coming close to closure, I thought now is the =
time to<br>
&gt; make the update to this draft (it was in cross-ref with unaware-leaves=
).<br>
&gt; We have a value for RPL Status Moved in DCO. And it is 195. The update=
<br>
&gt; explains this.<br>
&gt;<br>
&gt; Any feedback/comment is most appreciated.<br>
&gt;<br>
&gt; References:<br>
&gt; 1. [Roll] Unaware-leaves - ND-Status and RPL-Status linkage<br>
&gt; 2. <a href=3D"https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoU=
sHc0ge8VUx-6KY/" rel=3D"noreferrer" target=3D"_blank">https://mailarchive.i=
etf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY/</a><br>
&gt; 3. Why 195? <a href=3D"https://github.com/roll-wg/efficient-route-inva=
lidation/blob/master/why-RPL-Status-195.png" rel=3D"noreferrer" target=3D"_=
blank">https://github.com/roll-wg/efficient-route-invalidation/blob/master/=
why-RPL-Status-195.png</a><br>
</blockquote></div>

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Changed milestone "Initial submission to the IESG of mechanism to turn on
RFC8138 compression feature within a RPL network", resolved as "Done".

URL: https://datatracker.ietf.org/wg/roll/about/


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Subject: [Roll] RIOT Summit 2020: Call for Contributions
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Dear all,

the below call for contributions might be of interest for you, as RIOT
provides an open source implementation of RPL.

In particular, ROLL-related talks, tutorials, or demos are very
welcome -- *both
online and onsite* -- on Sept. 14-15. Looking forward to your proposals!

Cheers,

Emmanuel


(Apologies for potential cross-posting)

************************************************************************

CALL FOR CONTRIBUTIONS

RIOT Summit 2020

September 14-15, 2020

Participation options: online & on-site
(f2f meeting to be confirmed, at Station F, Paris, France)

https://summit.riot-os.org

************************************************************************

RIOT is an open source operating system for microcontroller-based IoT
devices. Initially developed by folks from academia, the RIOT community
now consists of companies, makers, and hobbyist, distributed
all around the world.

The RIOT community gathers yearly at the RIOT Summit, which brings
together RIOTers, beginners, and experts, as well as people interested
in the IoT in general and decision makers who plan to deploy RIOT in the
future. The event combines plenary talks, hands-on tutorials, and demos.

Every year since 2016, the RIOT Summit was successful in providing
a forum to connect. We aim to continue this tradition in 2020,
with some changes catering for online participation. We will try
our very best to create the special RIOT Summit atmosphere online,
as well as onsite (f2f to be confirmed, at French Tech Central in
Station F, Paris, France).

The organizers of the RIOT Summit call for contributions that relate to
RIOT and the Internet of Things. If you want to present a talk, a
tutorial, or a demo (whether online or onsite!) please consider the Call
for Contributions:

  * https://summit.riot-os.org/2020/call-for-contributions


Best regards,
the organizers, on behalf of the RIOT community

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<div dir=3D"ltr"><div><div><span>Dear all,<br></span></div><div><span><br><=
/span></div><div><span>the below call for contributions might be of interes=
t for you, as RIOT provides an open source implementation of RPL. </span></=
div><div><span><br></span></div><div><span>In particular, ROLL-related talk=
s, tutorials, or demos are very welcome -- <u>both online and onsite</u> --=
 on Sept. 14-15. Looking forward to your proposals!<br></span></div><div><s=
pan><br></span></div><div><span>Cheers,</span></div><div><span><br></span><=
/div><div><span>Emmanuel<br></span></div><div><span><br></span></div><div><=
span><br></span></div><div><span>(Apologies for potential cross-posting)<br=
><br>**********************************************************************=
**<br><br>CALL FOR CONTRIBUTIONS<br><br>RIOT Summit 2020<br><br>September 1=
4-15, 2020<br><br>Participation options: online &amp; on-site<br>(f2f meeti=
ng to be confirmed, at Station F, Paris, France)<br><br><a href=3D"https://=
summit.riot-os.org" target=3D"_blank">https://summit.riot-os.org</a><br><br=
>************************************************************************<b=
r><br>RIOT is an open source operating system for microcontroller-based IoT=
<br></span>devices. Initially developed by folks from academia, the RIOT co=
mmunity <br><span>now consists of companies, makers, and hobbyist, distribu=
ted <br>all around the world.<br><br></span>The RIOT community gathers year=
ly at the RIOT Summit, which brings<span><br>together RIOTers, beginners, a=
nd experts, as well as people interested<br>in the IoT in general and decis=
ion makers who plan to deploy RIOT in the<br>future. The event combines ple=
nary talks, hands-on tutorials, and demos.<br><br></span>Every year since 2=
016, the RIOT Summit was successful in providing<br>a forum to connect. We =
aim to continue this tradition in 2020, <br>with some changes catering for =
online participation. We will try <br>our very best to create the special R=
IOT Summit atmosphere online,<br>as well as onsite (f2f to be confirmed, at=
 French Tech Central in<br>Station F, Paris, France).<span><br><br>The orga=
nizers of the RIOT Summit call for contributions that relate to<br>RIOT and=
 the Internet of Things. If you want to present a talk, a<br>tutorial, or a=
 demo (whether online or onsite!) please consider the Call<br>for Contribut=
ions:<br><br>=C2=A0 * <a href=3D"https://summit.riot-os.org/2020/call-for-c=
ontributions" target=3D"_blank">https://summit.riot-os.org/2020/call-for-co=
ntributions</a><br><br><br>Best regards,<br>the organizers, on behalf of th=
e RIOT community</span></div></div></div>

--00000000000043308a05a405cbe0--


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To: Rahul Jadhav <rahul.ietf@gmail.com>
Cc: Routing Over Low power and Lossy networks <roll@ietf.org>
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--00000000000022cab505a41c59e7
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

Rahul:

Let=E2=80=99s leave it as is=E2=80=A6we can add the reference later when th=
e RFC Editor
edits the document.

Thanks!

Alvaro.

On April 17, 2020 at 9:20:40 PM, Rahul Jadhav (rahul.ietf@gmail.com) wrote:

Many thanks Alvaro for reviewing the changes.

I have made fixes for all the comments you made. (But I am not sure if I
have handled point 2 properly.)
So as not to push another version to datatracker till we have finalized
changes, I have pushed the changes to roll-wg repo, and hoping you could
please skim through the diff there.
https://htmlpreview.github.io/?https://github.com/roll-wg/efficient-route-i=
nvalidation/blob/master/diff-draft-ietf-roll-efficient-npdao.html

Thanks,
Rahul

On Sat, 18 Apr 2020 at 04:30, Alvaro Retana <aretana.ietf@gmail.com> wrote:

> On April 15, 2020 at 10:31:47 PM, Rahul Jadhav wrote:
>
>
> Rahul:
>
> Hi!
>
>
> This change seems ok.  However, please keep in mind that this document
> is already in the RFC Editor's queue...which in general means that we
> shouldn't be changing it too much/often.
>
>
> This is the new text you added:
>
>    Value 195 represents 'E' and 'A' bit in RPL Status to be set as per
>    Figure 3 of [I-D.ietf-roll-unaware-leaves] with the lower 6 bits with
>    value 3 indicating 'Moved' as per Table 1 of [RFC8505].
>
> I have a couple of comments:
>
> 1. [nit/minor] "'E' and 'A' bit in RPL Status to be set as per Figure
> 3"  The figure shows how the fields are placed in the RPL Status, not
> how/when to set the bits.
>
> 2. [minor] "with the lower 6 bits with value 3"  This is technically
> correct, but I had to read it a couple of times because the
> combination of "bits" and "value" makes it sound as if bit 3 may be
> set.
>
> 3. [major] Add a Normative reference to rfc8505.
>
>
> Suggestion>
>    An RPL Status of 195 represents the 'E' and 'A' bits set
>    ([I-D.ietf-roll-unaware-leaves]), and a Value of 3 ('Moved') as per
> Table 1
>    of [RFC8505].
>
>
> One more nit in Figure 3:  s/RPL  Status/RPL Status
>
>
>
> Thanks!
>
> Alvaro.
>
>
>
> > Since unaware-leaves to coming close to closure, I thought now is the
> time to
> > make the update to this draft (it was in cross-ref with unaware-leaves)=
.
> > We have a value for RPL Status Moved in DCO. And it is 195. The update
> > explains this.
> >
> > Any feedback/comment is most appreciated.
> >
> > References:
> > 1. [Roll] Unaware-leaves - ND-Status and RPL-Status linkage
> > 2.
> https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY/
> > 3. Why 195?
> https://github.com/roll-wg/efficient-route-invalidation/blob/master/why-R=
PL-Status-195.png
>

--00000000000022cab505a41c59e7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style>=
</head><body style=3D"word-wrap:break-word"><div style=3D"font-family:Helve=
tica,Arial;font-size:13px">Rahul:</div><div style=3D"font-family:Helvetica,=
Arial;font-size:13px"><br></div><div style=3D"font-family:Helvetica,Arial;f=
ont-size:13px">Let=E2=80=99s leave it as is=E2=80=A6we can add the referenc=
e later when the RFC Editor edits the document.</div><div style=3D"font-fam=
ily:Helvetica,Arial;font-size:13px"><br></div><div style=3D"font-family:Hel=
vetica,Arial;font-size:13px">Thanks!</div><div style=3D"font-family:Helveti=
ca,Arial;font-size:13px"><br></div><div style=3D"font-family:Helvetica,Aria=
l;font-size:13px">Alvaro.</div> <br><p class=3D"airmail_on">On April 17, 20=
20 at 9:20:40 PM, Rahul Jadhav (<a href=3D"mailto:rahul.ietf@gmail.com">rah=
ul.ietf@gmail.com</a>) wrote:</p> <blockquote type=3D"cite" class=3D"clean_=
bq"><span><div><div></div><div>


<title></title>


<div dir=3D"ltr">Many thanks Alvaro for reviewing the changes.
<div><br></div>
<div>I have made fixes for all the comments you made. (But I am not
sure if I have handled point 2 properly.)</div>
<div>So as not to push another version to datatracker till we have
finalized changes, I have pushed the changes to roll-wg repo, and
hoping you could please skim through the
diff=C2=A0there.<br></div>
<div><a href=3D"https://htmlpreview.github.io/?https://github.com/roll-wg/e=
fficient-route-invalidation/blob/master/diff-draft-ietf-roll-efficient-npda=
o.html">
https://htmlpreview.github.io/?https://github.com/roll-wg/efficient-route-i=
nvalidation/blob/master/diff-draft-ietf-roll-efficient-npdao.html</a><br>
</div>
<div><br></div>
<div>Thanks,</div>
<div>Rahul</div>
</div>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Sat, 18 Apr 2020 at 04:30,
Alvaro Retana &lt;<a href=3D"mailto:aretana.ietf@gmail.com">aretana.ietf@gm=
ail.com</a>&gt;
wrote:<br></div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">
On April 15, 2020 at 10:31:47 PM, Rahul Jadhav wrote:<br>
<br>
<br>
Rahul:<br>
<br>
Hi!<br>
<br>
<br>
This change seems ok.=C2=A0 However, please keep in mind that this
document<br>
is already in the RFC Editor&#39;s queue...which in general means that
we<br>
shouldn&#39;t be changing it too much/often.<br>
<br>
<br>
This is the new text you added:<br>
<br>
=C2=A0 =C2=A0Value 195 represents &#39;E&#39; and &#39;A&#39; bit in RPL St=
atus to
be set as per<br>
=C2=A0 =C2=A0Figure 3 of [I-D.ietf-roll-unaware-leaves] with the
lower 6 bits with<br>
=C2=A0 =C2=A0value 3 indicating &#39;Moved&#39; as per Table 1 of
[RFC8505].<br>
<br>
I have a couple of comments:<br>
<br>
1. [nit/minor] &quot;&#39;E&#39; and &#39;A&#39; bit in RPL Status to be se=
t as per
Figure<br>
3&quot; =C2=A0The figure shows how the fields are placed in the RPL
Status, not<br>
how/when to set the bits.<br>
<br>
2. [minor] &quot;with the lower 6 bits with value 3&quot; =C2=A0This is
technically<br>
correct, but I had to read it a couple of times because the<br>
combination of &quot;bits&quot; and &quot;value&quot; makes it sound as if =
bit 3 may
be<br>
set.<br>
<br>
3. [major] Add a Normative reference to rfc8505.<br>
<br>
<br>
Suggestion&gt;<br>
=C2=A0 =C2=A0An RPL Status of 195 represents the &#39;E&#39; and &#39;A&#39=
; bits
set<br>
=C2=A0 =C2=A0([I-D.ietf-roll-unaware-leaves]), and a Value of 3
(&#39;Moved&#39;) as per Table 1<br>
=C2=A0 =C2=A0of [RFC8505].<br>
<br>
<br>
One more nit in Figure 3: =C2=A0s/RPL =C2=A0Status/RPL Status<br>
<br>
<br>
<br>
Thanks!<br>
<br>
Alvaro.<br>
<br>
<br>
<br>
&gt; Since unaware-leaves to coming close to closure, I thought now
is the time to<br>
&gt; make the update to this draft (it was in cross-ref with
unaware-leaves).<br>
&gt; We have a value for RPL Status Moved in DCO. And it is 195.
The update<br>
&gt; explains this.<br>
&gt;<br>
&gt; Any feedback/comment is most appreciated.<br>
&gt;<br>
&gt; References:<br>
&gt; 1. [Roll] Unaware-leaves - ND-Status and RPL-Status
linkage<br>
&gt; 2. <a href=3D"https://mailarchive.ietf.org/arch/msg/roll/cxyoy9uUtWQoU=
sHc0ge8VUx-6KY/" rel=3D"noreferrer" target=3D"_blank">https://mailarchive.i=
etf.org/arch/msg/roll/cxyoy9uUtWQoUsHc0ge8VUx-6KY/</a><br>

&gt; 3. Why 195? <a href=3D"https://github.com/roll-wg/efficient-route-inva=
lidation/blob/master/why-RPL-Status-195.png" rel=3D"noreferrer" target=3D"_=
blank">https://github.com/roll-wg/efficient-route-invalidation/blob/master/=
why-RPL-Status-195.png</a><br>
</blockquote>
</div>


</div></div></span></blockquote> <div class=3D"gmail_signature"></div></bod=
y></html>

--00000000000022cab505a41c59e7--


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Subject: [Roll] I-D Action: draft-ietf-roll-enrollment-priority-02.txt
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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 WG of the IETF.

        Title           : Enabling secure network enrollment in RPL networks
        Author          : Michael Richardson
	Filename        : draft-ietf-roll-enrollment-priority-02.txt
	Pages           : 8
	Date            : 2020-04-25

Abstract:
   [I-D.ietf-6tisch-enrollment-enhanced-beacon] defines a method by
   which a potential [I-D.ietf-6tisch-minimal-security] join proxy can
   announce itself as a available for new Pledges to enroll on a
   network.  The announcement includes a priority for enrollment.  This
   document provides a mechanism by which a RPL DODAG root can disable
   enrollment announcements, or adjust the base priority for enrollment
   operation.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-enrollment-priority/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-enrollment-priority-02
https://datatracker.ietf.org/doc/html/draft-ietf-roll-enrollment-priority-02

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-enrollment-priority-02


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/7iBUnd9FLVtTRPbxiDzeltUq3rM>
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<<adding ROLL in the thread>>

Regarding removal of Mandatory bit:
We have two bits 'J'oin bit and 'C'opy bit which takes care of the point yo=
u mentioned.
If the node thinks that the Capability should be copied regardless of wheth=
er other nodes understand it then it will set this bit.
If node thinks, other nodes that do not understand the capability should no=
t join then the J bit should be set appropriately.
These two bits combined will take care of the problem you mentioned.

Regarding removal of Projected Route Capability:
Capabilities should be used for nodes to advertise what (features/capabilit=
ies) they possess.
Projected Route Capability was used to enforce constraints on other nodes. =
This should be handled using routing metrics/constraints.
This rationale is explained in the introduction section of the document.

Thanks,
Rahul

________________________________
From: rabi narayan sahoo <rabinarayans0828@gmail.com>
Sent: 26 April 2020 11:28 PM
To: Rahul A. Jadhav <nyrahul@gmail.com>
Subject:

Hi Rahul
In the latest version of the Capability Draft, in capability control messag=
e option we have just mentioned
"Every capability is identified by its type and it may have an optional Cap=
ability Info"
We have removed the below description

"The first Bit of the CAPType indicates if the capability is mandatory or o=
ptional Value of 1 indicates its a mandatory capability and 0 indicates its=
 an optional capability"

I understand you think, corresponding feature should add capability informa=
tion option ,if they think this feature need to be negotiated.
If we mention the above rule in this draft then all have to follow this for=
mat.

For 6LORH capability negotiation do you 6low group docs will add this capab=
ility info.
We have removed Projected Route Capability. I think it was a useful one.

Thanks
Rabi




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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
1">
<style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo=
ttom:0;} </style>
</head>
<body dir=3D"ltr">
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
&lt;&lt;adding ROLL in the thread&gt;&gt;</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<span style=3D"color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-s=
erif; font-size: 12pt;">Regarding removal of Mandatory bit:</span></div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<span style=3D"color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-s=
erif; font-size: 12pt;">We have two bits 'J'oin bit and 'C'opy bit which ta=
kes care of the point you mentioned.</span><br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
If the node thinks that the Capability should be copied regardless of wheth=
er other nodes understand it then it will set this bit.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
If node thinks, other nodes that do not understand the capability should no=
t join then the J bit should be set appropriately.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<span style=3D"color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-s=
erif; font-size: 12pt;">These two bits combined will take care of the probl=
em you mentioned.</span><br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<span style=3D"color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-s=
erif; font-size: 12pt;"><br>
</span></div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<span style=3D"color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-s=
erif; font-size: 12pt;">Regarding removal of Projected Route Capability:</s=
pan></div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<span style=3D"color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-s=
erif; font-size: 12pt;">Capabilities should be used for nodes to advertise =
what (features/capabilities) they possess.&nbsp;</span></div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<span style=3D"color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-s=
erif; font-size: 12pt;">Projected Route Capability was used to enforce cons=
traints on other nodes. This should be handled using routing metrics/constr=
aints.</span></div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
This rationale is explained in the introduction section of the document.</d=
iv>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Thanks,</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Rahul</div>
<div id=3D"appendonsend"></div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt; col=
or:rgb(0,0,0)">
<br>
</div>
<hr tabindex=3D"-1" style=3D"display:inline-block; width:98%">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" co=
lor=3D"#000000" style=3D"font-size:11pt"><b>From:</b> rabi narayan sahoo &l=
t;rabinarayans0828@gmail.com&gt;<br>
<b>Sent:</b> 26 April 2020 11:28 PM<br>
<b>To:</b> Rahul A. Jadhav &lt;nyrahul@gmail.com&gt;<br>
<b>Subject:</b> </font>
<div>&nbsp;</div>
</div>
<div>
<div dir=3D"ltr">Hi Rahul
<div>In the latest version of the Capability Draft, in capability control m=
essage option we have just mentioned</div>
<div>&quot;Every capability is identified by its type and it may have an op=
tional Capability Info&quot;</div>
<div>We have removed the below description&nbsp;</div>
<div><br>
</div>
<div><b>&quot;The first Bit of the CAPType indicates if the capability is m=
andatory or optional Value of 1 indicates its a mandatory capability and 0 =
indicates its an optional capability&quot;</b></div>
<div><br>
</div>
<div>I understand you think, corresponding feature should add&nbsp;capabili=
ty information option&nbsp;,if they think this feature need&nbsp;to be nego=
tiated.&nbsp;&nbsp;</div>
<div>If we mention the above rule in this draft then all have to follow thi=
s format.</div>
<div><br>
</div>
<div>For 6LORH capability negotiation do you 6low group docs will add this =
capability info.</div>
<div>We have removed&nbsp;<span style=3D"color:rgb(3,47,98); font-family:SF=
Mono-Regular,Consolas,&quot;Liberation Mono&quot;,Menlo,monospace; font-siz=
e:12px; white-space:pre">Projected Route Capability. I think it was a usefu=
l one.</span></div>
<div><span style=3D"color:rgb(3,47,98); font-family:SFMono-Regular,Consolas=
,&quot;Liberation Mono&quot;,Menlo,monospace; font-size:12px; white-space:p=
re"><br>
</span></div>
<div><span style=3D"color:rgb(3,47,98); font-family:SFMono-Regular,Consolas=
,&quot;Liberation Mono&quot;,Menlo,monospace; font-size:12px; white-space:p=
re">Thanks</span></div>
<div><font color=3D"#032f62" face=3D"SFMono-Regular, Consolas, Liberation M=
ono, Menlo, monospace"><span style=3D"font-size:12px; white-space:pre">Rabi=
</span></font></div>
<div><span style=3D"color:rgb(3,47,98); font-family:SFMono-Regular,Consolas=
,&quot;Liberation Mono&quot;,Menlo,monospace; font-size:12px; white-space:p=
re"><br>
</span></div>
<div><br>
</div>
<div>
<table class=3D"x_gmail-highlight x_gmail-tab-size x_gmail-js-file-line-con=
tainer" style=3D"border-spacing:0px; border-collapse:collapse; color:rgb(36=
,41,46); font-size:14px">
<tbody style=3D"box-sizing:border-box">
<tr style=3D"box-sizing:border-box">
<td id=3D"x_gmail-L331" class=3D"x_gmail-blob-num x_gmail-js-line-number" s=
tyle=3D"box-sizing:border-box; padding:0px 10px; width:50px; min-width:50px=
; font-family:SFMono-Regular,Consolas,&quot;Liberation Mono&quot;,Menlo,mon=
ospace; font-size:12px; line-height:20px; color:rgba(27,31,35,0.3); text-al=
ign:right; white-space:nowrap; vertical-align:top">
</td>
<td id=3D"x_gmail-LC331" class=3D"x_gmail-blob-code x_gmail-blob-code-inner=
 x_gmail-js-file-line" style=3D"box-sizing:border-box; padding:0px 10px; li=
ne-height:20px; vertical-align:top; overflow:visible; font-family:SFMono-Re=
gular,Consolas,&quot;Liberation Mono&quot;,Menlo,monospace; font-size:12px;=
 white-space:pre">
<br>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>

--_000_BM1PR01MB4020DD7B65B3859A14376D83A9AF0BM1PR01MB4020INDP_--


From nobody Tue Apr 28 02:58:29 2020
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Subject: [Roll] Publication has been requested for draft-ietf-roll-unaware-leaves-15
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Ines Robles has requested publication of draft-ietf-roll-unaware-leaves-15 as Proposed Standard on behalf of the ROLL working group.

Please verify the document's state at https://datatracker.ietf.org/doc/draft-ietf-roll-unaware-leaves/



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Changed milestone "Initial submission of routing for RPL Leaves draft to the
IESG", resolved as "Done".

URL: https://datatracker.ietf.org/wg/roll/about/


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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Wed, 29 Apr 2020 10:36:09 +0300
Message-ID: <CAP+sJUf0hNvVwM8+LR9H8Vmun0xoC1CJUMimtAyRRAHKjKXEvQ@mail.gmail.com>
To: roll <roll@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/9P9LshNDHsVNpfeXsSjaXQdaj4w>
Subject: [Roll] Today ROLL WG Virtual Meeting: 2020-04-29 - Materials
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Dear all,

Please find below information about the ROLL Interim Meeting:

1. Materials:
https://datatracker.ietf.org/meeting/interim-2020-roll-01/session/roll

Where you can find:

1.1 Proposed Agenda:

https://datatracker.ietf.org/meeting/interim-2020-roll-01/materials/agenda-interim-2020-roll-01-roll-01.txt

1.2 Complete Set of Slides:
https://datatracker.ietf.org/meeting/interim-2020-roll-01/materials/slides-interim-2020-roll-01-sessa-completeset-roll-interim-20200429


2. Etherpad:
https://etherpad.ietf.org:9009/p/notes-ietf-107-roll-virtual-20200429

 - Bluesheets: The Etherpad is working as blueesheet, so please remember to
add your name  and affiliation.

- Please consider volunteer as minute-taker.

3. Webex details:

Note that the webex will open 15 minutes before, in case that the
presenters want to test screen-sharing, audio, video  features. We aim to
have the meeting in two hours, however the webex is going to be open still
45 minutes more in case that some discussion requires more time or if
someone wants to discuss with the chairs after the meeting, etc.
Since we are getting more topics to discuss, we might continue the
discussions in a second meeting, we will decide it based on the results of
the 29th meeting.
Please note that we aim to record the meeting.

Webex details:

Wednesday, Apr 29, 2020 6:45 am | 3 hours | (UTC-04:00) Eastern Time (US &
Canada)
Meeting number: 610 440 357
Password: Pp6DfDQce26
https://ietf.webex.com/ietf/j.php?MTID=m976a599b4a6b6be830ec4e500329fd33

Join by video system
Dial 610440357@ietf.webex.com
You can also dial 173.243.2.68 and enter your meeting number.

Join by phone
1-650-479-3208 Call-in toll number (US/Canada)
1-877-668-4493 Call-in toll free number (US/Canada)
Access code: 610 440 357

Thank you,

Ines, Dominique and Michael.

--0000000000008fc6c305a469023c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear all,<div><br></div><div>Please find =
below information about the ROLL Interim Meeting:</div><div><br></div><div>=
1. Materials:=C2=A0<a href=3D"https://datatracker.ietf.org/meeting/interim-=
2020-roll-01/session/roll">https://datatracker.ietf.org/meeting/interim-202=
0-roll-01/session/roll</a></div><div><br></div><div>Where you can find:=C2=
=A0</div><div><br></div><div>1.1 Proposed Agenda:=C2=A0</div><div><br></div=
><div><a href=3D"https://datatracker.ietf.org/meeting/interim-2020-roll-01/=
materials/agenda-interim-2020-roll-01-roll-01.txt">https://datatracker.ietf=
.org/meeting/interim-2020-roll-01/materials/agenda-interim-2020-roll-01-rol=
l-01.txt</a><br></div><div><br></div><div>1.2 Complete Set of Slides:=C2=A0=
<a href=3D"https://datatracker.ietf.org/meeting/interim-2020-roll-01/materi=
als/slides-interim-2020-roll-01-sessa-completeset-roll-interim-20200429">ht=
tps://datatracker.ietf.org/meeting/interim-2020-roll-01/materials/slides-in=
terim-2020-roll-01-sessa-completeset-roll-interim-20200429</a></div><div><b=
r></div><div><br></div><div>2. Etherpad: <a href=3D"https://etherpad.ietf.o=
rg:9009/p/notes-ietf-107-roll-virtual-20200429">https://etherpad.ietf.org:9=
009/p/notes-ietf-107-roll-virtual-20200429</a><br></div><div>=C2=A0</div><d=
iv>=C2=A0- Bluesheets: The Etherpad is working as blueesheet, so please rem=
ember to add your name=C2=A0 and affiliation.</div><div><br></div><div>- Pl=
ease consider volunteer as minute-taker.</div><div><br></div><div>3. Webex =
details:=C2=A0</div><div><br></div><div>Note that the webex will open 15 mi=
nutes before, in case that the presenters want to=C2=A0test screen-sharing,=
 audio, video=C2=A0 features. We aim to have the meeting in two hours, howe=
ver the webex is going to be open still 45 minutes more in case that some d=
iscussion requires more time or if someone wants to discuss with the chairs=
 after the meeting, etc.=C2=A0</div><div>Since we are getting more topics t=
o discuss, we might continue the discussions in a second meeting, we will d=
ecide it based on the results of the 29th meeting.</div><div>Please note th=
at we aim to record the meeting.=C2=A0</div><div><br></div><div>Webex detai=
ls:<br></div><div><br></div><div>Wednesday, Apr 29, 2020 6:45 am | 3 hours =
| (UTC-04:00) Eastern Time (US &amp; Canada)<br>Meeting number: 610 440 357=
<br>Password: Pp6DfDQce26<br><a href=3D"https://ietf.webex.com/ietf/j.php?M=
TID=3Dm976a599b4a6b6be830ec4e500329fd33" target=3D"_blank">https://ietf.web=
ex.com/ietf/j.php?MTID=3Dm976a599b4a6b6be830ec4e500329fd33</a><br><br>Join =
by video system<br>Dial=C2=A0<a href=3D"mailto:610440357@ietf.webex.com" ta=
rget=3D"_blank">610440357@ietf.webex.com</a><br>You can also dial 173.243.2=
.68 and enter your meeting number.<br><br>Join by phone<br>1-650-479-3208 C=
all-in toll number (US/Canada)<br>1-877-668-4493 Call-in toll free number (=
US/Canada)<br>Access code: 610 440 357</div><div><br></div><div>Thank you,<=
/div><div><br></div><div>Ines, Dominique and Michael.</div><div><br></div><=
div><br></div></div></div>

--0000000000008fc6c305a469023c--


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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Wed, 29 Apr 2020 12:51:12 +0300
Message-ID: <CAP+sJUcA5keN-h9YfEsqJPD7EaNUdTXq555Ce-70fBceqV8Cuw@mail.gmail.com>
To: roll <roll@ietf.org>
Content-Type: multipart/alternative; boundary="00000000000090c99405a46ae567"
Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/DyEqh1e9q6-tc_rd1fQ9GThIXsE>
Subject: Re: [Roll] Today ROLL WG Virtual Meeting: 2020-04-29 - Materials
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--00000000000090c99405a46ae567
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Dear all,

Please find the jabber room: roll@jabber.ietf.org

Thanks,

Ines.

On Wed, Apr 29, 2020 at 10:36 AM Ines Robles <mariainesrobles@googlemail.com>
wrote:

> Dear all,
>
> Please find below information about the ROLL Interim Meeting:
>
> 1. Materials:
> https://datatracker.ietf.org/meeting/interim-2020-roll-01/session/roll
>
> Where you can find:
>
> 1.1 Proposed Agenda:
>
>
> https://datatracker.ietf.org/meeting/interim-2020-roll-01/materials/agenda-interim-2020-roll-01-roll-01.txt
>
> 1.2 Complete Set of Slides:
> https://datatracker.ietf.org/meeting/interim-2020-roll-01/materials/slides-interim-2020-roll-01-sessa-completeset-roll-interim-20200429
>
>
> 2. Etherpad:
> https://etherpad.ietf.org:9009/p/notes-ietf-107-roll-virtual-20200429
>
>  - Bluesheets: The Etherpad is working as blueesheet, so please remember
> to add your name  and affiliation.
>
> - Please consider volunteer as minute-taker.
>
> 3. Webex details:
>
> Note that the webex will open 15 minutes before, in case that the
> presenters want to test screen-sharing, audio, video  features. We aim to
> have the meeting in two hours, however the webex is going to be open still
> 45 minutes more in case that some discussion requires more time or if
> someone wants to discuss with the chairs after the meeting, etc.
> Since we are getting more topics to discuss, we might continue the
> discussions in a second meeting, we will decide it based on the results of
> the 29th meeting.
> Please note that we aim to record the meeting.
>
> Webex details:
>
> Wednesday, Apr 29, 2020 6:45 am | 3 hours | (UTC-04:00) Eastern Time (US &
> Canada)
> Meeting number: 610 440 357
> Password: Pp6DfDQce26
> https://ietf.webex.com/ietf/j.php?MTID=m976a599b4a6b6be830ec4e500329fd33
>
> Join by video system
> Dial 610440357@ietf.webex.com
> You can also dial 173.243.2.68 and enter your meeting number.
>
> Join by phone
> 1-650-479-3208 Call-in toll number (US/Canada)
> 1-877-668-4493 Call-in toll free number (US/Canada)
> Access code: 610 440 357
>
> Thank you,
>
> Ines, Dominique and Michael.
>
>
>

--00000000000090c99405a46ae567
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Dear all,<br><div><br></div><div><font face=3D"arial, sans=
-serif" style=3D"background-color:rgb(255,255,255)">Please find the jabber =
room:=C2=A0<span class=3D"gmail-author-a-fz74z3z89zz88z5p1z84zxjiz71z4z69zi=
" style=3D"box-sizing:border-box;margin:0px;padding:0px;line-height:17.5px;=
white-space:pre-wrap"><a href=3D"mailto:roll@jabber.ietf.org">roll@jabber.i=
etf.org</a></span></font></div><div><font face=3D"arial, sans-serif" style=
=3D"background-color:rgb(255,255,255)"><span class=3D"gmail-author-a-fz74z3=
z89zz88z5p1z84zxjiz71z4z69zi" style=3D"box-sizing:border-box;margin:0px;pad=
ding:0px;line-height:17.5px;white-space:pre-wrap"><br></span></font></div><=
div><font face=3D"arial, sans-serif" style=3D"background-color:rgb(255,255,=
255)"><span class=3D"gmail-author-a-fz74z3z89zz88z5p1z84zxjiz71z4z69zi" sty=
le=3D"box-sizing:border-box;margin:0px;padding:0px;line-height:17.5px;white=
-space:pre-wrap">Thanks,</span></font></div><div><font face=3D"arial, sans-=
serif" style=3D"background-color:rgb(255,255,255)"><span class=3D"gmail-aut=
hor-a-fz74z3z89zz88z5p1z84zxjiz71z4z69zi" style=3D"box-sizing:border-box;ma=
rgin:0px;padding:0px;line-height:17.5px;white-space:pre-wrap"><br></span></=
font></div><div><font face=3D"arial, sans-serif" style=3D"background-color:=
rgb(255,255,255)"><span class=3D"gmail-author-a-fz74z3z89zz88z5p1z84zxjiz71=
z4z69zi" style=3D"box-sizing:border-box;margin:0px;padding:0px;line-height:=
17.5px;white-space:pre-wrap">Ines.</span></font></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Apr 29, 2020=
 at 10:36 AM Ines  Robles &lt;<a href=3D"mailto:mariainesrobles@googlemail.=
com">mariainesrobles@googlemail.com</a>&gt; wrote:<br></div><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr">Dear a=
ll,<div><br></div><div>Please find below information about the ROLL Interim=
 Meeting:</div><div><br></div><div>1. Materials:=C2=A0<a href=3D"https://da=
tatracker.ietf.org/meeting/interim-2020-roll-01/session/roll" target=3D"_bl=
ank">https://datatracker.ietf.org/meeting/interim-2020-roll-01/session/roll=
</a></div><div><br></div><div>Where you can find:=C2=A0</div><div><br></div=
><div>1.1 Proposed Agenda:=C2=A0</div><div><br></div><div><a href=3D"https:=
//datatracker.ietf.org/meeting/interim-2020-roll-01/materials/agenda-interi=
m-2020-roll-01-roll-01.txt" target=3D"_blank">https://datatracker.ietf.org/=
meeting/interim-2020-roll-01/materials/agenda-interim-2020-roll-01-roll-01.=
txt</a><br></div><div><br></div><div>1.2 Complete Set of Slides:=C2=A0<a hr=
ef=3D"https://datatracker.ietf.org/meeting/interim-2020-roll-01/materials/s=
lides-interim-2020-roll-01-sessa-completeset-roll-interim-20200429" target=
=3D"_blank">https://datatracker.ietf.org/meeting/interim-2020-roll-01/mater=
ials/slides-interim-2020-roll-01-sessa-completeset-roll-interim-20200429</a=
></div><div><br></div><div><br></div><div>2. Etherpad: <a href=3D"https://e=
therpad.ietf.org:9009/p/notes-ietf-107-roll-virtual-20200429" target=3D"_bl=
ank">https://etherpad.ietf.org:9009/p/notes-ietf-107-roll-virtual-20200429<=
/a><br></div><div>=C2=A0</div><div>=C2=A0- Bluesheets: The Etherpad is work=
ing as blueesheet, so please remember to add your name=C2=A0 and affiliatio=
n.</div><div><br></div><div>- Please consider volunteer as minute-taker.</d=
iv><div><br></div><div>3. Webex details:=C2=A0</div><div><br></div><div>Not=
e that the webex will open 15 minutes before, in case that the presenters w=
ant to=C2=A0test screen-sharing, audio, video=C2=A0 features. We aim to hav=
e the meeting in two hours, however the webex is going to be open still 45 =
minutes more in case that some discussion requires more time or if someone =
wants to discuss with the chairs after the meeting, etc.=C2=A0</div><div>Si=
nce we are getting more topics to discuss, we might continue the discussion=
s in a second meeting, we will decide it based on the results of the 29th m=
eeting.</div><div>Please note that we aim to record the meeting.=C2=A0</div=
><div><br></div><div>Webex details:<br></div><div><br></div><div>Wednesday,=
 Apr 29, 2020 6:45 am | 3 hours | (UTC-04:00) Eastern Time (US &amp; Canada=
)<br>Meeting number: 610 440 357<br>Password: Pp6DfDQce26<br><a href=3D"htt=
ps://ietf.webex.com/ietf/j.php?MTID=3Dm976a599b4a6b6be830ec4e500329fd33" ta=
rget=3D"_blank">https://ietf.webex.com/ietf/j.php?MTID=3Dm976a599b4a6b6be83=
0ec4e500329fd33</a><br><br>Join by video system<br>Dial=C2=A0<a href=3D"mai=
lto:610440357@ietf.webex.com" target=3D"_blank">610440357@ietf.webex.com</a=
><br>You can also dial 173.243.2.68 and enter your meeting number.<br><br>J=
oin by phone<br>1-650-479-3208 Call-in toll number (US/Canada)<br>1-877-668=
-4493 Call-in toll free number (US/Canada)<br>Access code: 610 440 357</div=
><div><br></div><div>Thank you,</div><div><br></div><div>Ines, Dominique an=
d Michael.</div><div><br></div><div><br></div></div></div>
</blockquote></div>

--00000000000090c99405a46ae567--


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Subject: Re: [Roll] enrollment priority
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{sorry, this email sat unsent for too long}

Rahul Jadhav <nyrahul@outlook.com> wrote:
    >> Consider the following scenario (the attached image will help explain):
    >> Node C's preferred parent is node B and alt parent is node A. What
    >> happens if the min-priority of node B changes to 127 after the node C
    >> has joined the network with B as a preferred parent? I am assuming
    >> that the min-priority impacts only the newly joining nodes i.e., once
    >> node B changes the priority to 127 then node C also changes the
    >> priority to 127 and thus no new nodes join. However, the change in
    >> node B's min-priority may not impact node C's decision to continue
    >> using node B as the preferred parent (?). What happens when node C has
    >> alternate parent node A whose priority is lesser than 127. Should node
    >> C switch to node A so as to allow new downstream nodes to join the
    >> network?

    mcr> First, I think that if node C had a MP of 127, then it would *NOT* advertise
    mcr> itself as a Join Proxy.

    RJ> Consider non-6tisch case, where the 6LR's resources are full and does
    RJ> not want any new nodes to connect to it. In this case, it still needs
    RJ> to advertise its DIO for all the existing nodes which have already
    RJ> joined through it. The new nodes will see MP=127 and hence won't
    RJ> join. But the gist is, Node C has to keep advertising for all its
    RJ> existing nodes. It cannot stop sending DIOs.

Okay, so I think that we have further confusion of Join (DODAG thing) vs
Enroll (onboarding thing) :-)
I have taken another pass through the document to make sure that all uses of
join, other than "Join Proxy" now say Enroll.

    mcr> So if it was sending Enhanced Beacons, then it
    mcr> would:
    mcr> a) set proxy prio to 0x7f.
    mcr> b) maybe even stop sending EBs [have to think about this]

    RJ> Not sure in case of 6tisch too if it can stop sending EBs? Since it
    RJ> may be needed for existing nodes who have already joined.

Yes, it probably needs to continue sending EBs.

    mcr> If node C *does* change to node A, then it would change it's priority.
    mcr> But it has to do that, and maybe there are reasons why A won't accept it.

    RJ> Sure node A might have its own reasons to not accept it, but the MP
    RJ> suggests that it is willing to accept node C. The problem is when
    RJ> node C switches to Node A, the whole sub-DODAG rooted at C switches
    RJ> and this may result in node A's MP to reach 127. Since node B is now
    RJ> free, it's MP value will decrease. This can result in oscillations in
    RJ> the network.

Agreed.
The fundamental problem is that the sub-DODAG needs to be split.
I don't think that we can do that in this option or in EBs.
It has to be done in DIOs and DAO-ACKs and...
I think that we have had proposals to deal with this before (what happened to
them?)

    > 6LRs that support this option, but whose parent does not send it SHOULD
    > assume a value of 0x40 as their base value.
    > The nodes adjust this base value based upon their observed congestion,
    > emitting their adjusted DIO value to their children.

    > (0x40 is my wet-finger-in-the-air, seat-of-the-pants guess)

    RJ> Consider that a 6LR who does not support MP gets a DIO with
    RJ> MP=127. The 6LR will ignore the MP field and sends it DIO without MP
    RJ> and the downstream nodes will assume an MP of 0x40! This may be a
    RJ> problem.

I added some analysis to my slides today to deal with this.
I am open to other values, but I think we need to pick some value. Maybe 0,
but I think not.  Maybe rank * VALUE.

    >> We tried working on a problem-statement in the past in LWIG [1] which
    >> talked about how to handle the case where some upstream nodes cache
    >> (routing/neighbor) is full and how would it stop the new downstream
    >> nodes to attach in that path. Enrollment priority was referenced as a
    >> possible solution.

    > Good.  Would more informative cross-references help?
    > Do you want to co-author?

    RJ> Yes, I would love to work on this problem statement.

https://github.com/roll-wg/draft-ietf-roll-enrollment-priority
I will unicast to get permissions right.

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-

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Subject: [Roll] ROLL Interim Meeting May 2020 - fill into the doodle by May 6th
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Dear all,

Thank you very much for the participation at the today-interim meeting
(ietf 107). We will send shortly the summary with the action points and the
recording link.

As it was suggested in the meeting, we would like to set another interim
meeting on May. Please fill into the following doodle by May 6th.

https://doodle.com/poll/ntg5b73g4q8df4nt

Thank you and best regards,

Ines and Dominique.

--00000000000082bfa205a4705735
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<div dir=3D"ltr">Dear all,<div><br></div><div>Thank you very much for the p=
articipation at the today-interim meeting (ietf 107). We will send shortly =
the summary with the action points and the recording link.</div><div><br></=
div><div>As it was suggested in the meeting, we would like to set another i=
nterim meeting on May. Please fill into the following doodle by May 6th.</d=
iv><div><br></div><div><a href=3D"https://doodle.com/poll/ntg5b73g4q8df4nt"=
>https://doodle.com/poll/ntg5b73g4q8df4nt</a><br></div><div><br></div><div>=
Thank you and best regards,</div><div><br></div><div>Ines and Dominique.</d=
iv></div>

--00000000000082bfa205a4705735--

