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From: Ines  Robles <mariainesrobles@googlemail.com>
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Subject: [Roll] IETF 110 - Request to fill a survey
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Dear all,

In order to help us assess the need for a ROLL session at the IETF 110
meeting, would you please fill the following form *by 17th January*?

https://www.surveymonkey.com/r/63WXRD2


Also, this also is a kind reminder to fill the doodle in order to have an
interim meeting in January. Please fill it *by 8th of January*.

https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dpoll&utm_medium=3Dlin=
k

Thank you very much and the best successes in this 2021 :-),

In=C3=A8s & Dominique.

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<div dir=3D"ltr">Dear all,=C2=A0<div><br></div><div>In order to help us ass=
ess the need for a ROLL session at the IETF 110=20
meeting, would you please fill the following form <b>by 17th January</b>?=
=C2=A0</div><div><br></div><div><a href=3D"https://www.surveymonkey.com/r/6=
3WXRD2">https://www.surveymonkey.com/r/63WXRD2</a><br></div><div><br></div>=
<div><br></div><div>Also, this also is a kind reminder to fill the doodle i=
n order to have an interim meeting in January. Please fill it <b>by 8th of =
January</b>.</div><div><div><br></div><div><a href=3D"https://doodle.com/po=
ll/936cn2y6uwfp3dia?utm_source=3Dpoll&amp;utm_medium=3Dlink" target=3D"_bla=
nk">https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dpoll&amp;utm_medi=
um=3Dlink</a></div></div><div><br></div><div>Thank you very much and the be=
st successes in this 2021 :-),<br></div><div><br></div><div>In=C3=A8s &amp;=
 Dominique.=C2=A0=C2=A0<div><span style=3D"color:rgb(32,33,36);font-family:=
&quot;Google Sans&quot;,Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-=
size:22px;font-variant-ligatures:no-contextual"></span>=C2=A0=C2=A0<br></di=
v></div></div>

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To: "Pascal Thubert (pthubert)" <pthubert=40cisco.com@dmarc.ietf.org>,  Routing Over Low power and Lossy networks <roll@ietf.org>, Erik Kline <ek.ietf@gmail.com>
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Subject: Re: [Roll] Erik Kline's Discuss on draft-ietf-roll-useofrplinfo-42: (with DISCUSS and COMMENT)
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Hi!

Where are we with this?   It is not clear whether we need to update the
document or if we=E2=80=99re all agreeing. ;-)

Erik/Pascal?

Thanks!

Alvaro.

On December 18, 2020 at 10:42:24 AM, Pascal Thubert (pthubert) (
pthubert=3D40cisco.com@dmarc.ietf.org) wrote:

Hello Michael and all:

> -----Original Message-----
> From: Roll <roll-bounces@ietf.org> On Behalf Of Michael Richardson
> Sent: mercredi 16 d=C3=A9cembre 2020 19:02
> To: Erik Kline <ek.ietf@gmail.com>; Routing Over Low power and Lossy
> networks <roll@ietf.org>
> Subject: Re: [Roll] Erik Kline's Discuss on
draft-ietf-roll-useofrplinfo-42: (with
> DISCUSS and COMMENT)
>
>
> Erik Kline via Datatracker <noreply@ietf.org> wrote:
> > I might recommend instead referring to RFC 6554 S4.2 for how to
> > handle RH3's if the node is also a RPL-aware router and say it MUST
> > drop the packet if segments left is non-zero and it's not a RPL-aware
> > router.
>
> > Related: I'd also recommend:
>
> > "It should just be noted that an incoming RH3 must be fully consumed,
> > or very carefully inspected."
>
> ->
>
> > "It should just be noted that an incoming RH3 MUST be fully
> > consumed."
>
> I think that Pascal and I, when we write the "carefully inspected", is
that we
> are imagining situations where the topology is a bit subtle.

Yes, I expected policies that would validate the right of a Leaf to
participate to a DODAG ,or to remap the information from the leaf (could be
the RPI, the opaque field in the EARO, or the 6-tuple) into an RPI.

> Perhaps there are firewalls involved.
> Perhaps a device has multiple interfaces (many radios for instance) and
the
> extra segments address the other interfaces.
>
> Also draft-ietf-anima-autonomic-control-plane uses storing mode, so never
> has
> RH3 headers, but imagine if it did.
>
> One could have a situation where the physical system containing one or
more
> layers of container was not the ultimate last hop from a logical point of
view.
> Rather than inner container was. So, it's all the same stack actually. In
that
> case, an optimization might be to process more than one segment in that
> stack.
> (The ANIMA ACP definitely supports having VMs and containers inside
> routers)
>
> So, I can live with your suggestion, because in my case above, we can
argue
> that it's still "consumed"
>
> > * I'm confused by the use of "consumed" here. Is the final RH3 entry
> > RUL's address? I guess you could say RH penultimate hop "consumes" the
> > header because the ultimate destination address is put in the header DA
> > field. Seems a bit odd though.
>
> Yes, that's what we mean.

Yes, as I said in my response I thought it was quite common. I'm surprised
to find little art to quote.

> Once that ultimate destination is in the DA, then the RH3 is a dummy, but
one
> we are aren't supposed to remove.
>
> > I assume 6LR_n gets RUL's address from the last segment in RH3.
>
> > "Consumed" means segments left =3D=3D 0, I guess? I suppose should have
> > picked up on this terminology when it was first used in Section 2.
> > Maybe clarify what it means in that section (2)?
>
> Yes.


Cool, we're good!

Pascal
_______________________________________________
Roll mailing list
Roll@ietf.org
https://www.ietf.org/mailman/listinfo/roll

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<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">Hi!</div><div style=3D"font-family:Helvetica,Ari=
al;font-size:13px"><br></div><div style=3D"font-family:Helvetica,Arial;font=
-size:13px">Where are we with this? =C2=A0 It is not clear whether we need =
to update the document or if we=E2=80=99re all agreeing. ;-)</div><div styl=
e=3D"font-family:Helvetica,Arial;font-size:13px"><br></div><div style=3D"fo=
nt-family:Helvetica,Arial;font-size:13px">Erik/Pascal?</div><div style=3D"f=
ont-family:Helvetica,Arial;font-size:13px"><br></div><div style=3D"font-fam=
ily:Helvetica,Arial;font-size:13px">Thanks!</div><div style=3D"font-family:=
Helvetica,Arial;font-size:13px"><br></div><div style=3D"font-family:Helveti=
ca,Arial;font-size:13px">Alvaro.</div> <br><p class=3D"airmail_on">On Decem=
ber 18, 2020 at 10:42:24 AM, Pascal Thubert (pthubert) (<a href=3D"mailto:p=
thubert=3D40cisco.com@dmarc.ietf.org">pthubert=3D40cisco.com@dmarc.ietf.org=
</a>) wrote:</p> <blockquote type=3D"cite" class=3D"clean_bq"><span><div><d=
iv></div><div>Hello Michael and all:
<br>
<br>&gt; -----Original Message-----
<br>&gt; From: Roll &lt;<a href=3D"mailto:roll-bounces@ietf.org">roll-bounc=
es@ietf.org</a>&gt; On Behalf Of Michael Richardson
<br>&gt; Sent: mercredi 16 d=C3=A9cembre 2020 19:02
<br>&gt; To: Erik Kline &lt;<a href=3D"mailto:ek.ietf@gmail.com">ek.ietf@gm=
ail.com</a>&gt;; Routing Over Low power and Lossy
<br>&gt; networks &lt;<a href=3D"mailto:roll@ietf.org">roll@ietf.org</a>&gt=
;
<br>&gt; Subject: Re: [Roll] Erik Kline&#39;s Discuss on draft-ietf-roll-us=
eofrplinfo-42: (with
<br>&gt; DISCUSS and COMMENT)
<br>&gt; =20
<br>&gt; =20
<br>&gt; Erik Kline via Datatracker &lt;<a href=3D"mailto:noreply@ietf.org"=
>noreply@ietf.org</a>&gt; wrote:
<br>&gt;     &gt;   I might recommend instead referring to RFC 6554 S4.2 fo=
r how to
<br>&gt;     &gt; handle RH3&#39;s if the node is also a RPL-aware router a=
nd say it MUST
<br>&gt;     &gt; drop the packet if segments left is non-zero and it&#39;s=
 not a RPL-aware
<br>&gt;     &gt; router.
<br>&gt; =20
<br>&gt;     &gt;   Related: I&#39;d also recommend:
<br>&gt; =20
<br>&gt;     &gt;   &quot;It should just be noted that an incoming RH3 must=
 be fully consumed,
<br>&gt;     &gt; or very carefully inspected.&quot;
<br>&gt; =20
<br>&gt;     -&gt;
<br>&gt; =20
<br>&gt;     &gt;   &quot;It should just be noted that an incoming RH3 MUST=
 be fully
<br>&gt;     &gt; consumed.&quot;
<br>&gt; =20
<br>&gt; I think that Pascal and I, when we write the &quot;carefully inspe=
cted&quot;, is that we
<br>&gt; are imagining situations where the topology is a bit subtle.
<br>
<br>Yes, I expected policies that would validate the right of a Leaf to par=
ticipate to a DODAG ,or to remap the information from the leaf (could be th=
e RPI, the opaque field in the EARO, or the 6-tuple) into an RPI.
<br>
<br>&gt; Perhaps there are firewalls involved.
<br>&gt; Perhaps a device has multiple interfaces (many radios for instance=
) and the
<br>&gt; extra segments address the other interfaces.
<br>&gt; =20
<br>&gt; Also draft-ietf-anima-autonomic-control-plane uses storing mode, s=
o never
<br>&gt; has
<br>&gt; RH3 headers, but imagine if it did.
<br>&gt; =20
<br>&gt; One could have a situation where the physical system containing on=
e or more
<br>&gt; layers of container was not the ultimate last hop from a logical p=
oint of view.
<br>&gt; Rather than inner container was.  So, it&#39;s all the same stack =
actually.  In that
<br>&gt; case, an optimization might be to process more than one segment in=
 that
<br>&gt; stack.
<br>&gt; (The ANIMA ACP definitely supports having VMs and containers insid=
e
<br>&gt; routers)
<br>&gt; =20
<br>&gt; So, I can live with your suggestion, because in my case above, we =
can argue
<br>&gt; that it&#39;s still &quot;consumed&quot;
<br>&gt; =20
<br>&gt;     &gt; * I&#39;m confused by the use of &quot;consumed&quot; her=
e.  Is the final RH3 entry
<br>&gt;     &gt; RUL&#39;s address?  I guess you could say RH penultimate =
hop &quot;consumes&quot; the
<br>&gt;     &gt; header because the ultimate destination address is put in=
 the header DA
<br>&gt;     &gt; field.  Seems a bit odd though.
<br>&gt; =20
<br>&gt; Yes, that&#39;s what we mean.
<br>
<br>Yes, as I said in my response I thought it was quite common. I&#39;m su=
rprised to find little art to quote.
<br>
<br>&gt; Once that ultimate destination is in the DA, then the RH3 is a dum=
my, but one
<br>&gt; we are aren&#39;t supposed to remove.
<br>&gt; =20
<br>&gt;     &gt;   I assume 6LR_n gets RUL&#39;s address from the last seg=
ment in RH3.
<br>&gt; =20
<br>&gt;     &gt;   &quot;Consumed&quot; means segments left =3D=3D 0, I gu=
ess?  I suppose should have
<br>&gt;     &gt; picked up on this terminology when it was first used in S=
ection 2.
<br>&gt;     &gt; Maybe clarify what it means in that section (2)?
<br>&gt; =20
<br>&gt; Yes.
<br>
<br>
<br>Cool, we&#39;re good!
<br>
<br>Pascal
<br>_______________________________________________<br>Roll mailing list<br=
><a href=3D"mailto:Roll@ietf.org">Roll@ietf.org</a><br><a href=3D"https://w=
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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Wed, 6 Jan 2021 03:17:32 +0200
Message-ID: <CAP+sJUenhXbqeVjeEZ-KFCS1AOiOqck6g69jkBN3zQf0fX8swA@mail.gmail.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Cc: "Pascal Thubert (pthubert)" <pthubert=40cisco.com@dmarc.ietf.org>, Erik Kline <ek.ietf@gmail.com>
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Subject: Re: [Roll] Erik Kline's Discuss on draft-ietf-roll-useofrplinfo-42: (with DISCUSS and COMMENT)
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Hi,

Some updates were done in the document through github, still we are
reviewing if all the requested changes are completed.

Apologizes for the delay,

Ines.

On Tue, Jan 5, 2021 at 10:25 PM Alvaro Retana <aretana.ietf@gmail.com>
wrote:

> Hi!
>
> Where are we with this?   It is not clear whether we need to update the
> document or if we=E2=80=99re all agreeing. ;-)
>
> Erik/Pascal?
>
> Thanks!
>
> Alvaro.
>
> On December 18, 2020 at 10:42:24 AM, Pascal Thubert (pthubert) (
> pthubert=3D40cisco.com@dmarc.ietf.org) wrote:
>
> Hello Michael and all:
>
> > -----Original Message-----
> > From: Roll <roll-bounces@ietf.org> On Behalf Of Michael Richardson
> > Sent: mercredi 16 d=C3=A9cembre 2020 19:02
> > To: Erik Kline <ek.ietf@gmail.com>; Routing Over Low power and Lossy
> > networks <roll@ietf.org>
> > Subject: Re: [Roll] Erik Kline's Discuss on
> draft-ietf-roll-useofrplinfo-42: (with
> > DISCUSS and COMMENT)
> >
> >
> > Erik Kline via Datatracker <noreply@ietf.org> wrote:
> > > I might recommend instead referring to RFC 6554 S4.2 for how to
> > > handle RH3's if the node is also a RPL-aware router and say it MUST
> > > drop the packet if segments left is non-zero and it's not a RPL-aware
> > > router.
> >
> > > Related: I'd also recommend:
> >
> > > "It should just be noted that an incoming RH3 must be fully consumed,
> > > or very carefully inspected."
> >
> > ->
> >
> > > "It should just be noted that an incoming RH3 MUST be fully
> > > consumed."
> >
> > I think that Pascal and I, when we write the "carefully inspected", is
> that we
> > are imagining situations where the topology is a bit subtle.
>
> Yes, I expected policies that would validate the right of a Leaf to
> participate to a DODAG ,or to remap the information from the leaf (could =
be
> the RPI, the opaque field in the EARO, or the 6-tuple) into an RPI.
>
> > Perhaps there are firewalls involved.
> > Perhaps a device has multiple interfaces (many radios for instance) and
> the
> > extra segments address the other interfaces.
> >
> > Also draft-ietf-anima-autonomic-control-plane uses storing mode, so
> never
> > has
> > RH3 headers, but imagine if it did.
> >
> > One could have a situation where the physical system containing one or
> more
> > layers of container was not the ultimate last hop from a logical point
> of view.
> > Rather than inner container was. So, it's all the same stack actually.
> In that
> > case, an optimization might be to process more than one segment in that
> > stack.
> > (The ANIMA ACP definitely supports having VMs and containers inside
> > routers)
> >
> > So, I can live with your suggestion, because in my case above, we can
> argue
> > that it's still "consumed"
> >
> > > * I'm confused by the use of "consumed" here. Is the final RH3 entry
> > > RUL's address? I guess you could say RH penultimate hop "consumes" th=
e
> > > header because the ultimate destination address is put in the header
> DA
> > > field. Seems a bit odd though.
> >
> > Yes, that's what we mean.
>
> Yes, as I said in my response I thought it was quite common. I'm surprise=
d
> to find little art to quote.
>
> > Once that ultimate destination is in the DA, then the RH3 is a dummy,
> but one
> > we are aren't supposed to remove.
> >
> > > I assume 6LR_n gets RUL's address from the last segment in RH3.
> >
> > > "Consumed" means segments left =3D=3D 0, I guess? I suppose should ha=
ve
> > > picked up on this terminology when it was first used in Section 2.
> > > Maybe clarify what it means in that section (2)?
> >
> > Yes.
>
>
> Cool, we're good!
>
> Pascal
> _______________________________________________
> Roll mailing list
> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll
>
> _______________________________________________
> Roll mailing list
> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll
>

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<div dir=3D"ltr">Hi,<div><br></div><div>Some updates were done in the docum=
ent through github, still we=C2=A0are reviewing if all the requested change=
s are completed.</div><div><br></div><div>Apologizes for the delay,</div><d=
iv><br></div><div>Ines.</div></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Tue, Jan 5, 2021 at 10:25 PM Alvaro Retana=
 &lt;<a href=3D"mailto:aretana.ietf@gmail.com">aretana.ietf@gmail.com</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div s=
tyle=3D"overflow-wrap: break-word;"><div style=3D"font-family:Helvetica,Ari=
al;font-size:13px">Hi!</div><div style=3D"font-family:Helvetica,Arial;font-=
size:13px"><br></div><div style=3D"font-family:Helvetica,Arial;font-size:13=
px">Where are we with this? =C2=A0 It is not clear whether we need to updat=
e the document or if we=E2=80=99re all agreeing. ;-)</div><div style=3D"fon=
t-family:Helvetica,Arial;font-size:13px"><br></div><div style=3D"font-famil=
y:Helvetica,Arial;font-size:13px">Erik/Pascal?</div><div style=3D"font-fami=
ly:Helvetica,Arial;font-size:13px"><br></div><div style=3D"font-family:Helv=
etica,Arial;font-size:13px">Thanks!</div><div style=3D"font-family:Helvetic=
a,Arial;font-size:13px"><br></div><div style=3D"font-family:Helvetica,Arial=
;font-size:13px">Alvaro.</div> <br><p>On December 18, 2020 at 10:42:24 AM, =
Pascal Thubert (pthubert) (<a href=3D"mailto:pthubert=3D40cisco.com@dmarc.i=
etf.org" target=3D"_blank">pthubert=3D40cisco.com@dmarc.ietf.org</a>) wrote=
:</p> <blockquote type=3D"cite"><span><div><div></div><div>Hello Michael an=
d all:
<br>
<br>&gt; -----Original Message-----
<br>&gt; From: Roll &lt;<a href=3D"mailto:roll-bounces@ietf.org" target=3D"=
_blank">roll-bounces@ietf.org</a>&gt; On Behalf Of Michael Richardson
<br>&gt; Sent: mercredi 16 d=C3=A9cembre 2020 19:02
<br>&gt; To: Erik Kline &lt;<a href=3D"mailto:ek.ietf@gmail.com" target=3D"=
_blank">ek.ietf@gmail.com</a>&gt;; Routing Over Low power and Lossy
<br>&gt; networks &lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">ro=
ll@ietf.org</a>&gt;
<br>&gt; Subject: Re: [Roll] Erik Kline&#39;s Discuss on draft-ietf-roll-us=
eofrplinfo-42: (with
<br>&gt; DISCUSS and COMMENT)
<br>&gt; =20
<br>&gt; =20
<br>&gt; Erik Kline via Datatracker &lt;<a href=3D"mailto:noreply@ietf.org"=
 target=3D"_blank">noreply@ietf.org</a>&gt; wrote:
<br>&gt;     &gt;   I might recommend instead referring to RFC 6554 S4.2 fo=
r how to
<br>&gt;     &gt; handle RH3&#39;s if the node is also a RPL-aware router a=
nd say it MUST
<br>&gt;     &gt; drop the packet if segments left is non-zero and it&#39;s=
 not a RPL-aware
<br>&gt;     &gt; router.
<br>&gt; =20
<br>&gt;     &gt;   Related: I&#39;d also recommend:
<br>&gt; =20
<br>&gt;     &gt;   &quot;It should just be noted that an incoming RH3 must=
 be fully consumed,
<br>&gt;     &gt; or very carefully inspected.&quot;
<br>&gt; =20
<br>&gt;     -&gt;
<br>&gt; =20
<br>&gt;     &gt;   &quot;It should just be noted that an incoming RH3 MUST=
 be fully
<br>&gt;     &gt; consumed.&quot;
<br>&gt; =20
<br>&gt; I think that Pascal and I, when we write the &quot;carefully inspe=
cted&quot;, is that we
<br>&gt; are imagining situations where the topology is a bit subtle.
<br>
<br>Yes, I expected policies that would validate the right of a Leaf to par=
ticipate to a DODAG ,or to remap the information from the leaf (could be th=
e RPI, the opaque field in the EARO, or the 6-tuple) into an RPI.
<br>
<br>&gt; Perhaps there are firewalls involved.
<br>&gt; Perhaps a device has multiple interfaces (many radios for instance=
) and the
<br>&gt; extra segments address the other interfaces.
<br>&gt; =20
<br>&gt; Also draft-ietf-anima-autonomic-control-plane uses storing mode, s=
o never
<br>&gt; has
<br>&gt; RH3 headers, but imagine if it did.
<br>&gt; =20
<br>&gt; One could have a situation where the physical system containing on=
e or more
<br>&gt; layers of container was not the ultimate last hop from a logical p=
oint of view.
<br>&gt; Rather than inner container was.  So, it&#39;s all the same stack =
actually.  In that
<br>&gt; case, an optimization might be to process more than one segment in=
 that
<br>&gt; stack.
<br>&gt; (The ANIMA ACP definitely supports having VMs and containers insid=
e
<br>&gt; routers)
<br>&gt; =20
<br>&gt; So, I can live with your suggestion, because in my case above, we =
can argue
<br>&gt; that it&#39;s still &quot;consumed&quot;
<br>&gt; =20
<br>&gt;     &gt; * I&#39;m confused by the use of &quot;consumed&quot; her=
e.  Is the final RH3 entry
<br>&gt;     &gt; RUL&#39;s address?  I guess you could say RH penultimate =
hop &quot;consumes&quot; the
<br>&gt;     &gt; header because the ultimate destination address is put in=
 the header DA
<br>&gt;     &gt; field.  Seems a bit odd though.
<br>&gt; =20
<br>&gt; Yes, that&#39;s what we mean.
<br>
<br>Yes, as I said in my response I thought it was quite common. I&#39;m su=
rprised to find little art to quote.
<br>
<br>&gt; Once that ultimate destination is in the DA, then the RH3 is a dum=
my, but one
<br>&gt; we are aren&#39;t supposed to remove.
<br>&gt; =20
<br>&gt;     &gt;   I assume 6LR_n gets RUL&#39;s address from the last seg=
ment in RH3.
<br>&gt; =20
<br>&gt;     &gt;   &quot;Consumed&quot; means segments left =3D=3D 0, I gu=
ess?  I suppose should have
<br>&gt;     &gt; picked up on this terminology when it was first used in S=
ection 2.
<br>&gt;     &gt; Maybe clarify what it means in that section (2)?
<br>&gt; =20
<br>&gt; Yes.
<br>
<br>
<br>Cool, we&#39;re good!
<br>
<br>Pascal
<br>_______________________________________________<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" target=3D"_blank">http=
s://www.ietf.org/mailman/listinfo/roll</a><br></div></div></span></blockquo=
te> <div></div></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>

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Ines Robles <mariainesrobles=40googlemail.com@dmarc.ietf.org>, "Routing Over Low power and Lossy networks" <roll@ietf.org>
CC: Erik Kline <ek.ietf@gmail.com>
Thread-Topic: [Roll] Erik Kline's Discuss on draft-ietf-roll-useofrplinfo-42: (with DISCUSS and COMMENT)
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Subject: Re: [Roll] Erik Kline's Discuss on draft-ietf-roll-useofrplinfo-42: (with DISCUSS and COMMENT)
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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Thu, 7 Jan 2021 16:41:12 +0200
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Subject: Re: [Roll] Doodle for Interim Meeting in January - Minutes from IETF 109
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Dear all,

This is a kindly reminder to fill the doodle by Tomorrow 8th January.

Thank you and best regards,

Ines and Dominique

On Mon, Dec 21, 2020 at 5:50 PM Ines Robles <mariainesrobles@googlemail.com>
wrote:

> Dear all,
>
> Please find the link to the doodle in order to set up an interim meeting
> at the end of January 2021.  Please fill it by 8th of January.
>
> https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=poll&utm_medium=link
>
>
> Please also find the link to the minutes of the IETF109, comments welcome
> by 3th January. Many many thanks to the minute takers :-)
>
> https://datatracker.ietf.org/doc/minutes-109-roll/
>
> Best wishes,
>
> Ines and Dominique.
>
>
>
>
>

--00000000000082ad4105b85070fa
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<div dir=3D"ltr">Dear all,<br><div><br></div><div>This is a kindly reminder=
 to fill the doodle by Tomorrow 8th January.</div><div><br></div><div>Thank=
 you and best regards,</div><div><br></div><div>Ines and Dominique</div></d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On =
Mon, Dec 21, 2020 at 5:50 PM Ines  Robles &lt;<a href=3D"mailto:mariainesro=
bles@googlemail.com">mariainesrobles@googlemail.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"><div dir=3D"ltr">Dear al=
l,<div><br></div><div>Please find the link to the doodle in order to set up=
 an interim meeting at the end of January 2021.=C2=A0

Please fill it by 8th of January.</div><div><br></div><div><a href=3D"https=
://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dpoll&amp;utm_medium=3Dlink=
" target=3D"_blank">https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dp=
oll&amp;utm_medium=3Dlink</a><br></div><div><br></div><div></div><div><br><=
/div><div>Please also find the link to the minutes of the IETF109, comments=
 welcome by 3th January. Many many thanks to the minute takers :-)</div><di=
v><br></div><div><a href=3D"https://datatracker.ietf.org/doc/minutes-109-ro=
ll/" target=3D"_blank">https://datatracker.ietf.org/doc/minutes-109-roll/</=
a><br></div><div><br></div><div>Best wishes,</div><div><br></div><div>Ines =
and Dominique.</div><div><br></div><div><br></div><div><br></div><div><br><=
/div></div>
</blockquote></div>

--00000000000082ad4105b85070fa--


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Subject: [Roll] I-D Action: draft-ietf-roll-useofrplinfo-43.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           : Using RPI Option Type, Routing Header for Source Routes and IPv6-in-IPv6 encapsulation in the RPL Data Plane
        Authors         : Maria Ines Robles
                          Michael C. Richardson
                          Pascal Thubert
	Filename        : draft-ietf-roll-useofrplinfo-43.txt
	Pages           : 63
	Date            : 2021-01-10

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.


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

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-useofrplinfo-43
https://datatracker.ietf.org/doc/html/draft-ietf-roll-useofrplinfo-43

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-useofrplinfo-43


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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Dear Eric,

Thank you very much for your comments and suggestions, we believe that
version 43 (diff) addresses your concern, please find comments inline:

Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43



On Mon, Dec 14, 2020 at 6:17 PM =C3=89ric Vyncke via Datatracker <
noreply@ietf.org> wrote:

>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Thank you for the work put into this document. It is long but also clear
> and
> easy to read.
>
> Malisa's IoT directorate review indicates nothing to be addressed (thank
> you
> again Malisa !):
>
> https://datatracker.ietf.org/doc/review-ietf-roll-useofrplinfo-42-iotdir-=
lc-vucinic-2020-12-09/
>
> The changes since my latest "no objection" ballot appear to be mainly
> editorial
> beside a couple of big changes (rightfully causing a new IETF last call).
> Please find below some non-blocking COMMENT points (but replies would be
> appreciated), and some nits.
>
> I hope that this helps to improve the document,
>
> Regards,
>
> -=C3=A9ric
>
> =3D=3D COMMENTS =3D=3D
>
> -- Section 2 --
>   "As an IPv6 node, a RPL Leaf is expected to ignore a
>    consumed Routing Header and as an IPv6 host, it is expected to ignore
>    a Hop-by-Hop header.  "
>
> Suggest to define what is a "consumed RH".
>

<authors> New text added in Terminology:

Consumed: A Routing Header is consumed when the Segments Left field
    is zero, which indicates that the destination in the IPv6 header is
    the final destination of the packet and that the hops in the Routing
    Header have been traversed.

</ authors >


>
> Suggest to be clear about the HbH: some options in HbH can be ignored
> indeed
> but by all *nodes*, there is nothing specific for *hosts* (as they are al=
so
> nodes) per section 4.3 of RFC 8200.
>

< authors >
hosts replaced by nodes.  New text:

...nodes that are pre-RFC8200, or simply intolerant.  Those nodes will
drop packets that continue to have RPL artifacts in them.  In
general, such nodes can not be easily supported in RPL LLNs....

</ authors >

>
> "RPL Packet Information (RPI): The abstract information" why is this
> 'abstract'
> ?
>

< authors > New text that clarifies the use of abstract in the document:

RPL Packet Information (RPI): The information defined abstractly in
[RFC6550] to be placed in IP packets.  The term is commonly used,
including in this document, to refer to the RPL Option [RFC6553] that
transports that abstract information in an IPv6 Hop-by-Hop Header.
[RFC8138] provides an alternate (more compressed) formating for the
same abstract information.

</ authors >

>
> I also find the definition of 'flag day' confusing... can 2 values of RPI
> Option Types co-exist in the network?
>
> < authors >
New definition of flag day

Flag Day: It is a mechanism for resolving an interoperability
 situation (e.g. lack of interoperation between new RPI Option Type
(0x23) and old RPI Option Type (0x63) nodes) by making an abrupt,
disruptive changeover from one to the other.

</ authors >

-- Section 4.2 --
>   "When originating new packets, implementations SHOULD have an option
>    to determine which value to originate with, this option is controlled
>    by the DIO option described below."
>
> Unsure whether normative language should be used in the above text.
> Moreover,
> if the option type is controlled by the DIO option, then there is no more
> 'option' to determine the value as it is specified.
>

<authors> Normative language eliminated, new text is as follows:

When originating new packets, implementations should have an option
to determine which value to originate with, this option is controlled
by the DIO Configuration option (Section Section 4.1.3).

</authors>

>
> -- Section 7.2.2 --
> Should the text also include 'decapsulate from IPv6-in-IPv6" in addition =
to
> "When the packet arrives at the RAL the RPI is removed " ?
>

< authors > New text:
When the packet arrives at the RAL, the packet is decapsulated, which
removes the RPI before the packet is processed.
</ authors >

>
> =3D=3D NITS =3D=3D
>
> Is Ines' affiliation still correct?
>

< authors > Yes </ authors >

>
> -- Section 4.1.1 --
> Suggest to start a new paragraph from "In the other direction, ..."
>

< authors > done </ authors >

Thank you very much again,

Ines, Michael and Pascal

--000000000000ae7d1a05b8907d51
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear Eric,<div><br></div><div>Thank you v=
ery much for your comments and suggestions, we believe that version 43 (dif=
f) addresses your concern, please find comments inline:</div><div><br></div=
><div>Diff:=C2=A0<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-=
roll-useofrplinfo-43">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-u=
seofrplinfo-43</a></div><div><br></div><div><br></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Dec 14, 2020=
 at 6:17 PM =C3=89ric Vyncke via Datatracker &lt;<a href=3D"mailto:noreply@=
ietf.org">noreply@ietf.org</a>&gt; wrote:<br></div><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"><br>
----------------------------------------------------------------------<br>
COMMENT:<br>
----------------------------------------------------------------------<br>
<br>
Thank you for the work put into this document. It is long but also clear an=
d<br>
easy to read.<br>
<br>
Malisa&#39;s IoT directorate review indicates nothing to be addressed (than=
k you<br>
again Malisa !):<br>
<a href=3D"https://datatracker.ietf.org/doc/review-ietf-roll-useofrplinfo-4=
2-iotdir-lc-vucinic-2020-12-09/" rel=3D"noreferrer" target=3D"_blank">https=
://datatracker.ietf.org/doc/review-ietf-roll-useofrplinfo-42-iotdir-lc-vuci=
nic-2020-12-09/</a><br>
<br>
The changes since my latest &quot;no objection&quot; ballot appear to be ma=
inly editorial<br>
beside a couple of big changes (rightfully causing a new IETF last call).<b=
r>
Please find below some non-blocking COMMENT points (but replies would be<br=
>
appreciated), and some nits.<br>
<br>
I hope that this helps to improve the document,<br>
<br>
Regards,<br>
<br>
-=C3=A9ric<br>
<br>
=3D=3D COMMENTS =3D=3D<br>
<br>
-- Section 2 --<br>
=C2=A0 &quot;As an IPv6 node, a RPL Leaf is expected to ignore a<br>
=C2=A0 =C2=A0consumed Routing Header and as an IPv6 host, it is expected to=
 ignore<br>
=C2=A0 =C2=A0a Hop-by-Hop header.=C2=A0 &quot;<br>
<br>
Suggest to define what is a &quot;consumed RH&quot;.<br></blockquote><div><=
br></div><div>&lt;authors&gt; New text added in Terminology:</div><div><br>=
</div><div>Consumed: A Routing Header is consumed when the Segments Left fi=
eld	<br>=C2=A0	 =C2=A0 is zero, which indicates that the destination in the=
 IPv6 header is	<br>=C2=A0	 =C2=A0 the final destination of the packet and =
that the hops in the Routing	<br>=C2=A0	 =C2=A0 Header have been traversed.=
<br></div><div><br></div><div>&lt;/

authors

&gt;=C2=A0=C2=A0<br></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">
<br>
Suggest to be clear about the HbH: some options in HbH can be ignored indee=
d<br>
but by all *nodes*, there is nothing specific for *hosts* (as they are also=
<br>
nodes) per section 4.3 of RFC 8200.<br></blockquote><div><br></div><div>&lt=
;

authors

&gt;</div><div>hosts replaced by nodes.=C2=A0 New text:</div><div><br></div=
><div>...nodes that are pre-RFC8200, or simply intolerant.=C2=A0 Those node=
s will<br>drop packets that continue to have RPL artifacts in them.=C2=A0 I=
n<br>general, such nodes can not be easily supported in RPL LLNs....<br></d=
iv><div><br></div><div>&lt;/

authors

&gt;=C2=A0 =C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
&quot;RPL Packet Information (RPI): The abstract information&quot; why is t=
his &#39;abstract&#39;<br>
?<br></blockquote><div><br></div><div>&lt;

authors

&gt; New text that clarifies the use of abstract in the document:</div><div=
><br></div><div>RPL Packet Information (RPI): The information defined abstr=
actly in<br>[RFC6550] to be placed in IP packets.=C2=A0 The term is commonl=
y used,<br>including in this document, to refer to the RPL Option [RFC6553]=
 that<br>transports that abstract information in an IPv6 Hop-by-Hop Header.=
<br>[RFC8138] provides an alternate (more compressed) formating for the<br>=
same abstract information.<br></div><div><br></div><div>&lt;/

authors

&gt;=C2=A0 =C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
I also find the definition of &#39;flag day&#39; confusing... can 2 values =
of RPI<br>
Option Types co-exist in the network?<br>
<br></blockquote><div>&lt;

authors

&gt;<br></div><div>New definition of flag day</div><div><br></div><div>Flag=
 Day: It is a mechanism for resolving an interoperability<br>=C2=A0situatio=
n (e.g. lack of interoperation between new RPI Option Type	<br>(0x23) and o=
ld RPI Option Type (0x63) nodes) by making an abrupt,	<br>disruptive change=
over from one to the other.<br></div><div><br></div><div>&lt;/

authors

&gt;=C2=A0 =C2=A0</div><div><br></div><blockquote class=3D"gmail_quote" sty=
le=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddi=
ng-left:1ex">
-- Section 4.2 --<br>
=C2=A0 &quot;When originating new packets, implementations SHOULD have an o=
ption<br>
=C2=A0 =C2=A0to determine which value to originate with, this option is con=
trolled<br>
=C2=A0 =C2=A0by the DIO option described below.&quot;<br>
<br>
Unsure whether normative language should be used in the above text. Moreove=
r,<br>
if the option type is controlled by the DIO option, then there is no more<b=
r>
&#39;option&#39; to determine the value as it is specified.<br></blockquote=
><div><br></div><div>&lt;authors&gt; Normative language eliminated, new tex=
t is as follows:</div><div><br>When originating new packets, implementation=
s should have an option<br>to determine which value to originate with, this=
 option is controlled<br>by the DIO Configuration option (Section Section 4=
.1.3).</div><div><br>&lt;/authors&gt;<br></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,2=
04);padding-left:1ex">
<br>
-- Section 7.2.2 --<br>
Should the text also include &#39;decapsulate from IPv6-in-IPv6&quot; in ad=
dition to<br>
&quot;When the packet arrives at the RAL the RPI is removed &quot; ?<br></b=
lockquote><div><br></div><div>&lt;

authors

&gt; New text:</div><div>When the packet arrives at the RAL, the packet is =
decapsulated, which<br>removes the RPI before the packet is processed.<br><=
/div><div>&lt;/

authors

&gt;=C2=A0 =C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
=3D=3D NITS =3D=3D<br>
<br>
Is Ines&#39; affiliation still correct?<br></blockquote><div><br></div><div=
>&lt;

authors

&gt; Yes &lt;/

authors

&gt;=C2=A0 =C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
-- Section 4.1.1 --<br>
Suggest to start a new paragraph from &quot;In the other direction, ...&quo=
t;<br></blockquote><div><br></div><div>&lt;

authors

&gt; done &lt;/

authors

&gt;=C2=A0=C2=A0</div><div><br></div><div>Thank you very much again,</div><=
div><br></div><div>Ines, Michael and Pascal=C2=A0</div></div></div>

--000000000000ae7d1a05b8907d51--


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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Sun, 10 Jan 2021 21:11:04 +0200
Message-ID: <CAP+sJUdiqg9toNVLfRYz0J4417GB+kdyyzUBWBOWiqSWHsThOQ@mail.gmail.com>
To: Erik Kline <ek.ietf@gmail.com>
Cc: "Pascal Thubert (pthubert)" <pthubert=40cisco.com@dmarc.ietf.org>, roll <roll@ietf.org>
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Subject: Re: [Roll] Erik Kline's Discuss on draft-ietf-roll-useofrplinfo-42: (with DISCUSS and COMMENT)
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Dear Erik,

Thank you very much for your comments and suggestions, in version 43
(diff)  [Diff:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43] we add=
ed
a definition of consumed RH:

New text:
    Consumed: A Routing Header is consumed when the Segments Left field
    is zero, which indicates that the destination in the IPv6 header is
    the final destination of the packet and that the hops in the Routing
    Header have been traversed.

Please let us know if this addresses your concern.

Thank you again,

Ines, Michael and Pascal.

On Fri, Dec 18, 2020 at 5:42 PM Pascal Thubert (pthubert) <pthubert=3D
40cisco.com@dmarc.ietf.org> wrote:

> Hello Michael and all:
>
> > -----Original Message-----
> > From: Roll <roll-bounces@ietf.org> On Behalf Of Michael Richardson
> > Sent: mercredi 16 d=C3=A9cembre 2020 19:02
> > To: Erik Kline <ek.ietf@gmail.com>; Routing Over Low power and Lossy
> > networks <roll@ietf.org>
> > Subject: Re: [Roll] Erik Kline's Discuss on
> draft-ietf-roll-useofrplinfo-42: (with
> > DISCUSS and COMMENT)
> >
> >
> > Erik Kline via Datatracker <noreply@ietf.org> wrote:
> >     >   I might recommend instead referring to RFC 6554 S4.2 for how to
> >     > handle RH3's if the node is also a RPL-aware router and say it MU=
ST
> >     > drop the packet if segments left is non-zero and it's not a
> RPL-aware
> >     > router.
> >
> >     >   Related: I'd also recommend:
> >
> >     >   "It should just be noted that an incoming RH3 must be fully
> consumed,
> >     > or very carefully inspected."
> >
> >     ->
> >
> >     >   "It should just be noted that an incoming RH3 MUST be fully
> >     > consumed."
> >
> > I think that Pascal and I, when we write the "carefully inspected", is
> that we
> > are imagining situations where the topology is a bit subtle.
>
> Yes, I expected policies that would validate the right of a Leaf to
> participate to a DODAG ,or to remap the information from the leaf (could =
be
> the RPI, the opaque field in the EARO, or the 6-tuple) into an RPI.
>
> > Perhaps there are firewalls involved.
> > Perhaps a device has multiple interfaces (many radios for instance) and
> the
> > extra segments address the other interfaces.
> >
> > Also draft-ietf-anima-autonomic-control-plane uses storing mode, so nev=
er
> > has
> > RH3 headers, but imagine if it did.
> >
> > One could have a situation where the physical system containing one or
> more
> > layers of container was not the ultimate last hop from a logical point
> of view.
> > Rather than inner container was.  So, it's all the same stack actually.
> In that
> > case, an optimization might be to process more than one segment in that
> > stack.
> > (The ANIMA ACP definitely supports having VMs and containers inside
> > routers)
> >
> > So, I can live with your suggestion, because in my case above, we can
> argue
> > that it's still "consumed"
> >
> >     > * I'm confused by the use of "consumed" here.  Is the final RH3
> entry
> >     > RUL's address?  I guess you could say RH penultimate hop
> "consumes" the
> >     > header because the ultimate destination address is put in the
> header DA
> >     > field.  Seems a bit odd though.
> >
> > Yes, that's what we mean.
>
> Yes, as I said in my response I thought it was quite common. I'm surprise=
d
> to find little art to quote.
>
> > Once that ultimate destination is in the DA, then the RH3 is a dummy,
> but one
> > we are aren't supposed to remove.
> >
> >     >   I assume 6LR_n gets RUL's address from the last segment in RH3.
> >
> >     >   "Consumed" means segments left =3D=3D 0, I guess?  I suppose sh=
ould
> have
> >     > picked up on this terminology when it was first used in Section 2=
.
> >     > Maybe clarify what it means in that section (2)?
> >
> > Yes.
>
>
> Cool, we're good!
>
> Pascal
> _______________________________________________
> Roll mailing list
> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll
>

--000000000000336df405b8908f84
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear Erik,<div><br>Thank you very much fo=
r your comments and suggestions, in version 43 (diff)=C2=A0 [Diff:=C2=A0<a =
href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43=
">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43</a>] =
we added a definition of consumed RH:<br></div><div><br></div><div>New text=
:=C2=A0<br>=C2=A0	 =C2=A0 Consumed: A Routing Header is consumed when the S=
egments Left field	<br>=C2=A0	 =C2=A0 is zero, which indicates that the des=
tination in the IPv6 header is	<br>=C2=A0	 =C2=A0 the final destination of =
the packet and that the hops in the Routing	<br>=C2=A0	 =C2=A0 Header have =
been traversed.<br></div><div><br></div><div>Please let us know if this add=
resses your concern.</div><div><br></div><div>Thank you again,</div><div><b=
r></div><div>Ines, Michael and Pascal.=C2=A0</div></div><br><div class=3D"g=
mail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Dec 18, 2020 at 5=
:42 PM Pascal Thubert (pthubert) &lt;pthubert=3D<a href=3D"mailto:40cisco.c=
om@dmarc.ietf.org">40cisco.com@dmarc.ietf.org</a>&gt; wrote:<br></div><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:=
1px solid rgb(204,204,204);padding-left:1ex">Hello Michael and all:<br>
<br>
&gt; -----Original Message-----<br>
&gt; From: Roll &lt;<a href=3D"mailto:roll-bounces@ietf.org" target=3D"_bla=
nk">roll-bounces@ietf.org</a>&gt; On Behalf Of Michael Richardson<br>
&gt; Sent: mercredi 16 d=C3=A9cembre 2020 19:02<br>
&gt; To: Erik Kline &lt;<a href=3D"mailto:ek.ietf@gmail.com" target=3D"_bla=
nk">ek.ietf@gmail.com</a>&gt;; Routing Over Low power and Lossy<br>
&gt; networks &lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@i=
etf.org</a>&gt;<br>
&gt; Subject: Re: [Roll] Erik Kline&#39;s Discuss on draft-ietf-roll-useofr=
plinfo-42: (with<br>
&gt; DISCUSS and COMMENT)<br>
&gt; <br>
&gt; <br>
&gt; Erik Kline via Datatracker &lt;<a href=3D"mailto:noreply@ietf.org" tar=
get=3D"_blank">noreply@ietf.org</a>&gt; wrote:<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0I might recommend instead referrin=
g to RFC 6554 S4.2 for how to<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; handle RH3&#39;s if the node is also a RPL-awa=
re router and say it MUST<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; drop the packet if segments left is non-zero a=
nd it&#39;s not a RPL-aware<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; router.<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0Related: I&#39;d also recommend:<b=
r>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0&quot;It should just be noted that=
 an incoming RH3 must be fully consumed,<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; or very carefully inspected.&quot;<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0-&gt;<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0&quot;It should just be noted that=
 an incoming RH3 MUST be fully<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; consumed.&quot;<br>
&gt; <br>
&gt; I think that Pascal and I, when we write the &quot;carefully inspected=
&quot;, is that we<br>
&gt; are imagining situations where the topology is a bit subtle.<br>
<br>
Yes, I expected policies that would validate the right of a Leaf to partici=
pate to a DODAG ,or to remap the information from the leaf (could be the RP=
I, the opaque field in the EARO, or the 6-tuple) into an RPI.<br>
<br>
&gt; Perhaps there are firewalls involved.<br>
&gt; Perhaps a device has multiple interfaces (many radios for instance) an=
d the<br>
&gt; extra segments address the other interfaces.<br>
&gt; <br>
&gt; Also draft-ietf-anima-autonomic-control-plane uses storing mode, so ne=
ver<br>
&gt; has<br>
&gt; RH3 headers, but imagine if it did.<br>
&gt; <br>
&gt; One could have a situation where the physical system containing one or=
 more<br>
&gt; layers of container was not the ultimate last hop from a logical point=
 of view.<br>
&gt; Rather than inner container was.=C2=A0 So, it&#39;s all the same stack=
 actually.=C2=A0 In that<br>
&gt; case, an optimization might be to process more than one segment in tha=
t<br>
&gt; stack.<br>
&gt; (The ANIMA ACP definitely supports having VMs and containers inside<br=
>
&gt; routers)<br>
&gt; <br>
&gt; So, I can live with your suggestion, because in my case above, we can =
argue<br>
&gt; that it&#39;s still &quot;consumed&quot;<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; * I&#39;m confused by the use of &quot;consume=
d&quot; here.=C2=A0 Is the final RH3 entry<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; RUL&#39;s address?=C2=A0 I guess you could say=
 RH penultimate hop &quot;consumes&quot; the<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; header because the ultimate destination addres=
s is put in the header DA<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; field.=C2=A0 Seems a bit odd though.<br>
&gt; <br>
&gt; Yes, that&#39;s what we mean.<br>
<br>
Yes, as I said in my response I thought it was quite common. I&#39;m surpri=
sed to find little art to quote.<br>
<br>
&gt; Once that ultimate destination is in the DA, then the RH3 is a dummy, =
but one<br>
&gt; we are aren&#39;t supposed to remove.<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0I assume 6LR_n gets RUL&#39;s addr=
ess from the last segment in RH3.<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0&quot;Consumed&quot; means segment=
s left =3D=3D 0, I guess?=C2=A0 I suppose should have<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; picked up on this terminology when it was firs=
t used in Section 2.<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; Maybe clarify what it means in that section (2=
)?<br>
&gt; <br>
&gt; Yes.<br>
<br>
<br>
Cool, we&#39;re good!<br>
<br>
Pascal<br>
_______________________________________________<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: Ines  Robles <mariainesrobles@googlemail.com>
Date: Sun, 10 Jan 2021 21:18:33 +0200
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To: Barry Leiba <barryleiba@computer.org>
Cc: The IESG <iesg@ietf.org>, draft-ietf-roll-useofrplinfo@ietf.org,  roll-chairs <roll-chairs@ietf.org>, roll <roll@ietf.org>,  Peter Van der Stok <consultancy@vanderstok.org>, Alvaro Retana <aretana.ietf@gmail.com>
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Subject: Re: [Roll] Barry Leiba's No Objection on draft-ietf-roll-useofrplinfo-42: (with COMMENT)
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Dear Barry,

Thank you very much for your comments and suggestions, we believe that
version 43 (diff) addresses your concern, please find comments inline:

Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43

On Thu, Dec 17, 2020 at 6:10 AM Barry Leiba via Datatracker <
noreply@ietf.org> wrote:

>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
> =E2=80=94 Section 2 =E2=80=94
>
>    Flag Day: In this document, refers to a transition that involves
>    having a network with different values of RPI Option Type.
>
> I don=E2=80=99t understand.  First, I don=E2=80=99t find the text here cl=
ear at all: is it
> trying to say that two different values are coexisting (present at the sa=
me
> time) in one network?  Second, that seems to be exactly the opposite of
> what we
> usually use a flag day for.  The normal meaning of =E2=80=9Cflag day=E2=
=80=9D is a preset
> time
> when a changeover is made, exactly *because* the old and the new can=E2=
=80=99t
> coexist
> interoperably.  A =E2=80=9Cflag day=E2=80=9D isn=E2=80=99t a situation ca=
used by two
> non-interoperable
> things... it=E2=80=99s a mechanism for resolving such a situation by maki=
ng an
> abrupt,
> planned changeover from one to the other.
>

<authors> Thank you for the clarification, the new description of flag day
is as follows:

Flag Day: It is a mechanism for resolving an interoperability
 situation (e.g. lack of interoperation between new RPI Option Type
(0x23) and old RPI Option Type (0x63) nodes) by making an abrupt,
disruptive changeover from one to the other.

</authors>


> =E2=80=94 Section 4.2 =E2=80=94
>
>    Thus, this document updates the Option Type of the RPL Option
>    [RFC6553], abusively naming it RPI Option Type for simplicity,
>
> What is the point of =E2=80=9Cabusively=E2=80=9D here?  What=E2=80=99s it=
 supposed to mean?
>

 <authors > it means that have been used plenty, we have deleted
=E2=80=9Cabusively=E2=80=9D</authors >

>
> =E2=80=94 Section 10 =E2=80=94
>
>    This options allows to send
>    packets to not-RPL nodes, which should ignore the option and continue
>    processing the packets.
>
> I can=E2=80=99t sort this sentence out:
> 1. =E2=80=9CThis options=E2=80=9D is mixing singular and plural.
> 2. No option or options has/have been mentioned before, so I don=E2=80=99=
t know
> what
> option(s) it=E2=80=99s talking about. 3. I guess you mean =E2=80=9Cnon-RP=
L=E2=80=9D, rather than
> =E2=80=9Cnot-RPL=E2=80=9C. 4. Allows *who* to send packets?  =E2=80=9CAll=
ows to=E2=80=9D needs a subject,
> like
> =E2=80=9Callows a node to send=E2=80=9D, or some such. 5. What is the ant=
ecedent to
> =E2=80=9Cwhich=E2=80=9D?
> It=E2=80=99s not clear to me.
>

 <authors > The new sentence is as follows:

The 0x23 RPI Option allows to send packets to not-RPL nodes. The not-RPL
nodes should ignore the option and continue processing the packets.

</authors >

>
>    As mentioned previously, indicating the new RPI in the DODAG
>    Configuration option flag is a way to avoid the flag day (lack of
>    interoperation) in a network using 0x63 as the RPI Option Type value.
>
> I=E2=80=99ll just note that this is a correct use of =E2=80=9Cflag day=E2=
=80=9D, but with an odd
> explanation in the parentheses.  I would say =E2=80=9C(abrupt, disruptive
> changeover)=E2=80=9D.
>

<authors > changed to - abrupt changeover-

....indicating the new RPI in the DODAG Configuration option flag is a way
to avoid the flag day (abrupt changeover) in a network using 0x63 as the
RPI Option Type value...

.</authors >

Thank you again,

Ines, Pascal and Michael.

--000000000000f195ed05b890a9a6
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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear Barry,</div><div dir=3D"ltr"><br>Tha=
nk you very much for your comments and suggestions, we believe that version=
 43 (diff) addresses your concern, please find comments inline:<div><br>Dif=
f:=C2=A0<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useo=
frplinfo-43">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplin=
fo-43</a><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cl=
ass=3D"gmail_attr">On Thu, Dec 17, 2020 at 6:10 AM Barry Leiba via Datatrac=
ker &lt;<a href=3D"mailto:noreply@ietf.org">noreply@ietf.org</a>&gt; wrote:=
<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8=
ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
----------------------------------------------------------------------<br>
COMMENT:<br>
----------------------------------------------------------------------<br>=
=E2=80=94 Section 2 =E2=80=94<br>
<br>
=C2=A0 =C2=A0Flag Day: In this document, refers to a transition that involv=
es<br>
=C2=A0 =C2=A0having a network with different values of RPI Option Type.<br>
<br>
I don=E2=80=99t understand.=C2=A0 First, I don=E2=80=99t find the text here=
 clear at all: is it<br>
trying to say that two different values are coexisting (present at the same=
<br>
time) in one network?=C2=A0 Second, that seems to be exactly the opposite o=
f what we<br>
usually use a flag day for.=C2=A0 The normal meaning of =E2=80=9Cflag day=
=E2=80=9D is a preset time<br>
when a changeover is made, exactly *because* the old and the new can=E2=80=
=99t coexist<br>
interoperably.=C2=A0 A =E2=80=9Cflag day=E2=80=9D isn=E2=80=99t a situation=
 caused by two non-interoperable<br>
things... it=E2=80=99s a mechanism for resolving such a situation by making=
 an abrupt,<br>
planned changeover from one to the other.<br></blockquote><div><br></div><d=
iv>&lt;authors&gt; Thank you for the clarification, the new description of =
flag day is as follows:</div><div><br>Flag Day: It is a mechanism for resol=
ving an interoperability<br>=C2=A0situation (e.g. lack of interoperation be=
tween new RPI Option Type	<br>(0x23) and old RPI Option Type (0x63) nodes) =
by making an abrupt,	<br>disruptive changeover from one to the other.<br><b=
r>&lt;/authors&gt;=C2=A0<br></div><div><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">
<br>
=E2=80=94 Section 4.2 =E2=80=94<br>
<br>
=C2=A0 =C2=A0Thus, this document updates the Option Type of the RPL Option<=
br>
=C2=A0 =C2=A0[RFC6553], abusively naming it RPI Option Type for simplicity,=
<br>
<br>
What is the point of =E2=80=9Cabusively=E2=80=9D here?=C2=A0 What=E2=80=99s=
 it supposed to mean?<br></blockquote><div><br></div><div>=C2=A0&lt;authors=
 &gt; it means that have been used plenty, we have deleted =E2=80=9Cabusive=
ly=E2=80=9D&lt;/authors &gt;</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">
<br>
=E2=80=94 Section 10 =E2=80=94<br>
<br>
=C2=A0 =C2=A0This options allows to send<br>
=C2=A0 =C2=A0packets to not-RPL nodes, which should ignore the option and c=
ontinue<br>
=C2=A0 =C2=A0processing the packets.<br>
<br>
I can=E2=80=99t sort this sentence out:<br>
1. =E2=80=9CThis options=E2=80=9D is mixing singular and plural.<br>
2. No option or options has/have been mentioned before, so I don=E2=80=99t =
know what<br>
option(s) it=E2=80=99s talking about. 3. I guess you mean =E2=80=9Cnon-RPL=
=E2=80=9D, rather than<br>
=E2=80=9Cnot-RPL=E2=80=9C. 4. Allows *who* to send packets?=C2=A0 =E2=80=9C=
Allows to=E2=80=9D needs a subject, like<br>
=E2=80=9Callows a node to send=E2=80=9D, or some such. 5. What is the antec=
edent to =E2=80=9Cwhich=E2=80=9D? <br>
It=E2=80=99s not clear to me.<br></blockquote><div><br></div>=C2=A0&lt;auth=
ors &gt; The new sentence is as follows:<br><br>The 0x23 RPI Option allows =
to send packets to not-RPL nodes. The not-RPL nodes should ignore the optio=
n and continue processing the packets.<br><br><div>&lt;/authors &gt;=C2=A0<=
/div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bo=
rder-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
=C2=A0 =C2=A0As mentioned previously, indicating the new RPI in the DODAG<b=
r>
=C2=A0 =C2=A0Configuration option flag is a way to avoid the flag day (lack=
 of<br>
=C2=A0 =C2=A0interoperation) in a network using 0x63 as the RPI Option Type=
 value.<br>
<br>
I=E2=80=99ll just note that this is a correct use of =E2=80=9Cflag day=E2=
=80=9D, but with an odd<br>
explanation in the parentheses.=C2=A0 I would say =E2=80=9C(abrupt, disrupt=
ive changeover)=E2=80=9D.<br></blockquote><div><br></div>&lt;authors &gt; c=
hanged to - abrupt changeover-=C2=A0</div><div class=3D"gmail_quote"><br><d=
iv>....indicating the new RPI in the DODAG Configuration option flag is a w=
ay to avoid the flag day (abrupt changeover) in a network using 0x63 as the=
 RPI Option Type value...</div><div><br></div><div>.&lt;/authors &gt;=C2=A0=
</div><div><br></div><div>Thank you again,</div><div><br></div><div>Ines, P=
ascal and Michael.</div></div></div>

--000000000000f195ed05b890a9a6--


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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Sun, 10 Jan 2021 21:36:47 +0200
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To: Benjamin Kaduk <kaduk@mit.edu>
Cc: The IESG <iesg@ietf.org>, draft-ietf-roll-useofrplinfo@ietf.org,  roll-chairs <roll-chairs@ietf.org>, roll <roll@ietf.org>,  Peter Van der Stok <consultancy@vanderstok.org>, Alvaro Retana <aretana.ietf@gmail.com>
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Subject: Re: [Roll] Benjamin Kaduk's No Objection on draft-ietf-roll-useofrplinfo-42: (with COMMENT)
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Dear Benjamin,

Thank you very much for your comments and suggestions, we believe that
version 43 (diff) addresses your concern, please find comments inline:

Diff: https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-useofrplinfo-43

On Thu, Dec 17, 2020 at 10:48 AM Benjamin Kaduk via Datatracker <
noreply@ietf.org> wrote:

> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Unfortunately, I only had time to review the diff from the -29 (that
> addressed my previous batch of comments) and the -42, and was not able
> to attempt to look closely at the new tables and their depiction of the
> added/modified/removed/untouched headers.  As such, I do not have many
> comments.
>
> Since we are marking MOP value 7 as reserved, do we expect this document
> to be listed as a reference for that entry in the registry?
>

<authors> New text in Section 11.2
This document requests to be mentioned as a reference for this change.
</authors>

>
>
> Section 1
>
>    Most of the use cases described therein require the use of IPv6-in-
>
> nit: s/therein/herein/
>

<authors> fixed </authors>

>
> Section 2
>
>    Flag Day: In this document, refers to a transition that involves
>    having a network with different values of RPI Option Type.
>
> Is the flag day the act of transitioning the network from one value to
> the other, or only the sub-case when it is a disruptive transition, or
> ...?
>
> <authors> The new description of flag day is as follows:

Flag Day: It is a mechanism for resolving an interoperability
 situation (e.g. lack of interoperation between new RPI Option Type
(0x23) and old RPI Option Type (0x63) nodes) by making an abrupt,
disruptive changeover from one to the other.

</authors>



> Section 3
>
>    routed.  A RPL Instance is either fully storing or fully non-storing,
>    i.e. a RPL Instance with a combination of storing and non-storing
>    nodes is not supported with the current specifications at the time of
>    writing this document.
>
> (I assume there is no conflict between this statement and the behavior
> described in Section 4.1.1 whereby external routes are advertised with
> non-storing-mode messaging even in a storing-mode network.)
>

<authors> we added clarification in order to avoid confusion, the proposed
new text is as follows:

RPL supports two modes of Downward internal traffic: in storing mode
(SM), it is fully stateful; in non-storing mode (Non-SM), it is fully
source routed.  A RPL Instance is either fully storing or fully non-
storing, i.e. a RPL Instance with a combination of a fully storing
and non-storing nodes is not supported with the current
specifications at the time of writing this document.  External routes
are advertised with non-storing-mode messaging even in a storing mode
network, see Section 4.1.1

</authors>

>
> Section 4.1.1
>
>    In order to enable IP-in-IP all the way to a 6LN, it is beneficial
>    that the 6LN supports decapsulating IP-in-IP, but that is not assumed
>    by [RFC8504].  If the 6LN is a RUL, the Root that encapsulates a
>    packet SHOULD terminate the tunnel at a parent 6LR unless it is aware
>    that the RUL supports IP-in-IP decapsulation.
>
> Is there anything useful to say about how the Root would know that the
> RUL supports IP-in-IP decapsulation?  ("No" is a valid answer :)
>

<authors> Not in the scope of this document </authors>

>
> Section 4.3
>
>    This modification is required in order to be able to decompress the
>    RPL Option with the new Option Type of 0x23.
>
> nit(?): is it the RPL Option or the entire header that is decompressed?
>

<authors> decompress the option </authors>

>
> Section 6
>
>       - For traffic leaving a RUL, if the RUL adds an opaque RPI then
>       the description of the RAL applies.  The 6LR as a RPL border
>       router SHOULD rewrite the RPI to indicate the selected Instance
>       and set the flags.
>
> I'm not sure that I fully understand this point (specifically, "the
> description of the RAL applies").  Similar text also appears in the
> Security Considerations.
>

<authors> New proposed text :
For traffic leaving a RUL, if the RUL adds an opaque RPI then
the 6LR as a RPL border router SHOULD rewrite the RPI to indicate
the selected Instance and set the flags.
 </authors>

>
> Section 8.2.4
>
> There seem to be some changes in the table compared to the -29; were
> these verified to be correct?
>

<authors> yes, it is correct, we moved the -modified headers - to be
located after the -added headers- in all the tables </authors>

>
> Section 12
>
>    Also, this applies in the case where the leaf is aware of the RPL
>    instance and passes a correct RPI, the 6LR needs a configuration that
>    allows that leaf to inject in that instance.
>
> nit: the second comma should probably be a colon or em dash.
>
> <authors> fixed </authors>

Thank you very much again,

Ines, Michael and Pascal.

--0000000000002831ed05b890eb28
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear Benjamin,<div><br>Thank you very muc=
h for your comments and suggestions, we believe that version 43 (diff) addr=
esses your concern, please find comments inline:</div><div><br>Diff:=C2=A0<=
a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-=
43">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43</a>=
<br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gm=
ail_attr">On Thu, Dec 17, 2020 at 10:48 AM Benjamin Kaduk via Datatracker &=
lt;<a href=3D"mailto:noreply@ietf.org">noreply@ietf.org</a>&gt; wrote:<br><=
/div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bo=
rder-left:1px solid rgb(204,204,204);padding-left:1ex">--------------------=
--------------------------------------------------<br>
COMMENT:<br>
----------------------------------------------------------------------<br>
<br>
Unfortunately, I only had time to review the diff from the -29 (that<br>
addressed my previous batch of comments) and the -42, and was not able<br>
to attempt to look closely at the new tables and their depiction of the<br>
added/modified/removed/untouched headers.=C2=A0 As such, I do not have many=
<br>
comments.<br>
<br>
Since we are marking MOP value 7 as reserved, do we expect this document<br=
>
to be listed as a reference for that entry in the registry?<br></blockquote=
><div><br></div>&lt;authors&gt; New text in Section 11.2<br>	This document =
requests to be mentioned as a reference for this change.<br><div>&lt;/autho=
rs&gt;=C2=A0=C2=A0</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">
<br>
<br>
Section 1<br>
<br>
=C2=A0 =C2=A0Most of the use cases described therein require the use of IPv=
6-in-<br>
<br>
nit: s/therein/herein/<br></blockquote><div><br></div><div>

&lt;authors&gt; fixed &lt;/authors&gt;=C2=A0</div><blockquote class=3D"gmai=
l_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,20=
4,204);padding-left:1ex">
<br>
Section 2<br>
<br>
=C2=A0 =C2=A0Flag Day: In this document, refers to a transition that involv=
es<br>
=C2=A0 =C2=A0having a network with different values of RPI Option Type.<br>
<br>
Is the flag day the act of transitioning the network from one value to<br>
the other, or only the sub-case when it is a disruptive transition, or<br>
...?<br>
<br></blockquote><div>&lt;authors&gt; The new description of flag day is as=
 follows:</div><div><br>Flag Day: It is a mechanism for resolving an intero=
perability<br>=C2=A0situation (e.g. lack of interoperation between new RPI =
Option Type	<br>(0x23) and old RPI Option Type (0x63) nodes) by making an a=
brupt,	<br>disruptive changeover from one to the other.<br><br>&lt;/authors=
&gt;=C2=A0<br></div><div><br></div><div>=C2=A0</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">
Section 3<br>
<br>
=C2=A0 =C2=A0routed.=C2=A0 A RPL Instance is either fully storing or fully =
non-storing,<br>
=C2=A0 =C2=A0i.e. a RPL Instance with a combination of storing and non-stor=
ing<br>
=C2=A0 =C2=A0nodes is not supported with the current specifications at the =
time of<br>
=C2=A0 =C2=A0writing this document.<br>
<br>
(I assume there is no conflict between this statement and the behavior<br>
described in Section 4.1.1 whereby external routes are advertised with<br>
non-storing-mode messaging even in a storing-mode network.)<br></blockquote=
><div><br></div>&lt;authors&gt; we added clarification in order to avoid co=
nfusion, the proposed new text is as follows: <br><br>RPL supports two mode=
s of Downward internal traffic: in storing mode<br>(SM), it is fully statef=
ul; in non-storing mode (Non-SM), it is fully<br>source routed.=C2=A0 A RPL=
 Instance is either fully storing or fully non-<br>storing, i.e. a RPL Inst=
ance with a combination of a fully storing<br>and non-storing nodes is not =
supported with the current<br>specifications at the time of writing this do=
cument.=C2=A0 External routes	<br>are advertised with non-storing-mode mess=
aging even in a storing mode	<br>network, see Section 4.1.1<br><br><div>&lt=
;/authors&gt;=C2=A0=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left=
:1ex">
<br>
Section 4.1.1<br>
<br>
=C2=A0 =C2=A0In order to enable IP-in-IP all the way to a 6LN, it is benefi=
cial<br>
=C2=A0 =C2=A0that the 6LN supports decapsulating IP-in-IP, but that is not =
assumed<br>
=C2=A0 =C2=A0by [RFC8504].=C2=A0 If the 6LN is a RUL, the Root that encapsu=
lates a<br>
=C2=A0 =C2=A0packet SHOULD terminate the tunnel at a parent 6LR unless it i=
s aware<br>
=C2=A0 =C2=A0that the RUL supports IP-in-IP decapsulation.<br>
<br>
Is there anything useful to say about how the Root would know that the<br>
RUL supports IP-in-IP decapsulation?=C2=A0 (&quot;No&quot; is a valid answe=
r :)<br></blockquote><div><br></div><div>&lt;authors&gt; Not in the scope o=
f this document &lt;/authors&gt;=C2=A0</div><blockquote class=3D"gmail_quot=
e" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204)=
;padding-left:1ex">
<br>
Section 4.3<br>
<br>
=C2=A0 =C2=A0This modification is required in order to be able to decompres=
s the<br>
=C2=A0 =C2=A0RPL Option with the new Option Type of 0x23.<br>
<br>
nit(?): is it the RPL Option or the entire header that is decompressed?<br>=
</blockquote><div><br></div><div>&lt;authors&gt; decompress the option &lt;=
/authors&gt;=C2=A0=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"ma=
rgin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:=
1ex">
<br>
Section 6<br>
<br>
=C2=A0 =C2=A0 =C2=A0 - For traffic leaving a RUL, if the RUL adds an opaque=
 RPI then<br>
=C2=A0 =C2=A0 =C2=A0 the description of the RAL applies.=C2=A0 The 6LR as a=
 RPL border<br>
=C2=A0 =C2=A0 =C2=A0 router SHOULD rewrite the RPI to indicate the selected=
 Instance<br>
=C2=A0 =C2=A0 =C2=A0 and set the flags.<br>
<br>
I&#39;m not sure that I fully understand this point (specifically, &quot;th=
e<br>
description of the RAL applies&quot;).=C2=A0 Similar text also appears in t=
he<br>
Security Considerations.<br></blockquote><div><br></div>&lt;authors&gt; New=
 proposed text :<br>For traffic leaving a RUL, if the RUL adds an opaque RP=
I then<br>the 6LR as a RPL border router SHOULD rewrite the RPI to indicate=
<br>the selected Instance and set the flags.<br><div>=C2=A0&lt;/authors&gt;=
=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">
<br>
Section 8.2.4<br>
<br>
There seem to be some changes in the table compared to the -29; were<br>
these verified to be correct?<br></blockquote><div><br></div><div>&lt;autho=
rs&gt; yes, it is correct, we moved the -modified headers - to be located a=
fter the -added headers- in all the tables &lt;/authors&gt;=C2=A0=C2=A0</di=
v><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;borde=
r-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Section 12<br>
<br>
=C2=A0 =C2=A0Also, this applies in the case where the leaf is aware of the =
RPL<br>
=C2=A0 =C2=A0instance and passes a correct RPI, the 6LR needs a configurati=
on that<br>
=C2=A0 =C2=A0allows that leaf to inject in that instance.<br>
<br>
nit: the second comma should probably be a colon or em dash.<br>
<br></blockquote><div>&lt;authors&gt; fixed &lt;/authors&gt;=C2=A0=C2=A0</d=
iv><div><br></div><div>Thank you very much again,</div><div><br></div><div>=
Ines, Michael and Pascal.=C2=A0</div></div></div>

--0000000000002831ed05b890eb28--


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Date: Sun, 10 Jan 2021 21:40:00 +0200
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To: Roman Danyliw <rdd@cert.org>
Cc: The IESG <iesg@ietf.org>, draft-ietf-roll-useofrplinfo@ietf.org,  roll-chairs <roll-chairs@ietf.org>, roll <roll@ietf.org>,  Peter Van der Stok <consultancy@vanderstok.org>, Alvaro Retana <aretana.ietf@gmail.com>
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Subject: Re: [Roll] Roman Danyliw's No Objection on draft-ietf-roll-useofrplinfo-42: (with COMMENT)
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Dear Roman,

Thank you very much for your comments and suggestions, we believe that
version 43 (diff) addresses your concern, please find comments inline:
Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43

On Wed, Dec 16, 2020 at 9:46 PM Roman Danyliw via Datatracker <
noreply@ietf.org> wrote:

> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Thank you to Daniel Migault for the SECDIR review.
>
> I have nothing substantive to add to the new text here.  My feedback was
> addressed in -29 after the first IESG review of this document.
>
> A few nits:
>
> ** Section 1.  Editorial. s/it is recommended the reading of
> [I-D.ietf-intarea-tunnels] that explains/ [I-D.ietf-intarea-tunnels] is
> recommended reading to explain/
>

<authors> fixed </authors>

>
> ** Section 4.2.  What is =E2=80=9Cabusively naming it=E2=80=9D?
>

<authors > it means that have been used plenty, we have deleted
=E2=80=9Cabusively=E2=80=9D</authors >

>
> ** Section 4.2.  Editorial. s/There is therefore no longer a necessity
> to/There
> is no longer a need to/
>
> <authors> fixed </authors>

Thank you and best regards,

Ines, Pascal and Michael

--000000000000a543b705b890f623
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<div dir=3D"ltr"><div dir=3D"ltr">Dear Roman,</div><div dir=3D"ltr"><br>Tha=
nk you very much for your comments and suggestions, we believe that version=
 43 (diff) addresses your concern, please find comments inline:<br>Diff:=C2=
=A0<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrpli=
nfo-43">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43=
</a><br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmai=
l_attr">On Wed, Dec 16, 2020 at 9:46 PM Roman Danyliw via Datatracker &lt;<=
a href=3D"mailto:noreply@ietf.org">noreply@ietf.org</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">------------------------=
----------------------------------------------<br>
COMMENT:<br>
----------------------------------------------------------------------<br>
<br>
Thank you to Daniel Migault for the SECDIR review.<br>
<br>
I have nothing substantive to add to the new text here.=C2=A0 My feedback w=
as<br>
addressed in -29 after the first IESG review of this document.<br>
<br>
A few nits:<br>
<br>
** Section 1.=C2=A0 Editorial. s/it is recommended the reading of<br>
[I-D.ietf-intarea-tunnels] that explains/ [I-D.ietf-intarea-tunnels] is<br>
recommended reading to explain/<br></blockquote><div><br></div><div>&lt;aut=
hors&gt; fixed &lt;/authors&gt;=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">
<br>
** Section 4.2.=C2=A0 What is =E2=80=9Cabusively naming it=E2=80=9D?<br></b=
lockquote><div><br></div><div>&lt;authors &gt; it means that have been used=
 plenty, we have deleted =E2=80=9Cabusively=E2=80=9D&lt;/authors &gt;=C2=A0=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
** Section 4.2.=C2=A0 Editorial. s/There is therefore no longer a necessity=
 to/There<br>
is no longer a need to/<br>
<br></blockquote><div>&lt;authors&gt; fixed &lt;/authors&gt;=C2=A0=C2=A0</d=
iv><div><br></div><div>Thank you and best regards,</div><div><br></div><div=
>Ines, Pascal and Michael=C2=A0</div></div></div>

--000000000000a543b705b890f623--


From nobody Mon Jan 11 23:43:15 2021
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Subject: [Roll] I-D Action: draft-ietf-roll-unaware-leaves-29.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-29.txt
	Pages           : 43
	Date            : 2021-01-11

Abstract:
   This specification updates RFC6550, RFC6775, and RFC8505.  It
   provides a mechanism for a host that implements a routing-agnostic
   interface based on 6LoWPAN Neighbor Discovery to obtain reachability
   services across a network that leverages RFC6550 for its routing
   operations.


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

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-roll-unaware-leaves-29.html

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-unaware-leaves-29


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: Ines  Robles <mariainesrobles@googlemail.com>
Date: Tue, 12 Jan 2021 19:31:02 +0200
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Subject: Re: [Roll] Doodle for Interim Meeting in January - Minutes from IETF 109
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--0000000000001edeeb05b8b76557
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Dear all,

Thank you for filling the doodle, the selected date and time are as follows:

Date:  Jan 29, 2021

Time:  9:30 am Eastern Time = 2:30 pm UTC = 3:30 pm CET

Agenda: Please let us know the topic that you would like to present, and
the duration of the requested-slot by *22th January*

Webex:
Notice that the webex opens 15 min earlier in case that you want to test
and it stays open 45 min after the meeting in case that people want to
discuss with the chairs.

 IETF ROLL Interim Meeting January 2021
Hosted by ROLL WG

https://ietf.webex.com/ietf/j.php?MTID=m34b599e4c5ac49d9e4bc6128a4cc26e7
Friday, Jan 29, 2021 9:15 am | 3 hours | (UTC-05:00) Eastern Time (US &
Canada)
Meeting number: 178 378 7708
Password: UUuqJR3C3C7
a617699ad5544f75991a8738db89dcba

Join by video system
Dial 1783787708@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)
Access code: 178 378 7708

Thank you very much in advance,
Ines and Dominique.

On Mon, Dec 21, 2020 at 5:50 PM Ines Robles <mariainesrobles@googlemail.com>
wrote:

> Dear all,
>
> Please find the link to the doodle in order to set up an interim meeting
> at the end of January 2021.  Please fill it by 8th of January.
>
> https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=poll&utm_medium=link
>
>
> Please also find the link to the minutes of the IETF109, comments welcome
> by 3th January. Many many thanks to the minute takers :-)
>
> https://datatracker.ietf.org/doc/minutes-109-roll/
>
> Best wishes,
>
> Ines and Dominique.
>
>
>
>
>

--0000000000001edeeb05b8b76557
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<div dir=3D"ltr">Dear all,<br><div><br></div><div>Thank you for filling the=
 doodle, the selected date and time are as follows:</div><div><br></div><di=
v>Date:=C2=A0

Jan 29, 2021

</div><div><br></div><div>Time:=C2=A0

9:30 am Eastern Time =3D 2:30 pm UTC =3D 3:30 pm CET</div><div><br></div><d=
iv>Agenda: Please let us know the topic that you would like to present, and=
 the duration of the requested-slot by <b>22th January</b></div><div><b><br=
></b></div><div>Webex:=C2=A0</div><div>Notice that the webex opens 15 min e=
arlier in case that you want to test and it stays open 45 min after the mee=
ting in case that people want to discuss with the chairs.=C2=A0</div><div><=
br></div><div>=C2=A0IETF ROLL Interim Meeting January 2021<br>Hosted by ROL=
L WG<br><br><a href=3D"https://ietf.webex.com/ietf/j.php?MTID=3Dm34b599e4c5=
ac49d9e4bc6128a4cc26e7">https://ietf.webex.com/ietf/j.php?MTID=3Dm34b599e4c=
5ac49d9e4bc6128a4cc26e7</a><br>Friday, Jan 29, 2021 9:15 am | 3 hours | (UT=
C-05:00) Eastern Time (US &amp; Canada)<br>Meeting number: 178 378 7708<br>=
Password: UUuqJR3C3C7<br>a617699ad5544f75991a8738db89dcba<br><br>Join by vi=
deo system<br>Dial <a href=3D"mailto:1783787708@ietf.webex.com">1783787708@=
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/Can=
ada)<br>Access code: 178 378 7708=C2=A0=C2=A0<b><br></b></div><div><br></di=
v><div>Thank you very much in advance,</div><div>Ines and Dominique.=C2=A0<=
/div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_a=
ttr">On Mon, Dec 21, 2020 at 5:50 PM Ines  Robles &lt;<a href=3D"mailto:mar=
iainesrobles@googlemail.com">mariainesrobles@googlemail.com</a>&gt; wrote:<=
br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8e=
x;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"=
>Dear all,<div><br></div><div>Please find the link to the doodle in order t=
o set up an interim meeting at the end of January 2021.=C2=A0

Please fill it by 8th of January.</div><div><br></div><div><a href=3D"https=
://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dpoll&amp;utm_medium=3Dlink=
" target=3D"_blank">https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dp=
oll&amp;utm_medium=3Dlink</a><br></div><div><br></div><div></div><div><br><=
/div><div>Please also find the link to the minutes of the IETF109, comments=
 welcome by 3th January. Many many thanks to the minute takers :-)</div><di=
v><br></div><div><a href=3D"https://datatracker.ietf.org/doc/minutes-109-ro=
ll/" target=3D"_blank">https://datatracker.ietf.org/doc/minutes-109-roll/</=
a><br></div><div><br></div><div>Best wishes,</div><div><br></div><div>Ines =
and Dominique.</div><div><br></div><div><br></div><div><br></div><div><br><=
/div></div>
</blockquote></div>

--0000000000001edeeb05b8b76557--


From nobody Tue Jan 12 11:13:34 2021
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Subject: [Roll] Routing Over Low power and Lossy networks (roll) WG Virtual Meeting: 2021-01-29
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The Routing Over Low power and Lossy networks (roll) WG will hold
a virtual interim meeting on 2021-01-29 from 16:30 to 18:30 Europe/Helsinki (14:30 to 16:30 UTC).

Agenda:
Agenda and meeting materials: TBD

IETF ROLL Interim Meeting January 2021 
Hosted by ROLL WG  https://ietf.webex.com/ietf/j.php?MTID=m34b599e4c5ac49d9e4bc6128a4cc26e7 
Friday, Jan 29, 2021 9:15 am | 3 hours | (UTC-05:00) Eastern Time (US & Canada) 

Meeting number: 178 378 7708 
Password: UUuqJR3C3C7   

Join by video system Dial 1783787708@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) 
Access code: 178 378 7708


Information about remote participation:
https://ietf.webex.com/ietf/j.php?MTID=m34b599e4c5ac49d9e4bc6128a4cc26e7


From nobody Fri Jan 15 09:18:21 2021
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Subject: [Roll] I-D Action: draft-ietf-roll-useofrplinfo-44.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           : Using RPI Option Type, Routing Header for Source Routes and IPv6-in-IPv6 encapsulation in the RPL Data Plane
        Authors         : Maria Ines Robles
                          Michael C. Richardson
                          Pascal Thubert
	Filename        : draft-ietf-roll-useofrplinfo-44.txt
	Pages           : 64
	Date            : 2021-01-15

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.


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

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-roll-useofrplinfo-44
https://datatracker.ietf.org/doc/html/draft-ietf-roll-useofrplinfo-44

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-useofrplinfo-44


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: Ines  Robles <mariainesrobles@googlemail.com>
Date: Fri, 15 Jan 2021 19:29:55 +0200
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To: Erik Kline <ek.ietf@gmail.com>
Cc: "Pascal Thubert (pthubert)" <pthubert=40cisco.com@dmarc.ietf.org>, roll <roll@ietf.org>, Michael Richardson <mcr+ietf@sandelman.ca>
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Subject: Re: [Roll] Erik Kline's Discuss on draft-ietf-roll-useofrplinfo-42: (with DISCUSS and COMMENT)
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Dear Erik,

version 44 recently published [
https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-44.txt]

1- Extends the definition of Flag Day:

Flag Day: A Flag Day is caused when a network is reconfigured in a
way that nodes running the older configuration can not communicate
with nodes running the new configuration.  For instance, when the
ARPANET changed from IP version 3 to IP version 4 on January 1, 1983
([RFC0801]).  In the context of this document, a switch from RPI
Option Type (0x63) and Option Type (0x23) presents as a disruptive
changeover.  In order to reduce the amount of time for such a
changeover, Section 4.1.3 provides a mechanism to allow nodes to be
incrementally upgraded.

2-  Clarifies in Security Considerations the RH3 header usage

"The RH3 header usage described here can be abused in equivalent ways.
   An external attacker may form a packet with an RH3 that is not fully
   consumed and encapsulate it to hide the RH3 from intermediate nodes
   and disguise the origin of traffic.  As such, the attacker's RH3
   header will not be seen by the network until it reaches the
   destination, which will decapsulate it.  As indicated in section 4.2
   of [RFC6554] <https://tools.ietf.org/html/rfc6554#section-4.2>, RPL
routers are responsible for ensuring that an SRH is
   only used between RPL routers.  As such, if there is an RH3 that is
   not fully consumed in the encapsulated packet, the node that
   decapsulates it MUST ensure that the outer packet was originated in
   the RPL domain and drop the packet otherwise.

   Also, as indicated by section 2 of [RFC6554]
<https://tools.ietf.org/html/rfc6554#section-2>, RPL Border Routers
"do
   not allow datagrams carrying an SRH header to enter or exit a RPL
   routing domain".  This sentence must be understood as concerning non-
   fully-consumed packets.  A consumed (inert) RH3 header could be
   present in a packet that flows from one LLN, crosses the Internet,
   and enters another LLN.  As per the discussion in this document, such
   headers do not need to be removed.  However, there is no case
   described in this document where an RH3 is inserted in a non-storing

   network on traffic that is leaving the LLN, but this document should
   not preclude such a future innovation.

   In short, a packet that crosses the border of the RPL domain MAY
   carry and RH3, and if so, that RH3 MUST be fully consumed."


Please let us know if this address your concern.


Thank you very much in advance,

Ines, Pascal and Michael.

On Sun, Jan 10, 2021 at 9:11 PM Ines Robles <mariainesrobles@googlemail.com=
>
wrote:

> Dear Erik,
>
> Thank you very much for your comments and suggestions, in version 43
> (diff)  [Diff:
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43] we
> added a definition of consumed RH:
>
> New text:
>     Consumed: A Routing Header is consumed when the Segments Left field
>     is zero, which indicates that the destination in the IPv6 header is
>     the final destination of the packet and that the hops in the Routing
>     Header have been traversed.
>
> Please let us know if this addresses your concern.
>
> Thank you again,
>
> Ines, Michael and Pascal.
>
> On Fri, Dec 18, 2020 at 5:42 PM Pascal Thubert (pthubert) <pthubert=3D
> 40cisco.com@dmarc.ietf.org> wrote:
>
>> Hello Michael and all:
>>
>> > -----Original Message-----
>> > From: Roll <roll-bounces@ietf.org> On Behalf Of Michael Richardson
>> > Sent: mercredi 16 d=C3=A9cembre 2020 19:02
>> > To: Erik Kline <ek.ietf@gmail.com>; Routing Over Low power and Lossy
>> > networks <roll@ietf.org>
>> > Subject: Re: [Roll] Erik Kline's Discuss on
>> draft-ietf-roll-useofrplinfo-42: (with
>> > DISCUSS and COMMENT)
>> >
>> >
>> > Erik Kline via Datatracker <noreply@ietf.org> wrote:
>> >     >   I might recommend instead referring to RFC 6554 S4.2 for how t=
o
>> >     > handle RH3's if the node is also a RPL-aware router and say it
>> MUST
>> >     > drop the packet if segments left is non-zero and it's not a
>> RPL-aware
>> >     > router.
>> >
>> >     >   Related: I'd also recommend:
>> >
>> >     >   "It should just be noted that an incoming RH3 must be fully
>> consumed,
>> >     > or very carefully inspected."
>> >
>> >     ->
>> >
>> >     >   "It should just be noted that an incoming RH3 MUST be fully
>> >     > consumed."
>> >
>> > I think that Pascal and I, when we write the "carefully inspected", is
>> that we
>> > are imagining situations where the topology is a bit subtle.
>>
>> Yes, I expected policies that would validate the right of a Leaf to
>> participate to a DODAG ,or to remap the information from the leaf (could=
 be
>> the RPI, the opaque field in the EARO, or the 6-tuple) into an RPI.
>>
>> > Perhaps there are firewalls involved.
>> > Perhaps a device has multiple interfaces (many radios for instance) an=
d
>> the
>> > extra segments address the other interfaces.
>> >
>> > Also draft-ietf-anima-autonomic-control-plane uses storing mode, so
>> never
>> > has
>> > RH3 headers, but imagine if it did.
>> >
>> > One could have a situation where the physical system containing one or
>> more
>> > layers of container was not the ultimate last hop from a logical point
>> of view.
>> > Rather than inner container was.  So, it's all the same stack
>> actually.  In that
>> > case, an optimization might be to process more than one segment in tha=
t
>> > stack.
>> > (The ANIMA ACP definitely supports having VMs and containers inside
>> > routers)
>> >
>> > So, I can live with your suggestion, because in my case above, we can
>> argue
>> > that it's still "consumed"
>> >
>> >     > * I'm confused by the use of "consumed" here.  Is the final RH3
>> entry
>> >     > RUL's address?  I guess you could say RH penultimate hop
>> "consumes" the
>> >     > header because the ultimate destination address is put in the
>> header DA
>> >     > field.  Seems a bit odd though.
>> >
>> > Yes, that's what we mean.
>>
>> Yes, as I said in my response I thought it was quite common. I'm
>> surprised to find little art to quote.
>>
>> > Once that ultimate destination is in the DA, then the RH3 is a dummy,
>> but one
>> > we are aren't supposed to remove.
>> >
>> >     >   I assume 6LR_n gets RUL's address from the last segment in RH3=
.
>> >
>> >     >   "Consumed" means segments left =3D=3D 0, I guess?  I suppose s=
hould
>> have
>> >     > picked up on this terminology when it was first used in Section =
2.
>> >     > Maybe clarify what it means in that section (2)?
>> >
>> > Yes.
>>
>>
>> Cool, we're good!
>>
>> Pascal
>> _______________________________________________
>> Roll mailing list
>> Roll@ietf.org
>> https://www.ietf.org/mailman/listinfo/roll
>>
>

--000000000000a0fb1605b8f3ba08
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Dear Erik,<div><br></div><div>version 44 recently publishe=
d [<a href=3D"https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrp=
linfo-44.txt">https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrp=
linfo-44.txt</a>]=C2=A0</div><div><br></div><div>1- Extends the definition =
of Flag Day:</div><div><br></div><div>Flag Day: A Flag Day is caused when a=
 network is reconfigured in a<br>way that nodes running the older configura=
tion can not communicate<br>with nodes running the new configuration.=C2=A0=
 For instance, when the<br>ARPANET changed from IP version 3 to IP version =
4 on January 1, 1983	<br>([RFC0801]).=C2=A0 In the context of this document=
, a switch from RPI	<br>Option Type (0x63) and Option Type (0x23) presents =
as a disruptive	<br>changeover.=C2=A0 In order to reduce the amount of time=
 for such a	<br>changeover, Section 4.1.3 provides a mechanism to allow nod=
es to be	<br>incrementally upgraded.<br></div><div><br></div><div>2-=C2=A0 =
Clarifies in Security Considerations the RH3 header usage</div><div><br></d=
iv><div><pre class=3D"gmail-newpage" style=3D"font-size:13.3333px;margin-to=
p:0px;margin-bottom:0px;break-before:page;color:rgb(0,0,0)">&quot;The RH3 h=
eader usage described here can be abused in equivalent ways.
   An external attacker may form a packet with an RH3 that is not fully
   consumed and encapsulate it to hide the RH3 from intermediate nodes
   and disguise the origin of traffic.  As such, the attacker&#39;s RH3
   header will not be seen by the network until it reaches the
   destination, which will decapsulate it.  As indicated in <a href=3D"http=
s://tools.ietf.org/html/rfc6554#section-4.2">section=C2=A04.2
   of [RFC6554]</a>, RPL routers are responsible for ensuring that an SRH i=
s
   only used between RPL routers.  As such, if there is an RH3 that is
   not fully consumed in the encapsulated packet, the node that
   decapsulates it MUST ensure that the outer packet was originated in
   the RPL domain and drop the packet otherwise.

   Also, as indicated by <a href=3D"https://tools.ietf.org/html/rfc6554#sec=
tion-2">section=C2=A02 of [RFC6554]</a>, RPL Border Routers &quot;do
   not allow datagrams carrying an SRH header to enter or exit a RPL
   routing domain&quot;.  This sentence must be understood as concerning no=
n-
   fully-consumed packets.  A consumed (inert) RH3 header could be
   present in a packet that flows from one LLN, crosses the Internet,
   and enters another LLN.  As per the discussion in this document, such
   headers do not need to be removed.  However, there is no case
   described in this document where an RH3 is inserted in a non-storing</pr=
e></div><div><pre class=3D"gmail-newpage" style=3D"font-size:13.3333px;marg=
in-top:0px;margin-bottom:0px;break-before:page;color:rgb(0,0,0)">   network=
 on traffic that is leaving the LLN, but this document should
   not preclude such a future innovation.

   In short, a packet that crosses the border of the RPL domain MAY
   carry and RH3, and if so, that RH3 MUST be fully consumed.&quot;</pre><p=
re class=3D"gmail-newpage" style=3D"font-size:13.3333px;margin-top:0px;marg=
in-bottom:0px;break-before:page;color:rgb(0,0,0)"><br></pre><pre class=3D"g=
mail-newpage" style=3D"font-size:13.3333px;margin-top:0px;margin-bottom:0px=
;break-before:page;color:rgb(0,0,0)">Please let us know if this address you=
r concern.</pre></div><div><br></div><div>Thank you very much in advance,</=
div><div><br></div><div>Ines, Pascal and Michael.=C2=A0</div></div><br><div=
 class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Jan 10=
, 2021 at 9:11 PM Ines  Robles &lt;<a href=3D"mailto:mariainesrobles@google=
mail.com">mariainesrobles@googlemail.com</a>&gt; wrote:<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px s=
olid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr">D=
ear Erik,<div><br>Thank you very much for your comments and suggestions, in=
 version 43 (diff)=C2=A0 [Diff:=C2=A0<a href=3D"https://www.ietf.org/rfcdif=
f?url2=3Ddraft-ietf-roll-useofrplinfo-43" target=3D"_blank">https://www.iet=
f.org/rfcdiff?url2=3Ddraft-ietf-roll-useofrplinfo-43</a>] we added a defini=
tion of consumed RH:<br></div><div><br></div><div>New text:=C2=A0<br>=C2=A0=
	 =C2=A0 Consumed: A Routing Header is consumed when the Segments Left fiel=
d	<br>=C2=A0	 =C2=A0 is zero, which indicates that the destination in the I=
Pv6 header is	<br>=C2=A0	 =C2=A0 the final destination of the packet and th=
at the hops in the Routing	<br>=C2=A0	 =C2=A0 Header have been traversed.<b=
r></div><div><br></div><div>Please let us know if this addresses your conce=
rn.</div><div><br></div><div>Thank you again,</div><div><br></div><div>Ines=
, Michael and Pascal.=C2=A0</div></div><br><div class=3D"gmail_quote"><div =
dir=3D"ltr" class=3D"gmail_attr">On Fri, Dec 18, 2020 at 5:42 PM Pascal Thu=
bert (pthubert) &lt;pthubert=3D<a href=3D"mailto:40cisco.com@dmarc.ietf.org=
" target=3D"_blank">40cisco.com@dmarc.ietf.org</a>&gt; wrote:<br></div><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left=
:1px solid rgb(204,204,204);padding-left:1ex">Hello Michael and all:<br>
<br>
&gt; -----Original Message-----<br>
&gt; From: Roll &lt;<a href=3D"mailto:roll-bounces@ietf.org" target=3D"_bla=
nk">roll-bounces@ietf.org</a>&gt; On Behalf Of Michael Richardson<br>
&gt; Sent: mercredi 16 d=C3=A9cembre 2020 19:02<br>
&gt; To: Erik Kline &lt;<a href=3D"mailto:ek.ietf@gmail.com" target=3D"_bla=
nk">ek.ietf@gmail.com</a>&gt;; Routing Over Low power and Lossy<br>
&gt; networks &lt;<a href=3D"mailto:roll@ietf.org" target=3D"_blank">roll@i=
etf.org</a>&gt;<br>
&gt; Subject: Re: [Roll] Erik Kline&#39;s Discuss on draft-ietf-roll-useofr=
plinfo-42: (with<br>
&gt; DISCUSS and COMMENT)<br>
&gt; <br>
&gt; <br>
&gt; Erik Kline via Datatracker &lt;<a href=3D"mailto:noreply@ietf.org" tar=
get=3D"_blank">noreply@ietf.org</a>&gt; wrote:<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0I might recommend instead referrin=
g to RFC 6554 S4.2 for how to<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; handle RH3&#39;s if the node is also a RPL-awa=
re router and say it MUST<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; drop the packet if segments left is non-zero a=
nd it&#39;s not a RPL-aware<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; router.<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0Related: I&#39;d also recommend:<b=
r>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0&quot;It should just be noted that=
 an incoming RH3 must be fully consumed,<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; or very carefully inspected.&quot;<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0-&gt;<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0&quot;It should just be noted that=
 an incoming RH3 MUST be fully<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; consumed.&quot;<br>
&gt; <br>
&gt; I think that Pascal and I, when we write the &quot;carefully inspected=
&quot;, is that we<br>
&gt; are imagining situations where the topology is a bit subtle.<br>
<br>
Yes, I expected policies that would validate the right of a Leaf to partici=
pate to a DODAG ,or to remap the information from the leaf (could be the RP=
I, the opaque field in the EARO, or the 6-tuple) into an RPI.<br>
<br>
&gt; Perhaps there are firewalls involved.<br>
&gt; Perhaps a device has multiple interfaces (many radios for instance) an=
d the<br>
&gt; extra segments address the other interfaces.<br>
&gt; <br>
&gt; Also draft-ietf-anima-autonomic-control-plane uses storing mode, so ne=
ver<br>
&gt; has<br>
&gt; RH3 headers, but imagine if it did.<br>
&gt; <br>
&gt; One could have a situation where the physical system containing one or=
 more<br>
&gt; layers of container was not the ultimate last hop from a logical point=
 of view.<br>
&gt; Rather than inner container was.=C2=A0 So, it&#39;s all the same stack=
 actually.=C2=A0 In that<br>
&gt; case, an optimization might be to process more than one segment in tha=
t<br>
&gt; stack.<br>
&gt; (The ANIMA ACP definitely supports having VMs and containers inside<br=
>
&gt; routers)<br>
&gt; <br>
&gt; So, I can live with your suggestion, because in my case above, we can =
argue<br>
&gt; that it&#39;s still &quot;consumed&quot;<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; * I&#39;m confused by the use of &quot;consume=
d&quot; here.=C2=A0 Is the final RH3 entry<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; RUL&#39;s address?=C2=A0 I guess you could say=
 RH penultimate hop &quot;consumes&quot; the<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; header because the ultimate destination addres=
s is put in the header DA<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; field.=C2=A0 Seems a bit odd though.<br>
&gt; <br>
&gt; Yes, that&#39;s what we mean.<br>
<br>
Yes, as I said in my response I thought it was quite common. I&#39;m surpri=
sed to find little art to quote.<br>
<br>
&gt; Once that ultimate destination is in the DA, then the RH3 is a dummy, =
but one<br>
&gt; we are aren&#39;t supposed to remove.<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0I assume 6LR_n gets RUL&#39;s addr=
ess from the last segment in RH3.<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt;=C2=A0 =C2=A0&quot;Consumed&quot; means segment=
s left =3D=3D 0, I guess?=C2=A0 I suppose should have<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; picked up on this terminology when it was firs=
t used in Section 2.<br>
&gt;=C2=A0 =C2=A0 =C2=A0&gt; Maybe clarify what it means in that section (2=
)?<br>
&gt; <br>
&gt; Yes.<br>
<br>
<br>
Cool, we&#39;re good!<br>
<br>
Pascal<br>
_______________________________________________<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>
</blockquote></div>

--000000000000a0fb1605b8f3ba08--


From nobody Fri Jan 15 10:18:24 2021
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Subject: [Roll] I-D Action: draft-ietf-roll-dao-projection-16.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           : Root initiated routing state in RPL
        Authors         : Pascal Thubert
                          Rahul Arvind Jadhav
                          Matthew Gillmore
	Filename        : draft-ietf-roll-dao-projection-16.txt
	Pages           : 50
	Date            : 2021-01-15

Abstract:
   This document extends RFC 6550 and RFC 6553 to enable a RPL Root to
   install and maintain Projected Routes within its DODAG, along a
   selected set of nodes that may or may not include self, for a chosen
   duration.  This potentially enables routes that are more optimized or
   resilient than those obtained with the classical distributed
   operation of RPL, either in terms of the size of a Routing Header or
   in terms of path length, which impacts both the latency and the
   packet delivery ratio.


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

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-roll-dao-projection-16.html

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-dao-projection-16


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 Tue Jan 19 08:31:30 2021
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Subject: [Roll] roll - New Meeting Session Request for IETF 110
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A new meeting session request has just been submitted by Ines Robles, a Chair of the roll working group.


---------------------------------------------------------
Working Group Name: Routing Over Low power and Lossy networks
Area Name: Routing Area
Session Requester: Ines Robles


Number of Sessions: 1
Length of Session(s):  1 Hour
Number of Attendees: 25
Conflicts to Avoid: 
 Chair Conflict: anima manet cellar asdf 6tisch core ace
 Technology Overlap: rtgarea 6lo 6man lwig cbor t2trg
 Key Participant Conflict: detnet rtgwg intarea lpwan





People who must be present:
  Michael Richardson
  Dominique Barthel
  Alvaro Retana
  Ines Robles

Resources Requested:

Special Requests:
  Additional key participant conflict: paw - that could not be added in the previous list
---------------------------------------------------------



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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Tue, 19 Jan 2021 19:10:20 +0200
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--000000000000ffb46005b943ebd4
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Dear all,

Please find below the link to the agenda for the next week interim meeting:

https://datatracker.ietf.org/meeting/interim-2021-roll-01/session/roll

Presenters please upload your slides by 25th January or send it to us in
pdf format

Comments welcome,

Thank you,

Ines and Dominique

On Tue, Jan 12, 2021 at 7:31 PM Ines Robles <mariainesrobles@googlemail.com>
wrote:

> Dear all,
>
> Thank you for filling the doodle, the selected date and time are as
> follows:
>
> Date:  Jan 29, 2021
>
> Time:  9:30 am Eastern Time = 2:30 pm UTC = 3:30 pm CET
>
> Agenda: Please let us know the topic that you would like to present, and
> the duration of the requested-slot by *22th January*
>
> Webex:
> Notice that the webex opens 15 min earlier in case that you want to test
> and it stays open 45 min after the meeting in case that people want to
> discuss with the chairs.
>
>  IETF ROLL Interim Meeting January 2021
> Hosted by ROLL WG
>
> https://ietf.webex.com/ietf/j.php?MTID=m34b599e4c5ac49d9e4bc6128a4cc26e7
> Friday, Jan 29, 2021 9:15 am | 3 hours | (UTC-05:00) Eastern Time (US &
> Canada)
> Meeting number: 178 378 7708
> Password: UUuqJR3C3C7
> a617699ad5544f75991a8738db89dcba
>
> Join by video system
> Dial 1783787708@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)
> Access code: 178 378 7708
>
> Thank you very much in advance,
> Ines and Dominique.
>
> On Mon, Dec 21, 2020 at 5:50 PM Ines Robles <
> mariainesrobles@googlemail.com> wrote:
>
>> Dear all,
>>
>> Please find the link to the doodle in order to set up an interim meeting
>> at the end of January 2021.  Please fill it by 8th of January.
>>
>> https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=poll&utm_medium=link
>>
>>
>> Please also find the link to the minutes of the IETF109, comments welcome
>> by 3th January. Many many thanks to the minute takers :-)
>>
>> https://datatracker.ietf.org/doc/minutes-109-roll/
>>
>> Best wishes,
>>
>> Ines and Dominique.
>>
>>
>>
>>
>>

--000000000000ffb46005b943ebd4
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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear all,<br><div><br></div><div>Please f=
ind below the link to the agenda for the next week interim meeting:</div><d=
iv> =C2=A0=C2=A0<br></div><div><a href=3D"https://datatracker.ietf.org/meet=
ing/interim-2021-roll-01/session/roll">https://datatracker.ietf.org/meeting=
/interim-2021-roll-01/session/roll</a><br></div><div><br></div><div>Present=
ers please upload your slides by 25th January or send it to us in pdf forma=
t</div><div><br></div><div>Comments=C2=A0welcome,</div><div><br></div><div>=
Thank you,</div><div><br></div><div>Ines and Dominique</div></div><br><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Jan 12,=
 2021 at 7:31 PM Ines  Robles &lt;<a href=3D"mailto:mariainesrobles@googlem=
ail.com">mariainesrobles@googlemail.com</a>&gt; wrote:<br></div><blockquote=
 class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px so=
lid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Dear all,<br><div><=
br></div><div>Thank you for filling the doodle, the selected date and time =
are as follows:</div><div><br></div><div>Date:=C2=A0

Jan 29, 2021

</div><div><br></div><div>Time:=C2=A0

9:30 am Eastern Time =3D 2:30 pm UTC =3D 3:30 pm CET</div><div><br></div><d=
iv>Agenda: Please let us know the topic that you would like to present, and=
 the duration of the requested-slot by <b>22th January</b></div><div><b><br=
></b></div><div>Webex:=C2=A0</div><div>Notice that the webex opens 15 min e=
arlier in case that you want to test and it stays open 45 min after the mee=
ting in case that people want to discuss with the chairs.=C2=A0</div><div><=
br></div><div>=C2=A0IETF ROLL Interim Meeting January 2021<br>Hosted by ROL=
L WG<br><br><a href=3D"https://ietf.webex.com/ietf/j.php?MTID=3Dm34b599e4c5=
ac49d9e4bc6128a4cc26e7" target=3D"_blank">https://ietf.webex.com/ietf/j.php=
?MTID=3Dm34b599e4c5ac49d9e4bc6128a4cc26e7</a><br>Friday, Jan 29, 2021 9:15 =
am | 3 hours | (UTC-05:00) Eastern Time (US &amp; Canada)<br>Meeting number=
: 178 378 7708<br>Password: UUuqJR3C3C7<br>a617699ad5544f75991a8738db89dcba=
<br><br>Join by video system<br>Dial <a href=3D"mailto:1783787708@ietf.webe=
x.com" target=3D"_blank">1783787708@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>Access code: 178 378 7708=C2=A0=
=C2=A0<b><br></b></div><div><br></div><div>Thank you very much in advance,<=
/div><div>Ines and Dominique.=C2=A0</div></div><br><div class=3D"gmail_quot=
e"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Dec 21, 2020 at 5:50 PM In=
es  Robles &lt;<a href=3D"mailto:mariainesrobles@googlemail.com" target=3D"=
_blank">mariainesrobles@googlemail.com</a>&gt; wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Dear all,<div><br></=
div><div>Please find the link to the doodle in order to set up an interim m=
eeting at the end of January 2021.=C2=A0

Please fill it by 8th of January.</div><div><br></div><div><a href=3D"https=
://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dpoll&amp;utm_medium=3Dlink=
" target=3D"_blank">https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dp=
oll&amp;utm_medium=3Dlink</a><br></div><div><br></div><div></div><div><br><=
/div><div>Please also find the link to the minutes of the IETF109, comments=
 welcome by 3th January. Many many thanks to the minute takers :-)</div><di=
v><br></div><div><a href=3D"https://datatracker.ietf.org/doc/minutes-109-ro=
ll/" target=3D"_blank">https://datatracker.ietf.org/doc/minutes-109-roll/</=
a><br></div><div><br></div><div>Best wishes,</div><div><br></div><div>Ines =
and Dominique.</div><div><br></div><div><br></div><div><br></div><div><br><=
/div></div>
</blockquote></div>
</blockquote></div></div>

--000000000000ffb46005b943ebd4--


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Salut Pascal.

Sorry for the late feedback. For the sake of following-up, your
responses and I-D updates address my concerns.

Please consider the following few nits.

A missing coma and a typo in section 4.2.2:
OLD
=C2=A0=C2=A0 This is the reason why the support
=C2=A0=C2=A0 of [RFC8505] by the RUL, as opposed to only [RFC6775] is a
=C2=A0=C2=A0 prerequisite for this specification)/; this requirement is f=
ully
=C2=A0=C2=A0 explained in Section 5.1.
NEW
=C2=A0=C2=A0 This is the reason why the support
=C2=A0=C2=A0 of [RFC8505] by the RUL, as opposed to only [RFC6775], is a
=C2=A0=C2=A0 prerequisite for this specification; this requirement is ful=
ly
=C2=A0=C2=A0 explained in Section 5.1.

In section 11: s/the overusing that channel/overusing that channel/=C2=A0=
 [or
"the overuse of that channel"]

In Table 5 of section 12.6, the allocation for the [EFFICIENT-NPDAO]
work-in-progress should rather be referred to as "to be defined".

Thanks,

Julien


On 18/12/2020 15:11, Pascal Thubert (pthubert) wrote:
> Salut Julien:
>
> Many thanks for your review!
>
> I committed the changes that I understood in https://github.com/roll-wg=
/roll-unaware-leaves/commit/d029d605fe4dbfa2ff1c444210fa67f923b715e4
>
> For your convenience, I also published an update for you to visualize t=
he changes:
> Htmlized:       https://tools.ietf.org/html/draft-ietf-roll-unaware-lea=
ves-28
> Diff:           https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-roll-una=
ware-leaves-28
>
> Please let me know if there is more to be done.
>
> For the deep review discussion, please see below.
>
>> *Comments:*
>>
>> I am not an LLN expert, but I find the I-D convenient to read thanks t=
o the
>> appropriate (but numerous) references. I just feel that a few sections=
 deserve
>> some clarification to improve readability and that flag number selecti=
on
>> doesn't really follow the expected process.
> Cool, let's see how we can make things (even =F0=9F=98=89) better.
>
> =20
>> *Minor Issues:*
>>
>> - Sorry if ask questions on implicit contexts that are obvious to LLN =
people,
>> but I am confused in section 3 with that "6LR that acts as a border Ro=
uter for
>> external routes": does it advertise towards the RPL domain? Does it ta=
lk to a
>> peer 6LR that is also a RPL Router? Is that particular router necessar=
ily the RPL
>> Root?
> There were similar comments and I already made some changes:
> 1) added a picture that hopefully helps here
>
>          ------+---------
>                |          Internet
>                |
>             +-----+
>             |     | &lt;------------- 6LBR / RPL Root
>             +-----+                     ^
>                |                        |
>          o    o   o  o                  | RPL
>      o o   o  o   o  o     o    o       |
>     o  o o  o o    o   o  o   o  o      |  +
>     o   o      o     o   o   o    o     |
>    o  o   o  o   o  o    o    o  o      | 6LoWPAN ND
>       o  o  o  o        o   o           |
>      o       o            o    o        v
>    o      o     o <------------- 6LR / RPL Border router
>                                         ^
>                                         | 6LoWPAN ND only
>                                         v
>                 u <------------- 6LN / RPL-Unaware Leaf
>
>
> To clarify more I changed section 3 as follows:
> "
> 3.  RPL External Routes and Dataplane Artifacts
>
>    RPL was initially designed to build stub networks whereby the only
>    border router would be the RPL Root (typically collocated with the
>    6LBR) and all the nodes in the stub would be RPL-Aware.  [RFC6550]
>    has the provision of external routes with the External 'E' flag in
>    the Transit Information Option (TIO).  External Routes enable to
>    reach destinations that are outside the RPL domain and connected to
>    the RPL domain via RPL border routers that are not the route.
>    Section 4.1 of [USEofRPLinfo] provides a set of rules summarized
>    below that must be followed for routing packets from and to a
>    external destinations (targets in RPL parlance).  A RUL is a special=

>    case of external target that is also a host directly connected to th=
e
>    RPL domain.
> "
>
> Does that help?
>
>> - The text in section 6.2, as well as figures 3 and 4, use the F and P=
 flags as if
>> the bit numbers were defined, though their number is only "suggested" =
in the
>> IANA section. If no early allocation process happened, it is inappropr=
iate to
>> assume the to-be-allocated bit number in the body of the document.
> At this stage, we already made a pass with Amanda Baber (IANA).=20
> A change would be pure form to be undone by the RFC editor.
>
>> - Section 6.3 reduces an 8-bit field to a 6 bit value. It would be wor=
th
>> mentioning that it sounds reasonable because the associated registry r=
elies
>> on standards action for registration and only values up to 10 are curr=
ently
>> allocated.
> Good point; done.
>
>> Furthermore, is there an update of that 6-bit space split to map the p=
revious
>> ranges? If the answer lies in the IANA section, then a few words would=
 be
>> welcome in section 6.
> A=C3=AFe, I do not understand the question. We used to map 1 to 1 the N=
D status to RPL status, but after a discussion with Alvaro we found that =
embedding was better.
>
>
>> *Nits:*
>> ------
>> Overall
>> ---
>> - RPL-[An]aware, RAL and RUL are preceded most of the times by "a" [OK=
 if
>> pronounced "riple", "ral", "rul"], but sometimes by "an" ["are
>> pi..."]: please pick one and be consistent.
> Done. We say a RPL, a RUL, a RAL, and an RPI.
>
>> - Any reason why "Host", "Hop" and "Router" are often written with a c=
apital
>> H/R?
> Hum I thought I cleaned that up for the most part. Doing another pass I=
 do not find much.=20
> I use the uppercase on Hop-by-Hop because that is what RFC 8200 does. S=
ame for 6LBR, 6LR, 6BBR, etc... else I used lowercase
>
>
>> - RFC 2119 keywords SHOULD be used more often for an IETF standard tra=
ck,
>> it sometimes feels that the text is written to circumvent them.
>> E.g., section 4.2.1 uses a wording based on "requires... if and only i=
f...";
>> section 4.3 describes a behavior without any normative keyword; sectio=
n 5.1
>> says "needs to", "is expected not to", "is suggested to"; etc.
> There's more here than meet the eye. Remember that we extend existing w=
ork in RPL, ND and IPv6. The reason for the wording is that the MUST or S=
HOULD is already written in an RFC and we do not want to paraphrase std t=
rack text here.
>
>> ------
>> Section 1.
>> ---
>> - The phrase "terminate packets" feels odd: is "terminate paths" inten=
ded?
> This is gone already
>
>> - s/expectations/requirements/
> Done
>
>> - The term "change" is used several times in the section summary thoug=
h it is
>> a bit loose: depending on the situation, "modify" or "extend"
> There's both; we actually are more specific in the sections. I found on=
e place where I did a replacement.
>
>
>> would be more specific (the former may impact existing implementations=
, the
>> latter does not).
> Yes this is when we use "update".=20
>
>> -=C2=A0 OLD
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Section 8 presents the changes made to =
[RFC6775] and [RFC8505];
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 The range of the ND status codes is red=
uced down to 64 values, and
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 the remaining bits in the original stat=
us field are now reserved.
>> =C2=A0 NEW
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Section 8 presents how [RFC6775] and [R=
FC8505] are used; the
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 range of the ND status codes is narrowe=
d down to 64 values, and
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 the unused bits are reserved.
> This was the goal when I wrote RFC 8505. I missed tiny things and had t=
o perform updates which are listed in " Enhancements to RFC 6775 and RFC8=
505". Because of that this document updates RFC 6775 and 8505. Sadly.
>
>> ------
>> Section 2.
>> ---
>> - s/Neighbor solicitation/Neighbor Solicitation/
> Done
>
>> - s/Information solicitation (DIS)/Information Solicitation (DIS)/
> Removed
>
>> ------
>> Section 3.
>> ---
>> - s/The RPL Root tunnels the packets/The RPL Root tunnels data packets=
/
>> [unless we're talking about control packet]
> Done
>
>> - s/forwards the original (inner) packet/forwards original (inner) pac=
kets/
> Done
>
>> ------
>> Section 4.
>> ---
>> - s/Neighbor solicitation (NS)/Neighbor Solicitation (NS)/
> Done
>
>> - s/6LN functionality in [RFC8505]/6LN functionality from [RFC8505]/
> Done though unconvinced. Let's see what the RFC editor ends up doing.
>
>> - Section 4.2.3 summarizes the main use case of the ROVR though its us=
e here
>> is a bit different: why not focus the paragraph on the latest sentence=
 and
>> bring a correct topic balance into the section?
> This section describes RFC 8505. It hints about how we use it in the re=
st of the spec but that's not the main goal.=20
>
>
>> ------
>> Section 5.
>> ---
>> - s/with a CIO/with a 6CIO/
> Done
>
>> - s/the Root terminates the IP-in-IP tunnel at the parent 6LR/the IP-i=
n-IP
>> tunnel from the Root terminates at the parent 6LR/
> Done
>
>> ------
>> Section 6.
>> ---
>> - s/between the 6LR and the RPL Root/between the RPL Root and the 6LR/=

> In both directions in fact
>
>> - s/encodes it in one of these reserved flags of the RPL DODAG configu=
ration
>> option/allocates a new one in the RPL DODAG configuration option/
> That sentence was reworded since -23. But the allocation game is for IA=
NA section. Arguably  what matters to the implementer is the bit position=
=2E
>
>> - s/values zero (0) to six (6)/values from zero (0) to six (6)/
> Done
>
>> ------
>> Section 7.
>> ---
>> - The section title should point to the draft title ("Efficient Route
>> Invalidation") rather than the draft name which will be replaced by an=
 RFC
>> number at publication time.
> Point is, both drafts will publish together and this is to help the edi=
tor to the replacements.
>
>> - s/hop by hop/hop-by-hop/
> Done
>
>> ------
>> Section 8.
>> ---
>> - Spacing inconsistency on the section title.
> Fixed
>
>> ------
>> Section 9.
>> ---
>> - In section 9.2.2, the capital T is missing on "the" for steps 4 and =
5.
> Fixed
>
>> - s/Lifetime. e.g./Lifetime. E.g./
> Fixed
>
>> - s/6LoWPAN ND related reasons/6LoWPAN ND-related reasons/
> Fixed
>
>> - s/An error injecting the route/An error when injecting the route/
> Not sure; since several native speakers reviewed it I'd rather leave th=
is as is
>
>> - In section 9.2.3, the capital T is missing on "the" for steps 2 and =
3.
> Fixed
>
>> ------
>> Section 11.
>> ---
>> - s/supporting th extension/supporting the extension/
> Fixed
>
>> ------
>> Section 12.
>> ---
>> - s/doesn't/does not/
> Fixed
>
>> ------
>>
>>
>> Regards,
>>
>> Julien
>>



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From nobody Fri Jan 22 04:43:07 2021
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Subject: [Roll] I-D Action: draft-ietf-roll-unaware-leaves-30.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-30.txt
	Pages           : 43
	Date            : 2021-01-22

Abstract:
   This specification updates RFC6550, RFC6775, and RFC8505.  It
   provides a mechanism for a host that implements a routing-agnostic
   interface based on 6LoWPAN Neighbor Discovery to obtain reachability
   services across a network that leverages RFC6550 for its routing
   operations.


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

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-roll-unaware-leaves-30.html

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-roll-unaware-leaves-30


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: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: "julien.meuric@orange.com" <julien.meuric@orange.com>
CC: "rtg-ads@ietf.org" <rtg-ads@ietf.org>, "rtg-dir@ietf.org" <rtg-dir@ietf.org>, "roll@ietf.org" <roll@ietf.org>, "draft-ietf-roll-unaware-leaves@ietf.org" <draft-ietf-roll-unaware-leaves@ietf.org>
Thread-Topic: RtgDir Review: draft-ietf-roll-unaware-leaves-23
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Date: Fri, 22 Jan 2021 12:46:24 +0000
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Subject: Re: [Roll] RtgDir Review: draft-ietf-roll-unaware-leaves-23
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Subject: Re: [Roll] AD Review of draft-ietf-roll-aodv-rpl-08
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On December 27, 2020 at 2:24:27 PM, Charlie Perkins wrote:


Charlie:

Hi!

I'm ok with all your answers/changes. =C2=A0Just one response below (which
doesn't require a change). =C2=A0I look forward to the updated document.

Take care!

Alvaro.




> > 446 Rsv
> > 447 MUST be initialized to zero and ignored upon reception.
> >
> > [major] Do you expect these bits to be assigned by IANA in the future?
>
> No, but a future specification could modify the operation. Do we need to
> say that?

No. =C2=A0I personally prefer if the registries are set up then the fields
are defined, but that is just me. =C2=A0Not necessary.


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Subject: [Roll] Reviews request for draft-ietf-roll-enrollment-priority
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--00000000000072ec7005b9900ee7
Content-Type: text/plain; charset="UTF-8"

Dear all,

We are looking reviews for this document:

https://datatracker.ietf.org/doc/draft-ietf-roll-enrollment-priority/

Please let us know if you are willing to help us with that.

Thank you very much in advance,

Ines and Dominique

--00000000000072ec7005b9900ee7
Content-Type: text/html; charset="UTF-8"
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<div dir=3D"ltr">Dear all,<br><div><br></div><div>We are looking reviews fo=
r this document:</div><div><br></div><div><a href=3D"https://datatracker.ie=
tf.org/doc/draft-ietf-roll-enrollment-priority/" target=3D"_blank">https://=
datatracker.<span class=3D"gmail-il">ietf</span>.org/doc/<span class=3D"gma=
il-il">draft</span>-<span class=3D"gmail-il">ietf</span>-<span class=3D"gma=
il-il">roll</span>-<span class=3D"gmail-il">enrollment</span>-<span class=
=3D"gmail-il">priority</span>/</a><br></div><div><br></div><div>Please let =
us know if you are willing to help us with that.=C2=A0</div><div><br></div>=
<div>Thank you very much=C2=A0in advance,</div><div><br></div><div>Ines and=
 Dominique</div></div>

--00000000000072ec7005b9900ee7--


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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] Reviews request for draft-ietf-roll-enrollment-priority
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Subject: Re: [Roll] Reviews request for draft-ietf-roll-enrollment-priority
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: "draft-ietf-roll-enrollment-priority@ietf.org" <draft-ietf-roll-enrollment-priority@ietf.org>
CC: Routing Over Low power and Lossy networks <roll@ietf.org>
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From nobody Mon Jan 25 21:42:29 2021
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Subject: [Roll] Erik Kline's No Objection on draft-ietf-roll-useofrplinfo-44
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Erik Kline has entered the following ballot position for
draft-ietf-roll-useofrplinfo-44: No Objection

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email addresses included in the To and CC lines. (Feel free to cut this
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There are no remarks associated with this position.






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Date: Tue, 26 Jan 2021 07:58:33 -0800
Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/WtM8yZqzlLWP4zR8sEepUJOlqn8>
Subject: [Roll] Protocol Action: 'Using RPI Option Type, Routing Header for Source Routes and IPv6-in-IPv6 encapsulation in the RPL Data Plane' to Proposed Standard (draft-ietf-roll-useofrplinfo-44.txt)
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The IESG has approved the following document:
- 'Using RPI Option Type, Routing Header for Source Routes and IPv6-in-
   IPv6 encapsulation in the RPL Data Plane'
  (draft-ietf-roll-useofrplinfo-44.txt) as Proposed Standard

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

The IESG contact persons are Alvaro Retana, Martin Vigoureux and Deborah
Brungard.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-useofrplinfo/





Technical Summary

   This document provides a series of examples that align RFC6553 
   with the recent changes in processing described in RFC8200. In other 
   words, the examples are intended to be normative explanation of the 
   results of executing that language. 
   Existing deployed networks may experience a flag day as a result of 
   some of the suggested changes, and this document provides a way 
   to mitigate such an occurrence.

Working Group Summary

   There was clear consensus in the ROLL WG that this document was 
   needed.  The extensive subject, involving many details, has led to 
   lengthy discussions about terminology, and coverage of all cases.

   This document already went through IESG Evaluation, and -31 was 
   approved.   It was later removed from the RFC Editor's Queue for the 
   WG to address a couple of issues, mostly related to 
   draft-ietf-roll-unaware-leaves and MOP 7.  The WG was very involved 
   in the discussion.  The latest version (-42) went through a new IETF LC.

Document Quality

   The document is of special value to the the 6tisch WG.
   There are no known implementations by manufacturers, but 
   comments have been incorporated from people who needed to 
   address a subset of the  cases discussed in the document.
   The drafts ietf-anima-bootstrapping-keyinfra and 
   ietf-6tisch-dtsecurity-secure-join rely on the cases discussed 
   in this document.

Personnel

   Document Shepherd is Peter van der Stok
   Responsible Area Director is Alvaro Retana


From nobody Tue Jan 26 07:58:46 2021
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Cc: Ines Robles <mariainesrobles@googlemail.com>, The IESG <iesg@ietf.org>, aretana.ietf@gmail.com, draft-ietf-roll-turnon-rfc8138@ietf.org, mariainesrobles@googlemail.com, rfc-editor@rfc-editor.org, roll-chairs@ietf.org, roll@ietf.org
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Date: Tue, 26 Jan 2021 07:58:34 -0800
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Subject: [Roll] Protocol Action: 'A RPL DODAG Configuration Option for the 6LoWPAN Routing Header' to Proposed Standard (draft-ietf-roll-turnon-rfc8138-18.txt)
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The IESG has approved the following document:
- 'A RPL DODAG Configuration Option for the 6LoWPAN Routing Header'
  (draft-ietf-roll-turnon-rfc8138-18.txt) as Proposed Standard

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

The IESG contact persons are Alvaro Retana, Martin Vigoureux and Deborah
Brungard.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-turnon-rfc8138/





Technical Summary

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

Working Group Summary

   The process through the WG was uneventful.  The single objection argued
   that this was not the right mechanism, but no alternative was proposed.

Document Quality

   There are no implementations of this extension.  It is an important component 
   to enable the deployment of RFC8138.

Personnel

   Document Shepherd: Ines Robles
   Responsible Area Director: Alvaro Retana


From nobody Tue Jan 26 07:59:51 2021
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Cc: JADHAV Rahul <rahul.ietf@gmail.com>, The IESG <iesg@ietf.org>, aretana.ietf@gmail.com, draft-ietf-roll-unaware-leaves@ietf.org, rahul.ietf@gmail.com, rfc-editor@rfc-editor.org, roll-chairs@ietf.org, roll@ietf.org
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Date: Tue, 26 Jan 2021 07:59:43 -0800
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Subject: [Roll] Protocol Action: 'Routing for RPL Leaves' to Proposed Standard (draft-ietf-roll-unaware-leaves-30.txt)
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The IESG has approved the following document:
- 'Routing for RPL Leaves'
  (draft-ietf-roll-unaware-leaves-30.txt) as Proposed Standard

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

The IESG contact persons are Alvaro Retana, Martin Vigoureux and Deborah
Brungard.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-unaware-leaves/





Technical Summary

    This document enables reachability for RPL unaware 6LoWPAN 
    hosts through a RPL network. 

Working Group Summary

   This work has been extensively discussed in the WG.  Discussion
   in the 6lo WG has algo taken place because of the changes to 
   6LoWPAN ND. 

Document Quality

   No implementations are known, but the document has had 
   extensive reviews by implementors from several vendors.

Personnel

  Document Shepherd: Rahul Jadhav
  Responsible Area Director: Alvaro Retana


RFC Editor Note

Please expedite this document's processing as the WiSUN Alliance is waiting for an RFC number to reference in their official documentation.  The IESG has approved this request.


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Subject: [Roll] WG Call for adoption draft-jadhav-roll-storing-rootack-02
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--000000000000fb3b8e05b9cfffe8
Content-Type: text/plain; charset="UTF-8"

Dear all,

This is a call for adoption for draft-jadhav-roll-storing-rootack-02,
please let us know your opinion by 5th February.

Thank you and best regards,

Ines and Dominique

--000000000000fb3b8e05b9cfffe8
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<div dir=3D"ltr">Dear all,<br><br>This is a call for adoption for=C2=A0draf=
t-jadhav-roll-storing-rootack-02, please let us know your opinion by 5th Fe=
bruary.<div><br>Thank you and best regards,</div><div><br>Ines and Dominiqu=
e<br></div></div>

--000000000000fb3b8e05b9cfffe8--


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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Fri, 29 Jan 2021 11:02:40 +0200
Message-ID: <CAP+sJUdAbaTwrUYzgnC9nQvN8+FZir=n9AQK1Rx1mXw1-P3dXA@mail.gmail.com>
To: roll <roll@ietf.org>
Content-Type: multipart/alternative; boundary="0000000000005ab20205ba0646d8"
Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/P2LAn10diBO8rn-M-yp5ae0xc6E>
Subject: Re: [Roll] January Interim Meeting - Material
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--0000000000005ab20205ba0646d8
Content-Type: text/plain; charset="UTF-8"

Dear all,

Please find below the complete set of slides for today's meeting.

https://datatracker.ietf.org/meeting/interim-2021-roll-01/materials/slides-interim-2021-roll-01-sessa-completeset-roll-interim-20210129-00.pdf

Comments welcome,

Best regards,

Ines and Dominique

On Tue, Jan 19, 2021 at 7:10 PM Ines Robles <mariainesrobles@googlemail.com>
wrote:

> Dear all,
>
> Please find below the link to the agenda for the next week interim meeting:
>
> https://datatracker.ietf.org/meeting/interim-2021-roll-01/session/roll
>
> Presenters please upload your slides by 25th January or send it to us in
> pdf format
>
> Comments welcome,
>
> Thank you,
>
> Ines and Dominique
>
> On Tue, Jan 12, 2021 at 7:31 PM Ines Robles <
> mariainesrobles@googlemail.com> wrote:
>
>> Dear all,
>>
>> Thank you for filling the doodle, the selected date and time are as
>> follows:
>>
>> Date:  Jan 29, 2021
>>
>> Time:  9:30 am Eastern Time = 2:30 pm UTC = 3:30 pm CET
>>
>> Agenda: Please let us know the topic that you would like to present, and
>> the duration of the requested-slot by *22th January*
>>
>> Webex:
>> Notice that the webex opens 15 min earlier in case that you want to test
>> and it stays open 45 min after the meeting in case that people want to
>> discuss with the chairs.
>>
>>  IETF ROLL Interim Meeting January 2021
>> Hosted by ROLL WG
>>
>> https://ietf.webex.com/ietf/j.php?MTID=m34b599e4c5ac49d9e4bc6128a4cc26e7
>> Friday, Jan 29, 2021 9:15 am | 3 hours | (UTC-05:00) Eastern Time (US &
>> Canada)
>> Meeting number: 178 378 7708
>> Password: UUuqJR3C3C7
>> a617699ad5544f75991a8738db89dcba
>>
>> Join by video system
>> Dial 1783787708@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)
>> Access code: 178 378 7708
>>
>> Thank you very much in advance,
>> Ines and Dominique.
>>
>> On Mon, Dec 21, 2020 at 5:50 PM Ines Robles <
>> mariainesrobles@googlemail.com> wrote:
>>
>>> Dear all,
>>>
>>> Please find the link to the doodle in order to set up an interim meeting
>>> at the end of January 2021.  Please fill it by 8th of January.
>>>
>>> https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=poll&utm_medium=link
>>>
>>>
>>> Please also find the link to the minutes of the IETF109, comments
>>> welcome by 3th January. Many many thanks to the minute takers :-)
>>>
>>> https://datatracker.ietf.org/doc/minutes-109-roll/
>>>
>>> Best wishes,
>>>
>>> Ines and Dominique.
>>>
>>>
>>>
>>>
>>>

--0000000000005ab20205ba0646d8
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div dir=3D"ltr">Dear all,<br></div><div dir=3D"ltr"><br><=
/div><div>Please find below the complete set of slides for today&#39;s meet=
ing.</div><div><br></div><div><a href=3D"https://datatracker.ietf.org/meeti=
ng/interim-2021-roll-01/materials/slides-interim-2021-roll-01-sessa-complet=
eset-roll-interim-20210129-00.pdf">https://datatracker.ietf.org/meeting/int=
erim-2021-roll-01/materials/slides-interim-2021-roll-01-sessa-completeset-r=
oll-interim-20210129-00.pdf</a><br></div><div><br></div><div>Comments welco=
me,</div><div><br></div><div>Best regards,</div><div><br></div><div>Ines an=
d Dominique</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"g=
mail_attr">On Tue, Jan 19, 2021 at 7:10 PM Ines  Robles &lt;<a href=3D"mail=
to:mariainesrobles@googlemail.com">mariainesrobles@googlemail.com</a>&gt; w=
rote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0p=
x 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=
=3D"ltr"><div dir=3D"ltr">Dear all,<br><div><br></div><div>Please find belo=
w the link to the agenda for the next week interim meeting:</div><div> =C2=
=A0=C2=A0<br></div><div><a href=3D"https://datatracker.ietf.org/meeting/int=
erim-2021-roll-01/session/roll" target=3D"_blank">https://datatracker.ietf.=
org/meeting/interim-2021-roll-01/session/roll</a><br></div><div><br></div><=
div>Presenters please upload your slides by 25th January or send it to us i=
n pdf format</div><div><br></div><div>Comments=C2=A0welcome,</div><div><br>=
</div><div>Thank you,</div><div><br></div><div>Ines and Dominique</div></di=
v><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On T=
ue, Jan 12, 2021 at 7:31 PM Ines  Robles &lt;<a href=3D"mailto:mariainesrob=
les@googlemail.com" target=3D"_blank">mariainesrobles@googlemail.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"><div di=
r=3D"ltr">Dear all,<br><div><br></div><div>Thank you for filling the doodle=
, the selected date and time are as follows:</div><div><br></div><div>Date:=
=C2=A0

Jan 29, 2021

</div><div><br></div><div>Time:=C2=A0

9:30 am Eastern Time =3D 2:30 pm UTC =3D 3:30 pm CET</div><div><br></div><d=
iv>Agenda: Please let us know the topic that you would like to present, and=
 the duration of the requested-slot by <b>22th January</b></div><div><b><br=
></b></div><div>Webex:=C2=A0</div><div>Notice that the webex opens 15 min e=
arlier in case that you want to test and it stays open 45 min after the mee=
ting in case that people want to discuss with the chairs.=C2=A0</div><div><=
br></div><div>=C2=A0IETF ROLL Interim Meeting January 2021<br>Hosted by ROL=
L WG<br><br><a href=3D"https://ietf.webex.com/ietf/j.php?MTID=3Dm34b599e4c5=
ac49d9e4bc6128a4cc26e7" target=3D"_blank">https://ietf.webex.com/ietf/j.php=
?MTID=3Dm34b599e4c5ac49d9e4bc6128a4cc26e7</a><br>Friday, Jan 29, 2021 9:15 =
am | 3 hours | (UTC-05:00) Eastern Time (US &amp; Canada)<br>Meeting number=
: 178 378 7708<br>Password: UUuqJR3C3C7<br>a617699ad5544f75991a8738db89dcba=
<br><br>Join by video system<br>Dial <a href=3D"mailto:1783787708@ietf.webe=
x.com" target=3D"_blank">1783787708@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>Access code: 178 378 7708=C2=A0=
=C2=A0<b><br></b></div><div><br></div><div>Thank you very much in advance,<=
/div><div>Ines and Dominique.=C2=A0</div></div><br><div class=3D"gmail_quot=
e"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Dec 21, 2020 at 5:50 PM In=
es  Robles &lt;<a href=3D"mailto:mariainesrobles@googlemail.com" target=3D"=
_blank">mariainesrobles@googlemail.com</a>&gt; wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Dear all,<div><br></=
div><div>Please find the link to the doodle in order to set up an interim m=
eeting at the end of January 2021.=C2=A0

Please fill it by 8th of January.</div><div><br></div><div><a href=3D"https=
://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dpoll&amp;utm_medium=3Dlink=
" target=3D"_blank">https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dp=
oll&amp;utm_medium=3Dlink</a><br></div><div><br></div><div></div><div><br><=
/div><div>Please also find the link to the minutes of the IETF109, comments=
 welcome by 3th January. Many many thanks to the minute takers :-)</div><di=
v><br></div><div><a href=3D"https://datatracker.ietf.org/doc/minutes-109-ro=
ll/" target=3D"_blank">https://datatracker.ietf.org/doc/minutes-109-roll/</=
a><br></div><div><br></div><div>Best wishes,</div><div><br></div><div>Ines =
and Dominique.</div><div><br></div><div><br></div><div><br></div><div><br><=
/div></div>
</blockquote></div>
</blockquote></div></div>
</blockquote></div></div>

--0000000000005ab20205ba0646d8--


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From: Ines  Robles <mariainesrobles@googlemail.com>
Date: Fri, 29 Jan 2021 15:41:18 +0200
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Subject: Re: [Roll] January Interim Meeting - Material
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--000000000000d71ba805ba0a2a3a
Content-Type: text/plain; charset="UTF-8"

Dear all,

The CodiMD link (Etherpad) can be found in the interim meeting materials
page [1], which is as follows:

https://codimd.ietf.org/notes-ietf-interim-2021-roll-01-roll

We kindly request your contribution as minute taker

Thank you,

Ines

[1] https://datatracker.ietf.org/meeting/interim-2021-roll-01/session/roll



On Fri, Jan 29, 2021 at 11:02 AM Ines Robles <mariainesrobles@googlemail.com>
wrote:

> Dear all,
>
> Please find below the complete set of slides for today's meeting.
>
>
> https://datatracker.ietf.org/meeting/interim-2021-roll-01/materials/slides-interim-2021-roll-01-sessa-completeset-roll-interim-20210129-00.pdf
>
> Comments welcome,
>
> Best regards,
>
> Ines and Dominique
>
> On Tue, Jan 19, 2021 at 7:10 PM Ines Robles <
> mariainesrobles@googlemail.com> wrote:
>
>> Dear all,
>>
>> Please find below the link to the agenda for the next week interim
>> meeting:
>>
>> https://datatracker.ietf.org/meeting/interim-2021-roll-01/session/roll
>>
>> Presenters please upload your slides by 25th January or send it to us in
>> pdf format
>>
>> Comments welcome,
>>
>> Thank you,
>>
>> Ines and Dominique
>>
>> On Tue, Jan 12, 2021 at 7:31 PM Ines Robles <
>> mariainesrobles@googlemail.com> wrote:
>>
>>> Dear all,
>>>
>>> Thank you for filling the doodle, the selected date and time are as
>>> follows:
>>>
>>> Date:  Jan 29, 2021
>>>
>>> Time:  9:30 am Eastern Time = 2:30 pm UTC = 3:30 pm CET
>>>
>>> Agenda: Please let us know the topic that you would like to present, and
>>> the duration of the requested-slot by *22th January*
>>>
>>> Webex:
>>> Notice that the webex opens 15 min earlier in case that you want to test
>>> and it stays open 45 min after the meeting in case that people want to
>>> discuss with the chairs.
>>>
>>>  IETF ROLL Interim Meeting January 2021
>>> Hosted by ROLL WG
>>>
>>> https://ietf.webex.com/ietf/j.php?MTID=m34b599e4c5ac49d9e4bc6128a4cc26e7
>>> Friday, Jan 29, 2021 9:15 am | 3 hours | (UTC-05:00) Eastern Time (US &
>>> Canada)
>>> Meeting number: 178 378 7708
>>> Password: UUuqJR3C3C7
>>> a617699ad5544f75991a8738db89dcba
>>>
>>> Join by video system
>>> Dial 1783787708@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)
>>> Access code: 178 378 7708
>>>
>>> Thank you very much in advance,
>>> Ines and Dominique.
>>>
>>> On Mon, Dec 21, 2020 at 5:50 PM Ines Robles <
>>> mariainesrobles@googlemail.com> wrote:
>>>
>>>> Dear all,
>>>>
>>>> Please find the link to the doodle in order to set up an interim
>>>> meeting at the end of January 2021.  Please fill it by 8th of January.
>>>>
>>>> https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=poll&utm_medium=link
>>>>
>>>>
>>>> Please also find the link to the minutes of the IETF109, comments
>>>> welcome by 3th January. Many many thanks to the minute takers :-)
>>>>
>>>> https://datatracker.ietf.org/doc/minutes-109-roll/
>>>>
>>>> Best wishes,
>>>>
>>>> Ines and Dominique.
>>>>
>>>>
>>>>
>>>>
>>>>

--000000000000d71ba805ba0a2a3a
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Dear all,<br><div><br></div><div>The CodiMD link (Etherpad=
) can be found in the interim meeting materials page [1], which is as follo=
ws:</div><div><br></div><div><a href=3D"https://codimd.ietf.org/notes-ietf-=
interim-2021-roll-01-roll">https://codimd.ietf.org/notes-ietf-interim-2021-=
roll-01-roll</a><br></div><div><br></div><div>We kindly request your contri=
bution as minute taker</div><div><br></div><div>Thank you,</div><div><br></=
div><div>Ines</div><div><br></div><div>[1]=C2=A0<a href=3D"https://datatrac=
ker.ietf.org/meeting/interim-2021-roll-01/session/roll">https://datatracker=
.ietf.org/meeting/interim-2021-roll-01/session/roll</a></div><div><br></div=
><div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Fri, Jan 29, 2021 at 11:02 AM Ines  Robles &lt;<a href=
=3D"mailto:mariainesrobles@googlemail.com">mariainesrobles@googlemail.com</=
a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv dir=3D"ltr"><div dir=3D"ltr">Dear all,<br></div><div dir=3D"ltr"><br></d=
iv><div>Please find below the complete set of slides for today&#39;s meetin=
g.</div><div><br></div><div><a href=3D"https://datatracker.ietf.org/meeting=
/interim-2021-roll-01/materials/slides-interim-2021-roll-01-sessa-completes=
et-roll-interim-20210129-00.pdf" target=3D"_blank">https://datatracker.ietf=
.org/meeting/interim-2021-roll-01/materials/slides-interim-2021-roll-01-ses=
sa-completeset-roll-interim-20210129-00.pdf</a><br></div><div><br></div><di=
v>Comments welcome,</div><div><br></div><div>Best regards,</div><div><br></=
div><div>Ines and Dominique</div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Tue, Jan 19, 2021 at 7:10 PM Ines  Robles &lt=
;<a href=3D"mailto:mariainesrobles@googlemail.com" target=3D"_blank">mariai=
nesrobles@googlemail.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"><div dir=3D"ltr"><div dir=3D"ltr">Dear all,<br><div=
><br></div><div>Please find below the link to the agenda for the next week =
interim meeting:</div><div> =C2=A0=C2=A0<br></div><div><a href=3D"https://d=
atatracker.ietf.org/meeting/interim-2021-roll-01/session/roll" target=3D"_b=
lank">https://datatracker.ietf.org/meeting/interim-2021-roll-01/session/rol=
l</a><br></div><div><br></div><div>Presenters please upload your slides by =
25th January or send it to us in pdf format</div><div><br></div><div>Commen=
ts=C2=A0welcome,</div><div><br></div><div>Thank you,</div><div><br></div><d=
iv>Ines and Dominique</div></div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Tue, Jan 12, 2021 at 7:31 PM Ines  Robles &lt=
;<a href=3D"mailto:mariainesrobles@googlemail.com" target=3D"_blank">mariai=
nesrobles@googlemail.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"><div dir=3D"ltr">Dear all,<br><div><br></div><div>T=
hank you for filling the doodle, the selected date and time are as follows:=
</div><div><br></div><div>Date:=C2=A0

Jan 29, 2021

</div><div><br></div><div>Time:=C2=A0

9:30 am Eastern Time =3D 2:30 pm UTC =3D 3:30 pm CET</div><div><br></div><d=
iv>Agenda: Please let us know the topic that you would like to present, and=
 the duration of the requested-slot by <b>22th January</b></div><div><b><br=
></b></div><div>Webex:=C2=A0</div><div>Notice that the webex opens 15 min e=
arlier in case that you want to test and it stays open 45 min after the mee=
ting in case that people want to discuss with the chairs.=C2=A0</div><div><=
br></div><div>=C2=A0IETF ROLL Interim Meeting January 2021<br>Hosted by ROL=
L WG<br><br><a href=3D"https://ietf.webex.com/ietf/j.php?MTID=3Dm34b599e4c5=
ac49d9e4bc6128a4cc26e7" target=3D"_blank">https://ietf.webex.com/ietf/j.php=
?MTID=3Dm34b599e4c5ac49d9e4bc6128a4cc26e7</a><br>Friday, Jan 29, 2021 9:15 =
am | 3 hours | (UTC-05:00) Eastern Time (US &amp; Canada)<br>Meeting number=
: 178 378 7708<br>Password: UUuqJR3C3C7<br>a617699ad5544f75991a8738db89dcba=
<br><br>Join by video system<br>Dial <a href=3D"mailto:1783787708@ietf.webe=
x.com" target=3D"_blank">1783787708@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>Access code: 178 378 7708=C2=A0=
=C2=A0<b><br></b></div><div><br></div><div>Thank you very much in advance,<=
/div><div>Ines and Dominique.=C2=A0</div></div><br><div class=3D"gmail_quot=
e"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Dec 21, 2020 at 5:50 PM In=
es  Robles &lt;<a href=3D"mailto:mariainesrobles@googlemail.com" target=3D"=
_blank">mariainesrobles@googlemail.com</a>&gt; wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Dear all,<div><br></=
div><div>Please find the link to the doodle in order to set up an interim m=
eeting at the end of January 2021.=C2=A0

Please fill it by 8th of January.</div><div><br></div><div><a href=3D"https=
://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dpoll&amp;utm_medium=3Dlink=
" target=3D"_blank">https://doodle.com/poll/936cn2y6uwfp3dia?utm_source=3Dp=
oll&amp;utm_medium=3Dlink</a><br></div><div><br></div><div></div><div><br><=
/div><div>Please also find the link to the minutes of the IETF109, comments=
 welcome by 3th January. Many many thanks to the minute takers :-)</div><di=
v><br></div><div><a href=3D"https://datatracker.ietf.org/doc/minutes-109-ro=
ll/" target=3D"_blank">https://datatracker.ietf.org/doc/minutes-109-roll/</=
a><br></div><div><br></div><div>Best wishes,</div><div><br></div><div>Ines =
and Dominique.</div><div><br></div><div><br></div><div><br></div><div><br><=
/div></div>
</blockquote></div>
</blockquote></div></div>
</blockquote></div></div>
</blockquote></div>

--000000000000d71ba805ba0a2a3a--


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Content-Transfer-Encoding: quoted-printable


French: enfant de m=C3=AAmes parents
spanish: Hermano
italian: fratello
german:  Geschwister

also:    Verwandte which is actually "relative"
which also suggests english: kin, relation


Personally, I like "hermano"  (hermana)

=2D-
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 I=C3=B8T consulti=
ng )
           Sandelman Software Works Inc, Ottawa and Worldwide





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