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From: Qin Wu <bill.wu@huawei.com>
To: Eliot Lear <lear@cisco.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
Thread-Topic: [OPSAWG] Declaring something to be a controller in MUD
Thread-Index: AdUv3HjWBDQcYX3NS2OJHA5W7PRpmQ==
Date: Mon, 1 Jul 2019 07:20:51 +0000
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Subject: Re: [OPSAWG] Declaring something to be a controller in MUD
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From: Qin Wu <bill.wu@huawei.com>
To: Warren Kumari <warren@kumari.net>
CC: Michael Richardson <mcr+ietf@sandelman.ca>, "opsawg@ietf.org" <opsawg@ietf.org>, OpsAWG Chairs <opsawg-chairs@ietf.org>
Thread-Topic: [OPSAWG] WG adoption poll for draft-wkumari-opsawg-sdi-04
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Date: Mon, 1 Jul 2019 07:47:03 +0000
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Subject: Re: [OPSAWG] WG adoption poll for draft-wkumari-opsawg-sdi-04
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Subject: Re: [OPSAWG] Declaring something to be a controller in MUD
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> On 1 Jul 2019, at 09:20, Qin Wu <bill.wu@huawei.com> wrote:
>=20
> =E5=8F=91=E4=BB=B6=E4=BA=BA: OPSAWG [mailto:opsawg-bounces@ietf.org =
<mailto:opsawg-bounces@ietf.org>] =E4=BB=A3=E8=A1=A8 Eliot Lear
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B46=E6=9C=8824=E6=97=A5=
 17:48
> =E6=94=B6=E4=BB=B6=E4=BA=BA: opsawg@ietf.org <mailto:opsawg@ietf.org>; =
mud@ietf.org <mailto:mud@ietf.org>
> =E4=B8=BB=E9=A2=98: [OPSAWG] Declaring something to be a controller in =
MUD
>=20
> Hi everyone,
>=20
> A few of us are just trying to put out an initial draft that addresses =
one gap in MUD (there are several).  In a MUD file one can say that one =
wants to access a controller in two ways: either "my-controller=E2=80=9D =
meaning a controller that services devices of a particular MUD URL or a =
=E2=80=9Ccontroller=E2=80=9D class that services devices based on a =
particular class name of controller.
>=20
> In either case, right now the administrator has to manually know and =
populate information, to say - some device 1.2.3.4 is a controller, =
either for MUD URL https://example.com/mud <https://example.com/mud> or =
a class http://example.com/mudclass1 <http://example.com/mudclass1>.  =
That can be laborious.  To assist, we are examining ways to have a =
controller declare itself as a candidate controller.
>=20
> [Qin]: Since MUD in RFC8520 has already specify DNS extension and DHCP =
extension, why not configure MUD manager with controller=E2=80=99s =
declaration? So the RESTFUL interface can be defined between NMS and =
controller, if my understanding is correct.
> I believe this is network initiated solution, you might have client =
initiated solution, but probably more complicated than network initiated =
solution.

Can you say a few more words?  I=E2=80=99m not sure I=E2=80=99m quite =
following you.

Eliot
>=20
>  That at least provides a hint to the administrator that this =
particular device is capable of serving in a particular role.
>=20
> To make that declaration, the device must-
> Form the declaration;
> Find the MUD manager; and
> Send it.
>=20
> Forming the declaration is easy: we can make this a YANG grouping and =
then place it in various spots.
>=20
> Finding the MUD manager depends on one question:
> Was the device built to be a controller or is it a general purpose =
device that has an app that is intended to be a controller?
>=20
> If the device was built to be a controller, we can simply cram the =
declaration into that devices own MUD file as an extension.  If the =
device is a general purpose computer, things get a bit more interesting. =
 In this case we have two choices:
>=20
> Either create a MUD file that points somewhere internally - this =
doesn=E2=80=99t seem very plug and play.
> Make the declaration directly to the MUD manager.
>=20
> I=E2=80=99m going to focus on the latter for the moment.  It is easy =
enough to create a RESTful interface for this purpose, but it requires a =
mechanism to discovered the MUD manager, which up until now has been an =
internal part of the network infrastructure.
>=20
> Let me call this out plainly: letting the app itself directly call the =
MUD manager requires that the MUD manager itself become exposed to the =
user infrastructure, which is a change.
>=20
> One possibility to address this is to incorporate the new RESTful =
endpoint into an ANIMA BRSKI join registrar, which may already be =
exposed.  But that requires that ANIMA BRSKI be in play, which it may =
not.
>=20
> My thinking is that we do this work in two stages.  First handle the =
easy case, which is the MUD file extension, and then figure out how to =
do the app version of this.
>=20
> Thoughts?
>=20
> Eliot


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class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On 1 Jul 2019, at 09:20, Qin Wu &lt;<a =
href=3D"mailto:bill.wu@huawei.com" class=3D"">bill.wu@huawei.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
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class=3D"Apple-converted-space">&nbsp;</span>OPSAWG [<a =
href=3D"mailto:opsawg-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;" =
class=3D"">mailto:opsawg-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span></span><b class=3D""><span =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">=E4=BB=A3=E8=A1=A8<span =
class=3D"Apple-converted-space">&nbsp;</span></span></b><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D"">Eliot Lear<br =
class=3D""></span><b class=3D""><span style=3D"font-size: 11pt; =
font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4<span lang=3D"EN-US" =
class=3D"">:</span></span></b><span lang=3D"EN-US" style=3D"font-size: =
11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>2019</span><span =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">=E5=B9=B4<span lang=3D"EN-US" =
class=3D"">6</span>=E6=9C=88<span lang=3D"EN-US" =
class=3D"">24</span>=E6=97=A5<span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>17:48<br class=3D""></span><b=
 class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">opsawg@ietf.org</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mud@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">mud@ietf.org</a><br class=3D""></span><b =
class=3D"">=E4=B8=BB=E9=A2=98<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>[OPSAWG] Declaring =
something to be a controller in MUD<o:p =
class=3D""></o:p></span></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">Hi everyone,<o:p =
class=3D""></o:p></span></div><div class=3D""><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">A few of =
us are just trying to put out an initial draft that addresses one gap in =
MUD (there are several). &nbsp;In a MUD file one can say that one wants =
to access a controller in two ways: either "my-controller=E2=80=9D =
meaning a controller that services devices of a particular MUD URL or a =
=E2=80=9Ccontroller=E2=80=9D class that services devices based on a =
particular class name of controller.<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">In =
either case, right now the administrator has to manually know and =
populate information, to say - some device 1.2.3.4 is a controller, =
either for MUD URL<span class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"https://example.com/mud" style=3D"color: purple; =
text-decoration: underline;" =
class=3D"">https://example.com/mud</a>&nbsp;or a class<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"http://example.com/mudclass1" style=3D"color: purple; =
text-decoration: underline;" class=3D"">http://example.com/mudclass1</a>. =
&nbsp;That can be laborious. &nbsp;To assist, we are examining ways to =
have a controller declare itself as a candidate controller.<span =
style=3D"color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""></o:p></span></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">[Qin]: Since =
MUD in RFC8520 has already specify DNS extension and DHCP extension, why =
not configure MUD manager with controller=E2=80=99s declaration? So the =
RESTFUL interface can be defined between NMS and controller, if my =
understanding is correct.<o:p class=3D""></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" style=3D"font-size: =
10.5pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">I believe this is network initiated solution, you might have =
client initiated solution, but probably more complicated than network =
initiated solution.</span></div></div></div></div></blockquote><div><br =
class=3D""></div>Can you say a few more words? &nbsp;I=E2=80=99m not =
sure I=E2=80=99m quite following you.</div><div><br =
class=3D""></div><div>Eliot<br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D""><div class=3D"WordSection1" style=3D"page: =
WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 16px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;"><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;That at least provides =
a hint to the administrator that this particular device is capable of =
serving in a particular role.<o:p class=3D""></o:p></span></div></div><div=
 class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">To make that declaration, the device must-<o:p =
class=3D""></o:p></span></div></div><div class=3D""><ul type=3D"disc" =
style=3D"margin-bottom: 0cm;" class=3D""><li class=3D"MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Form the =
declaration;<o:p class=3D""></o:p></span></li><li class=3D"MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Find the MUD =
manager; and<o:p class=3D""></o:p></span></li><li class=3D"MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Send it.<o:p =
class=3D""></o:p></span></li></ul><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">Forming =
the declaration is easy: we can make this a YANG grouping and then place =
it in various spots.<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">Finding the MUD manager depends on one question:<o:p =
class=3D""></o:p></span></div></div><div class=3D""><ul type=3D"disc" =
style=3D"margin-bottom: 0cm;" class=3D""><li class=3D"MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Was the device =
built to be a controller or is it a general purpose device that has an =
app that is intended to be a controller?<o:p =
class=3D""></o:p></span></li></ul><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">If the =
device was built to be a controller, we can simply cram the declaration =
into that devices own MUD file as an extension. &nbsp;If the device is a =
general purpose computer, things get a bit more interesting. &nbsp;In =
this case we have two choices:<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><ul =
type=3D"disc" style=3D"margin-bottom: 0cm;" class=3D""><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Either =
create a MUD file that points somewhere internally - this doesn=E2=80=99t =
seem very plug and play.<o:p class=3D""></o:p></span></li><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Make =
the declaration directly to the MUD manager.<o:p =
class=3D""></o:p></span></li></ul><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">I=E2=80=99=
m going to focus on the latter for the moment. &nbsp;It is easy enough =
to create a RESTful interface for this purpose, but it requires a =
mechanism to discovered the MUD manager, which up until now has been an =
internal part of the network infrastructure.<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">Let me =
call this out plainly: letting the app itself directly call the MUD =
manager requires that the MUD manager itself become exposed to the user =
infrastructure, which is a change.<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">One =
possibility to address this is to incorporate the new RESTful endpoint =
into an ANIMA BRSKI join registrar, which may already be exposed. =
&nbsp;But that requires that ANIMA BRSKI be in play, which it may =
not.<o:p class=3D""></o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">My =
thinking is that we do this work in two stages. &nbsp;First handle the =
easy case, which is the MUD file extension, and then figure out how to =
do the app version of this.<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">Thoughts?<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">Eliot</span></div></div></div></div></blockquote></div><br =
class=3D""></body></html>=

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To: "Wubo (lana)" <lana.wubo@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: New Version Notification for draft-sun-opsawg-sdwan-service-model-03.txt
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From: Qin Wu <bill.wu@huawei.com>
To: Eliot Lear <lear@cisco.com>
CC: "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
Thread-Topic: [OPSAWG] Declaring something to be a controller in MUD
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Date: Mon, 1 Jul 2019 08:23:03 +0000
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Subject: Re: [OPSAWG] Declaring something to be a controller in MUD
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Subject: Re: [OPSAWG] Declaring something to be a controller in MUD
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> On 1 Jul 2019, at 10:23, Qin Wu <bill.wu@huawei.com =
<mailto:bill.wu@huawei.com>> wrote:
>=20
> =E5=8F=91=E4=BB=B6=E4=BA=BA: Eliot Lear [mailto:lear@cisco.com =
<mailto:lear@cisco.com>]
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B47=E6=9C=881=E6=97=A5 =
15:52
> =E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <bill.wu@huawei.com =
<mailto:bill.wu@huawei.com>>
> =E6=8A=84=E9=80=81: opsawg@ietf.org <mailto:opsawg@ietf.org>; =
mud@ietf.org <mailto:mud@ietf.org>
> =E4=B8=BB=E9=A2=98: Re: [OPSAWG] Declaring something to be a =
controller in MUD
>=20
>=20
>=20
>=20
> On 1 Jul 2019, at 09:20, Qin Wu <bill.wu@huawei.com =
<mailto:bill.wu@huawei.com>> wrote:
>=20
> =E5=8F=91=E4=BB=B6=E4=BA=BA: OPSAWG [mailto:opsawg-bounces@ietf.org =
<mailto:opsawg-bounces@ietf.org>] =E4=BB=A3=E8=A1=A8 Eliot Lear
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B46=E6=9C=8824=E6=97=A5=
 17:48
> =E6=94=B6=E4=BB=B6=E4=BA=BA: opsawg@ietf.org <mailto:opsawg@ietf.org>; =
mud@ietf.org <mailto:mud@ietf.org>
> =E4=B8=BB=E9=A2=98: [OPSAWG] Declaring something to be a controller in =
MUD
>=20
> Hi everyone,
>=20
> A few of us are just trying to put out an initial draft that addresses =
one gap in MUD (there are several).  In a MUD file one can say that one =
wants to access a controller in two ways: either "my-controller=E2=80=9D =
meaning a controller that services devices of a particular MUD URL or a =
=E2=80=9Ccontroller=E2=80=9D class that services devices based on a =
particular class name of controller.
>=20
> In either case, right now the administrator has to manually know and =
populate information, to say - some device 1.2.3.4 is a controller, =
either for MUD URL https://example.com/mud <https://example.com/mud> or =
a class http://example.com/mudclass1 <http://example.com/mudclass1>.  =
That can be laborious.  To assist, we are examining ways to have a =
controller declare itself as a candidate controller.
>=20
> [Qin]: Since MUD in RFC8520 has already specify DNS extension and DHCP =
extension, why not configure MUD manager with controller=E2=80=99s =
declaration? So the RESTFUL interface can be defined between NMS and =
controller, if my understanding is correct.
> I believe this is network initiated solution, you might have client =
initiated solution, but probably more complicated than network initiated =
solution.
>=20
> Can you say a few more words?  I=E2=80=99m not sure I=E2=80=99m quite =
following you.
> [Qin]: What I am suggesting is NMS preconfigures the MUD manager with =
controller=E2=80=99s declaration information, during DHCP process or DNS =
process, the controller=E2=80=99s declaration can be returned
> To the router or switch between the thing and MUD manager or return to =
the thing, the router or the thing can access controller through =
controller delclartion.
>=20
> If the MUD manager also needs to be advertised to the thing, DHCP =
Discovery or DNS process can be leveraged. In this case, NMS needs to =
preconfigure DHCP server with MUD manager information.

I apologize, but I=E2=80=99m not quite following.  Let=E2=80=99s step =
through what I=E2=80=99m trying to solve, and then let=E2=80=99s step =
through your flow.


Device sends a MUD URL X that points to a MUD file that says to permit =
ip access to my-controller.

Now- how do we determine who =E2=80=9Cmy-controller=E2=80=9D for MUD URL =
X is?

Ways to do that:
Ask the administrator (pre-configuration)
Provide the administrator hints
Controller says who it can control (by MUD URLs, etc) or
Device says which controllers (by MUD URL) are good candidates
Other

If it=E2=80=99s the controller, then we can do a RESTful interface.  If =
it=E2=80=99s the device, we already have a communication path.  Nothing =
stops us from doing both.

So now insert your approach.  What steps would you take?

Eliot



>=20
> Eliot
>=20
>=20
>  That at least provides a hint to the administrator that this =
particular device is capable of serving in a particular role.
>=20
> To make that declaration, the device must-
> Form the declaration;
> Find the MUD manager; and
> Send it.
>=20
> Forming the declaration is easy: we can make this a YANG grouping and =
then place it in various spots.
>=20
> Finding the MUD manager depends on one question:
> Was the device built to be a controller or is it a general purpose =
device that has an app that is intended to be a controller?
>=20
> If the device was built to be a controller, we can simply cram the =
declaration into that devices own MUD file as an extension.  If the =
device is a general purpose computer, things get a bit more interesting. =
 In this case we have two choices:
>=20
> Either create a MUD file that points somewhere internally - this =
doesn=E2=80=99t seem very plug and play.
> Make the declaration directly to the MUD manager.
>=20
> I=E2=80=99m going to focus on the latter for the moment.  It is easy =
enough to create a RESTful interface for this purpose, but it requires a =
mechanism to discovered the MUD manager, which up until now has been an =
internal part of the network infrastructure.
>=20
> Let me call this out plainly: letting the app itself directly call the =
MUD manager requires that the MUD manager itself become exposed to the =
user infrastructure, which is a change.
>=20
> One possibility to address this is to incorporate the new RESTful =
endpoint into an ANIMA BRSKI join registrar, which may already be =
exposed.  But that requires that ANIMA BRSKI be in play, which it may =
not.
>=20
> My thinking is that we do this work in two stages.  First handle the =
easy case, which is the MUD file extension, and then figure out how to =
do the app version of this.
>=20
> Thoughts?
>=20
> Eliot
>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><meta=
 http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8" =
class=3D""><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: =
space; line-break: after-white-space;" class=3D""><br class=3D""><div =
class=3D""><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On 1 Jul 2019, at 10:23, Qin Wu &lt;<a =
href=3D"mailto:bill.wu@huawei.com" class=3D"">bill.wu@huawei.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; caret-color: rgb(0, =
0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><b =
class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=
=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA<sp=
an lang=3D"EN-US" class=3D"">:</span></span></b><span lang=3D"EN-US" =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>Eliot Lear [<a =
href=3D"mailto:lear@cisco.com" style=3D"color: purple; text-decoration: =
underline;" class=3D"">mailto:lear@cisco.com</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><br class=3D""></span><b =
class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=
=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=
=97=B4<span lang=3D"EN-US" class=3D"">:</span></span></b><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>2019</span><span =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">=E5=B9=B4<span lang=3D"EN-US" =
class=3D"">7</span>=E6=9C=88<span lang=3D"EN-US" =
class=3D"">1</span>=E6=97=A5<span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>15:52<br class=3D""></span><b=
 class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>Qin Wu &lt;<a =
href=3D"mailto:bill.wu@huawei.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">bill.wu@huawei.com</a>&gt;<br =
class=3D""></span><b class=3D"">=E6=8A=84=E9=80=81<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">opsawg@ietf.org</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mud@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">mud@ietf.org</a><br class=3D""></span><b =
class=3D"">=E4=B8=BB=E9=A2=98<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [OPSAWG] Declaring =
something to be a controller in MUD<o:p =
class=3D""></o:p></span></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><br class=3D""><br =
class=3D""><o:p class=3D""></o:p></span></div><blockquote =
style=3D"margin-top: 5pt; margin-bottom: 5pt;" class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">On 1 Jul 2019, at 09:20, Qin Wu &lt;<a =
href=3D"mailto:bill.wu@huawei.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">bill.wu@huawei.com</a>&gt; =
wrote:<o:p class=3D""></o:p></span></div></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div class=3D""><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><b class=3D""><span style=3D"font-size: =
11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US" =
class=3D"">:</span></span></b><span class=3D"apple-converted-space"><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D"">&nbsp;</span></span><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D"">OPSAWG [<a =
href=3D"mailto:opsawg-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">mailto:opsawg-bounces@ietf.org</span></a>]<span =
class=3D"apple-converted-space">&nbsp;</span></span><b class=3D""><span =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">=E4=BB=A3=E8=A1=A8<span =
class=3D"apple-converted-space"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></span></span></b><span lang=3D"EN-US" =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">Eliot Lear<br class=3D""></span><b =
class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=
=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=
=97=B4<span lang=3D"EN-US" class=3D"">:</span></span></b><span =
class=3D"apple-converted-space"><span lang=3D"EN-US" style=3D"font-size: =
11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">&nbsp;</span></span><span lang=3D"EN-US" style=3D"font-size: =
11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">2019</span><span style=3D"font-size: 11pt; font-family: =
=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=B9=B4<sp=
an lang=3D"EN-US" class=3D"">6</span>=E6=9C=88<span lang=3D"EN-US" =
class=3D"">24</span>=E6=97=A5<span class=3D"apple-converted-space"><span =
lang=3D"EN-US" class=3D"">&nbsp;</span></span><span lang=3D"EN-US" =
class=3D"">17:48<br class=3D""></span><b class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=
=BA<span lang=3D"EN-US" class=3D"">:</span></b><span =
class=3D"apple-converted-space"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></span><span lang=3D"EN-US" class=3D""><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">opsawg@ietf.org</span></a>;<span =
class=3D"apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mud@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">mud@ietf.org</span></a><br class=3D""></span><b =
class=3D"">=E4=B8=BB=E9=A2=98<span lang=3D"EN-US" =
class=3D"">:</span></b><span class=3D"apple-converted-space"><span =
lang=3D"EN-US" class=3D"">&nbsp;</span></span><span lang=3D"EN-US" =
class=3D"">[OPSAWG] Declaring something to be a controller in =
MUD</span></span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">Hi everyone,<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;<o:p=
 class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">A few of us are just trying to put out an initial draft that =
addresses one gap in MUD (there are several). &nbsp;In a MUD file one =
can say that one wants to access a controller in two ways: either =
"my-controller</span>=E2=80=9D<span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>meaning a controller that =
services devices of a particular MUD URL or a<span =
class=3D"Apple-converted-space">&nbsp;</span></span>=E2=80=9C<span =
lang=3D"EN-US" class=3D"">controller</span>=E2=80=9D<span lang=3D"EN-US" =
class=3D""><span class=3D"Apple-converted-space">&nbsp;</span>class that =
services devices based on a particular class name of controller.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">In either case, right now the administrator =
has to manually know and populate information, to say - some device =
1.2.3.4 is a controller, either for MUD URL<span =
class=3D"apple-converted-space">&nbsp;</span><a =
href=3D"https://example.com/mud" style=3D"color: purple; =
text-decoration: underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">https://example.com/mud</span></a>&nbsp;or a class<span =
class=3D"apple-converted-space">&nbsp;</span><a =
href=3D"http://example.com/mudclass1" style=3D"color: purple; =
text-decoration: underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">http://example.com/mudclass1</span></a>. &nbsp;That can be =
laborious. &nbsp;To assist, we are examining ways to have a controller =
declare itself as a candidate controller.<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">&nbsp;</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">[Qin]: Since =
MUD in RFC8520 has already specify DNS extension and DHCP extension, why =
not configure MUD manager with controller=E2=80=99s declaration? So the =
RESTFUL interface can be defined between NMS and controller, if my =
understanding is correct.</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">I believe this =
is network initiated solution, you might have client initiated solution, =
but probably more complicated than network initiated =
solution.</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div></div></div></blockquote><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">Can you =
say a few more words? &nbsp;I=E2=80=99m not sure I=E2=80=99m quite =
following you.<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
style=3D"color: rgb(31, 73, 125);" class=3D"">[Qin]: What I am =
suggesting is NMS preconfigures the MUD manager with controller=E2=80=99s =
declaration information, during DHCP process or DNS process, the =
controller=E2=80=99s declaration can be returned<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">To the router or switch =
between the thing and MUD manager or return to the thing, the router or =
the thing can access controller through controller delclartion.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">If the MUD =
manager also needs to be advertised to the thing, DHCP Discovery or DNS =
process can be leveraged. In this case, NMS needs to preconfigure DHCP =
server with MUD manager =
information.</span></div></div></div></div></blockquote><div =
class=3D""><br class=3D""></div>I apologize, but I=E2=80=99m not quite =
following. &nbsp;Let=E2=80=99s step through what I=E2=80=99m trying to =
solve, and then let=E2=80=99s step through your flow.</div><div =
class=3D""><br class=3D""></div><div class=3D""><br class=3D""></div><div =
class=3D"">Device sends a MUD URL X that points to a MUD file that says =
to permit ip access to my-controller.</div><div class=3D""><br =
class=3D""></div><div class=3D"">Now- how do we determine who =
=E2=80=9Cmy-controller=E2=80=9D for MUD URL X is?</div><div class=3D""><br=
 class=3D""></div><div class=3D"">Ways to do that:</div><div =
class=3D""><ul class=3D"MailOutline"><li class=3D"">Ask the =
administrator (pre-configuration)</li><li class=3D"">Provide the =
administrator hints</li><ul class=3D""><li class=3D"">Controller says =
who it can control (by MUD URLs, etc) or</li><li class=3D"">Device says =
which controllers (by MUD URL) are good candidates</li></ul></ul><ul =
class=3D"MailOutline"><li class=3D"">Other</li></ul><div class=3D""><br =
class=3D""></div><div class=3D"">If it=E2=80=99s the controller, then we =
can do a RESTful interface. &nbsp;If it=E2=80=99s the device, we already =
have a communication path. &nbsp;Nothing stops us from doing =
both.</div><div class=3D""><br class=3D""></div><div class=3D"">So now =
insert your approach. &nbsp;What steps would you take?</div><div =
class=3D""><br class=3D""></div><div class=3D"">Eliot</div><div =
class=3D""><br class=3D""></div><div class=3D""><br class=3D""></div><div =
class=3D""><br class=3D""></div></div><div class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D""><div class=3D"WordSection1" =
style=3D"page: WordSection1; caret-color: rgb(0, 0, 0); font-family: =
Helvetica; font-size: 16px; font-style: normal; font-variant-caps: =
normal; font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;"><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">Eliot<br =
class=3D""><br class=3D""><o:p class=3D""></o:p></span></div><blockquote =
style=3D"margin-top: 5pt; margin-bottom: 5pt;" class=3D""><div =
class=3D""><div class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">&nbsp;</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;That at least provides =
a hint to the administrator that this particular device is capable of =
serving in a particular role.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">To make that declaration, the device must-<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><ul =
type=3D"disc" style=3D"margin-bottom: 0cm; margin-top: 0cm;" =
class=3D""><li class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" =
class=3D"">Form the declaration;<o:p class=3D""></o:p></span></li><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Find =
the MUD manager; and<o:p class=3D""></o:p></span></li><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Send =
it.<o:p class=3D""></o:p></span></li></ul><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div></div><div=
 class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Forming the declaration is easy: we can make =
this a YANG grouping and then place it in various spots.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Finding the MUD manager depends on one =
question:<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><ul type=3D"disc" style=3D"margin-bottom: 0cm; margin-top: =
0cm;" class=3D""><li class=3D"MsoNormal" style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;"><span =
lang=3D"EN-US" class=3D"">Was the device built to be a controller or is =
it a general purpose device that has an app that is intended to be a =
controller?<o:p class=3D""></o:p></span></li></ul><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div></div><div=
 class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">If the device was built to be a controller, we =
can simply cram the declaration into that devices own MUD file as an =
extension. &nbsp;If the device is a general purpose computer, things get =
a bit more interesting. &nbsp;In this case we have two choices:<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><ul type=3D"disc" style=3D"margin-bottom: 0cm; margin-top: =
0cm;" class=3D""><li class=3D"MsoNormal" style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;"><span =
lang=3D"EN-US" class=3D"">Either create a MUD file that points somewhere =
internally - this doesn</span>=E2=80=99<span lang=3D"EN-US" class=3D"">t =
seem very plug and play.<o:p class=3D""></o:p></span></li><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Make =
the declaration directly to the MUD manager.<o:p =
class=3D""></o:p></span></li></ul><div class=3D""><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;<o:p=
 class=3D""></o:p></span></div></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">I</span>=E2=80=99<span lang=3D"EN-US" class=3D"">m going to =
focus on the latter for the moment. &nbsp;It is easy enough to create a =
RESTful interface for this purpose, but it requires a mechanism to =
discovered the MUD manager, which up until now has been an internal part =
of the network infrastructure.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Let me call this out plainly: letting the app =
itself directly call the MUD manager requires that the MUD manager =
itself become exposed to the user infrastructure, which is a change.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">One possibility to address this is to =
incorporate the new RESTful endpoint into an ANIMA BRSKI join registrar, =
which may already be exposed. &nbsp;But that requires that ANIMA BRSKI =
be in play, which it may not.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">My thinking is that we do this work in two =
stages. &nbsp;First handle the easy case, which is the MUD file =
extension, and then figure out how to do the app version of this.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Thoughts?<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Eliot<o:p =
class=3D""></o:p></span></div></div></div></div></blockquote></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div></div></blockquote></div><br =
class=3D""></div></body></html>=

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In-Reply-To: <B8F9A780D330094D99AF023C5877DABAA49BC8F3@nkgeml513-mbx.china.huawei.com>
Cc: "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
To: Qin Wu <bill.wu@huawei.com>
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Subject: Re: [OPSAWG] Declaring something to be a controller in MUD
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Qin and others:

Just to get the ball rolling, I=E2=80=99ve posted today =
draft-lear-opsawg-mud-controller-candidates-00.

I think this should help the discussion.

Eliot

> On 1 Jul 2019, at 10:23, Qin Wu <bill.wu@huawei.com> wrote:
>=20
> =E5=8F=91=E4=BB=B6=E4=BA=BA: Eliot Lear [mailto:lear@cisco.com =
<mailto:lear@cisco.com>]
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B47=E6=9C=881=E6=97=A5 =
15:52
> =E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <bill.wu@huawei.com =
<mailto:bill.wu@huawei.com>>
> =E6=8A=84=E9=80=81: opsawg@ietf.org <mailto:opsawg@ietf.org>; =
mud@ietf.org <mailto:mud@ietf.org>
> =E4=B8=BB=E9=A2=98: Re: [OPSAWG] Declaring something to be a =
controller in MUD
>=20
>=20
>=20
>=20
> On 1 Jul 2019, at 09:20, Qin Wu <bill.wu@huawei.com =
<mailto:bill.wu@huawei.com>> wrote:
>=20
> =E5=8F=91=E4=BB=B6=E4=BA=BA: OPSAWG [mailto:opsawg-bounces@ietf.org =
<mailto:opsawg-bounces@ietf.org>] =E4=BB=A3=E8=A1=A8 Eliot Lear
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B46=E6=9C=8824=E6=97=A5=
 17:48
> =E6=94=B6=E4=BB=B6=E4=BA=BA: opsawg@ietf.org <mailto:opsawg@ietf.org>; =
mud@ietf.org <mailto:mud@ietf.org>
> =E4=B8=BB=E9=A2=98: [OPSAWG] Declaring something to be a controller in =
MUD
>=20
> Hi everyone,
>=20
> A few of us are just trying to put out an initial draft that addresses =
one gap in MUD (there are several).  In a MUD file one can say that one =
wants to access a controller in two ways: either "my-controller=E2=80=9D =
meaning a controller that services devices of a particular MUD URL or a =
=E2=80=9Ccontroller=E2=80=9D class that services devices based on a =
particular class name of controller.
>=20
> In either case, right now the administrator has to manually know and =
populate information, to say - some device 1.2.3.4 is a controller, =
either for MUD URL https://example.com/mud <https://example.com/mud> or =
a class http://example.com/mudclass1 <http://example.com/mudclass1>.  =
That can be laborious.  To assist, we are examining ways to have a =
controller declare itself as a candidate controller.
>=20
> [Qin]: Since MUD in RFC8520 has already specify DNS extension and DHCP =
extension, why not configure MUD manager with controller=E2=80=99s =
declaration? So the RESTFUL interface can be defined between NMS and =
controller, if my understanding is correct.
> I believe this is network initiated solution, you might have client =
initiated solution, but probably more complicated than network initiated =
solution.
>=20
> Can you say a few more words?  I=E2=80=99m not sure I=E2=80=99m quite =
following you.
> [Qin]: What I am suggesting is NMS preconfigures the MUD manager with =
controller=E2=80=99s declaration information, during DHCP process or DNS =
process, the controller=E2=80=99s declaration can be returned
> To the router or switch between the thing and MUD manager or return to =
the thing, the router or the thing can access controller through =
controller delclartion.
>=20
> If the MUD manager also needs to be advertised to the thing, DHCP =
Discovery or DNS process can be leveraged. In this case, NMS needs to =
preconfigure DHCP server with MUD manager information.
>=20
> Eliot
>=20
>=20
>  That at least provides a hint to the administrator that this =
particular device is capable of serving in a particular role.
>=20
> To make that declaration, the device must-
> Form the declaration;
> Find the MUD manager; and
> Send it.
>=20
> Forming the declaration is easy: we can make this a YANG grouping and =
then place it in various spots.
>=20
> Finding the MUD manager depends on one question:
> Was the device built to be a controller or is it a general purpose =
device that has an app that is intended to be a controller?
>=20
> If the device was built to be a controller, we can simply cram the =
declaration into that devices own MUD file as an extension.  If the =
device is a general purpose computer, things get a bit more interesting. =
 In this case we have two choices:
>=20
> Either create a MUD file that points somewhere internally - this =
doesn=E2=80=99t seem very plug and play.
> Make the declaration directly to the MUD manager.
>=20
> I=E2=80=99m going to focus on the latter for the moment.  It is easy =
enough to create a RESTful interface for this purpose, but it requires a =
mechanism to discovered the MUD manager, which up until now has been an =
internal part of the network infrastructure.
>=20
> Let me call this out plainly: letting the app itself directly call the =
MUD manager requires that the MUD manager itself become exposed to the =
user infrastructure, which is a change.
>=20
> One possibility to address this is to incorporate the new RESTful =
endpoint into an ANIMA BRSKI join registrar, which may already be =
exposed.  But that requires that ANIMA BRSKI be in play, which it may =
not.
>=20
> My thinking is that we do this work in two stages.  First handle the =
easy case, which is the MUD file extension, and then figure out how to =
do the app version of this.
>=20
> Thoughts?
>=20
> Eliot
>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Qin =
and others:<div class=3D""><br class=3D""></div><div class=3D"">Just to =
get the ball rolling, I=E2=80=99ve posted today&nbsp;<span =
style=3D"font-family: Menlo; font-size: 14px;" =
class=3D"">draft-lear-opsawg-mud-controller-candidates-00.</span></div><di=
v class=3D""><font face=3D"Menlo" class=3D""><span style=3D"font-size: =
14px;" class=3D""><br class=3D""></span></font></div><div class=3D"">I =
think this should help the discussion.</div><div class=3D""><br =
class=3D""></div><div class=3D"">Eliot<br class=3D""><div =
class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On 1 Jul 2019, at 10:23, Qin Wu &lt;<a =
href=3D"mailto:bill.wu@huawei.com" class=3D"">bill.wu@huawei.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; caret-color: rgb(0, =
0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><b =
class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=
=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA<sp=
an lang=3D"EN-US" class=3D"">:</span></span></b><span lang=3D"EN-US" =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>Eliot Lear [<a =
href=3D"mailto:lear@cisco.com" style=3D"color: purple; text-decoration: =
underline;" class=3D"">mailto:lear@cisco.com</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><br class=3D""></span><b =
class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=
=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=
=97=B4<span lang=3D"EN-US" class=3D"">:</span></span></b><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>2019</span><span =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">=E5=B9=B4<span lang=3D"EN-US" =
class=3D"">7</span>=E6=9C=88<span lang=3D"EN-US" =
class=3D"">1</span>=E6=97=A5<span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>15:52<br class=3D""></span><b=
 class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>Qin Wu &lt;<a =
href=3D"mailto:bill.wu@huawei.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">bill.wu@huawei.com</a>&gt;<br =
class=3D""></span><b class=3D"">=E6=8A=84=E9=80=81<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">opsawg@ietf.org</a>;<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mud@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">mud@ietf.org</a><br class=3D""></span><b =
class=3D"">=E4=B8=BB=E9=A2=98<span lang=3D"EN-US" =
class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [OPSAWG] Declaring =
something to be a controller in MUD<o:p =
class=3D""></o:p></span></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><br class=3D""><br =
class=3D""><o:p class=3D""></o:p></span></div><blockquote =
style=3D"margin-top: 5pt; margin-bottom: 5pt;" class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">On 1 Jul 2019, at 09:20, Qin Wu &lt;<a =
href=3D"mailto:bill.wu@huawei.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">bill.wu@huawei.com</a>&gt; =
wrote:<o:p class=3D""></o:p></span></div></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div class=3D""><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><b class=3D""><span style=3D"font-size: =
11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US" =
class=3D"">:</span></span></b><span class=3D"apple-converted-space"><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D"">&nbsp;</span></span><span =
lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D"">OPSAWG [<a =
href=3D"mailto:opsawg-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">mailto:opsawg-bounces@ietf.org</span></a>]<span =
class=3D"apple-converted-space">&nbsp;</span></span><b class=3D""><span =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">=E4=BB=A3=E8=A1=A8<span =
class=3D"apple-converted-space"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></span></span></b><span lang=3D"EN-US" =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">Eliot Lear<br class=3D""></span><b =
class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=
=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=
=97=B4<span lang=3D"EN-US" class=3D"">:</span></span></b><span =
class=3D"apple-converted-space"><span lang=3D"EN-US" style=3D"font-size: =
11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">&nbsp;</span></span><span lang=3D"EN-US" style=3D"font-size: =
11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">2019</span><span style=3D"font-size: 11pt; font-family: =
=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=B9=B4<sp=
an lang=3D"EN-US" class=3D"">6</span>=E6=9C=88<span lang=3D"EN-US" =
class=3D"">24</span>=E6=97=A5<span class=3D"apple-converted-space"><span =
lang=3D"EN-US" class=3D"">&nbsp;</span></span><span lang=3D"EN-US" =
class=3D"">17:48<br class=3D""></span><b class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=
=BA<span lang=3D"EN-US" class=3D"">:</span></b><span =
class=3D"apple-converted-space"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></span><span lang=3D"EN-US" class=3D""><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">opsawg@ietf.org</span></a>;<span =
class=3D"apple-converted-space">&nbsp;</span><a =
href=3D"mailto:mud@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">mud@ietf.org</span></a><br class=3D""></span><b =
class=3D"">=E4=B8=BB=E9=A2=98<span lang=3D"EN-US" =
class=3D"">:</span></b><span class=3D"apple-converted-space"><span =
lang=3D"EN-US" class=3D"">&nbsp;</span></span><span lang=3D"EN-US" =
class=3D"">[OPSAWG] Declaring something to be a controller in =
MUD</span></span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">Hi everyone,<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;<o:p=
 class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">A few of us are just trying to put out an initial draft that =
addresses one gap in MUD (there are several). &nbsp;In a MUD file one =
can say that one wants to access a controller in two ways: either =
"my-controller</span>=E2=80=9D<span lang=3D"EN-US" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>meaning a controller that =
services devices of a particular MUD URL or a<span =
class=3D"Apple-converted-space">&nbsp;</span></span>=E2=80=9C<span =
lang=3D"EN-US" class=3D"">controller</span>=E2=80=9D<span lang=3D"EN-US" =
class=3D""><span class=3D"Apple-converted-space">&nbsp;</span>class that =
services devices based on a particular class name of controller.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">In either case, right now the administrator =
has to manually know and populate information, to say - some device =
1.2.3.4 is a controller, either for MUD URL<span =
class=3D"apple-converted-space">&nbsp;</span><a =
href=3D"https://example.com/mud" style=3D"color: purple; =
text-decoration: underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">https://example.com/mud</span></a>&nbsp;or a class<span =
class=3D"apple-converted-space">&nbsp;</span><a =
href=3D"http://example.com/mudclass1" style=3D"color: purple; =
text-decoration: underline;" class=3D""><span style=3D"color: purple;" =
class=3D"">http://example.com/mudclass1</span></a>. &nbsp;That can be =
laborious. &nbsp;To assist, we are examining ways to have a controller =
declare itself as a candidate controller.<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">&nbsp;</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">[Qin]: Since =
MUD in RFC8520 has already specify DNS extension and DHCP extension, why =
not configure MUD manager with controller=E2=80=99s declaration? So the =
RESTFUL interface can be defined between NMS and controller, if my =
understanding is correct.</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">I believe this =
is network initiated solution, you might have client initiated solution, =
but probably more complicated than network initiated =
solution.</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div></div></div></blockquote><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">Can you =
say a few more words? &nbsp;I=E2=80=99m not sure I=E2=80=99m quite =
following you.<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
style=3D"color: rgb(31, 73, 125);" class=3D"">[Qin]: What I am =
suggesting is NMS preconfigures the MUD manager with controller=E2=80=99s =
declaration information, during DHCP process or DNS process, the =
controller=E2=80=99s declaration can be returned<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">To the router or switch =
between the thing and MUD manager or return to the thing, the router or =
the thing can access controller through controller delclartion.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">If the MUD =
manager also needs to be advertised to the thing, DHCP Discovery or DNS =
process can be leveraged. In this case, NMS needs to preconfigure DHCP =
server with MUD manager information.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">Eliot<br =
class=3D""><br class=3D""><o:p class=3D""></o:p></span></div><blockquote =
style=3D"margin-top: 5pt; margin-bottom: 5pt;" class=3D""><div =
class=3D""><div class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">&nbsp;</span><span lang=3D"EN-US" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;That at least provides =
a hint to the administrator that this particular device is capable of =
serving in a particular role.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">To make that declaration, the device must-<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><ul =
type=3D"disc" style=3D"margin-bottom: 0cm; margin-top: 0cm;" =
class=3D""><li class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" =
class=3D"">Form the declaration;<o:p class=3D""></o:p></span></li><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Find =
the MUD manager; and<o:p class=3D""></o:p></span></li><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Send =
it.<o:p class=3D""></o:p></span></li></ul><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div></div><div=
 class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Forming the declaration is easy: we can make =
this a YANG grouping and then place it in various spots.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Finding the MUD manager depends on one =
question:<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><ul type=3D"disc" style=3D"margin-bottom: 0cm; margin-top: =
0cm;" class=3D""><li class=3D"MsoNormal" style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;"><span =
lang=3D"EN-US" class=3D"">Was the device built to be a controller or is =
it a general purpose device that has an app that is intended to be a =
controller?<o:p class=3D""></o:p></span></li></ul><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div></div><div=
 class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">If the device was built to be a controller, we =
can simply cram the declaration into that devices own MUD file as an =
extension. &nbsp;If the device is a general purpose computer, things get =
a bit more interesting. &nbsp;In this case we have two choices:<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><ul type=3D"disc" style=3D"margin-bottom: 0cm; margin-top: =
0cm;" class=3D""><li class=3D"MsoNormal" style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;"><span =
lang=3D"EN-US" class=3D"">Either create a MUD file that points somewhere =
internally - this doesn</span>=E2=80=99<span lang=3D"EN-US" class=3D"">t =
seem very plug and play.<o:p class=3D""></o:p></span></li><li =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><span lang=3D"EN-US" class=3D"">Make =
the declaration directly to the MUD manager.<o:p =
class=3D""></o:p></span></li></ul><div class=3D""><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D"">&nbsp;<o:p=
 class=3D""></o:p></span></div></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">I</span>=E2=80=99<span lang=3D"EN-US" class=3D"">m going to =
focus on the latter for the moment. &nbsp;It is easy enough to create a =
RESTful interface for this purpose, but it requires a mechanism to =
discovered the MUD manager, which up until now has been an internal part =
of the network infrastructure.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Let me call this out plainly: letting the app =
itself directly call the MUD manager requires that the MUD manager =
itself become exposed to the user infrastructure, which is a change.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">One possibility to address this is to =
incorporate the new RESTful endpoint into an ANIMA BRSKI join registrar, =
which may already be exposed. &nbsp;But that requires that ANIMA BRSKI =
be in play, which it may not.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">My thinking is that we do this work in two =
stages. &nbsp;First handle the easy case, which is the MUD file =
extension, and then figure out how to do the app version of this.<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Thoughts?<o:p =
class=3D""></o:p></span></div></div></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" =
class=3D"">&nbsp;<o:p class=3D""></o:p></span></div></div></div><div =
class=3D""><div class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
lang=3D"EN-US" class=3D"">Eliot<o:p =
class=3D""></o:p></span></div></div></div></div></blockquote></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div></div></blockquote></div><br =
class=3D""></div></div></body></html>=

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From: "M. Ranganathan" <mranga@gmail.com>
Date: Mon, 1 Jul 2019 14:51:06 -0400
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To: Eliot Lear <lear@cisco.com>
Cc: Qin Wu <bill.wu@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
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Subject: Re: [OPSAWG] [Mud]  Declaring something to be a controller in MUD
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On Mon, Jul 1, 2019 at 6:26 AM Eliot Lear <lear@cisco.com> wrote:

> Qin and others:
>
> Just to get the ball rolling, I=E2=80=99ve posted today
> draft-lear-opsawg-mud-controller-candidates-00.
>
> I think this should help the discussion.
>
> Eliot
>

Hello Eliot,

In a similar vein to the question Qin is asking, I have a question (we
could discuss during the upcoming IETF side meeting if you don't have time
to respond now).

What is the essential difference between a device declaring itself to be a
"controller" for another class and the situation where the device (being
controlled) just uses the "model" abstraction in an ACE?

If a device with mud URL  https://toothbrush.nist.local/super1 is a
controller for device coffemaker.nist.local, then simply declare an ACE in
the coffeemaker MUD file, with a Model abstraction naming
toothbursh.nist.local :

       {
              "name": "man0-todev",
              "matches": {
                "ietf-mud:mud": {
              "model": "https://toothbrush.nist.local/super1"
                },
                "ipv4": {
                  "protocol": 17
                },
                "udp": {
                  "source-port": {
                    "operator": "eq",
                    "port": 8008
                  }
                }
              }

(similarly in the "frdev")


What is the difference (in behavior) between this and the new mechanism
proposed in the draft?

Thanks, Ranga


>
> On 1 Jul 2019, at 10:23, Qin Wu <bill.wu@huawei.com> wrote:
>
> *=E5=8F=91=E4=BB=B6=E4=BA=BA:* Eliot Lear [mailto:lear@cisco.com <lear@ci=
sco.com>]
> *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:* 2019=E5=B9=B47=E6=9C=881=E6=97=A5=
 15:52
> *=E6=94=B6=E4=BB=B6=E4=BA=BA:* Qin Wu <bill.wu@huawei.com>
> *=E6=8A=84=E9=80=81:* opsawg@ietf.org; mud@ietf.org
> *=E4=B8=BB=E9=A2=98:* Re: [OPSAWG] Declaring something to be a controller=
 in MUD
>
>
>
>
> On 1 Jul 2019, at 09:20, Qin Wu <bill.wu@huawei.com> wrote:
>
> *=E5=8F=91=E4=BB=B6=E4=BA=BA:* OPSAWG [mailto:opsawg-bounces@ietf.org <op=
sawg-bounces@ietf.org>]
> *=E4=BB=A3=E8=A1=A8 *Eliot Lear
> *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:* 2019=E5=B9=B46=E6=9C=8824=E6=97=
=A5 17:48
> *=E6=94=B6=E4=BB=B6=E4=BA=BA:* opsawg@ietf.org; mud@ietf.org
> *=E4=B8=BB=E9=A2=98:* [OPSAWG] Declaring something to be a controller in =
MUD
>
> Hi everyone,
>
> A few of us are just trying to put out an initial draft that addresses on=
e
> gap in MUD (there are several).  In a MUD file one can say that one wants
> to access a controller in two ways: either "my-controller=E2=80=9D meanin=
g a
> controller that services devices of a particular MUD URL or a =E2=80=9Cco=
ntroller=E2=80=9D
>  class that services devices based on a particular class name of
> controller.
>
> In either case, right now the administrator has to manually know and
> populate information, to say - some device 1.2.3.4 is a controller, eithe=
r
> for MUD URL https://example.com/mud or a class
> http://example.com/mudclass1.  That can be laborious.  To assist, we are
> examining ways to have a controller declare itself as a candidate
> controller.
>
> [Qin]: Since MUD in RFC8520 has already specify DNS extension and DHCP
> extension, why not configure MUD manager with controller=E2=80=99s declar=
ation? So
> the RESTFUL interface can be defined between NMS and controller, if my
> understanding is correct.
> I believe this is network initiated solution, you might have client
> initiated solution, but probably more complicated than network initiated
> solution.
>
>
> Can you say a few more words?  I=E2=80=99m not sure I=E2=80=99m quite fol=
lowing you.
> [Qin]: What I am suggesting is NMS preconfigures the MUD manager with
> controller=E2=80=99s declaration information, during DHCP process or DNS =
process,
> the controller=E2=80=99s declaration can be returned
> To the router or switch between the thing and MUD manager or return to th=
e
> thing, the router or the thing can access controller through controller
> delclartion.
>
> If the MUD manager also needs to be advertised to the thing, DHCP
> Discovery or DNS process can be leveraged. In this case, NMS needs to
> preconfigure DHCP server with MUD manager information.
>
> Eliot
>
>
>  That at least provides a hint to the administrator that this particular
> device is capable of serving in a particular role.
>
> To make that declaration, the device must-
>
>    - Form the declaration;
>    - Find the MUD manager; and
>    - Send it.
>
>
> Forming the declaration is easy: we can make this a YANG grouping and the=
n
> place it in various spots.
>
> Finding the MUD manager depends on one question:
>
>    - Was the device built to be a controller or is it a general purpose
>    device that has an app that is intended to be a controller?
>
>
> If the device was built to be a controller, we can simply cram the
> declaration into that devices own MUD file as an extension.  If the devic=
e
> is a general purpose computer, things get a bit more interesting.  In thi=
s
> case we have two choices:
>
>
>    - Either create a MUD file that points somewhere internally - this
>    doesn=E2=80=99t seem very plug and play.
>    - Make the declaration directly to the MUD manager.
>
>
> I=E2=80=99m going to focus on the latter for the moment.  It is easy enou=
gh to
> create a RESTful interface for this purpose, but it requires a mechanism =
to
> discovered the MUD manager, which up until now has been an internal part =
of
> the network infrastructure.
>
> Let me call this out plainly: letting the app itself directly call the MU=
D
> manager requires that the MUD manager itself become exposed to the user
> infrastructure, which is a change.
>
> One possibility to address this is to incorporate the new RESTful endpoin=
t
> into an ANIMA BRSKI join registrar, which may already be exposed.  But th=
at
> requires that ANIMA BRSKI be in play, which it may not.
>
> My thinking is that we do this work in two stages.  First handle the easy
> case, which is the MUD file extension, and then figure out how to do the
> app version of this.
>
> Thoughts?
>
> Eliot
>
>
>
>
> --
> Mud mailing list
> Mud@ietf.org
> https://www.ietf.org/mailman/listinfo/mud
>


--=20
M. Ranganathan

--000000000000845370058ca31e5c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><br><div><br></div><div><br></div><br><div class=3D"gmail_=
quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Jul 1, 2019 at 6:26 AM=
 Eliot Lear &lt;<a href=3D"mailto:lear@cisco.com" target=3D"_blank">lear@ci=
sco.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-lef=
t:1ex"><div>Qin and others:<div><br></div><div>Just to get the ball rolling=
, I=E2=80=99ve posted today=C2=A0<span style=3D"font-family:Menlo;font-size=
:14px">draft-lear-opsawg-mud-controller-candidates-00.</span></div><div><fo=
nt face=3D"Menlo"><span style=3D"font-size:14px"><br></span></font></div><d=
iv>I think this should help the discussion.</div><div><br></div><div>Eliot<=
br></div></div></blockquote><div><br></div><div><div>Hello Eliot,</div><div=
><br></div><div>In a similar vein to the=20
question Qin is asking, I have a question (we could discuss during the=20
upcoming IETF side meeting if you don&#39;t have time to respond now). <br>=
</div><div><br></div><div>What
 is the essential difference between a device declaring itself to be a=20
&quot;controller&quot; for another class and the situation where the device=
 (being controlled) just uses the &quot;model&quot; abstraction in
 an ACE? <br></div><div><br></div><div>If a device with mud URL=C2=A0=20
<a href=3D"https://toothbrush.nist.local/super1">https://toothbrush.nist.lo=
cal/super1</a> is a controller for device=20
coffemaker.nist.local, then simply declare an ACE in the coffeemaker MUD fi=
le, with a Model=20
abstraction naming toothbursh.nist.local :<br></div><div><br></div><div>=C2=
=A0 =C2=A0 =C2=A0=C2=A0 {<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 &quot;name&quot;: &quot;man0-todev&quot;,<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 &quot;matches&quot;: {<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;ietf-mud:mud&quot;: {<br>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;model&quot;: &quot;<a href=3D"=
https://toothbrush.nist.local/super1">https://toothbrush.nist.local/super1<=
/a>&quot;<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 },<br>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;ipv4&quot;: {=
<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;pr=
otocol&quot;: 17<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 },<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;udp&qu=
ot;: {<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 &q=
uot;source-port&quot;: {<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 &quot;operator&quot;: &quot;eq&quot;,<br>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 &quot;port&q=
uot;: 8008<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 }<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 }<br>=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 }</div><div><br></div><div>(s=
imilarly in the &quot;frdev&quot;)</div><div><br></div><div><br></div><div>=
What is the difference (in behavior) between this and the new mechanism pro=
posed in the draft?</div><div><br></div><div>Thanks, Ranga</div></div><div>=
=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div><di=
v><div><br><blockquote type=3D"cite"><div>On 1 Jul 2019, at 10:23, Qin Wu &=
lt;<a href=3D"mailto:bill.wu@huawei.com" target=3D"_blank">bill.wu@huawei.c=
om</a>&gt; wrote:</div><br class=3D"m_8956333534020397433gmail-m_4821330661=
570595705Apple-interchange-newline"><div><div class=3D"m_895633353402039743=
3gmail-m_4821330661570595705WordSection1" style=3D"font-family:Helvetica;fo=
nt-size:16px;font-style:normal;font-variant-caps:normal;font-weight:normal;=
letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;=
white-space:normal;word-spacing:0px;text-decoration:none"><div style=3D"mar=
gin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><b><spa=
n style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,=
sans-serif">=E5=8F=91=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US">:</span></span>=
</b><span style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=
=E9=BB=91,sans-serif" lang=3D"EN-US"><span class=3D"m_8956333534020397433gm=
ail-m_4821330661570595705Apple-converted-space">=C2=A0</span>Eliot Lear [<a=
 href=3D"mailto:lear@cisco.com" style=3D"color:purple;text-decoration:under=
line" target=3D"_blank">mailto:lear@cisco.com</a>]<span class=3D"m_89563335=
34020397433gmail-m_4821330661570595705Apple-converted-space">=C2=A0</span><=
br></span><b><span style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=
=E9=9B=85=E9=BB=91,sans-serif">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4<span la=
ng=3D"EN-US">:</span></span></b><span style=3D"font-size:11pt;font-family:=
=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif" lang=3D"EN-US"><span class=
=3D"m_8956333534020397433gmail-m_4821330661570595705Apple-converted-space">=
=C2=A0</span>2019</span><span style=3D"font-size:11pt;font-family:=E5=BE=AE=
=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif">=E5=B9=B4<span lang=3D"EN-US">7</sp=
an>=E6=9C=88<span lang=3D"EN-US">1</span>=E6=97=A5<span lang=3D"EN-US"><spa=
n class=3D"m_8956333534020397433gmail-m_4821330661570595705Apple-converted-=
space">=C2=A0</span>15:52<br></span><b>=E6=94=B6=E4=BB=B6=E4=BA=BA<span lan=
g=3D"EN-US">:</span></b><span lang=3D"EN-US"><span class=3D"m_8956333534020=
397433gmail-m_4821330661570595705Apple-converted-space">=C2=A0</span>Qin Wu=
 &lt;<a href=3D"mailto:bill.wu@huawei.com" style=3D"color:purple;text-decor=
ation:underline" target=3D"_blank">bill.wu@huawei.com</a>&gt;<br></span><b>=
=E6=8A=84=E9=80=81<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"><sp=
an class=3D"m_8956333534020397433gmail-m_4821330661570595705Apple-converted=
-space">=C2=A0</span><a href=3D"mailto:opsawg@ietf.org" style=3D"color:purp=
le;text-decoration:underline" target=3D"_blank">opsawg@ietf.org</a>;<span c=
lass=3D"m_8956333534020397433gmail-m_4821330661570595705Apple-converted-spa=
ce">=C2=A0</span><a href=3D"mailto:mud@ietf.org" style=3D"color:purple;text=
-decoration:underline" target=3D"_blank">mud@ietf.org</a><br></span><b>=E4=
=B8=BB=E9=A2=98<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"><span =
class=3D"m_8956333534020397433gmail-m_4821330661570595705Apple-converted-sp=
ace">=C2=A0</span>Re: [OPSAWG] Declaring something to be a controller in MU=
D<u></u><u></u></span></span></div><div style=3D"margin:0cm 0cm 0.0001pt;fo=
nt-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US"><u></u>=
=C2=A0<u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:1=
2pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US"><u></u>=C2=A0<u></=
u></span></div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;fo=
nt-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US"><br><br><u></u><u></u></=
span></div><blockquote style=3D"margin-top:5pt;margin-bottom:5pt"><div><div=
 style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=
=BD=93"><span lang=3D"EN-US">On 1 Jul 2019, at 09:20, Qin Wu &lt;<a href=3D=
"mailto:bill.wu@huawei.com" style=3D"color:purple;text-decoration:underline=
" target=3D"_blank">bill.wu@huawei.com</a>&gt; wrote:<u></u><u></u></span><=
/div></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family=
:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></div>=
<div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=
=E5=AE=8B=E4=BD=93"><b><span style=3D"font-size:11pt;font-family:=E5=BE=AE=
=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif">=E5=8F=91=E4=BB=B6=E4=BA=BA<span la=
ng=3D"EN-US">:</span></span></b><span class=3D"m_8956333534020397433gmail-m=
_4821330661570595705apple-converted-space"><span style=3D"font-size:11pt;fo=
nt-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif" lang=3D"EN-US">=
=C2=A0</span></span><span style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=
=BD=AF=E9=9B=85=E9=BB=91,sans-serif" lang=3D"EN-US">OPSAWG [<a href=3D"mail=
to:opsawg-bounces@ietf.org" style=3D"color:purple;text-decoration:underline=
" target=3D"_blank"><span style=3D"color:purple">mailto:opsawg-bounces@ietf=
.org</span></a>]<span class=3D"m_8956333534020397433gmail-m_482133066157059=
5705apple-converted-space">=C2=A0</span></span><b><span style=3D"font-size:=
11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif">=E4=BB=A3=
=E8=A1=A8<span class=3D"m_8956333534020397433gmail-m_4821330661570595705app=
le-converted-space"><span lang=3D"EN-US">=C2=A0</span></span></span></b><sp=
an style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
,sans-serif" lang=3D"EN-US">Eliot Lear<br></span><b><span style=3D"font-siz=
e:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif">=E5=8F=
=91=E9=80=81=E6=97=B6=E9=97=B4<span lang=3D"EN-US">:</span></span></b><span=
 class=3D"m_8956333534020397433gmail-m_4821330661570595705apple-converted-s=
pace"><span style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=
=E9=BB=91,sans-serif" lang=3D"EN-US">=C2=A0</span></span><span style=3D"fon=
t-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif" la=
ng=3D"EN-US">2019</span><span style=3D"font-size:11pt;font-family:=E5=BE=AE=
=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif">=E5=B9=B4<span lang=3D"EN-US">6</sp=
an>=E6=9C=88<span lang=3D"EN-US">24</span>=E6=97=A5<span class=3D"m_8956333=
534020397433gmail-m_4821330661570595705apple-converted-space"><span lang=3D=
"EN-US">=C2=A0</span></span><span lang=3D"EN-US">17:48<br></span><b>=E6=94=
=B6=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US">:</span></b><span class=3D"m_8956=
333534020397433gmail-m_4821330661570595705apple-converted-space"><span lang=
=3D"EN-US">=C2=A0</span></span><span lang=3D"EN-US"><a href=3D"mailto:opsaw=
g@ietf.org" style=3D"color:purple;text-decoration:underline" target=3D"_bla=
nk"><span style=3D"color:purple">opsawg@ietf.org</span></a>;<span class=3D"=
m_8956333534020397433gmail-m_4821330661570595705apple-converted-space">=C2=
=A0</span><a href=3D"mailto:mud@ietf.org" style=3D"color:purple;text-decora=
tion:underline" target=3D"_blank"><span style=3D"color:purple">mud@ietf.org=
</span></a><br></span><b>=E4=B8=BB=E9=A2=98<span lang=3D"EN-US">:</span></b=
><span class=3D"m_8956333534020397433gmail-m_4821330661570595705apple-conve=
rted-space"><span lang=3D"EN-US">=C2=A0</span></span><span lang=3D"EN-US">[=
OPSAWG] Declaring something to be a controller in MUD</span></span><span la=
ng=3D"EN-US"><u></u><u></u></span></div></div><div><div style=3D"margin:0cm=
 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"=
EN-US">=C2=A0<u></u><u></u></span></div></div><div><div style=3D"margin:0cm=
 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"=
EN-US">Hi everyone,<u></u><u></u></span></div></div><div><div><div style=3D=
"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><sp=
an lang=3D"EN-US">=C2=A0<u></u><u></u></span></div></div></div><div><div><d=
iv style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=
=BD=93"><span lang=3D"EN-US">A few of us are just trying to put out an init=
ial draft that addresses one gap in MUD (there are several).=C2=A0 In a MUD=
 file one can say that one wants to access a controller in two ways: either=
 &quot;my-controller</span>=E2=80=9D<span lang=3D"EN-US"><span class=3D"m_8=
956333534020397433gmail-m_4821330661570595705Apple-converted-space">=C2=A0<=
/span>meaning a controller that services devices of a particular MUD URL or=
 a<span class=3D"m_8956333534020397433gmail-m_4821330661570595705Apple-conv=
erted-space">=C2=A0</span></span>=E2=80=9C<span lang=3D"EN-US">controller</=
span>=E2=80=9D<span lang=3D"EN-US"><span class=3D"m_8956333534020397433gmai=
l-m_4821330661570595705Apple-converted-space">=C2=A0</span>class that servi=
ces devices based on a particular class name of controller.<u></u><u></u></=
span></div></div></div><div><div><div style=3D"margin:0cm 0cm 0.0001pt;font=
-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">=C2=A0<u></=
u><u></u></span></div></div></div><div><div><div style=3D"margin:0cm 0cm 0.=
0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">=
In either case, right now the administrator has to manually know and popula=
te information, to say - some device 1.2.3.4 is a controller, either for MU=
D URL<span class=3D"m_8956333534020397433gmail-m_4821330661570595705apple-c=
onverted-space">=C2=A0</span><a href=3D"https://example.com/mud" style=3D"c=
olor:purple;text-decoration:underline" target=3D"_blank"><span style=3D"col=
or:purple">https://example.com/mud</span></a>=C2=A0or a class<span class=3D=
"m_8956333534020397433gmail-m_4821330661570595705apple-converted-space">=C2=
=A0</span><a href=3D"http://example.com/mudclass1" style=3D"color:purple;te=
xt-decoration:underline" target=3D"_blank"><span style=3D"color:purple">htt=
p://example.com/mudclass1</span></a>.=C2=A0 That can be laborious.=C2=A0 To=
 assist, we are examining ways to have a controller declare itself as a can=
didate controller.<u></u><u></u></span></div></div><div><div style=3D"margi=
n:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span sty=
le=3D"font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"=
 lang=3D"EN-US">=C2=A0</span><span lang=3D"EN-US"><u></u><u></u></span></di=
v></div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-fami=
ly:=E5=AE=8B=E4=BD=93"><span style=3D"font-size:10.5pt;font-family:Calibri,=
sans-serif;color:rgb(31,73,125)" lang=3D"EN-US">[Qin]: Since MUD in RFC8520=
 has already specify DNS extension and DHCP extension, why not configure MU=
D manager with controller=E2=80=99s declaration? So the RESTFUL interface c=
an be defined between NMS and controller, if my understanding is correct.</=
span><span lang=3D"EN-US"><u></u><u></u></span></div></div><div><div style=
=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93">=
<span style=3D"font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31=
,73,125)" lang=3D"EN-US">I believe this is network initiated solution, you =
might have client initiated solution, but probably more complicated than ne=
twork initiated solution.</span><span lang=3D"EN-US"><u></u><u></u></span><=
/div></div></div></div></blockquote><div><div style=3D"margin:0cm 0cm 0.000=
1pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US"><u>=
</u>=C2=A0<u></u></span></div></div><div style=3D"margin:0cm 0cm 0.0001pt;f=
ont-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">Can you =
say a few more words?=C2=A0 I=E2=80=99m not sure I=E2=80=99m quite followin=
g you.<u></u><u></u></span></div></div><div><div style=3D"margin:0cm 0cm 0.=
0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span style=3D"color:=
rgb(31,73,125)" lang=3D"EN-US">[Qin]: What I am suggesting is NMS preconfig=
ures the MUD manager with controller=E2=80=99s declaration information, dur=
ing DHCP process or DNS process, the controller=E2=80=99s declaration can b=
e returned<u></u><u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;=
font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span style=3D"font-size:10.=
5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)" lang=3D"EN-US">To =
the router or switch between the thing and MUD manager or return to the thi=
ng, the router or the thing can access controller through controller delcla=
rtion.<u></u><u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;font=
-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span style=3D"font-size:10.5pt;=
font-family:Calibri,sans-serif;color:rgb(31,73,125)" lang=3D"EN-US"><u></u>=
=C2=A0<u></u></span></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:1=
2pt;font-family:=E5=AE=8B=E4=BD=93"><span style=3D"font-size:10.5pt;font-fa=
mily:Calibri,sans-serif;color:rgb(31,73,125)" lang=3D"EN-US">If the MUD man=
ager also needs to be advertised to the thing, DHCP Discovery or DNS proces=
s can be leveraged. In this case, NMS needs to preconfigure DHCP server wit=
h MUD manager information.<u></u><u></u></span></div><div style=3D"margin:0=
cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span style=
=3D"font-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)" l=
ang=3D"EN-US"><u></u>=C2=A0<u></u></span></div></div><div><div style=3D"mar=
gin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span l=
ang=3D"EN-US">Eliot<br><br><u></u><u></u></span></div><blockquote style=3D"=
margin-top:5pt;margin-bottom:5pt"><div><div><div><div style=3D"margin:0cm 0=
cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span style=3D"f=
ont-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)" lang=
=3D"EN-US">=C2=A0</span><span lang=3D"EN-US"><u></u><u></u></span></div></d=
iv><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=
=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">=C2=A0That at least provides a hin=
t to the administrator that this particular device is capable of serving in=
 a particular role.<u></u><u></u></span></div></div></div><div><div><div st=
yle=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=
=93"><span lang=3D"EN-US">=C2=A0<u></u><u></u></span></div></div></div><div=
><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=
=AE=8B=E4=BD=93"><span lang=3D"EN-US">To make that declaration, the device =
must-<u></u><u></u></span></div></div></div><div><ul style=3D"margin-bottom=
:0cm;margin-top:0cm" type=3D"disc"><li class=3D"MsoNormal" style=3D"margin:=
0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=
=3D"EN-US">Form the declaration;<u></u><u></u></span></li><li class=3D"MsoN=
ormal" style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=
=8B=E4=BD=93"><span lang=3D"EN-US">Find the MUD manager; and<u></u><u></u><=
/span></li><li class=3D"MsoNormal" style=3D"margin:0cm 0cm 0.0001pt;font-si=
ze:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">Send it.<u></u=
><u></u></span></li></ul><div><div><div style=3D"margin:0cm 0cm 0.0001pt;fo=
nt-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">=C2=A0<u>=
</u><u></u></span></div></div></div></div><div><div><div style=3D"margin:0c=
m 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D=
"EN-US">Forming the declaration is easy: we can make this a YANG grouping a=
nd then place it in various spots.<u></u><u></u></span></div></div></div><d=
iv><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=
=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">=C2=A0<u></u><u></u></span></div><=
/div></div><div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;f=
ont-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">Finding the MUD manager=
 depends on one question:<u></u><u></u></span></div></div></div><div><ul st=
yle=3D"margin-bottom:0cm;margin-top:0cm" type=3D"disc"><li class=3D"MsoNorm=
al" style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=
=E4=BD=93"><span lang=3D"EN-US">Was the device built to be a controller or =
is it a general purpose device that has an app that is intended to be a con=
troller?<u></u><u></u></span></li></ul><div><div><div style=3D"margin:0cm 0=
cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN=
-US">=C2=A0<u></u><u></u></span></div></div></div></div><div><div><div styl=
e=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"=
><span lang=3D"EN-US">If the device was built to be a controller, we can si=
mply cram the declaration into that devices own MUD file as an extension.=
=C2=A0 If the device is a general purpose computer, things get a bit more i=
nteresting.=C2=A0 In this case we have two choices:<u></u><u></u></span></d=
iv></div></div><div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12=
pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">=C2=A0<u></u><u></u=
></span></div></div></div><div><ul style=3D"margin-bottom:0cm;margin-top:0c=
m" type=3D"disc"><li class=3D"MsoNormal" style=3D"margin:0cm 0cm 0.0001pt;f=
ont-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">Either c=
reate a MUD file that points somewhere internally - this doesn</span>=E2=80=
=99<span lang=3D"EN-US">t seem very plug and play.<u></u><u></u></span></li=
><li class=3D"MsoNormal" style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;fo=
nt-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">Make the declaration dir=
ectly to the MUD manager.<u></u><u></u></span></li></ul><div><div><div styl=
e=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"=
><span lang=3D"EN-US">=C2=A0<u></u><u></u></span></div></div></div></div><d=
iv><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=
=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">I</span>=E2=80=99<span lang=3D"EN-=
US">m going to focus on the latter for the moment.=C2=A0 It is easy enough =
to create a RESTful interface for this purpose, but it requires a mechanism=
 to discovered the MUD manager, which up until now has been an internal par=
t of the network infrastructure.<u></u><u></u></span></div></div></div><div=
><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=
=AE=8B=E4=BD=93"><span lang=3D"EN-US">=C2=A0<u></u><u></u></span></div></di=
v></div><div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font=
-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">Let me call this out plain=
ly: letting the app itself directly call the MUD manager requires that the =
MUD manager itself become exposed to the user infrastructure, which is a ch=
ange.<u></u><u></u></span></div></div></div><div><div><div style=3D"margin:=
0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=
=3D"EN-US">=C2=A0<u></u><u></u></span></div></div></div><div><div><div styl=
e=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"=
><span lang=3D"EN-US">One possibility to address this is to incorporate the=
 new RESTful endpoint into an ANIMA BRSKI join registrar, which may already=
 be exposed.=C2=A0 But that requires that ANIMA BRSKI be in play, which it =
may not.<u></u><u></u></span></div></div></div><div><div><div style=3D"marg=
in:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span la=
ng=3D"EN-US">=C2=A0<u></u><u></u></span></div></div></div><div><div><div st=
yle=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=
=93"><span lang=3D"EN-US">My thinking is that we do this work in two stages=
.=C2=A0 First handle the easy case, which is the MUD file extension, and th=
en figure out how to do the app version of this.<u></u><u></u></span></div>=
</div></div><div><div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;=
font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">=C2=A0<u></u><u></u></=
span></div></div></div><div><div><div style=3D"margin:0cm 0cm 0.0001pt;font=
-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US">Thoughts?<u=
></u><u></u></span></div></div></div><div><div><div style=3D"margin:0cm 0cm=
 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span lang=3D"EN-U=
S">=C2=A0<u></u><u></u></span></div></div></div><div><div><div style=3D"mar=
gin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=E5=AE=8B=E4=BD=93"><span l=
ang=3D"EN-US">Eliot<u></u><u></u></span></div></div></div></div></blockquot=
e></div><div style=3D"margin:0cm 0cm 0.0001pt;font-size:12pt;font-family:=
=E5=AE=8B=E4=BD=93"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></div><=
/div></div></blockquote></div><br></div></div></div>-- <br>
Mud mailing list<br>
<a href=3D"mailto:Mud@ietf.org" target=3D"_blank">Mud@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mud" rel=3D"noreferrer" ta=
rget=3D"_blank">https://www.ietf.org/mailman/listinfo/mud</a><br>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"m=
_8956333534020397433gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"=
><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div>M. =
Ranganathan <br><br></div></div></div></div></div></div></div></div></div><=
/div></div></div>

--000000000000845370058ca31e5c--


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From: Qin Wu <bill.wu@huawei.com>
To: Eliot Lear <lear@cisco.com>
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Thread-Topic: [OPSAWG] Declaring something to be a controller in MUD
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Subject: Re: [OPSAWG] Declaring something to be a controller in MUD
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From: Qin Wu <bill.wu@huawei.com>
To: Eliot Lear <lear@cisco.com>
CC: "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
Thread-Topic: [OPSAWG] Declaring something to be a controller in MUD
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Date: Tue, 2 Jul 2019 01:42:20 +0000
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Subject: Re: [OPSAWG] Declaring something to be a controller in MUD
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--_000_B8F9A780D330094D99AF023C5877DABAA49BD98Ankgeml513mbxchi_--


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From: "Wubo (lana)" <lana.wubo@huawei.com>
To: Tianran Zhou <zhoutianran@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>
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To: "M. Ranganathan" <mranga@gmail.com>
References: <B8F9A780D330094D99AF023C5877DABAA49BC8F3@nkgeml513-mbx.china.huawei.com> <230EB786-36AB-4E79-A6DD-20278E895763@cisco.com> <CAHiu4JNMrZMX8upAnwEU1qvGie5WTONSsnWU8LfOfYO2Yh+CFg@mail.gmail.com>
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Subject: Re: [OPSAWG] [Mud]  Declaring something to be a controller in MUD
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Hi Ranga,

> On 1 Jul 2019, at 20:51, M. Ranganathan <mranga@gmail.com> wrote:
>=20
> What is the essential difference between a device declaring itself to =
be a "controller" for another class and the situation where the device =
(being controlled) just uses the "model" abstraction in an ACE?


You could indeed do this with =E2=80=9Cmodel=E2=80=9D,

--Apple-Mail=_9AF038A6-CDD0-482A-A20F-519512AB4E8D
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Hi =
Ranga,<br class=3D""><div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D"">On 1 Jul 2019, at 20:51, M. Ranganathan =
&lt;<a href=3D"mailto:mranga@gmail.com" =
class=3D"">mranga@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
16px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">What is the essential difference =
between a device declaring itself to be a "controller" for another class =
and the situation where the device (being controlled) just uses the =
"model" abstraction in an ACE?<span =
class=3D"Apple-converted-space">&nbsp;</span></span></div></blockquote></d=
iv><br class=3D""><div class=3D""><br class=3D""></div><div class=3D"">You=
 could indeed do this with =E2=80=9Cmodel=E2=80=9D,&nbsp;</div></body></ht=
ml>=

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Cc: Qin Wu <bill.wu@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
To: "M. Ranganathan" <mranga@gmail.com>
References: <B8F9A780D330094D99AF023C5877DABAA49BC8F3@nkgeml513-mbx.china.huawei.com> <230EB786-36AB-4E79-A6DD-20278E895763@cisco.com> <CAHiu4JNMrZMX8upAnwEU1qvGie5WTONSsnWU8LfOfYO2Yh+CFg@mail.gmail.com>
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Subject: Re: [OPSAWG] [Mud]  Declaring something to be a controller in MUD
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Hi Ranga,

Sorry for the pre-mature send.

> On 1 Jul 2019, at 20:51, M. Ranganathan <mranga@gmail.com> wrote:
>=20
> What is the essential difference between a device declaring itself to =
be a "controller" for another class and the situation where the device =
(being controlled) just uses the "model" abstraction in an ACE?
>=20

You could indeed do this with =E2=80=9Cmodel=E2=80=9D.  The reason I =
hadn=E2=80=99t thought of that was because in my mind, same-manufacturer =
and model were for NxN communications, and that it might be a hint to =
the NMS to use appropriate scale mechanisms.  But that=E2=80=99s not =
actually in the text.

I think, by the way, that there=E2=80=99s another reason to think about =
doing this from the controller side: if the standards are open like we =
like them to be, a device may not know who should be the controller for =
a particular device or class.

Eliot

--Apple-Mail=_5FC2D4BD-8A03-40E3-954E-982BC5CFF986
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Hi =
Ranga,<div class=3D""><br class=3D""></div><div class=3D"">Sorry for the =
pre-mature send.<br class=3D""><div><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D"">On 1 Jul 2019, at 20:51, M. =
Ranganathan &lt;<a href=3D"mailto:mranga@gmail.com" =
class=3D"">mranga@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
16px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D"">What =
is the essential difference between a device declaring itself to be a =
"controller" for another class and the situation where the device (being =
controlled) just uses the "model" abstraction in an ACE?<span =
class=3D"Apple-converted-space">&nbsp;</span><br class=3D""></div><br =
class=3D"Apple-interchange-newline"></div></blockquote></div><br =
class=3D""></div><div class=3D"">You could indeed do this with =
=E2=80=9Cmodel=E2=80=9D. &nbsp;The reason I hadn=E2=80=99t thought of =
that was because in my mind, same-manufacturer and model were for NxN =
communications, and that it might be a hint to the NMS to use =
appropriate scale mechanisms. &nbsp;But that=E2=80=99s not actually in =
the text.</div><div class=3D""><br class=3D""></div><div class=3D"">I =
think, by the way, that there=E2=80=99s another reason to think about =
doing this from the controller side: if the standards are open like we =
like them to be, a device may not know who should be the controller for =
a particular device or class.</div><div class=3D""><br =
class=3D""></div><div class=3D"">Eliot</div></body></html>=

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From: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>
To: "netslices@ietf.org" <netslices@ietf.org>, "rtgwg@ietf.org" <rtgwg@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>
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Thread-Topic: New Version Notification for draft-rokui-5g-transport-slice-00.txt
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From: "M. Ranganathan" <mranga@gmail.com>
Date: Tue, 2 Jul 2019 13:21:56 -0400
Message-ID: <CAHiu4JO-0JMB1UEsH3LwbHVM6bXR+rsnFdB6=3A3ZtX1YHnR6g@mail.gmail.com>
To: Eliot Lear <lear@cisco.com>
Cc: Qin Wu <bill.wu@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/zUjwIkFQ7MhBLlyOJ2Vyo9XZRSU>
Subject: Re: [OPSAWG] [Mud]  Declaring something to be a controller in MUD
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Hello Eliot,

On Tue, Jul 2, 2019 at 2:10 AM Eliot Lear <lear@cisco.com> wrote:

> Hi Ranga,
>
> Sorry for the pre-mature send.
>
> On 1 Jul 2019, at 20:51, M. Ranganathan <mranga@gmail.com> wrote:
>
> What is the essential difference between a device declaring itself to be =
a
> "controller" for another class and the situation where the device (being
> controlled) just uses the "model" abstraction in an ACE?
>
>
> You could indeed do this with =E2=80=9Cmodel=E2=80=9D.  The reason I hadn=
=E2=80=99t thought of
> that was because in my mind, same-manufacturer and model were for NxN
> communications, and that it might be a hint to the NMS to use appropriate
> scale mechanisms.  But that=E2=80=99s not actually in the text.
>
> I think, by the way, that there=E2=80=99s another reason to think about d=
oing this
> from the controller side: if the standards are open like we like them to
> be, a device may not know who should be the controller for a particular
> device or class.
>
>
Yes I agree with your reasoning - especially the second part. I think some
wording providing justification for this in the draft would be good  (maybe
even as an addendum to the MUD specification).

Looking forward to further discussion on how applications can become
controllers.

Regards, Ranga

> Eliot
>


--=20
M. Ranganathan

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<div dir=3D"ltr"><div dir=3D"ltr"><br></div><div>Hello Eliot,</div><div><br=
></div><div><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr=
">On Tue, Jul 2, 2019 at 2:10 AM Eliot Lear &lt;<a href=3D"mailto:lear@cisc=
o.com">lear@cisco.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,20=
4);padding-left:1ex"><div style=3D"overflow-wrap: break-word;">Hi Ranga,<di=
v><br></div><div>Sorry for the pre-mature send.<br><div><br><blockquote typ=
e=3D"cite"><div>On 1 Jul 2019, at 20:51, M. Ranganathan &lt;<a href=3D"mail=
to:mranga@gmail.com" target=3D"_blank">mranga@gmail.com</a>&gt; wrote:</div=
><br class=3D"gmail-m_4619809254408507825Apple-interchange-newline"><div><d=
iv style=3D"font-family:Helvetica;font-size:16px;font-style:normal;font-var=
iant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;=
text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;tex=
t-decoration:none">What is the essential difference between a device declar=
ing itself to be a &quot;controller&quot; for another class and the situati=
on where the device (being controlled) just uses the &quot;model&quot; abst=
raction in an ACE?<span class=3D"gmail-m_4619809254408507825Apple-converted=
-space">=C2=A0</span><br></div><br class=3D"gmail-m_4619809254408507825Appl=
e-interchange-newline"></div></blockquote></div><br></div><div>You could in=
deed do this with =E2=80=9Cmodel=E2=80=9D.=C2=A0 The reason I hadn=E2=80=99=
t thought of that was because in my mind, same-manufacturer and model were =
for NxN communications, and that it might be a hint to the NMS to use appro=
priate scale mechanisms.=C2=A0 But that=E2=80=99s not actually in the text.=
</div><div><br></div><div>I think, by the way, that there=E2=80=99s another=
 reason to think about doing this from the controller side: if the standard=
s are open like we like them to be, a device may not know who should be the=
 controller for a particular device or class.</div><div><br></div></div></b=
lockquote><div><br></div><div>Yes I agree with your reasoning - especially =
the second part. I think some wording providing justification for this in t=
he draft would be good=C2=A0 (maybe even as an addendum to the MUD specific=
ation).<br></div><div><br> </div><div>Looking forward to further discussion=
 on how applications can become controllers.<br></div><div><br></div><div>R=
egards, Ranga<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 style=3D"overflow-wrap: break-word;"><div></div><div>Eliot</div></div></=
blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"gma=
il_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr">=
<div><div dir=3D"ltr"><div><div dir=3D"ltr"><div>M. Ranganathan <br><br></d=
iv></div></div></div></div></div></div></div></div></div></div></div></div>

--0000000000007479be058cb5fdb7--


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From: Tianran Zhou <zhoutianran@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: [OPSAWG] IPR poll on draft-wkumari-opsawg-sdi-04
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Subject: [OPSAWG] FW:  IPR poll on draft-wkumari-opsawg-sdi-04
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FYI

From: Colin Doyle [mailto:cdoyle@juniper.net]
Sent: Wednesday, June 26, 2019 11:54 PM
To: Tianran Zhou <zhoutianran@huawei.com>; Warren Kumari <warren@kumari.net=
>
Cc: OpsAWG Chairs <opsawg-chairs@ietf.org>
Subject: Re: [OPSAWG] IPR poll on draft-wkumari-opsawg-sdi-04

Please forgive me. I'm new to this process and require a bit of hand-holdin=
g. If the question is whether or not I'm aware of any relevant IPR, I am no=
t.
C
___________________________________________
Colin Doyle
Juniper Networks | Senior Systems Engineer
C. 503.810.2129 | E. CDoyle@Juniper.net<mailto:CDoyle@Juniper.net>

________________________________
From: Tianran Zhou <zhoutianran@huawei.com<mailto:zhoutianran@huawei.com>>
Sent: Wednesday, June 26, 2019 12:31:58 AM
To: Warren Kumari; Colin Doyle
Cc: OpsAWG Chairs
Subject: FW: [OPSAWG] IPR poll on draft-wkumari-opsawg-sdi-04

Hi Colin,

I did not receive your confirm on the IPR poll.
Please check it before the deadline.

Thanks,
Tianran

-----Original Message-----
From: Warren Kumari [mailto:warren@kumari.net]
Sent: Tuesday, June 18, 2019 10:15 PM
To: Tianran Zhou <zhoutianran@huawei.com<mailto:zhoutianran@huawei.com>>
Cc: opsawg@ietf.org<mailto:opsawg@ietf.org>; OpsAWG Chairs <opsawg-chairs@i=
etf.org<mailto:opsawg-chairs@ietf.org>>
Subject: Re: [OPSAWG] IPR poll on draft-wkumari-opsawg-sdi-04

On Tue, Jun 18, 2019 at 2:57 AM Tianran Zhou <zhoutianran@huawei.com<mailto=
:zhoutianran@huawei.com>> wrote:
>
> Hi WG,
>
> Accompany with the adoption poll, this mail starts the IPR poll.
>
> Are you aware of any IPR that applies to draft-wkumari-opsawg-sdi-04?

I confirm that I am not aware of any IPR that applies to draft-wkumari-opsa=
wg-sdi

Thanks for checking,
W

>
> If you own or are aware of any IPR that applies to the draft-wkumari-opsa=
wg-sdi-04, please clarify whether this IPR been disclosed in compliance wit=
h IETF IPR rules (see RFCs 3979, 4879, 3669 and 5378 for more details).
>
> If you are listed as a document author or contributor please respond to t=
his email in OPSAWG mailing list regardless of whether or not you are aware=
 of any relevant IPR. The document will not advance to the next stage until=
 a response has been received from each author and contributor.
>
> If you are not listed as an author or contributor but are on OPSAWG maili=
ng list, then please explicitly respond if you are aware of any IPR that ha=
s not yet been disclosed in conformance with IETF rules.
>
> Thank you for kind support.
>
> Regards,
> Tianran & Joe
>
> _______________________________________________
> OPSAWG mailing list
> OPSAWG@ietf.org<mailto:OPSAWG@ietf.org>
> https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mailm=
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--
I don't think the execution is relevant when it was obviously a bad idea in=
 the first place.
This is like putting rabid weasels in your pants, and later expressing regr=
et at having chosen those particular rabid weasels and that pair of pants.
   ---maf

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<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,sans-serif">From:</span></b><span lang=3D"EN-=
US" style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"> =
Colin Doyle [mailto:cdoyle@juniper.net]
<br>
<b>Sent:</b> Wednesday, June 26, 2019 11:54 PM<br>
<b>To:</b> Tianran Zhou &lt;zhoutianran@huawei.com&gt;; Warren Kumari &lt;w=
arren@kumari.net&gt;<br>
<b>Cc:</b> OpsAWG Chairs &lt;opsawg-chairs@ietf.org&gt;<br>
<b>Subject:</b> Re: [OPSAWG] IPR poll on draft-wkumari-opsawg-sdi-04<o:p></=
o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US" =
style=3D"font-size:11.0pt;font-family:&quot;Arial&quot;,sans-serif;color:bl=
ack">Please forgive me. I'm new to this process and require a bit of hand-h=
olding. If the question is whether or not I'm aware
 of any relevant IPR, I am not.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US" =
style=3D"font-size:11.0pt;font-family:&quot;Arial&quot;,sans-serif;color:bl=
ack">C<o:p></o:p></span></p>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US" =
style=3D"font-size:11.0pt;font-family:&quot;Arial&quot;,sans-serif;color:bl=
ack">___________________________________________<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Arial&quot;,sans-serif;color:black">Colin Doyle<o:p></o:p></sp=
an></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Arial&quot;,sans-serif;color:black">Juniper Networks | Senior =
Systems Engineer<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Arial&quot;,sans-serif;color:black">C. 503.810.2129&nbsp;| E.&=
nbsp;<a href=3D"mailto:CDoyle@Juniper.net">CDoyle@Juniper.net</a><o:p></o:p=
></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Arial&quot;,sans-serif;color:black"><o:p>&nbsp;</o:p></span></=
p>
</div>
<div class=3D"MsoNormal" align=3D"center" style=3D"text-align:center"><span=
 lang=3D"EN-US">
<hr size=3D"3" width=3D"98%" align=3D"center">
</span></div>
<div id=3D"x_divRplyFwdMsg">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:11.0pt;fo=
nt-family:&quot;Calibri&quot;,sans-serif;color:black">From:</span></b><span=
 lang=3D"EN-US" style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,s=
ans-serif;color:black"> Tianran Zhou &lt;<a href=3D"mailto:zhoutianran@huaw=
ei.com">zhoutianran@huawei.com</a>&gt;<br>
<b>Sent:</b> Wednesday, June 26, 2019 12:31:58 AM<br>
<b>To:</b> Warren Kumari; Colin Doyle<br>
<b>Cc:</b> OpsAWG Chairs<br>
<b>Subject:</b> FW: [OPSAWG] IPR poll on draft-wkumari-opsawg-sdi-04</span>=
<span lang=3D"EN-US">
<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;<o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt">Hi C=
olin,<br>
<br>
I did not receive your confirm on the IPR poll.<br>
Please check it before the deadline.<br>
<br>
Thanks,<br>
Tianran<br>
<br>
-----Original Message-----<br>
From: Warren Kumari [<a href=3D"mailto:warren@kumari.net">mailto:warren@kum=
ari.net</a>]
<br>
Sent: Tuesday, June 18, 2019 10:15 PM<br>
To: Tianran Zhou &lt;<a href=3D"mailto:zhoutianran@huawei.com">zhoutianran@=
huawei.com</a>&gt;<br>
Cc: <a href=3D"mailto:opsawg@ietf.org">opsawg@ietf.org</a>; OpsAWG Chairs &=
lt;<a href=3D"mailto:opsawg-chairs@ietf.org">opsawg-chairs@ietf.org</a>&gt;=
<br>
Subject: Re: [OPSAWG] IPR poll on draft-wkumari-opsawg-sdi-04<br>
<br>
On Tue, Jun 18, 2019 at 2:57 AM Tianran Zhou &lt;<a href=3D"mailto:zhoutian=
ran@huawei.com">zhoutianran@huawei.com</a>&gt; wrote:<br>
&gt;<br>
&gt; Hi WG,<br>
&gt;<br>
&gt; Accompany with the adoption poll, this mail starts the IPR poll.<br>
&gt;<br>
&gt; Are you aware of any IPR that applies to draft-wkumari-opsawg-sdi-04?<=
br>
<br>
I confirm that I am not aware of any IPR that applies to draft-wkumari-opsa=
wg-sdi<br>
<br>
Thanks for checking,<br>
W<br>
<br>
&gt;<br>
&gt; If you own or are aware of any IPR that applies to the draft-wkumari-o=
psawg-sdi-04, please clarify whether this IPR been disclosed in compliance =
with IETF IPR rules (see RFCs 3979, 4879, 3669 and 5378 for more details).<=
br>
&gt;<br>
&gt; If you are listed as a document author or contributor please respond t=
o this email in OPSAWG mailing list regardless of whether or not you are aw=
are of any relevant IPR. The document will not advance to the next stage un=
til a response has been received from
 each author and contributor.<br>
&gt;<br>
&gt; If you are not listed as an author or contributor but are on OPSAWG ma=
iling list, then please explicitly respond if you are aware of any IPR that=
 has not yet been disclosed in conformance with IETF rules.<br>
&gt;<br>
&gt; Thank you for kind support.<br>
&gt;<br>
&gt; Regards,<br>
&gt; Tianran &amp; Joe<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; OPSAWG mailing list<br>
&gt; <a href=3D"mailto:OPSAWG@ietf.org">OPSAWG@ietf.org</a><br>
&gt; <a href=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.=
ietf.org_mailman_listinfo_opsawg&amp;d=3DDwIGaQ&amp;c=3DHAkYuh63rsuhr6Scbfh=
0UjBXeMK-ndb3voDTXcWzoCI&amp;r=3D-t54aycVhEAROiiA0cL1h6gQ_tnk-QBclxgQbGvIET=
U&amp;m=3DMs0ZnFkrDREOFTeM7CIViJKKtOw7PkiHfA0vaIxsYvc&amp;s=3D_fliZnc_HFp9x=
cyo5K-6MREwsva6ygK2JW9Ke9FpwvE&amp;e=3D">
https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mailman=
_listinfo_opsawg&amp;d=3DDwIGaQ&amp;c=3DHAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voD=
TXcWzoCI&amp;r=3D-t54aycVhEAROiiA0cL1h6gQ_tnk-QBclxgQbGvIETU&amp;m=3DMs0ZnF=
krDREOFTeM7CIViJKKtOw7PkiHfA0vaIxsYvc&amp;s=3D_fliZnc_HFp9xcyo5K-6MREwsva6y=
gK2JW9Ke9FpwvE&amp;e=3D</a>
<br>
<br>
<br>
<br>
--<br>
I don't think the execution is relevant when it was obviously a bad idea in=
 the first place.<br>
This is like putting rabid weasels in your pants, and later expressing regr=
et at having chosen those particular rabid weasels and that pair of pants.<=
br>
&nbsp;&nbsp; ---maf<o:p></o:p></span></p>
</div>
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</body>
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To: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>, "netslices@ietf.org" <netslices@ietf.org>, "rtgwg@ietf.org" <rtgwg@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>
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From: Takuya Miyasaka <ta-miyasaka@kddi-research.jp>
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Subject: Re: [OPSAWG] [DMM] New Version Notification for draft-rokui-5g-transport-slice-00.txt
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Hi Reza,

Thanks for sharing this draft. I'm curious about how to bind/associate 
3GPP(RAN/Core) slice instance and Transport slice instance and section 
5.2 of this draft describes as follows:

       o In order to have the connectivity between RAN1 and UPF1, the RAN
          and Core slices should be associated to Transport slice. This is
          also a by-product of the Transport slice connectivity interface
          when all allocated resources for access points (such as allocated
          VLAN IDs, IP addresses etc) are conveyed to RAN and Core Slices.
          This will be done by cordiantion between transport slice
          controller and E2E network slice controller.

As for this sentences, could you confirm if following procedures will be 
conducted between controllers in order to associate independent slice 
instances or not?
  - E2E Network Slice Controller sends a request on transport slice 
creation to Transport Controller (interface 10 of Fig.2)
  - Transport Controller creates transport slice instance and sends 
access point information(e.g. VLAN ID) to E2E Network Slice Controller
  - E2E Network Slice Controller sends a request on access point 
creation/modification to RAN/Core Controller
  - RAN/Core Controller create/modify access point on gNB/UPF 
respectively, which means gNB/UPF starts to attach adequate access point 
information(e.g. VLAN ID) on their user plane packet

Thanks,
Takuya Miyasaka
KDDI Research

On 2019/07/02 23:06, Rokui, Reza (Nokia - CA/Ottawa) wrote:
>
> Hi all,
>
> This is to inform you that the following new draft has been submitted 
> to ietf.
>
> The goal of this draft is to demonstrate the role of ietf for 5g 
> network slicing in area of transport slices.
>
> Your review and feedback would be greatly appreciated.
>
> Thanks,
>
> Reza Rokui
>
> ﻿On 2019-07-02, 9:30 AM, "internet-drafts@ietf.org" 
> <internet-drafts@ietf.org> wrote:
>
>     A new version of I-D, draft-rokui-5g-transport-slice-00.txt
>
> has been successfully submitted by Reza Rokui and posted to the
>
> IETF repository.
>
>     Name: draft-rokui-5g-transport-slice
>
> Revision: 00
>
> Title:          5G Transport Slice Connectivity Interface
>
> Document date:  2019-07-02
>
> Group:          Individual Submission
>
> Pages:          28
>
>     URL: 
> https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt
>
>     Status: 
> https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/
>
>     Htmlized: 
> https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00
>
>     Htmlized: 
> https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice
>
>     Abstract:
>
> The 5G Network slicing is an approach to provide separate independent
>
> E2E logical network from user equipment (UE) to applications where
>
> each network slice has different SLA requirements.  Each E2E network
>
> slice consists of multitude of RAN-slice, Core-slice and Transport-
>
> slices, each with its own controller.  To provide automation,
>
> assurance and optimization of the network slices, an E2E network
>
> slice controller is needed which interacts with controller in RAN,
>
> Core and Transport slices.  The interfaces between the E2E network
>
> slice controller and RAN and Core controllers are defined in various
>
> 3GPP technical specifications.  However, 3GPP has not defined the
>
> same interface for transport slices.
>
>        The aim of this document is to provide the clarification of this
>
> interface and to provide the information model of this interface for
>
> automation, monitoring and optimization of the transport slices.
>
>     Please note that it may take a couple of minutes from the time of 
> submission
>
> until the htmlized version and diff are available at tools.ietf.org.
>
>     The IETF Secretariat
>
>
> _______________________________________________
> dmm mailing list
> dmm@ietf.org
> https://www.ietf.org/mailman/listinfo/dmm

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<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Hi Reza,</p>
    <p>Thanks for sharing this draft. I'm curious about how to
      bind/associate 3GPP(RAN/Core) slice instance and Transport slice
      instance and section 5.2 of this draft describes as follows:<br>
    </p>
    <p>      o In order to have the connectivity between RAN1 and UPF1,
      the RAN<br>
               and Core slices should be associated to Transport slice.
      This is<br>
               also a by-product of the Transport slice connectivity
      interface<br>
               when <font color="#ff0000">all allocated resources for
        access points (such as allocated<br>
                 VLAN IDs, IP addresses etc) are conveyed to RAN and
        Core Slices.<br>
                 This will be done by cordiantion between transport
        slice<br>
                 controller and E2E network slice controller.</font></p>
    <p>As for this sentences, could you confirm if following procedures
      will be conducted between controllers in order to associate
      independent slice instances or not?<br>
       - E2E Network Slice Controller sends a request on transport slice
      creation to Transport Controller (interface 10 of Fig.2)<br>
       - Transport Controller creates transport slice instance and sends
      access point information(e.g. VLAN ID) to E2E Network Slice
      Controller<br>
       - E2E Network Slice Controller sends a request on access point
      creation/modification to RAN/Core Controller<br>
       - RAN/Core Controller create/modify access point on gNB/UPF
      respectively, which means gNB/UPF starts to attach adequate access
      point information(e.g. VLAN ID) on their user plane packet</p>
    <p>Thanks,<br>
      Takuya Miyasaka<br>
      KDDI Research<br>
    </p>
    <div class="moz-cite-prefix">On 2019/07/02 23:06, Rokui, Reza (Nokia
      - CA/Ottawa) wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:936A6DF3-6AE8-4AD7-94C5-12AD68D9E0E4@nokia.com">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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      <div class="WordSection1">
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black">Hi
            all,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black">This
            is to inform you that the following new draft has been
            submitted to ietf.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black">The
            goal of this draft is to demonstrate the role of ietf for 5g
            network slicing in area of transport slices.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black">Your
            review and feedback would be greatly appreciated.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:10.0pt;font-family:Courier;color:black">Thanks,<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:10.0pt;font-family:Courier" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:10.0pt;font-family:Courier">Reza Rokui
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:10.0pt;font-family:Courier"><o:p> </o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:10.0pt;font-family:Courier" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoPlainText"><span style="font-size:9.0pt"
            lang="EN-US">﻿</span><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">On
            2019-07-02, 9:30 AM, <a class="moz-txt-link-rfc2396E" href="mailto:internet-drafts@ietf.org">"internet-drafts@ietf.org"</a>
            <a class="moz-txt-link-rfc2396E" href="mailto:internet-drafts@ietf.org">&lt;internet-drafts@ietf.org&gt;</a> wrote:<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    A
            new version of I-D, draft-rokui-5g-transport-slice-00.txt<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            has been successfully submitted by Reza Rokui and posted to
            the<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            IETF repository.<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    Name:          
            draft-rokui-5g-transport-slice<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            Revision: 00<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            Title:          5G Transport Slice Connectivity Interface<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            Document date:  2019-07-02<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            Group:          Individual Submission<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            Pages:          28<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:9.0pt;font-family:Courier;color:black"
            lang="EN-US">    URL:            <a
href="https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt"
title="https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt"
              moz-do-not-send="true">https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt</a><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:9.0pt;font-family:Courier;color:black"
            lang="EN-US">    Status:        <span
              class="apple-converted-space"> </span><a
              href="https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/"
title="https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/"
              moz-do-not-send="true">https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/</a><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:9.0pt;font-family:Courier;color:black"
            lang="EN-US">    Htmlized:      <span
              class="apple-converted-space"> </span><a
              href="https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00"
title="https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00"
              moz-do-not-send="true">https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00</a><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:9.0pt;font-family:Courier;color:black"
            lang="EN-US">    Htmlized:      <span
              class="apple-converted-space"> </span><a
href="https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice"
title="https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice"
              moz-do-not-send="true">https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice</a><o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    Abstract:<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            The 5G Network slicing is an approach to provide separate
            independent<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            E2E logical network from user equipment (UE) to applications
            where<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            each network slice has different SLA requirements.  Each E2E
            network<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            slice consists of multitude of RAN-slice, Core-slice and
            Transport-<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            slices, each with its own controller.  To provide
            automation,<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            assurance and optimization of the network slices, an E2E
            network<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            slice controller is needed which interacts with controller
            in RAN,<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            Core and Transport slices.  The interfaces between the E2E
            network<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            slice controller and RAN and Core controllers are defined in
            various<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            3GPP technical specifications.  However, 3GPP has not
            defined the<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            same interface for transport slices.<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">       The
            aim of this document is to provide the clarification of this<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            interface and to provide the information model of this
            interface for<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
            automation, monitoring and optimization of the transport
            slices.<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">                                                                                      <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    Please
            note that it may take a couple of minutes from the time of
            submission<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            until the htmlized version and diff are available at
            tools.ietf.org.<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    The
            IETF Secretariat<o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            <o:p></o:p></span></p>
        <p class="MsoPlainText"><span
            style="font-size:9.0pt;font-family:Courier" lang="EN-US">    <o:p></o:p></span></p>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
dmm mailing list
<a class="moz-txt-link-abbreviated" href="mailto:dmm@ietf.org">dmm@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/dmm">https://www.ietf.org/mailman/listinfo/dmm</a>
</pre>
    </blockquote>
  </body>
</html>

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From: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>
To: Takuya Miyasaka <ta-miyasaka@kddi-research.jp>, "netslices@ietf.org" <netslices@ietf.org>, "rtgwg@ietf.org" <rtgwg@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>
Thread-Topic: [DMM] New Version Notification for draft-rokui-5g-transport-slice-00.txt
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From: "Wubo (lana)" <lana.wubo@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>, "opsawg-chairs@ietf.org" <opsawg-chairs@ietf.org>
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From: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
To: "Douglas Gash (dcmgash)" <dcmgash@cisco.com>, The IESG <iesg@ietf.org>
CC: "draft-ietf-opsawg-tacacs@ietf.org" <draft-ietf-opsawg-tacacs@ietf.org>, "Joe Clarke (jclarke)" <jclarke@cisco.com>, "opsawg-chairs@ietf.org" <opsawg-chairs@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>
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From nobody Fri Jul  5 12:17:38 2019
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From: Dave Thaler <dthaler@microsoft.com>
To: tom petch <ietfc@btconnect.com>, Suresh Krishnan <Suresh@kaloom.com>, int-area <int-area@ietf.org>, 6man <ipv6@ietf.org>, dhcwg <dhcwg@ietf.org>, V6 Ops List <v6ops@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "softwires@ietf.org" <softwires@ietf.org>
Thread-Topic: [Int-area] AD sponsoring draft-thaler-iftype-reg-02
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Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/Dm1rSDTpj1W0C6poiMIsrB2g7KA>
Subject: Re: [OPSAWG] [Int-area] AD sponsoring draft-thaler-iftype-reg-02
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-----Original Message-----
From: dhcwg <dhcwg-bounces@ietf.org> On Behalf Of tom petch
Sent: Friday, June 14, 2019 9:28 AM
To: Suresh Krishnan <Suresh@kaloom.com>; int-area <int-area@ietf.org>; 6man=
 <ipv6@ietf.org>; dhcwg <dhcwg@ietf.org>; V6 Ops List <v6ops@ietf.org>; ops=
awg@ietf.org; softwires@ietf.org
Subject: Re: [dhcwg] [Int-area] AD sponsoring draft-thaler-iftype-reg-02



Suresh



The concern I have is that it muddies the waters further on the standing of=
 tunnels so while I think that its proposals for ifType per se are fine, I =
would like it to make explicit that tunnels are out-of-scope at this time.



Tunnels are certainly not out-of-scope.  There's two existing registries (i=
nterface types and tunnel types), and this draft documents existing registr=
ation process, and some process clarifications to address points of process=
 confusion and ease process friction today.





I have been trying to reconcile the workings of softwire, in creating a tun=
nel YANG module, with the existing IANA structure and failing.  I believe t=
hat is because the current status of tunnels is unclear.  Thus the softwire=
 I-D refers to a registry that does not exist



Yes it does.   The software I-D does not create any new registry.   It only=
 creates another format for retrieving the contents of an existing registry=
.  Many registries are retrievable in multiple formats (XML, excel, txt, et=
c.).   This registry is no different.



What I can do is add a paragraph explaining the use of multiple formats for=
 the interface type and tunnel type registries, to make it clear that each =
format is not a separate registry, just like getting the TCP port registry =
in XML vs excel is not two different registries.



Dave



(as such) although the URL that the softwire I-D does. I think the timing u=
nfortunate in that IMHO the softwires I-D will get pressed ahead before thi=
s work can complete, so quite what this I-D then says about tunnels will be=
 coloured by what then exists for tunnels.



So this I-D should make clear what a tunnel is, when it is not an interface=
, but otherwise declaring tunnels out-of-scope, for a future I-D to do a co=
mparable job for tunnels, setting up a tunnel registry from which MIB modul=
es, YANG modules and anything else can be derived (as long as the relevant =
data is supplied - SMI needs integers, YANG does not, which I-Ds do not alw=
ays recognise although the Designated Experts can take care of that).



Finally, when I first encountered this I-D I asked on NETCONF and NETMOD WG=
 lists if anyone knew of it, where it was being worked on and got no reply =
- which surprised me.  I note that you have not copied them although they w=
ere involved in making the interface type registry what it currently is whe=
n creating the YANG module for interface types.  I wonder if other WG have =
an interest, CCAMP or TEAS perhaps.  I agree that int-area is the WG best e=
quipped to work on it and that it needs working on.



Tom Petch



----- Original Message -----

From: "Suresh Krishnan" <Suresh@kaloom.com<mailto:Suresh@kaloom.com>>

To: "int-area" <int-area@ietf.org<mailto:int-area@ietf.org>>; "6man" <ipv6@=
ietf.org<mailto:ipv6@ietf.org>>; "dhcwg"

<dhcwg@ietf.org<mailto:dhcwg@ietf.org>>; "V6 Ops List" <v6ops@ietf.org<mail=
to:v6ops@ietf.org>>; <opsawg@ietf.org<mailto:opsawg@ietf.org>>; <softwires@=
ietf.org<mailto:softwires@ietf.org>>

Sent: Wednesday, June 12, 2019 7:22 PM



Hi all,

  I would like to AD sponsor the following draft that provides guidelines f=
or definition of new interface types in the IANA IfType registries



https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftools.i=
etf.org%2Fhtml%2Fdraft-thaler-iftype-reg-02&amp;data=3D02%7C01%7Cdthaler%40=
microsoft.com%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af91ab2d7c=
d011db47%7C1%7C0%7C636961265202763707&amp;sdata=3DHM5asXOFnSuzPaCR4k4kopqsI=
HLLdnqZ7PDuu8hPJM4%3D&amp;reserved=3D0



If you have any concerns either with the contents of the draft, or about me=
 AD sponsoring it please let me know before 2019/06/26.



Thanks

Suresh



NOTE: I have CCed: all the working groups that I thought could be potential=
ly interested in this work. If you think I have missed out some WG(s) pleas=
e let me know.







------------------------------------------------------------------------

--------





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> Int-area@ietf.org<mailto:Int-area@ietf.org>

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> ietf.org%2Fmailman%2Flistinfo%2Fint-area&amp;data=3D02%7C01%7Cdthaler%40

> microsoft.com%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af91a

> b2d7cd011db47%7C1%7C0%7C636961265202763707&amp;sdata=3Dznz7EZ1q%2FwIQUJC

> gYZTWfY2H4C7tN6qFhJubCVWxWzc%3D&amp;reserved=3D0

>



_______________________________________________

dhcwg mailing list

dhcwg@ietf.org<mailto:dhcwg@ietf.org>

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7C1%7C0%7C636961265202763707&amp;sdata=3DOJvbRDz%2FCIlVF3hWR30KCs0cRgi9Kmtn=
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<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">-----Original Message-=
----<br>
From: dhcwg &lt;dhcwg-bounces@ietf.org&gt; On Behalf Of tom petch<br>
Sent: Friday, June 14, 2019 9:28 AM<br>
To: Suresh Krishnan &lt;Suresh@kaloom.com&gt;; int-area &lt;int-area@ietf.o=
rg&gt;; 6man &lt;ipv6@ietf.org&gt;; dhcwg &lt;dhcwg@ietf.org&gt;; V6 Ops Li=
st &lt;v6ops@ietf.org&gt;; opsawg@ietf.org; softwires@ietf.org<br>
Subject: Re: [dhcwg] [Int-area] AD sponsoring draft-thaler-iftype-reg-02</p=
>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Suresh<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">The concern I have is =
that it muddies the waters further on the standing of tunnels so while I th=
ink that its proposals for ifType per se are fine, I would like it to make =
explicit that tunnels are out-of-scope
 at this time.<o:p></o:p></p>
<p class=3D"MsoPlainText"><span style=3D"color:black"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span style=3D"color:black">Tunnels are certainly=
 not out-of-scope.&nbsp; There&#8217;s two existing registries (interface t=
ypes and tunnel types), and this draft documents existing registration proc=
ess, and some process clarifications to address
 points of process confusion and ease process friction today.<o:p></o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span style=3D"color:black"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">I have been trying to =
reconcile the workings of softwire, in creating a tunnel YANG module, with =
the existing IANA structure and failing.&nbsp; I believe that is because th=
e current status of tunnels is unclear.&nbsp;
 Thus the softwire I-D refers to a registry that does not exist<o:p></o:p><=
/p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Yes it does.&nbsp;&nbsp; The software I-D does no=
t create any new registry.&nbsp;&nbsp; It only creates another format for r=
etrieving the contents of an existing registry.&nbsp; Many registries are r=
etrievable in multiple formats (XML, excel, txt, etc.).&nbsp;&nbsp; This
 registry is no different.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">What I can do is add a paragraph explaining the u=
se of multiple formats for the interface type and tunnel type registries, t=
o make it clear that each format is not a separate registry, just like gett=
ing the TCP port registry in XML vs
 excel is not two different registries.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Dave<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">(as such) although the=
 URL that the softwire I-D does. I think the timing unfortunate in that IMH=
O the softwires I-D will get pressed ahead before this work can complete, s=
o quite what this I-D then says about
 tunnels will be coloured by what then exists for tunnels.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">So this I-D should mak=
e clear what a tunnel is, when it is not an interface, but otherwise declar=
ing tunnels out-of-scope, for a future I-D to do a comparable job for tunne=
ls, setting up a tunnel registry from
 which MIB modules, YANG modules and anything else can be derived (as long =
as the relevant data is supplied - SMI needs integers, YANG does not, which=
 I-Ds do not always recognise although the Designated Experts can take care=
 of that).<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Finally, when I first =
encountered this I-D I asked on NETCONF and NETMOD WG lists if anyone knew =
of it, where it was being worked on and got no reply - which surprised me.&=
nbsp; I note that you have not copied them
 although they were involved in making the interface type registry what it =
currently is when creating the YANG module for interface types.&nbsp; I won=
der if other WG have an interest, CCAMP or TEAS perhaps.&nbsp; I agree that=
 int-area is the WG best equipped to work
 on it and that it needs working on.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Tom Petch<o:p></o:p></=
p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">----- Original Message -----<o:p></o:p></p>
<p class=3D"MsoPlainText">From: &quot;Suresh Krishnan&quot; &lt;<a href=3D"=
mailto:Suresh@kaloom.com"><span style=3D"color:windowtext;text-decoration:n=
one">Suresh@kaloom.com</span></a>&gt;<o:p></o:p></p>
<p class=3D"MsoPlainText">To: &quot;int-area&quot; &lt;<a href=3D"mailto:in=
t-area@ietf.org"><span style=3D"color:windowtext;text-decoration:none">int-=
area@ietf.org</span></a>&gt;; &quot;6man&quot; &lt;<a href=3D"mailto:ipv6@i=
etf.org"><span style=3D"color:windowtext;text-decoration:none">ipv6@ietf.or=
g</span></a>&gt;;
 &quot;dhcwg&quot;<o:p></o:p></p>
<p class=3D"MsoPlainText">&lt;<a href=3D"mailto:dhcwg@ietf.org"><span style=
=3D"color:windowtext;text-decoration:none">dhcwg@ietf.org</span></a>&gt;; &=
quot;V6 Ops List&quot; &lt;<a href=3D"mailto:v6ops@ietf.org"><span style=3D=
"color:windowtext;text-decoration:none">v6ops@ietf.org</span></a>&gt;;
 &lt;<a href=3D"mailto:opsawg@ietf.org"><span style=3D"color:windowtext;tex=
t-decoration:none">opsawg@ietf.org</span></a>&gt;; &lt;<a href=3D"mailto:so=
ftwires@ietf.org"><span style=3D"color:windowtext;text-decoration:none">sof=
twires@ietf.org</span></a>&gt;<o:p></o:p></p>
<p class=3D"MsoPlainText">Sent: Wednesday, June 12, 2019 7:22 PM<o:p></o:p>=
</p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Hi all,<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp; I would like to AD sponsor the following d=
raft that provides guidelines for definition of new interface types in the =
IANA IfType registries<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://nam06.safelinks.protection.out=
look.com/?url=3Dhttps%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-thaler-iftype-r=
eg-02&amp;amp;data=3D02%7C01%7Cdthaler%40microsoft.com%7Cbd9080f665064f564d=
3608d6f0e55a88%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636961265202763=
707&amp;amp;sdata=3DHM5asXOFnSuzPaCR4k4kopqsIHLLdnqZ7PDuu8hPJM4%3D&amp;amp;=
reserved=3D0"><span style=3D"color:windowtext;text-decoration:none">https:/=
/nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftools.ietf.org=
%2Fhtml%2Fdraft-thaler-iftype-reg-02&amp;amp;data=3D02%7C01%7Cdthaler%40mic=
rosoft.com%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af91ab2d7cd01=
1db47%7C1%7C0%7C636961265202763707&amp;amp;sdata=3DHM5asXOFnSuzPaCR4k4kopqs=
IHLLdnqZ7PDuu8hPJM4%3D&amp;amp;reserved=3D0</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">If you have any concerns either with the contents=
 of the draft, or about me AD sponsoring it please let me know before 2019/=
06/26.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Thanks<o:p></o:p></p>
<p class=3D"MsoPlainText">Suresh<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">NOTE: I have CCed: all the working groups that I =
thought could be potentially interested in this work. If you think I have m=
issed out some WG(s) please let me know.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">-------------------------------------------------=
-----------------------<o:p></o:p></p>
<p class=3D"MsoPlainText">--------<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&gt; ____________________________________________=
___<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; Int-area mailing list<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; <a href=3D"mailto:Int-area@ietf.org"><span s=
tyle=3D"color:windowtext;text-decoration:none">Int-area@ietf.org</span></a>=
<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; <a href=3D"https://nam06.safelinks.protectio=
n.outlook.com/?url=3Dhttps%3A%2F%2Fwww">
<span style=3D"color:windowtext;text-decoration:none">https://nam06.safelin=
ks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww</span></a>.<o:p></o:p></=
p>
<p class=3D"MsoPlainText">&gt; ietf.org%2Fmailman%2Flistinfo%2Fint-area&amp=
;amp;data=3D02%7C01%7Cdthaler%40<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; microsoft.com%7Cbd9080f665064f564d3608d6f0e5=
5a88%7C72f988bf86f141af91a<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; b2d7cd011db47%7C1%7C0%7C636961265202763707&a=
mp;amp;sdata=3Dznz7EZ1q%2FwIQUJC<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; gYZTWfY2H4C7tN6qFhJubCVWxWzc%3D&amp;amp;rese=
rved=3D0<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt;<o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">_______________________________________________<o=
:p></o:p></p>
<p class=3D"MsoPlainText">dhcwg mailing list<o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"mailto:dhcwg@ietf.org"><span style=3D"=
color:windowtext;text-decoration:none">dhcwg@ietf.org</span></a><o:p></o:p>=
</p>
<p class=3D"MsoPlainText"><a href=3D"https://nam06.safelinks.protection.out=
look.com/?url=3Dhttps%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fdhcwg&amp=
;amp;data=3D02%7C01%7Cdthaler%40microsoft.com%7Cbd9080f665064f564d3608d6f0e=
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mp;sdata=3DOJvbRDz%2FCIlVF3hWR30KCs0cRgi9KmtnYLHKbHSeJzc%3D&amp;amp;reserve=
d=3D0"><span style=3D"color:windowtext;text-decoration:none">https://nam06.=
safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.ietf.org%2Fmailma=
n%2Flistinfo%2Fdhcwg&amp;amp;data=3D02%7C01%7Cdthaler%40microsoft.com%7Cbd9=
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To: Tianran Zhou <zhoutianran@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>
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From: Tianran Zhou <zhoutianran@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
CC: OpsAWG Chairs <opsawg-chairs@ietf.org>
Thread-Topic: WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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Subject: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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Hi WG,



This document was presented in Prague. The authors have addressed all the c=
omments and believe it's ready for further working group discussion.

https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02





This email starts a two weeks poll for adoption.

If you support adopting this document please say so, and please give an ind=
ication of why you think it is important. Also please say if you will be wi=
lling to review and help the draft.

If you do not support adopting this document as a starting point for work o=
n this topic, please say why.

This poll will run until 22nd July.



Regards,

Tianran & Joe


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<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hi WG,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">This document was presented =
in Prague. The authors have addressed all the comments and believe it</span=
><span lang=3D"EN-US" style=3D"font-family:&quot;Courier New&quot;">&#8217;=
</span><span lang=3D"EN-US">s ready for further working group
 discussion.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><a href=3D"https://tools.iet=
f.org/html/draft-zheng-opsawg-tacacs-yang-02">https://tools.ietf.org/html/d=
raft-zheng-opsawg-tacacs-yang-02</a><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">This email starts a two week=
s poll for adoption.
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you support adopting this=
 document please say so, and please give an indication of why you think it =
is important. Also please say if you will be willing to review and help the=
 draft.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you do not support adopti=
ng this document as a starting point for work on this topic, please say why=
.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">This poll will run until 22n=
d July.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Regards,<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Tianran &amp; Joe<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

--_000_BBA82579FD347748BEADC4C445EA0F21BEE7AD17NKGEML515MBSchi_--


From nobody Sun Jul  7 01:03:45 2019
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From: Tianran Zhou <zhoutianran@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
CC: OpsAWG Chairs <opsawg-chairs@ietf.org>
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Hi WG,



Accompany with the adoption poll, this mail starts the IPR poll.



Are you aware of any IPR that applies to draft-zheng-opsawg-tacacs-yang-02?



If you own or are aware of any IPR that applies to the draft-zheng-opsawg-t=
acacs-yang-02, please clarify whether this IPR been disclosed in compliance=
 with IETF IPR rules (see RFCs 3979, 4879, 3669 and 5378 for more details).



If you are listed as a document author or contributor please respond to thi=
s email in OPSAWG mailing list regardless of whether or not you are aware o=
f any relevant IPR. The document will not advance to the next stage until a=
 response has been received from each author and contributor.



If you are not listed as an author or contributor but are on OPSAWG mailing=
 list, then please explicitly respond if you are aware of any IPR that has =
not yet been disclosed in conformance with IETF rules.



Thank you for kind support.



Regards,

Tianran & Joe


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To: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>, "netslices@ietf.org" <netslices@ietf.org>, "rtgwg@ietf.org" <rtgwg@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>
References: <156207423989.23780.17141938373911518614.idtracker@ietfa.amsl.com> <936A6DF3-6AE8-4AD7-94C5-12AD68D9E0E4@nokia.com> <f6badc3f-0b2c-f09e-8f97-ab9bd36aaacb@kddi-research.jp> <7ED7381D-AA8B-4C31-AC75-939999730B8F@nokia.com>
From: Takuya Miyasaka <ta-miyasaka@kddi-research.jp>
Message-ID: <f7f0b7e6-21cf-04c6-f0fb-86429a183934@kddi-research.jp>
Date: Mon, 8 Jul 2019 10:07:59 +0900
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Subject: Re: [OPSAWG] [DMM] New Version Notification for draft-rokui-5g-transport-slice-00.txt
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Hi Reza,

Thanks for your response and please see my comments below with [Taku].

Thanks,
Takuya

On 2019/07/04 23:51, Rokui, Reza (Nokia - CA/Ottawa) wrote:
>
> Hi Takuya,
>
> Very good question. The response is inline.
>
> Reza
>
> *From: *Takuya Miyasaka <ta-miyasaka@kddi-research.jp>
> *Date: *Wednesday, July 3, 2019 at 7:54 AM
> *To: *Reza Rokui <reza.rokui@nokia.com>, "netslices@ietf.org" 
> <netslices@ietf.org>, "rtgwg@ietf.org" <rtgwg@ietf.org>, 
> "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, 
> "dmm@ietf.org" <dmm@ietf.org>
> *Subject: *Re: [DMM] New Version Notification for 
> draft-rokui-5g-transport-slice-00.txt
>
> Hi Reza,
>
> Thanks for sharing this draft. I'm curious about how to bind/associate 
> 3GPP(RAN/Core) slice instance and Transport slice instance and section 
> 5.2 of this draft describes as follows:
>
>       o In order to have the connectivity between RAN1 and UPF1, the RAN
>          and Core slices should be associated to Transport slice. This is
>          also a by-product of the Transport slice connectivity interface
>          when all allocated resources for access points (such as allocated
>          VLAN IDs, IP addresses etc) are conveyed to RAN and Core Slices.
>          This will be done by cordiantion between transport slice
>          controller and E2E network slice controller.
>
> As for this sentences, could you confirm if following procedures will 
> be conducted between controllers in order to associate independent 
> slice instances or not?
>  - E2E Network Slice Controller sends a request on transport slice 
> creation to Transport Controller (interface 10 of Fig.2)
>  - Transport Controller creates transport slice instance and sends 
> access point information(e.g. VLAN ID) to E2E Network Slice Controller
>  - E2E Network Slice Controller sends a request on access point 
> creation/modification to RAN/Core Controller
>  - RAN/Core Controller create/modify access point on gNB/UPF 
> respectively, which means gNB/UPF starts to attach adequate access 
> point information(e.g. VLAN ID) on their user plane packet
>
> [Reza] The above procedure is correct but this is one way to implement 
> the binding (aka association) between RAN-Transport slices and 
> Core-Transport slices.
>
[Taku] OK. If such kinds of procedures are taken at Core/RAN Controller, 
it might be better to describe such procedures in Section3.
           We also have to check if these access point information can 
be conveyed at the 3GPP defined interface between E2E Controller and 
Core/RAN Controller.

> There are other ways to implement the binding. For example, the 
> transport slice controller can populate the following two tables 
> dynamically during the transport slice creation, modification or 
> deletion and expose access to this table using open APIs. Then, the 
> RAN/Core network functions or RAN/Core slice controllers can access 
> these APIs to program the VLAN/IP/Labels.
>
>   * RAN-Transport mapping table: Which maps the RAN VLAN/IP
>     address/MPLS Labels etc to network slice
>   * Core-Transport mapping table: Which maps the Core VLAN/IP
>     address/MPLS Labels etc to network slice
>
[Taku] That sounds good.

>  *
>
> Thanks,
> Takuya Miyasaka
> KDDI Research
>
> On 2019/07/02 23:06, Rokui, Reza (Nokia - CA/Ottawa) wrote:
>
>     Hi all,
>
>     This is to inform you that the following new draft has been
>     submitted to ietf.
>
>     The goal of this draft is to demonstrate the role of ietf for 5g
>     network slicing in area of transport slices.
>
>     Your review and feedback would be greatly appreciated.
>
>     Thanks,
>
>     Reza Rokui
>
>     On 2019-07-02, 9:30 AM, "internet-drafts@ietf.org"
>     <mailto:internet-drafts@ietf.org> <internet-drafts@ietf.org>
>     <mailto:internet-drafts@ietf.org> wrote:
>
>         A new version of I-D, draft-rokui-5g-transport-slice-00.txt
>
>     has been successfully submitted by Reza Rokui and posted to the
>
>     IETF repository.
>
>         Name: draft-rokui-5g-transport-slice
>
>     Revision: 00
>
>     Title:          5G Transport Slice Connectivity Interface
>
>     Document date:  2019-07-02
>
>     Group:          Individual Submission
>
>     Pages:          28
>
>         URL:
>     https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt
>
>         Status:
>     https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/
>
>         Htmlized:
>     https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00
>
>         Htmlized:
>     https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice
>
>         Abstract:
>
>     The 5G Network slicing is an approach to provide separate independent
>
>     E2E logical network from user equipment (UE) to applications where
>
>     each network slice has different SLA requirements.  Each E2E network
>
>     slice consists of multitude of RAN-slice, Core-slice and Transport-
>
>     slices, each with its own controller.  To provide automation,
>
>     assurance and optimization of the network slices, an E2E network
>
>     slice controller is needed which interacts with controller in RAN,
>
>     Core and Transport slices.  The interfaces between the E2E network
>
>     slice controller and RAN and Core controllers are defined in various
>
>     3GPP technical specifications.  However, 3GPP has not defined the
>
>     same interface for transport slices.
>
>            The aim of this document is to provide the clarification of
>     this
>
>     interface and to provide the information model of this interface for
>
>     automation, monitoring and optimization of the transport slices.
>
>         Please note that it may take a couple of minutes from the time
>     of submission
>
>     until the htmlized version and diff are available at tools.ietf.org.
>
>         The IETF Secretariat
>
>
>
>     _______________________________________________
>
>     dmm mailing list
>
>     dmm@ietf.org  <mailto:dmm@ietf.org>
>
>     https://www.ietf.org/mailman/listinfo/dmm
>

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    <p>Hi Reza,</p>
    <p>Thanks for your response and please see my comments below with
      [Taku].</p>
    <p>Thanks,<br>
      Takuya<br>
    </p>
    <div class="moz-cite-prefix">On 2019/07/04 23:51, Rokui, Reza (Nokia
      - CA/Ottawa) wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:7ED7381D-AA8B-4C31-AC75-939999730B8F@nokia.com">
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        <p class="MsoNormal"><span
            style="font-size:11.0pt;color:#0432FF" lang="EN-US">Hi
          </span><span style="font-size:11.0pt;color:#0432FF">Takuya,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;color:#0432FF">Very good question.
            The response is inline.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;color:#0432FF"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;color:#0432FF">Reza</span><span
            style="font-size:11.0pt;color:#0432FF" lang="EN-US"><o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
        <div style="border:none;border-top:solid #B5C4DF
          1.0pt;padding:3.0pt 0cm 0cm 0cm">
          <p class="MsoNormal"><b><span style="color:black">From: </span></b><span
              style="color:black">Takuya Miyasaka
              <a class="moz-txt-link-rfc2396E" href="mailto:ta-miyasaka@kddi-research.jp">&lt;ta-miyasaka@kddi-research.jp&gt;</a><br>
              <b>Date: </b>Wednesday, July 3, 2019 at 7:54 AM<br>
              <b>To: </b>Reza Rokui <a class="moz-txt-link-rfc2396E" href="mailto:reza.rokui@nokia.com">&lt;reza.rokui@nokia.com&gt;</a>,
              <a class="moz-txt-link-rfc2396E" href="mailto:netslices@ietf.org">"netslices@ietf.org"</a> <a class="moz-txt-link-rfc2396E" href="mailto:netslices@ietf.org">&lt;netslices@ietf.org&gt;</a>,
              <a class="moz-txt-link-rfc2396E" href="mailto:rtgwg@ietf.org">"rtgwg@ietf.org"</a> <a class="moz-txt-link-rfc2396E" href="mailto:rtgwg@ietf.org">&lt;rtgwg@ietf.org&gt;</a>, <a class="moz-txt-link-rfc2396E" href="mailto:opsawg@ietf.org">"opsawg@ietf.org"</a>
              <a class="moz-txt-link-rfc2396E" href="mailto:opsawg@ietf.org">&lt;opsawg@ietf.org&gt;</a>, <a class="moz-txt-link-rfc2396E" href="mailto:teas@ietf.org">"teas@ietf.org"</a>
              <a class="moz-txt-link-rfc2396E" href="mailto:teas@ietf.org">&lt;teas@ietf.org&gt;</a>, <a class="moz-txt-link-rfc2396E" href="mailto:dmm@ietf.org">"dmm@ietf.org"</a> <a class="moz-txt-link-rfc2396E" href="mailto:dmm@ietf.org">&lt;dmm@ietf.org&gt;</a><br>
              <b>Subject: </b>Re: [DMM] New Version Notification for
              draft-rokui-5g-transport-slice-00.txt<o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
        </div>
        <p>Hi Reza,<o:p></o:p></p>
        <p>Thanks for sharing this draft. I'm curious about how to
          bind/associate 3GPP(RAN/Core) slice instance and Transport
          slice instance and section 5.2 of this draft describes as
          follows:<o:p></o:p></p>
        <p>      o In order to have the connectivity between RAN1 and
          UPF1, the RAN<br>
                   and Core slices should be associated to Transport
          slice. This is<br>
                   also a by-product of the Transport slice connectivity
          interface<br>
                   when <span style="color:red">all allocated resources
            for access points (such as allocated<br>
                     VLAN IDs, IP addresses etc) are conveyed to RAN and
            Core Slices.<br>
                     This will be done by cordiantion between transport
            slice<br>
                     controller and E2E network slice controller.</span><o:p></o:p></p>
        <p>As for this sentences, could you confirm if following
          procedures will be conducted between controllers in order to
          associate independent slice instances or not?<br>
           - E2E Network Slice Controller sends a request on transport
          slice creation to Transport Controller (interface 10 of Fig.2)<br>
           - Transport Controller creates transport slice instance and
          sends access point information(e.g. VLAN ID) to E2E Network
          Slice Controller<br>
           - E2E Network Slice Controller sends a request on access
          point creation/modification to RAN/Core Controller<br>
           - RAN/Core Controller create/modify access point on gNB/UPF
          respectively, which means gNB/UPF starts to attach adequate
          access point information(e.g. VLAN ID) on their user plane
          packet<o:p></o:p></p>
        <p><span style="color:#0432FF">[Reza] The above procedure is
            correct but this is one way to implement the binding (aka
            association) between RAN-Transport slices and Core-Transport
            slices.
          </span></p>
      </div>
    </blockquote>
    <p>[Taku] OK. If such kinds of procedures are taken at Core/RAN
      Controller, it might be better to describe such procedures in
      Section3.<br>
                We also have to check if these access point information
      can be conveyed at the 3GPP defined interface between E2E
      Controller and Core/RAN Controller.<br>
    </p>
    <blockquote type="cite"
      cite="mid:7ED7381D-AA8B-4C31-AC75-939999730B8F@nokia.com">
      <div class="WordSection1">
        <p><span style="color:#0432FF"><o:p></o:p></span></p>
        <p><span style="color:#0432FF">There are other ways to implement
            the binding. For example, the transport slice controller can
            populate the following two tables dynamically during the
            transport slice creation, modification or deletion and
            expose access to this table using open APIs. Then, the
            RAN/Core network functions or RAN/Core slice controllers can
            access these APIs to program the VLAN/IP/Labels.<o:p></o:p></span></p>
        <ul type="disc">
          <li style="color:#0432FF;mso-list:l0 level1 lfo1">RAN-Transport
            mapping table: Which maps the RAN VLAN/IP address/MPLS
            Labels etc to network slice<o:p></o:p></li>
          <li style="color:#0432FF;mso-list:l0 level1 lfo1">Core-Transport
            mapping table: Which maps the Core VLAN/IP address/MPLS
            Labels etc to network slice</li>
        </ul>
      </div>
    </blockquote>
    <p>[Taku] That sounds good.<br>
    </p>
    <blockquote type="cite"
      cite="mid:7ED7381D-AA8B-4C31-AC75-939999730B8F@nokia.com">
      <div class="WordSection1">
        <ul type="disc">
          <li style="color:#0432FF;mso-list:l0 level1 lfo1"><o:p></o:p></li>
        </ul>
        <p><span style="color:#0432FF"><o:p> </o:p></span></p>
        <p>Thanks,<br>
          Takuya Miyasaka<br>
          KDDI Research<o:p></o:p></p>
        <div>
          <p class="MsoNormal">On 2019/07/02 23:06, Rokui, Reza (Nokia -
            CA/Ottawa) wrote:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black">Hi
              all,</span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black"> </span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black">This
              is to inform you that the following new draft has been
              submitted to ietf.</span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black">The
              goal of this draft is to demonstrate the role of ietf for
              5g network slicing in area of transport slices.</span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black"> </span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black">Your
              review and feedback would be greatly appreciated.</span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black"> </span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.0pt;font-family:Courier;color:black">Thanks,</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:10.0pt;font-family:Courier" lang="EN-US"> </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:10.0pt;font-family:Courier">Reza Rokui
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:10.0pt;font-family:Courier"> </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:10.0pt;font-family:Courier" lang="EN-US"> </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US"> </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">On
              2019-07-02, 9:30 AM,
              <a href="mailto:internet-drafts@ietf.org"
                moz-do-not-send="true">"internet-drafts@ietf.org"</a> <a
                href="mailto:internet-drafts@ietf.org"
                moz-do-not-send="true">
                &lt;internet-drafts@ietf.org&gt;</a> wrote:</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US"> </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    A
              new version of I-D, draft-rokui-5g-transport-slice-00.txt</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              has been successfully submitted by Reza Rokui and posted
              to the</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              IETF repository.</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    Name:          
              draft-rokui-5g-transport-slice</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              Revision: 00</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              Title:          5G Transport Slice Connectivity Interface</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              Document date:  2019-07-02</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              Group:          Individual Submission</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              Pages:          28</span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:9.0pt;font-family:Courier;color:black"
              lang="EN-US">    URL:            <a
href="https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt"
title="https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt"
                moz-do-not-send="true">https://www.ietf.org/internet-drafts/draft-rokui-5g-transport-slice-00.txt</a></span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:9.0pt;font-family:Courier;color:black"
              lang="EN-US">    Status:        <span
                class="apple-converted-space"> </span><a
                href="https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/"
title="https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/"
                moz-do-not-send="true">https://datatracker.ietf.org/doc/draft-rokui-5g-transport-slice/</a></span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:9.0pt;font-family:Courier;color:black"
              lang="EN-US">    Htmlized:      <span
                class="apple-converted-space"> </span><a
                href="https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00"
title="https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00"
                moz-do-not-send="true">https://tools.ietf.org/html/draft-rokui-5g-transport-slice-00</a></span><o:p></o:p></p>
          <p class="MsoNormal"><span
              style="font-size:9.0pt;font-family:Courier;color:black"
              lang="EN-US">    Htmlized:      <span
                class="apple-converted-space"> </span><a
href="https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice"
title="https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice"
                moz-do-not-send="true">https://datatracker.ietf.org/doc/html/draft-rokui-5g-transport-slice</a></span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    Abstract:</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              The 5G Network slicing is an approach to provide separate
              independent</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              E2E logical network from user equipment (UE) to
              applications where</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              each network slice has different SLA requirements.  Each
              E2E network</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              slice consists of multitude of RAN-slice, Core-slice and
              Transport-</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              slices, each with its own controller.  To provide
              automation,</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              assurance and optimization of the network slices, an E2E
              network</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              slice controller is needed which interacts with controller
              in RAN,</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              Core and Transport slices.  The interfaces between the E2E
              network</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              slice controller and RAN and Core controllers are defined
              in various</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              3GPP technical specifications.  However, 3GPP has not
              defined the</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              same interface for transport slices.</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">       The
              aim of this document is to provide the clarification of
              this</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              interface and to provide the information model of this
              interface for</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">      
              automation, monitoring and optimization of the transport
              slices.</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">                                                                                      </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    Please
              note that it may take a couple of minutes from the time of
              submission</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
              until the htmlized version and diff are available at
              tools.ietf.org.</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    The
              IETF Secretariat</span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">   
            </span><o:p></o:p></p>
          <p class="MsoPlainText"><span
              style="font-size:9.0pt;font-family:Courier" lang="EN-US">    </span><o:p></o:p></p>
          <p class="MsoNormal"><span style="font-size:11.0pt"><br>
              <br>
              <o:p></o:p></span></p>
          <pre>_______________________________________________<o:p></o:p></pre>
          <pre>dmm mailing list<o:p></o:p></pre>
          <pre><a href="mailto:dmm@ietf.org" moz-do-not-send="true">dmm@ietf.org</a><o:p></o:p></pre>
          <pre><a href="https://www.ietf.org/mailman/listinfo/dmm" moz-do-not-send="true">https://www.ietf.org/mailman/listinfo/dmm</a><o:p></o:p></pre>
        </blockquote>
      </div>
    </blockquote>
  </body>
</html>

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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D">As a =
co-author, I am not aware of any IPR associated with this draft.<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D"><o:p>=
&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D">Thank=
s,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D">Bo<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D"><o:p>=
&nbsp;</o:p></span></p>
<div>
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0cm 0cm">
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><b><span la=
ng=3D"ZH-CN" style=3D"font-size:11.0pt;font-family:&quot;=CE=A2=C8=ED=D1=C5=
=BA=DA&quot;,sans-serif">=B7=A2=BC=FE=C8=CB</span></b><b><span style=3D"fon=
t-size:11.0pt;font-family:&quot;=CE=A2=C8=ED=D1=C5=BA=DA&quot;,sans-serif">=
:</span></b><span style=3D"font-size:11.0pt;font-family:&quot;=CE=A2=C8=ED=
=D1=C5=BA=DA&quot;,sans-serif">
 OPSAWG [mailto:opsawg-bounces@ietf.org] <b><span lang=3D"ZH-CN">=B4=FA=B1=
=ED </span></b>Tianran Zhou<br>
<b><span lang=3D"ZH-CN">=B7=A2=CB=CD=CA=B1=BC=E4</span>:</b> 2019<span lang=
=3D"ZH-CN">=C4=EA</span>7<span lang=3D"ZH-CN">=D4=C2</span>7<span lang=3D"Z=
H-CN">=C8=D5</span> 16:04<br>
<b><span lang=3D"ZH-CN">=CA=D5=BC=FE=C8=CB</span>:</b> opsawg@ietf.org<br>
<b><span lang=3D"ZH-CN">=B3=AD=CB=CD</span>:</b> OpsAWG Chairs &lt;opsawg-c=
hairs@ietf.org&gt;<br>
<b><span lang=3D"ZH-CN">=D6=F7=CC=E2</span>:</b> [OPSAWG] IPR poll on draft=
-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><o:p>&nbsp;=
</o:p></p>
<p class=3D"MsoPlainText">Hi WG,<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Accompany with the adoption poll, this mail start=
s the IPR poll.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Are you aware of any IPR that applies to draft-zh=
eng-opsawg-tacacs-yang-02?<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">If you own or are aware of any IPR that applies t=
o the draft-zheng-opsawg-tacacs-yang-02, please clarify whether this IPR be=
en disclosed in compliance with IETF IPR rules (see RFCs 3979, 4879, 3669 a=
nd 5378 for more details).<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">If you are listed as a document author or contrib=
utor please respond to this email in OPSAWG mailing list regardless of whet=
her or not you are aware of any relevant IPR. The document will not advance=
 to the next stage until a response
 has been received from each author and contributor.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">If you are not listed as an author or contributor=
 but are on OPSAWG mailing list, then please explicitly respond if you are =
aware of any IPR that has not yet been disclosed in conformance with IETF r=
ules.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Thank you for kind support.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Regards,<o:p></o:p></p>
<p class=3D"MsoPlainText">Tianran &amp; Joe<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
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To: Tianran Zhou <zhoutianran@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>
CC: OpsAWG Chairs <opsawg-chairs@ietf.org>
Thread-Topic: WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D">Suppo=
rt as a co-author.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D"><o:p>=
&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D">Thank=
s,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D">Bo<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;color:#1F497D"><o:p>=
&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><b><span la=
ng=3D"ZH-CN" style=3D"font-size:11.0pt;font-family:&quot;=CE=A2=C8=ED=D1=C5=
=BA=DA&quot;,sans-serif">=B7=A2=BC=FE=C8=CB</span></b><b><span style=3D"fon=
t-size:11.0pt;font-family:&quot;=CE=A2=C8=ED=D1=C5=BA=DA&quot;,sans-serif">=
:</span></b><span style=3D"font-size:11.0pt;font-family:&quot;=CE=A2=C8=ED=
=D1=C5=BA=DA&quot;,sans-serif">
 OPSAWG [mailto:opsawg-bounces@ietf.org] <b><span lang=3D"ZH-CN">=B4=FA=B1=
=ED </span></b>Tianran Zhou<br>
<b><span lang=3D"ZH-CN">=B7=A2=CB=CD=CA=B1=BC=E4</span>:</b> 2019<span lang=
=3D"ZH-CN">=C4=EA</span>7<span lang=3D"ZH-CN">=D4=C2</span>7<span lang=3D"Z=
H-CN">=C8=D5</span> 15:59<br>
<b><span lang=3D"ZH-CN">=CA=D5=BC=FE=C8=CB</span>:</b> opsawg@ietf.org<br>
<b><span lang=3D"ZH-CN">=B3=AD=CB=CD</span>:</b> OpsAWG Chairs &lt;opsawg-c=
hairs@ietf.org&gt;<br>
<b><span lang=3D"ZH-CN">=D6=F7=CC=E2</span>:</b> [OPSAWG] WG adoption poll =
for draft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><o:p>&nbsp;=
</o:p></p>
<p class=3D"MsoPlainText">Hi WG,<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">This document was presented in Prague. The author=
s have addressed all the comments and believe it<span style=3D"font-family:=
&quot;Courier New&quot;">=A1=AF</span>s ready for further working group dis=
cussion.<o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://tools.ietf.org/html/draft-zhen=
g-opsawg-tacacs-yang-02">https://tools.ietf.org/html/draft-zheng-opsawg-tac=
acs-yang-02</a><o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">This email starts a two weeks poll for adoption. =
<o:p></o:p></p>
<p class=3D"MsoPlainText">If you support adopting this document please say =
so, and please give an indication of why you think it is important. Also pl=
ease say if you will be willing to review and help the draft.<o:p></o:p></p=
>
<p class=3D"MsoPlainText">If you do not support adopting this document as a=
 starting point for work on this topic, please say why..<o:p></o:p></p>
<p class=3D"MsoPlainText">This poll will run until 22nd July.<o:p></o:p></p=
>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Regards,<o:p></o:p></p>
<p class=3D"MsoPlainText">Tianran &amp; Joe<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

--_000_e26e01670b0f41b5a1c533696773bb2chuaweicom_--


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From: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>
To: Takuya Miyasaka <ta-miyasaka@kddi-research.jp>, "netslices@ietf.org" <netslices@ietf.org>, "rtgwg@ietf.org" <rtgwg@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>
Thread-Topic: [DMM] New Version Notification for draft-rokui-5g-transport-slice-00.txt
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From: Eliot Lear <lear@cisco.com>
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Date: Mon, 8 Jul 2019 14:12:41 +0200
In-Reply-To: <BBA82579FD347748BEADC4C445EA0F21BEE7AD17@NKGEML515-MBS.china.huawei.com>
Cc: "opsawg@ietf.org" <opsawg@ietf.org>, OpsAWG Chairs <opsawg-chairs@ietf.org>
To: Tianran Zhou <zhoutianran@huawei.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/2mRkaXy5M9XCPp4_wXNpQd9GLdk>
Subject: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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Hi Tianran,

I have two concerns about this draft.  First is the intended status of =
this document.  It currently calls out draft-ietf-opsawg-tacacs as an =
informational reference.  I think the question here is really whether =
this draft should also be informational.  As a practical matter you =
really do need to have implemented the other draft for this one to be =
implemented.  And that means that really it should be a normative =
reference.  But it would be a downref.  To address this, I suggest just =
making this document an informational draft, rather than targeting for =
standards, and make the reference normative.

In addition, I have another question.  Is there interest or appetite for =
creating a standardized and more version of T+?  If so, is the timing of =
a standardized YANG model appropriate?

Eliot


> On 7 Jul 2019, at 09:58, Tianran Zhou <zhoutianran@huawei.com> wrote:
>=20
> Hi WG,
>=20
> This document was presented in Prague. The authors have addressed all =
the comments and believe it=E2=80=99s ready for further working group =
discussion.
> https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02 =
<https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02>
>=20
>=20
> This email starts a two weeks poll for adoption.
> If you support adopting this document please say so, and please give =
an indication of why you think it is important. Also please say if you =
will be willing to review and help the draft.
> If you do not support adopting this document as a starting point for =
work on this topic, please say why..
> This poll will run until 22nd July.
>=20
> Regards,
> Tianran & Joe
>=20
> _______________________________________________
> OPSAWG mailing list
> OPSAWG@ietf.org <mailto:OPSAWG@ietf.org>
> https://www.ietf.org/mailman/listinfo/opsawg =
<https://www.ietf.org/mailman/listinfo/opsawg>

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Hi =
Tianran,<div class=3D""><br class=3D""></div><div class=3D"">I have two =
concerns about this draft. &nbsp;First is the intended status of this =
document. &nbsp;It currently calls out draft-ietf-opsawg-tacacs as an =
informational reference. &nbsp;I think the question here is really =
whether this draft should also be informational. &nbsp;As a practical =
matter you really do need to have implemented the other draft for this =
one to be implemented. &nbsp;And that means that really it should be a =
normative reference. &nbsp;But it would be a downref. &nbsp;To address =
this, I suggest just making this document an informational draft, rather =
than targeting for standards, and make the reference =
normative.</div><div class=3D""><br class=3D""></div><div class=3D"">In =
addition, I have another question. &nbsp;Is there interest or appetite =
for creating a standardized and more version of T+? &nbsp;If so, is the =
timing of a standardized YANG model appropriate?</div><div class=3D""><br =
class=3D""></div><div class=3D"">Eliot</div><div class=3D""><br =
class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On 7 Jul 2019, at 09:58, Tianran Zhou &lt;<a =
href=3D"mailto:zhoutianran@huawei.com" =
class=3D"">zhoutianran@huawei.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; caret-color: rgb(0, =
0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 10.5pt; font-family: Calibri, sans-serif;" class=3D""><span =
lang=3D"EN-US" class=3D"">Hi WG,<o:p class=3D""></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10.5pt; font-family: =
Calibri, sans-serif;" class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D"">This document was presented =
in Prague. The authors have addressed all the comments and believe =
it</span><span lang=3D"EN-US" style=3D"font-family: &quot;Courier =
New&quot;;" class=3D"">=E2=80=99</span><span lang=3D"EN-US" class=3D"">s =
ready for further working group discussion.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 10.5pt; font-family: Calibri, sans-serif;" class=3D""><span =
lang=3D"EN-US" class=3D""><a =
href=3D"https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02" =
style=3D"color: rgb(149, 79, 114); text-decoration: underline;" =
class=3D"">https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02</=
a><o:p class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D"">This email starts a two weeks =
poll for adoption.<o:p class=3D""></o:p></span></div><div style=3D"margin:=
 0cm 0cm 0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D"">If you support adopting this =
document please say so, and please give an indication of why you think =
it is important. Also please say if you will be willing to review and =
help the draft.<o:p class=3D""></o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D"">If you do not support =
adopting this document as a starting point for work on this topic, =
please say why..<o:p class=3D""></o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D"">This poll will run until 22nd =
July.<o:p class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 10.5pt; font-family: Calibri, sans-serif;" =
class=3D""><span lang=3D"EN-US" class=3D"">Regards,<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 10.5pt; font-family: Calibri, sans-serif;" class=3D""><span =
lang=3D"EN-US" class=3D"">Tianran &amp; Joe<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
text-align: justify; font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D""><span lang=3D"EN-US" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><span style=3D"caret-color: =
rgb(0, 0, 0); font-family: Helvetica; font-size: 16px; font-style: =
normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
normal; text-align: start; text-indent: 0px; text-transform: none; =
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">_______________________________________________</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
16px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
16px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">OPSAWG mailing list</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
16px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><a =
href=3D"mailto:OPSAWG@ietf.org" style=3D"color: rgb(149, 79, 114); =
text-decoration: underline; font-family: Helvetica; font-size: 16px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; orphans: auto; text-align: start; text-indent: =
0px; text-transform: none; white-space: normal; widows: auto; =
word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px;" class=3D"">OPSAWG@ietf.org</a><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
16px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><a =
href=3D"https://www.ietf.org/mailman/listinfo/opsawg" style=3D"color: =
rgb(149, 79, 114); text-decoration: underline; font-family: Helvetica; =
font-size: 16px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; orphans: auto; text-align: =
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widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px;" =
class=3D"">https://www.ietf.org/mailman/listinfo/opsawg</a></div></blockqu=
ote></div><br class=3D""></div></body></html>=

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From nobody Mon Jul  8 07:03:38 2019
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From: tirumal reddy <kondtir@gmail.com>
Date: Mon, 8 Jul 2019 19:33:03 +0530
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Subject: [OPSAWG] Fwd: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
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This draft https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00
discusses Manufacturer Usage Description (MUD) extension to model (D)TLS
profile on IoT devices. This allows a firewall to notice abnormal DTLS or
TLS usage, which has been a strong indicator of other software running on
the endpoint, typically malware.


Comments, suggestions, and questions are more than welcome.

Cheers,
-Tiru


---------- Forwarded message ---------
From: <internet-drafts@ietf.org>
Date: Mon, 8 Jul 2019 at 19:18
Subject: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
To: Tirumaleswar Reddy <kondtir@gmail.com>, Dan Wing <danwing@gmail.com>



A new version of I-D, draft-reddy-opswg-mud-tls-00.txt
has been successfully submitted by Tirumaleswar Reddy and posted to the
IETF repository.

Name:           draft-reddy-opswg-mud-tls
Revision:       00
Title:          MUD (D)TLS profiles for IoT devices
Document date:  2019-07-08
Group:          Individual Submission
Pages:          16
URL:
https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-00.txt
Status:         https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/
Htmlized:       https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00
Htmlized:
https://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls


Abstract:
   This memo extends Manufacturer Usage Description (MUD) to model DTLS
   and TLS usage.  This allows a network element to notice abnormal DTLS
   or TLS usage which has been strong indicator of other software
   running on the endpoint, typically malware.




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

The IETF Secretariat

--000000000000ba6116058d2be7a7
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<div dir=3D"ltr"><p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt;fo=
nt-size:11pt;font-family:Calibri,sans-serif">This draft <a href=3D"https://=
tools.ietf.org/html/draft-reddy-opswg-mud-tls-00">https://tools.ietf.org/ht=
ml/draft-reddy-opswg-mud-tls-00</a> discusses Manufacturer Usage Descriptio=
n (MUD) extension to model (D)TLS profile on IoT devices. This allows a fir=
ewall to notice abnormal DTLS or TLS usage, which has been a strong indicat=
or of other software running on the endpoint, typically malware.=C2=A0</p><=
p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt;font-size:11pt;font-=
family:Calibri,sans-serif"><br>Comments, suggestions, and questions are mor=
e than welcome.<br><br>Cheers,<br>-Tiru<br></p><p class=3D"MsoNormal" style=
=3D"margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">=
<br></p><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">--=
-------- Forwarded message ---------<br>From: <span dir=3D"auto">&lt;<a hre=
f=3D"mailto:internet-drafts@ietf.org">internet-drafts@ietf.org</a>&gt;</spa=
n><br>Date: Mon, 8 Jul 2019 at 19:18<br>Subject: New Version Notification f=
or draft-reddy-opswg-mud-tls-00.txt<br>To: Tirumaleswar Reddy &lt;<a href=
=3D"mailto:kondtir@gmail.com">kondtir@gmail.com</a>&gt;, Dan Wing &lt;<a hr=
ef=3D"mailto:danwing@gmail.com">danwing@gmail.com</a>&gt;<br></div><br><br>=
<br>
A new version of I-D, draft-reddy-opswg-mud-tls-00.txt<br>
has been successfully submitted by Tirumaleswar Reddy and posted to the<br>
IETF repository.<br>
<br>
Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-reddy-opswg-mud-tls<br>
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A000<br>
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 MUD (D)TLS profiles for IoT device=
s<br>
Document date:=C2=A0 2019-07-08<br>
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Individual Submission<br>
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 16<br>
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://www.ietf.o=
rg/internet-drafts/draft-reddy-opswg-mud-tls-00.txt" rel=3D"noreferrer" tar=
get=3D"_blank">https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-t=
ls-00.txt</a><br>
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.iet=
f.org/doc/draft-reddy-opswg-mud-tls/" rel=3D"noreferrer" target=3D"_blank">=
https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/=
draft-reddy-opswg-mud-tls-00" rel=3D"noreferrer" target=3D"_blank">https://=
tools.ietf.org/html/draft-reddy-opswg-mud-tls-00</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org=
/doc/html/draft-reddy-opswg-mud-tls" rel=3D"noreferrer" target=3D"_blank">h=
ttps://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls</a><br>
<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This memo extends Manufacturer Usage Description (MUD) to mode=
l DTLS<br>
=C2=A0 =C2=A0and TLS usage.=C2=A0 This allows a network element to notice a=
bnormal DTLS<br>
=C2=A0 =C2=A0or TLS usage which has been strong indicator of other software=
<br>
=C2=A0 =C2=A0running on the endpoint, typically malware.<br>
<br>
<br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" rel=3D"noreferrer" target=3D"_blank">tools.ietf.org</a>.<br>
<br>
The IETF Secretariat<br>
<br>
</div></div>

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To: tirumal reddy <kondtir@gmail.com>
References: <156259372138.1051.8615205410511124401.idtracker@ietfa.amsl.com> <CAFpG3gccU3C905xC+kB0HhfVVMr=mDzh60RvD1Va0cz3X+nnAA@mail.gmail.com>
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Subject: Re: [OPSAWG] [Mud] New Version Notification for draft-reddy-opswg-mud-tls-00.txt
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I think this is a pretty cool idea.  You should talk about it if you can =
make the side meeting, or otherwise if you can get time at opsawg.

Eliot

> On 8 Jul 2019, at 16:03, tirumal reddy <kondtir@gmail.com> wrote:
>=20
> This draft https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00 =
<https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00> discusses =
Manufacturer Usage Description (MUD) extension to model (D)TLS profile =
on IoT devices. This allows a firewall to notice abnormal DTLS or TLS =
usage, which has been a strong indicator of other software running on =
the endpoint, typically malware.
>=20
> Comments, suggestions, and questions are more than welcome.
>=20
> Cheers,
> -Tiru
>=20
> ---------- Forwarded message ---------
> From: <internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>>
> Date: Mon, 8 Jul 2019 at 19:18
> Subject: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
> To: Tirumaleswar Reddy <kondtir@gmail.com <mailto:kondtir@gmail.com>>, =
Dan Wing <danwing@gmail.com <mailto:danwing@gmail.com>>
>=20
>=20
>=20
> A new version of I-D, draft-reddy-opswg-mud-tls-00.txt
> has been successfully submitted by Tirumaleswar Reddy and posted to =
the
> IETF repository.
>=20
> Name:           draft-reddy-opswg-mud-tls
> Revision:       00
> Title:          MUD (D)TLS profiles for IoT devices
> Document date:  2019-07-08
> Group:          Individual Submission
> Pages:          16
> URL:            =
https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-00.txt =
<https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-00.txt>
> Status:         =
https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/ =
<https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/>
> Htmlized:       =
https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00 =
<https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00>
> Htmlized:       =
https://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls =
<https://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls>
>=20
>=20
> Abstract:
>    This memo extends Manufacturer Usage Description (MUD) to model =
DTLS
>    and TLS usage.  This allows a network element to notice abnormal =
DTLS
>    or TLS usage which has been strong indicator of other software
>    running on the endpoint, typically malware.
>=20
>=20
>=20
>=20
> 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 =
<http://tools.ietf.org/>.
>=20
> The IETF Secretariat
>=20
> --
> Mud mailing list
> Mud@ietf.org
> https://www.ietf.org/mailman/listinfo/mud


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">I =
think this is a pretty cool idea. &nbsp;You should talk about it if you =
can make the side meeting, or otherwise if you can get time at =
opsawg.<div class=3D""><br class=3D""></div><div class=3D"">Eliot<br =
class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On 8 Jul 2019, at 16:03, tirumal reddy &lt;<a =
href=3D"mailto:kondtir@gmail.com" class=3D"">kondtir@gmail.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><meta =
http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8" =
class=3D""><div dir=3D"ltr" class=3D""><div style=3D"margin: 0in 0in =
0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" =
class=3D"">This draft <a =
href=3D"https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00" =
class=3D"">https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00</a> =
discusses Manufacturer Usage Description (MUD) extension to model (D)TLS =
profile on IoT devices. This allows a firewall to notice abnormal DTLS =
or TLS usage, which has been a strong indicator of other software =
running on the endpoint, typically malware.&nbsp;</div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: =
Calibri, sans-serif;" class=3D""><br class=3D"">Comments, suggestions, =
and questions are more than welcome.<br class=3D""><br =
class=3D"">Cheers,<br class=3D"">-Tiru<br class=3D""></div><div =
style=3D"margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: =
Calibri, sans-serif;" class=3D""><br class=3D""></div><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">---------- =
Forwarded message ---------<br class=3D"">From: <span dir=3D"auto" =
class=3D"">&lt;<a href=3D"mailto:internet-drafts@ietf.org" =
class=3D"">internet-drafts@ietf.org</a>&gt;</span><br class=3D"">Date: =
Mon, 8 Jul 2019 at 19:18<br class=3D"">Subject: New Version Notification =
for draft-reddy-opswg-mud-tls-00.txt<br class=3D"">To: Tirumaleswar =
Reddy &lt;<a href=3D"mailto:kondtir@gmail.com" =
class=3D"">kondtir@gmail.com</a>&gt;, Dan Wing &lt;<a =
href=3D"mailto:danwing@gmail.com" class=3D"">danwing@gmail.com</a>&gt;<br =
class=3D""></div><br class=3D""><br class=3D""><br class=3D"">
A new version of I-D, draft-reddy-opswg-mud-tls-00.txt<br class=3D"">
has been successfully submitted by Tirumaleswar Reddy and posted to =
the<br class=3D"">
IETF repository.<br class=3D"">
<br class=3D"">
Name:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;draft-reddy-opswg-mud-tls<br class=3D"">
Revision:&nbsp; &nbsp; &nbsp; &nbsp;00<br class=3D"">
Title:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MUD (D)TLS profiles for IoT =
devices<br class=3D"">
Document date:&nbsp; 2019-07-08<br class=3D"">
Group:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Individual Submission<br =
class=3D"">
Pages:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 16<br class=3D"">
URL:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <a =
href=3D"https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-00.=
txt" rel=3D"noreferrer" target=3D"_blank" =
class=3D"">https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-=
00.txt</a><br class=3D"">
Status:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a =
href=3D"https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/" =
rel=3D"noreferrer" target=3D"_blank" =
class=3D"">https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/</a>=
<br class=3D"">
Htmlized:&nbsp; &nbsp; &nbsp; &nbsp;<a =
href=3D"https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00" =
rel=3D"noreferrer" target=3D"_blank" =
class=3D"">https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00</a><br=
 class=3D"">
Htmlized:&nbsp; &nbsp; &nbsp; &nbsp;<a =
href=3D"https://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls" =
rel=3D"noreferrer" target=3D"_blank" =
class=3D"">https://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls=
</a><br class=3D"">
<br class=3D"">
<br class=3D"">
Abstract:<br class=3D"">
&nbsp; &nbsp;This memo extends Manufacturer Usage Description (MUD) to =
model DTLS<br class=3D"">
&nbsp; &nbsp;and TLS usage.&nbsp; This allows a network element to =
notice abnormal DTLS<br class=3D"">
&nbsp; &nbsp;or TLS usage which has been strong indicator of other =
software<br class=3D"">
&nbsp; &nbsp;running on the endpoint, typically malware.<br class=3D"">
<br class=3D"">
<br class=3D"">
<br class=3D"">
<br class=3D"">
Please note that it may take a couple of minutes from the time of =
submission<br class=3D"">
until the htmlized version and diff are available at <a =
href=3D"http://tools.ietf.org/" rel=3D"noreferrer" target=3D"_blank" =
class=3D"">tools.ietf.org</a>.<br class=3D"">
<br class=3D"">
The IETF Secretariat<br class=3D"">
<br class=3D"">
</div></div>
-- <br class=3D"">Mud mailing list<br class=3D""><a =
href=3D"mailto:Mud@ietf.org" class=3D"">Mud@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/mud<br =
class=3D""></div></blockquote></div><br class=3D""></div></body></html>=

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From: Dave Thaler <dthaler@microsoft.com>
To: Dave Thaler <dthaler=40microsoft.com@dmarc.ietf.org>, Suresh Krishnan <Suresh@kaloom.com>, int-area <int-area@ietf.org>, 6man <ipv6@ietf.org>, dhcwg <dhcwg@ietf.org>, V6 Ops List <v6ops@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "softwires@ietf.org" <softwires@ietf.org>
Thread-Topic: [Int-area] AD sponsoring draft-thaler-iftype-reg-02
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Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/JGEshS8bEO_KvHssZGJjY-B3hWk>
Subject: Re: [OPSAWG] [Int-area] AD sponsoring draft-thaler-iftype-reg-02
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FYI, draft-thaler-iftype-reg-04 is now posted and incorporates changes base=
d on
feedback from Med, Tom, Suresh, and others.

Diffs from -02 can be seen at
https://tools.ietf.org/rfcdiff?url1=3Ddraft-thaler-iftype-reg-02.txt&url2=
=3Ddraft-thaler-iftype-reg-04.txt

Dave

From: Softwires <softwires-bounces@ietf.org> On Behalf Of Dave Thaler
Sent: Friday, July 5, 2019 12:17 PM
To: tom petch <ietfc@btconnect.com>; Suresh Krishnan <Suresh@kaloom.com>; i=
nt-area <int-area@ietf.org>; 6man <ipv6@ietf.org>; dhcwg <dhcwg@ietf.org>; =
V6 Ops List <v6ops@ietf.org>; opsawg@ietf.org; softwires@ietf.org
Subject: Re: [Softwires] [Int-area] AD sponsoring draft-thaler-iftype-reg-0=
2




-----Original Message-----
From: dhcwg <dhcwg-bounces@ietf.org<mailto:dhcwg-bounces@ietf.org>> On Beha=
lf Of tom petch
Sent: Friday, June 14, 2019 9:28 AM
To: Suresh Krishnan <Suresh@kaloom.com<mailto:Suresh@kaloom.com>>; int-area=
 <int-area@ietf.org<mailto:int-area@ietf.org>>; 6man <ipv6@ietf.org<mailto:=
ipv6@ietf.org>>; dhcwg <dhcwg@ietf.org<mailto:dhcwg@ietf.org>>; V6 Ops List=
 <v6ops@ietf.org<mailto:v6ops@ietf.org>>; opsawg@ietf.org<mailto:opsawg@iet=
f.org>; softwires@ietf.org<mailto:softwires@ietf.org>
Subject: Re: [dhcwg] [Int-area] AD sponsoring draft-thaler-iftype-reg-02



Suresh



The concern I have is that it muddies the waters further on the standing of=
 tunnels so while I think that its proposals for ifType per se are fine, I =
would like it to make explicit that tunnels are out-of-scope at this time.



Tunnels are certainly not out-of-scope.  There's two existing registries (i=
nterface types and tunnel types), and this draft documents existing registr=
ation process, and some process clarifications to address points of process=
 confusion and ease process friction today.





I have been trying to reconcile the workings of softwire, in creating a tun=
nel YANG module, with the existing IANA structure and failing.  I believe t=
hat is because the current status of tunnels is unclear.  Thus the softwire=
 I-D refers to a registry that does not exist



Yes it does.   The software I-D does not create any new registry.   It only=
 creates another format for retrieving the contents of an existing registry=
.  Many registries are retrievable in multiple formats (XML, excel, txt, et=
c.).   This registry is no different.



What I can do is add a paragraph explaining the use of multiple formats for=
 the interface type and tunnel type registries, to make it clear that each =
format is not a separate registry, just like getting the TCP port registry =
in XML vs excel is not two different registries.



Dave



(as such) although the URL that the softwire I-D does. I think the timing u=
nfortunate in that IMHO the softwires I-D will get pressed ahead before thi=
s work can complete, so quite what this I-D then says about tunnels will be=
 coloured by what then exists for tunnels.



So this I-D should make clear what a tunnel is, when it is not an interface=
, but otherwise declaring tunnels out-of-scope, for a future I-D to do a co=
mparable job for tunnels, setting up a tunnel registry from which MIB modul=
es, YANG modules and anything else can be derived (as long as the relevant =
data is supplied - SMI needs integers, YANG does not, which I-Ds do not alw=
ays recognise although the Designated Experts can take care of that).



Finally, when I first encountered this I-D I asked on NETCONF and NETMOD WG=
 lists if anyone knew of it, where it was being worked on and got no reply =
- which surprised me.  I note that you have not copied them although they w=
ere involved in making the interface type registry what it currently is whe=
n creating the YANG module for interface types.  I wonder if other WG have =
an interest, CCAMP or TEAS perhaps.  I agree that int-area is the WG best e=
quipped to work on it and that it needs working on.



Tom Petch



----- Original Message -----

From: "Suresh Krishnan" <Suresh@kaloom.com<mailto:Suresh@kaloom.com>>

To: "int-area" <int-area@ietf.org<mailto:int-area@ietf.org>>; "6man" <ipv6@=
ietf.org<mailto:ipv6@ietf.org>>; "dhcwg"

<dhcwg@ietf.org<mailto:dhcwg@ietf.org>>; "V6 Ops List" <v6ops@ietf.org<mail=
to:v6ops@ietf.org>>; <opsawg@ietf.org<mailto:opsawg@ietf.org>>; <softwires@=
ietf.org<mailto:softwires@ietf.org>>

Sent: Wednesday, June 12, 2019 7:22 PM



Hi all,

  I would like to AD sponsor the following draft that provides guidelines f=
or definition of new interface types in the IANA IfType registries



https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftools.i=
etf.org%2Fhtml%2Fdraft-thaler-iftype-reg-02&amp;data=3D02%7C01%7Cdthaler%40=
microsoft.com%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af91ab2d7c=
d011db47%7C1%7C0%7C636961265202763707&amp;sdata=3DHM5asXOFnSuzPaCR4k4kopqsI=
HLLdnqZ7PDuu8hPJM4%3D&amp;reserved=3D0<https://nam06.safelinks.protection.o=
utlook.com/?url=3Dhttps%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-thaler-iftype=
-reg-02&data=3D02%7C01%7Cdthaler%40microsoft.com%7C7f0bb0e13ad444ffbfe208d7=
017dd4cd%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636979512288910008&sd=
ata=3DOiu3BLoPvkbcNQN4XA5ih7YnnWeb9bzn7WLP4nJ%2FSCM%3D&reserved=3D0>



If you have any concerns either with the contents of the draft, or about me=
 AD sponsoring it please let me know before 2019/06/26.



Thanks

Suresh



NOTE: I have CCed: all the working groups that I thought could be potential=
ly interested in this work. If you think I have missed out some WG(s) pleas=
e let me know.







------------------------------------------------------------------------

--------





> _______________________________________________

> Int-area mailing list

> Int-area@ietf.org<mailto:Int-area@ietf.org>

> https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww<h=
ttps://www>.

> ietf.org%2Fmailman%2Flistinfo%2Fint-area&amp;data=3D02%7C01%7Cdthaler%40

> microsoft.com%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af91a

> b2d7cd011db47%7C1%7C0%7C636961265202763707&amp;sdata=3Dznz7EZ1q%2FwIQUJC

> gYZTWfY2H4C7tN6qFhJubCVWxWzc%3D&amp;reserved=3D0

>



_______________________________________________

dhcwg mailing list

dhcwg@ietf.org<mailto:dhcwg@ietf.org>

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7C1%7C0%7C636961265202763707&amp;sdata=3DOJvbRDz%2FCIlVF3hWR30KCs0cRgi9Kmtn=
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<body lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">FYI, draft-thaler-ifty=
pe-reg-04 is now posted and incorporates changes based on<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">feedback from Med, Tom=
, Suresh, and others.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Diffs from -02 can be =
seen at<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><a href=3D"https://too=
ls.ietf.org/rfcdiff?url1=3Ddraft-thaler-iftype-reg-02.txt&amp;url2=3Ddraft-=
thaler-iftype-reg-04.txt">https://tools.ietf.org/rfcdiff?url1=3Ddraft-thale=
r-iftype-reg-02.txt&amp;url2=3Ddraft-thaler-iftype-reg-04.txt</a><o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Dave<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b>From:</b> Softwires &lt;softwires-bounces@ietf.or=
g&gt; <b>On Behalf Of
</b>Dave Thaler<br>
<b>Sent:</b> Friday, July 5, 2019 12:17 PM<br>
<b>To:</b> tom petch &lt;ietfc@btconnect.com&gt;; Suresh Krishnan &lt;Sures=
h@kaloom.com&gt;; int-area &lt;int-area@ietf.org&gt;; 6man &lt;ipv6@ietf.or=
g&gt;; dhcwg &lt;dhcwg@ietf.org&gt;; V6 Ops List &lt;v6ops@ietf.org&gt;; op=
sawg@ietf.org; softwires@ietf.org<br>
<b>Subject:</b> Re: [Softwires] [Int-area] AD sponsoring draft-thaler-iftyp=
e-reg-02<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">-----Original Message-=
----<br>
From: dhcwg &lt;<a href=3D"mailto:dhcwg-bounces@ietf.org">dhcwg-bounces@iet=
f.org</a>&gt; On Behalf Of tom petch<br>
Sent: Friday, June 14, 2019 9:28 AM<br>
To: Suresh Krishnan &lt;<a href=3D"mailto:Suresh@kaloom.com">Suresh@kaloom.=
com</a>&gt;; int-area &lt;<a href=3D"mailto:int-area@ietf.org">int-area@iet=
f.org</a>&gt;; 6man &lt;<a href=3D"mailto:ipv6@ietf.org">ipv6@ietf.org</a>&=
gt;; dhcwg &lt;<a href=3D"mailto:dhcwg@ietf.org">dhcwg@ietf.org</a>&gt;;
 V6 Ops List &lt;<a href=3D"mailto:v6ops@ietf.org">v6ops@ietf.org</a>&gt;; =
<a href=3D"mailto:opsawg@ietf.org">
opsawg@ietf.org</a>; <a href=3D"mailto:softwires@ietf.org">softwires@ietf.o=
rg</a><br>
Subject: Re: [dhcwg] [Int-area] AD sponsoring draft-thaler-iftype-reg-02<o:=
p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Suresh<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">The concern I have is =
that it muddies the waters further on the standing of tunnels so while I th=
ink that its proposals for ifType per se are fine, I would like it to make =
explicit that tunnels are out-of-scope
 at this time.<o:p></o:p></p>
<p class=3D"MsoPlainText"><span style=3D"color:black"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span style=3D"color:black">Tunnels are certainly=
 not out-of-scope.&nbsp; There&#8217;s two existing registries (interface t=
ypes and tunnel types), and this draft documents existing registration proc=
ess, and some process clarifications to address
 points of process confusion and ease process friction today.<o:p></o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span style=3D"color:black"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">I have been trying to =
reconcile the workings of softwire, in creating a tunnel YANG module, with =
the existing IANA structure and failing.&nbsp; I believe that is because th=
e current status of tunnels is unclear.&nbsp;
 Thus the softwire I-D refers to a registry that does not exist<o:p></o:p><=
/p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Yes it does.&nbsp;&nbsp; The software I-D does no=
t create any new registry.&nbsp;&nbsp; It only creates another format for r=
etrieving the contents of an existing registry.&nbsp; Many registries are r=
etrievable in multiple formats (XML, excel, txt, etc.).&nbsp;&nbsp; This
 registry is no different.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">What I can do is add a paragraph explaining the u=
se of multiple formats for the interface type and tunnel type registries, t=
o make it clear that each format is not a separate registry, just like gett=
ing the TCP port registry in XML vs
 excel is not two different registries.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Dave<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">(as such) although the=
 URL that the softwire I-D does. I think the timing unfortunate in that IMH=
O the softwires I-D will get pressed ahead before this work can complete, s=
o quite what this I-D then says about
 tunnels will be coloured by what then exists for tunnels.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">So this I-D should mak=
e clear what a tunnel is, when it is not an interface, but otherwise declar=
ing tunnels out-of-scope, for a future I-D to do a comparable job for tunne=
ls, setting up a tunnel registry from
 which MIB modules, YANG modules and anything else can be derived (as long =
as the relevant data is supplied - SMI needs integers, YANG does not, which=
 I-Ds do not always recognise although the Designated Experts can take care=
 of that).<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Finally, when I first =
encountered this I-D I asked on NETCONF and NETMOD WG lists if anyone knew =
of it, where it was being worked on and got no reply - which surprised me.&=
nbsp; I note that you have not copied them
 although they were involved in making the interface type registry what it =
currently is when creating the YANG module for interface types.&nbsp; I won=
der if other WG have an interest, CCAMP or TEAS perhaps.&nbsp; I agree that=
 int-area is the WG best equipped to work
 on it and that it needs working on.<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Tom Petch<o:p></o:p></=
p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">----- Original Message -----<o:p></o:p></p>
<p class=3D"MsoPlainText">From: &quot;Suresh Krishnan&quot; &lt;<a href=3D"=
mailto:Suresh@kaloom.com"><span style=3D"color:windowtext;text-decoration:n=
one">Suresh@kaloom.com</span></a>&gt;<o:p></o:p></p>
<p class=3D"MsoPlainText">To: &quot;int-area&quot; &lt;<a href=3D"mailto:in=
t-area@ietf.org"><span style=3D"color:windowtext;text-decoration:none">int-=
area@ietf.org</span></a>&gt;; &quot;6man&quot; &lt;<a href=3D"mailto:ipv6@i=
etf.org"><span style=3D"color:windowtext;text-decoration:none">ipv6@ietf.or=
g</span></a>&gt;;
 &quot;dhcwg&quot;<o:p></o:p></p>
<p class=3D"MsoPlainText">&lt;<a href=3D"mailto:dhcwg@ietf.org"><span style=
=3D"color:windowtext;text-decoration:none">dhcwg@ietf.org</span></a>&gt;; &=
quot;V6 Ops List&quot; &lt;<a href=3D"mailto:v6ops@ietf.org"><span style=3D=
"color:windowtext;text-decoration:none">v6ops@ietf.org</span></a>&gt;;
 &lt;<a href=3D"mailto:opsawg@ietf.org"><span style=3D"color:windowtext;tex=
t-decoration:none">opsawg@ietf.org</span></a>&gt;; &lt;<a href=3D"mailto:so=
ftwires@ietf.org"><span style=3D"color:windowtext;text-decoration:none">sof=
twires@ietf.org</span></a>&gt;<o:p></o:p></p>
<p class=3D"MsoPlainText">Sent: Wednesday, June 12, 2019 7:22 PM<o:p></o:p>=
</p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Hi all,<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp; I would like to AD sponsor the following d=
raft that provides guidelines for definition of new interface types in the =
IANA IfType registries<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://nam06.safelinks.protection.out=
look.com/?url=3Dhttps%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-thaler-iftype-r=
eg-02&amp;data=3D02%7C01%7Cdthaler%40microsoft.com%7C7f0bb0e13ad444ffbfe208=
d7017dd4cd%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636979512288910008&=
amp;sdata=3DOiu3BLoPvkbcNQN4XA5ih7YnnWeb9bzn7WLP4nJ%2FSCM%3D&amp;reserved=
=3D0"><span style=3D"color:windowtext;text-decoration:none">https://nam06.s=
afelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftools.ietf.org%2Fhtml%=
2Fdraft-thaler-iftype-reg-02&amp;amp;data=3D02%7C01%7Cdthaler%40microsoft.c=
om%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af91ab2d7cd011db47%7C=
1%7C0%7C636961265202763707&amp;amp;sdata=3DHM5asXOFnSuzPaCR4k4kopqsIHLLdnqZ=
7PDuu8hPJM4%3D&amp;amp;reserved=3D0</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">If you have any concerns either with the contents=
 of the draft, or about me AD sponsoring it please let me know before 2019/=
06/26.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Thanks<o:p></o:p></p>
<p class=3D"MsoPlainText">Suresh<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">NOTE: I have CCed: all the working groups that I =
thought could be potentially interested in this work. If you think I have m=
issed out some WG(s) please let me know.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">-------------------------------------------------=
-----------------------<o:p></o:p></p>
<p class=3D"MsoPlainText">--------<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&gt; ____________________________________________=
___<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; Int-area mailing list<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; <a href=3D"mailto:Int-area@ietf.org"><span s=
tyle=3D"color:windowtext;text-decoration:none">Int-area@ietf.org</span></a>=
<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; <a href=3D"https://www"><span style=3D"color=
:windowtext;text-decoration:none">https://nam06.safelinks.protection.outloo=
k.com/?url=3Dhttps%3A%2F%2Fwww</span></a>.<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; ietf.org%2Fmailman%2Flistinfo%2Fint-area&amp=
;amp;data=3D02%7C01%7Cdthaler%40<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; microsoft.com%7Cbd9080f665064f564d3608d6f0e5=
5a88%7C72f988bf86f141af91a<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; b2d7cd011db47%7C1%7C0%7C636961265202763707&a=
mp;amp;sdata=3Dznz7EZ1q%2FwIQUJC<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt; gYZTWfY2H4C7tN6qFhJubCVWxWzc%3D&amp;amp;rese=
rved=3D0<o:p></o:p></p>
<p class=3D"MsoPlainText">&gt;<o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">_______________________________________________<o=
:p></o:p></p>
<p class=3D"MsoPlainText">dhcwg mailing list<o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"mailto:dhcwg@ietf.org"><span style=3D"=
color:windowtext;text-decoration:none">dhcwg@ietf.org</span></a><o:p></o:p>=
</p>
<p class=3D"MsoPlainText"><a href=3D"https://nam06.safelinks.protection.out=
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From: Qin Wu <bill.wu@huawei.com>
To: Dave Thaler <dthaler=40microsoft.com@dmarc.ietf.org>, Suresh Krishnan <Suresh@kaloom.com>, int-area <int-area@ietf.org>, 6man <ipv6@ietf.org>, dhcwg <dhcwg@ietf.org>, V6 Ops List <v6ops@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "softwires@ietf.org" <softwires@ietf.org>
Thread-Topic: [Int-area] AD sponsoring draft-thaler-iftype-reg-02
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Date: Tue, 9 Jul 2019 02:00:57 +0000
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Subject: Re: [OPSAWG] [Int-area] AD sponsoring draft-thaler-iftype-reg-02
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<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Dave:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Good work for cleaning up the mess in the IANA registry, support =
for publication.<o:p></o:p></span></p>
<pre><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Calib=
ri&quot;,sans-serif;color:#1F497D">One thing puzzling me a lot is what is t=
he key difference between ifType and TunnelType, suppose I want to register=
 a new encapsulation interface, should I register it as IANAifType<o:p></o:=
p></span></pre>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Or IANAtunneltype?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">See the following two registries:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D"></span><span lang=3D"EN-US"><a href=3D"https://www.iana.org/assig=
nments/ianaiftype-mib/ianaiftype-mib">https://www.iana.org/assignments/iana=
iftype-mib/ianaiftype-mib</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><a href=3D"https://www.iana.org=
/assignments/smi-numbers/smi-numbers.xhtml">https://www.iana.org/assignment=
s/smi-numbers/smi-numbers.xhtml</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">The relationship beween IANAifType and IANAtunneltype is not clea=
r to me.<o:p></o:p></span></p>
<h3><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Calibr=
i&quot;,sans-serif;color:#1F497D;font-weight:normal">See the following quot=
ed text in the second registry:<o:p></o:p></span></h3>
<h3><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Calibr=
i&quot;,sans-serif;color:#1F497D;font-weight:normal">=A1=B0<o:p></o:p></spa=
n></h3>
<h3><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Calibr=
i&quot;,sans-serif;color:#1F497D;font-weight:normal">Internet-standard MIB =
- mib-2.interface.ifTable.ifEntry.ifType.tunnelType<o:p></o:p></span></h3>
<h3><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Calibr=
i&quot;,sans-serif;color:#1F497D;font-weight:normal">=A1=B0<o:p></o:p></spa=
n></h3>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Is tunneltype subtype of ifType?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Also see YANG modules registry and YANG parameter registry in
</span><span lang=3D"EN-US"><a href=3D"https://www.iana.org/protocols">http=
s://www.iana.org/protocols</a></span><span lang=3D"EN-US" style=3D"font-siz=
e:10.5pt;color:#1F497D"><o:p></o:p></span></p>
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<tbody>
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<td colspan=3D"3" valign=3D"top" style=3D"border:none;background:#F0F0F8;pa=
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margin-bottom:12.0pt;margin-left:0cm">
<b><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;inherit=
&quot;,serif;color:#555555">YANG Modules<o:p></o:p></span></b></p>
</td>
</tr>
<tr>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/assignments/iana-bfd-types/iana-bfd-types.xhtml"><span style=3D"color:=
#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decoration:none">iana=
-bfd-types
 YANG Module</span></a><o:p></o:p></span></p>
</td>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/go/tracked-draft-ietf-bfd-yang-17"><span style=3D"color:#0069D6;border=
:none windowtext 1.0pt;padding:0cm;text-decoration:none">Internet
 Draft draft-ietf-bfd-yang-17</span></a>,&nbsp;<a href=3D"https://www.iana.=
org/go/rfc5880"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;p=
adding:0cm;text-decoration:none">RFC 5880</span></a>&nbsp;<br>
<span class=3D"iana-protocol-comment"><span style=3D"border:none windowtext=
 1.0pt;padding:0cm">See BFD Diagnostic Codes and BFD Authentication Types r=
egistries.</span></span><o:p></o:p></span></p>
</td>
<td style=3D"border:none;padding:0cm 0cm 0cm 0cm"></td>
</tr>
<tr>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/assignments/iana-crypt-hash/iana-crypt-hash.xhtml"><span style=3D"colo=
r:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decoration:none">ia=
na-crypt-hash
 YANG Module</span></a><o:p></o:p></span></p>
</td>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/go/rfc7317"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;=
padding:0cm;text-decoration:none">RFC 7317</span></a>&nbsp;<br>
<span class=3D"iana-protocol-comment"><span style=3D"border:none windowtext=
 1.0pt;padding:0cm">Expert Review (Expert: Unassigned)</span></span><o:p></=
o:p></span></p>
</td>
<td style=3D"border:none;padding:0cm 0cm 0cm 0cm"></td>
</tr>
<tr>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/assignments/iana-hardware/iana-hardware.xhtml"><span style=3D"color:#0=
069D6;border:none windowtext 1.0pt;padding:0cm;text-decoration:none">iana-h=
ardware
 YANG Module</span></a><o:p></o:p></span></p>
</td>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/go/rfc8348"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;=
padding:0cm;text-decoration:none">RFC 8348</span></a>&nbsp;<br>
<span class=3D"iana-protocol-comment"><span style=3D"border:none windowtext=
 1.0pt;padding:0cm">See IANA-ENTITY-MIB MIB module.</span></span><o:p></o:p=
></span></p>
</td>
<td style=3D"border:none;padding:0cm 0cm 0cm 0cm"></td>
</tr>
<tr>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/assignments/iana-if-type/iana-if-type.xhtml"><span style=3D"color:#006=
9D6;border:none windowtext 1.0pt;padding:0cm;text-decoration:none">iana-if-=
type
 YANG Module</span></a><o:p></o:p></span></p>
</td>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/go/rfc1213"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;=
padding:0cm;text-decoration:none">RFC 1213</span></a>,&nbsp;<a href=3D"http=
s://www.iana.org/go/rfc2863"><span style=3D"color:#0069D6;border:none windo=
wtext 1.0pt;padding:0cm;text-decoration:none">RFC
 2863</span></a>,&nbsp;<a href=3D"https://www.iana.org/go/rfc7224"><span st=
yle=3D"color:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decorati=
on:none">RFC 7224</span></a>&nbsp;<br>
<span class=3D"iana-protocol-comment"><span style=3D"border:none windowtext=
 1.0pt;padding:0cm">See ifType definitions registry.</span></span><o:p></o:=
p></span></p>
</td>
<td style=3D"border:none;padding:0cm 0cm 0cm 0cm"></td>
</tr>
<tr>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/assignments/iana-routing-types/iana-routing-types.xhtml"><span style=
=3D"color:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decoration:=
none">iana-routing-types
 YANG Module</span></a><o:p></o:p></span></p>
</td>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/go/rfc8294"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;=
padding:0cm;text-decoration:none">RFC 8294</span></a>,&nbsp;<a href=3D"http=
s://www.iana.org/go/rfc2453"><span style=3D"color:#0069D6;border:none windo=
wtext 1.0pt;padding:0cm;text-decoration:none">RFC
 2453</span></a>,&nbsp;<a href=3D"https://www.iana.org/go/rfc2677"><span st=
yle=3D"color:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decorati=
on:none">RFC 2677</span></a>,&nbsp;<a href=3D"https://www.iana.org/go/rfc28=
58"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;padding:0cm;t=
ext-decoration:none">RFC
 2858</span></a>,&nbsp;<a href=3D"https://www.iana.org/go/rfc4760"><span st=
yle=3D"color:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decorati=
on:none">RFC 4760</span></a>&nbsp;<br>
<span class=3D"iana-protocol-comment"><span style=3D"border:none windowtext=
 1.0pt;padding:0cm">See Address Family Numbers and Subsequent Address Famil=
y Identifiers (SAFI) Values registries.</span></span><o:p></o:p></span></p>
</td>
<td style=3D"border:none;padding:0cm 0cm 0cm 0cm"></td>
</tr>
<tr>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/assignments/iana-tunnel-type/iana-tunnel-type.xhtml"><span style=3D"co=
lor:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decoration:none">=
iana-tunnel-type
 YANG Module</span></a><o:p></o:p></span></p>
</td>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/go/rfc4087"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;=
padding:0cm;text-decoration:none">RFC 4087</span></a>,&nbsp;<a href=3D"http=
s://www.iana.org/go/tracked-draft-ietf-softwire-iftunnel-07"><span style=3D=
"color:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-decoration:non=
e">Internet
 Draft draft-ietf-softwire-iftunnel-07</span></a>&nbsp;<br>
<span class=3D"iana-protocol-comment"><span style=3D"border:none windowtext=
 1.0pt;padding:0cm">See tunnelType registry (mib-2.interface.ifTable.ifEntr=
y.ifType.tunnelType).</span></span><o:p></o:p></span></p>
</td>
<td style=3D"border:none;padding:0cm 0cm 0cm 0cm"></td>
</tr>
<tr>
<td colspan=3D"3" valign=3D"top" style=3D"border:none;background:#FAFAFC;pa=
dding:3.0pt 6.0pt 3.0pt 0cm">
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:12.0pt;margin-right:0cm;=
margin-bottom:12.0pt;margin-left:0cm">
<b><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;inherit=
&quot;,serif;color:#555555">YANG Parameters<o:p></o:p></span></b></p>
</td>
</tr>
<tr>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/assignments/yang-parameters/yang-parameters.xhtml#yang-parameters-1"><=
span style=3D"color:#0069D6;border:none windowtext 1.0pt;padding:0cm;text-d=
ecoration:none">YANG
 Module Names</span></a><o:p></o:p></span></p>
</td>
<td valign=3D"top" style=3D"border:none;background:#FAFAFC;padding:3.0pt 6.=
0pt 3.0pt 15.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-=
family:&quot;inherit&quot;,serif;color:#555555"><a href=3D"https://www.iana=
.org/go/rfc6020"><span style=3D"color:#0069D6;border:none windowtext 1.0pt;=
padding:0cm;text-decoration:none">RFC 6020</span></a>,&nbsp;<a href=3D"http=
s://www.iana.org/go/rfc8407"><span style=3D"color:#0069D6;border:none windo=
wtext 1.0pt;padding:0cm;text-decoration:none">RFC
 8407</span></a>&nbsp;<br>
<span class=3D"iana-protocol-comment"><span style=3D"border:none windowtext=
 1.0pt;padding:0cm">RFC Required</span></span><o:p></o:p></span></p>
</td>
<td style=3D"border:none;border-bottom:solid #5EB9E6 1.5pt;padding:0cm 0cm =
0cm 0cm">
</td>
</tr>
</tbody>
</table>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Why YANG parameter registry is not sufficient since YANG paramete=
r registry seems to have already include YANG module.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Why not consolidate these two into one?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">-Qin<o:p></o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-family:&quot;=CE=A2=C8=ED=D1=
=C5=BA=DA&quot;,sans-serif">=B7=A2=BC=FE=C8=CB<span lang=3D"EN-US">:</span>=
</span></b><span lang=3D"EN-US" style=3D"font-family:&quot;=CE=A2=C8=ED=D1=
=C5=BA=DA&quot;,sans-serif"> OPSAWG [mailto:opsawg-bounces@ietf.org]
</span><b><span style=3D"font-family:&quot;=CE=A2=C8=ED=D1=C5=BA=DA&quot;,s=
ans-serif">=B4=FA=B1=ED </span></b><span lang=3D"EN-US" style=3D"font-famil=
y:&quot;=CE=A2=C8=ED=D1=C5=BA=DA&quot;,sans-serif">Dave Thaler<br>
</span><b><span style=3D"font-family:&quot;=CE=A2=C8=ED=D1=C5=BA=DA&quot;,s=
ans-serif">=B7=A2=CB=CD=CA=B1=BC=E4<span lang=3D"EN-US">:</span></span></b>=
<span lang=3D"EN-US" style=3D"font-family:&quot;=CE=A2=C8=ED=D1=C5=BA=DA&qu=
ot;,sans-serif"> 2019</span><span style=3D"font-family:&quot;=CE=A2=C8=ED=
=D1=C5=BA=DA&quot;,sans-serif">=C4=EA<span lang=3D"EN-US">7</span>=D4=C2<sp=
an lang=3D"EN-US">9</span>=C8=D5<span lang=3D"EN-US">
 7:21<br>
</span><b>=CA=D5=BC=FE=C8=CB<span lang=3D"EN-US">:</span></b><span lang=3D"=
EN-US"> Dave Thaler &lt;dthaler=3D40microsoft.com@dmarc.ietf.org&gt;; Sures=
h Krishnan &lt;Suresh@kaloom.com&gt;; int-area &lt;int-area@ietf.org&gt;; 6=
man &lt;ipv6@ietf.org&gt;; dhcwg &lt;dhcwg@ietf.org&gt;; V6 Ops List &lt;v6=
ops@ietf.org&gt;;
 opsawg@ietf.org; softwires@ietf.org<br>
</span><b>=D6=F7=CC=E2<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"=
> Re: [OPSAWG] [Int-area] AD sponsoring draft-thaler-iftype-reg-02<o:p></o:=
p></span></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D">FYI, dr=
aft-thaler-iftype-reg-04 is now posted and incorporates changes based on<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D">feedbac=
k from Med, Tom, Suresh, and others.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D">Diffs f=
rom -02 can be seen at<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><a href=
=3D"https://tools.ietf.org/rfcdiff?url1=3Ddraft-thaler-iftype-reg-02.txt&am=
p;url2=3Ddraft-thaler-iftype-reg-04.txt">https://tools.ietf.org/rfcdiff?url=
1=3Ddraft-thaler-iftype-reg-02.txt&amp;url2=3Ddraft-thaler-iftype-reg-04.tx=
t</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D">Dave<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US">From:</span></b><span lang=
=3D"EN-US"> Softwires &lt;<a href=3D"mailto:softwires-bounces@ietf.org">sof=
twires-bounces@ietf.org</a>&gt;
<b>On Behalf Of </b>Dave Thaler<br>
<b>Sent:</b> Friday, July 5, 2019 12:17 PM<br>
<b>To:</b> tom petch &lt;<a href=3D"mailto:ietfc@btconnect.com">ietfc@btcon=
nect.com</a>&gt;; Suresh Krishnan &lt;<a href=3D"mailto:Suresh@kaloom.com">=
Suresh@kaloom.com</a>&gt;; int-area &lt;<a href=3D"mailto:int-area@ietf.org=
">int-area@ietf.org</a>&gt;; 6man &lt;<a href=3D"mailto:ipv6@ietf.org">ipv6=
@ietf.org</a>&gt;;
 dhcwg &lt;<a href=3D"mailto:dhcwg@ietf.org">dhcwg@ietf.org</a>&gt;; V6 Ops=
 List &lt;<a href=3D"mailto:v6ops@ietf.org">v6ops@ietf.org</a>&gt;;
<a href=3D"mailto:opsawg@ietf.org">opsawg@ietf.org</a>; <a href=3D"mailto:s=
oftwires@ietf.org">
softwires@ietf.org</a><br>
<b>Subject:</b> Re: [Softwires] [Int-area] AD sponsoring draft-thaler-iftyp=
e-reg-02<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>-----Original Message-----<br>
From: dhcwg &lt;<a href=3D"mailto:dhcwg-bounces@ietf.org">dhcwg-bounces@iet=
f.org</a>&gt; On Behalf Of tom petch<br>
Sent: Friday, June 14, 2019 9:28 AM<br>
To: Suresh Krishnan &lt;<a href=3D"mailto:Suresh@kaloom.com">Suresh@kaloom.=
com</a>&gt;; int-area &lt;<a href=3D"mailto:int-area@ietf.org">int-area@iet=
f.org</a>&gt;; 6man &lt;<a href=3D"mailto:ipv6@ietf.org">ipv6@ietf.org</a>&=
gt;; dhcwg &lt;<a href=3D"mailto:dhcwg@ietf.org">dhcwg@ietf.org</a>&gt;;
 V6 Ops List &lt;<a href=3D"mailto:v6ops@ietf.org">v6ops@ietf.org</a>&gt;; =
<a href=3D"mailto:opsawg@ietf.org">
opsawg@ietf.org</a>; <a href=3D"mailto:softwires@ietf.org">softwires@ietf.o=
rg</a><br>
Subject: Re: [dhcwg] [Int-area] AD sponsoring draft-thaler-iftype-reg-02<o:=
p></o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>Suresh<o:p></o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>The concern I have is that it muddies the waters further on the standing o=
f tunnels so while I think that its proposals for ifType per se are fine, I=
 would like it to make explicit that tunnels
 are out-of-scope at this time.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:black"><o:p>&=
nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:black">Tunnel=
s are certainly not out-of-scope.&nbsp; There=A1=AFs two existing registrie=
s (interface types and tunnel types), and this draft documents existing reg=
istration process, and some process clarifications
 to address points of process confusion and ease process friction today.<o:=
p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US" style=3D"color:black"><o:p>&=
nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>I have been trying to reconcile the workings of softwire, in creating a tu=
nnel YANG module, with the existing IANA structure and failing.&nbsp; I bel=
ieve that is because the current status of
 tunnels is unclear.&nbsp; Thus the softwire I-D refers to a registry that =
does not exist<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Yes it does.&nbsp;&nbsp; The=
 software I-D does not create any new registry.&nbsp;&nbsp; It only creates=
 another format for retrieving the contents of an existing registry.&nbsp; =
Many registries are retrievable in multiple formats (XML, excel,
 txt, etc.).&nbsp;&nbsp; This registry is no different.<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">What I can do is add a parag=
raph explaining the use of multiple formats for the interface type and tunn=
el type registries, to make it clear that each format is not a separate reg=
istry, just like getting the TCP port
 registry in XML vs excel is not two different registries.<o:p></o:p></span=
></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Dave<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>(as such) although the URL that the softwire I-D does. I think the timing =
unfortunate in that IMHO the softwires I-D will get pressed ahead before th=
is work can complete, so quite what this
 I-D then says about tunnels will be coloured by what then exists for tunne=
ls.<o:p></o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>So this I-D should make clear what a tunnel is, when it is not an interfac=
e, but otherwise declaring tunnels out-of-scope, for a future I-D to do a c=
omparable job for tunnels, setting up
 a tunnel registry from which MIB modules, YANG modules and anything else c=
an be derived (as long as the relevant data is supplied - SMI needs integer=
s, YANG does not, which I-Ds do not always recognise although the Designate=
d Experts can take care of that).<o:p></o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>Finally, when I first encountered this I-D I asked on NETCONF and NETMOD W=
G lists if anyone knew of it, where it was being worked on and got no reply=
 - which surprised me.&nbsp; I note that you
 have not copied them although they were involved in making the interface t=
ype registry what it currently is when creating the YANG module for interfa=
ce types.&nbsp; I wonder if other WG have an interest, CCAMP or TEAS perhap=
s.&nbsp; I agree that int-area is the WG best
 equipped to work on it and that it needs working on.<o:p></o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:36.0pt"><span lang=3D"EN-US"=
>Tom Petch<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">----- Original Message -----=
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">From: &quot;Suresh Krishnan&=
quot; &lt;<a href=3D"mailto:Suresh@kaloom.com"><span style=3D"color:windowt=
ext;text-decoration:none">Suresh@kaloom.com</span></a>&gt;<o:p></o:p></span=
></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">To: &quot;int-area&quot; &lt=
;<a href=3D"mailto:int-area@ietf.org"><span style=3D"color:windowtext;text-=
decoration:none">int-area@ietf.org</span></a>&gt;; &quot;6man&quot; &lt;<a =
href=3D"mailto:ipv6@ietf.org"><span style=3D"color:windowtext;text-decorati=
on:none">ipv6@ietf.org</span></a>&gt;;
 &quot;dhcwg&quot;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&lt;<a href=3D"mailto:dhcwg@=
ietf.org"><span style=3D"color:windowtext;text-decoration:none">dhcwg@ietf.=
org</span></a>&gt;; &quot;V6 Ops List&quot; &lt;<a href=3D"mailto:v6ops@iet=
f.org"><span style=3D"color:windowtext;text-decoration:none">v6ops@ietf.org=
</span></a>&gt;;
 &lt;<a href=3D"mailto:opsawg@ietf.org"><span style=3D"color:windowtext;tex=
t-decoration:none">opsawg@ietf.org</span></a>&gt;; &lt;<a href=3D"mailto:so=
ftwires@ietf.org"><span style=3D"color:windowtext;text-decoration:none">sof=
twires@ietf.org</span></a>&gt;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Sent: Wednesday, June 12, 20=
19 7:22 PM<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hi all,<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp; I would like to AD sp=
onsor the following draft that provides guidelines for definition of new in=
terface types in the IANA IfType registries<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><a href=3D"https://nam06.saf=
elinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftools.ietf.org%2Fhtml%2F=
draft-thaler-iftype-reg-02&amp;data=3D02%7C01%7Cdthaler%40microsoft.com%7C7=
f0bb0e13ad444ffbfe208d7017dd4cd%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%=
7C636979512288910008&amp;sdata=3DOiu3BLoPvkbcNQN4XA5ih7YnnWeb9bzn7WLP4nJ%2F=
SCM%3D&amp;reserved=3D0"><span style=3D"color:windowtext;text-decoration:no=
ne">https://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Ftoo=
ls.ietf.org%2Fhtml%2Fdraft-thaler-iftype-reg-02&amp;amp;data=3D02%7C01%7Cdt=
haler%40microsoft.com%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af=
91ab2d7cd011db47%7C1%7C0%7C636961265202763707&amp;amp;sdata=3DHM5asXOFnSuzP=
aCR4k4kopqsIHLLdnqZ7PDuu8hPJM4%3D&amp;amp;reserved=3D0</span></a><o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you have any concerns eit=
her with the contents of the draft, or about me AD sponsoring it please let=
 me know before 2019/06/26.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thanks<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Suresh<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">NOTE: I have CCed: all the w=
orking groups that I thought could be potentially interested in this work. =
If you think I have missed out some WG(s) please let me know.<o:p></o:p></s=
pan></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">----------------------------=
--------------------------------------------<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">--------<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; _______________________=
________________________<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; Int-area mailing list<o=
:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <a href=3D"mailto:Int-a=
rea@ietf.org"><span style=3D"color:windowtext;text-decoration:none">Int-are=
a@ietf.org</span></a><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; <a href=3D"https://www"=
><span style=3D"color:windowtext;text-decoration:none">https://nam06.safeli=
nks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww</span></a>.<o:p></o:p><=
/span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; ietf.org%2Fmailman%2Fli=
stinfo%2Fint-area&amp;amp;data=3D02%7C01%7Cdthaler%40<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; microsoft.com%7Cbd9080f=
665064f564d3608d6f0e55a88%7C72f988bf86f141af91a<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; b2d7cd011db47%7C1%7C0%7=
C636961265202763707&amp;amp;sdata=3Dznz7EZ1q%2FwIQUJC<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt; gYZTWfY2H4C7tN6qFhJubCV=
WxWzc%3D&amp;amp;reserved=3D0<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&gt;<o:p>&nbsp;</o:p></span>=
</p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">____________________________=
___________________<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">dhcwg mailing list<o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><a href=3D"mailto:dhcwg@ietf=
.org"><span style=3D"color:windowtext;text-decoration:none">dhcwg@ietf.org<=
/span></a><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><a href=3D"https://nam06.saf=
elinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.ietf.org%2Fmailman%2=
Flistinfo%2Fdhcwg&amp;data=3D02%7C01%7Cdthaler%40microsoft.com%7C7f0bb0e13a=
d444ffbfe208d7017dd4cd%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C6369795=
12288919998&amp;sdata=3D%2FIXOjXLKQ9Ciq2dQNd5zF69bVqpvHogJO6B9GfrlNtg%3D&am=
p;reserved=3D0"><span style=3D"color:windowtext;text-decoration:none">https=
://nam06.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fwww.ietf.org=
%2Fmailman%2Flistinfo%2Fdhcwg&amp;amp;data=3D02%7C01%7Cdthaler%40microsoft.=
com%7Cbd9080f665064f564d3608d6f0e55a88%7C72f988bf86f141af91ab2d7cd011db47%7=
C1%7C0%7C636961265202763707&amp;amp;sdata=3DOJvbRDz%2FCIlVF3hWR30KCs0cRgi9K=
mtnYLHKbHSeJzc%3D&amp;amp;reserved=3D0</span></a><o:p></o:p></span></p>
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From: wangzitao <wangzitao@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: [OPSAWG] IPR poll on draft-zheng-opsawg-tacacs-yang-02
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Subject: Re: [OPSAWG] IPR poll on draft-zheng-opsawg-tacacs-yang-02
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I am not aware of any IPR.



Best Regards!

-Michael



---------------------------------------------------------------------------=
----------------------



Date: Mon, 8 Jul 2019 06:54:58 +0000

From: "Wubo (lana)" <lana.wubo@huawei.com<mailto:lana.wubo@huawei.com>>

To: Tianran Zhou <zhoutianran@huawei.com<mailto:zhoutianran@huawei.com>>, "=
opsawg@ietf.org<mailto:opsawg@ietf.org>"

         <opsawg@ietf.org<mailto:opsawg@ietf.org>>

Cc: OpsAWG Chairs <opsawg-chairs@ietf.org<mailto:opsawg-chairs@ietf.org>>

Subject: Re: [OPSAWG] IPR poll on draft-zheng-opsawg-tacacs-yang-02

Message-ID: <66b7e75b650c456f9ece44503b9cc8df@huawei.com<mailto:66b7e75b650=
c456f9ece44503b9cc8df@huawei.com>>

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As a co-author, I am not aware of any IPR associated with this draft.



Thanks,

Bo



???: OPSAWG [mailto:opsawg-bounces@ietf.org] ?? Tianran Zhou

????: 2019?7?7? 16:04

???: opsawg@ietf.org<mailto:opsawg@ietf.org>

??: OpsAWG Chairs <opsawg-chairs@ietf.org<mailto:opsawg-chairs@ietf.org>>

??: [OPSAWG] IPR poll on draft-zheng-opsawg-tacacs-yang-02





Hi WG,







Accompany with the adoption poll, this mail starts the IPR poll.







Are you aware of any IPR that applies to draft-zheng-opsawg-tacacs-yang-02?







If you own or are aware of any IPR that applies to the draft-zheng-opsawg-t=
acacs-yang-02, please clarify whether this IPR been disclosed in compliance=
 with IETF IPR rules (see RFCs 3979, 4879, 3669 and 5378 for more details).







If you are listed as a document author or contributor please respond to thi=
s email in OPSAWG mailing list regardless of whether or not you are aware o=
f any relevant IPR. The document will not advance to the next stage until a=
 response has been received from each author and contributor.







If you are not listed as an author or contributor but are on OPSAWG mailing=
 list, then please explicitly respond if you are aware of any IPR that has =
not yet been disclosed in conformance with IETF rules.







Thank you for kind support.







Regards,



Tianran & Joe


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<p class=3D"MsoPlainText"><span lang=3D"EN-US">I am not aware of any IPR.<o=
:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Best Regards!<o:p></o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">-Michael<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">----------------------------=
---------------------------------------------------------------------<o:p><=
/o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Date: Mon, 8 Jul 2019 06:54:=
58 &#43;0000<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">From: &quot;Wubo (lana)&quot=
; &lt;<a href=3D"mailto:lana.wubo@huawei.com">lana.wubo@huawei.com</a>&gt;<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">To: Tianran Zhou &lt;<a href=
=3D"mailto:zhoutianran@huawei.com">zhoutianran@huawei.com</a>&gt;, &quot;<a=
 href=3D"mailto:opsawg@ietf.org">opsawg@ietf.org</a>&quot;<o:p></o:p></span=
></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; &lt;<a href=3D"mailto:opsawg@ietf.org">opsawg@ietf.org=
</a>&gt;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Cc: OpsAWG Chairs &lt;<a hre=
f=3D"mailto:opsawg-chairs@ietf.org">opsawg-chairs@ietf.org</a>&gt;<o:p></o:=
p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Subject: Re: [OPSAWG] IPR po=
ll on draft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Message-ID: &lt;<a href=3D"m=
ailto:66b7e75b650c456f9ece44503b9cc8df@huawei.com">66b7e75b650c456f9ece4450=
3b9cc8df@huawei.com</a>&gt;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Content-Type: text/plain; ch=
arset=3D&quot;gb2312&quot;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">As a co-author, I am not awa=
re of any IPR associated with this draft.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thanks,<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Bo<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">???: OPSAWG [<a href=3D"mail=
to:opsawg-bounces@ietf.org">mailto:opsawg-bounces@ietf.org</a>] ?? Tianran =
Zhou<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">????: 2019?7?7? 16:04<o:p></=
o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">???: <a href=3D"mailto:opsaw=
g@ietf.org">
opsawg@ietf.org</a><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">??: OpsAWG Chairs &lt;<a hre=
f=3D"mailto:opsawg-chairs@ietf.org">opsawg-chairs@ietf.org</a>&gt;<o:p></o:=
p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">??: [OPSAWG] IPR poll on dra=
ft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hi WG,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Accompany with the adoption =
poll, this mail starts the IPR poll.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Are you aware of any IPR tha=
t applies to draft-zheng-opsawg-tacacs-yang-02?<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you own or are aware of a=
ny IPR that applies to the draft-zheng-opsawg-tacacs-yang-02, please clarif=
y whether this IPR been disclosed in compliance with IETF IPR rules (see RF=
Cs 3979, 4879, 3669 and 5378 for more
 details).<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you are listed as a docum=
ent author or contributor please respond to this email in OPSAWG mailing li=
st regardless of whether or not you are aware of any relevant IPR. The docu=
ment will not advance to the next stage
 until a response has been received from each author and contributor.<o:p><=
/o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you are not listed as an =
author or contributor but are on OPSAWG mailing list, then please explicitl=
y respond if you are aware of any IPR that has not yet been disclosed in co=
nformance with IETF rules.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thank you for kind support.<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Regards,<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Tianran &amp; Joe<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

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From: wangzitao <wangzitao@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
Thread-Index: AdU1/WXYp4QWpJSPSk6PavEkEJBebg==
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Subject: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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Support as a co-author.

Best Regards!
-Michael

---------------------------------------------------------------------------=
----------

Date: Mon, 8 Jul 2019 06:55:08 +0000
From: "Wubo (lana)" <lana.wubo@huawei.com>
To: Tianran Zhou <zhoutianran@huawei.com>, "opsawg@ietf.org"
         <opsawg@ietf.org>
Cc: OpsAWG Chairs <opsawg-chairs@ietf.org>
Subject: Re: [OPSAWG] WG adoption poll for
         draft-zheng-opsawg-tacacs-yang-02
Message-ID: <e26e01670b0f41b5a1c533696773bb2c@huawei.com>
Content-Type: text/plain; charset=3D"gb2312"

Support as a co-author.

Thanks,
Bo

???: OPSAWG [mailto:opsawg-bounces@ietf.org] ?? Tianran Zhou
????: 2019?7?7? 15:59
???: opsawg@ietf.org
??: OpsAWG Chairs <opsawg-chairs@ietf.org>
??: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02


Hi WG,



This document was presented in Prague. The authors have addressed all the c=
omments and believe it?s ready for further working group discussion.

https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02





This email starts a two weeks poll for adoption.

If you support adopting this document please say so, and please give an ind=
ication of why you think it is important. Also please say if you will be wi=
lling to review and help the draft.

If you do not support adopting this document as a starting point for work o=
n this topic, please say why..

This poll will run until 22nd July.



Regards,

Tianran & Joe

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US">Support as a co-author.<o:p></o=
:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best Regards!<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-Michael<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-------------------------------=
------------------------------------------------------<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Date: Mon, 8 Jul 2019 06:55:08 =
&#43;0000<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">From: &quot;Wubo (lana)&quot; &=
lt;lana.wubo@huawei.com&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">To: Tianran Zhou &lt;zhoutianra=
n@huawei.com&gt;, &quot;opsawg@ietf.org&quot;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp; &lt;opsawg@ietf.org&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Cc: OpsAWG Chairs &lt;opsawg-ch=
airs@ietf.org&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Subject: Re: [OPSAWG] WG adopti=
on poll for<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp; draft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Message-ID: &lt;e26e01670b0f41b=
5a1c533696773bb2c@huawei.com&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Content-Type: text/plain; chars=
et=3D&quot;gb2312&quot;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Support as a co-author.<o:p></o=
:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Thanks,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Bo<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">???: OPSAWG [mailto:opsawg-boun=
ces@ietf.org] ?? Tianran Zhou<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">????: 2019?7?7? 15:59<o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">???: opsawg@ietf.org<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">??: OpsAWG Chairs &lt;opsawg-ch=
airs@ietf.org&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">??: [OPSAWG] WG adoption poll f=
or draft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi WG,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This document was presented in =
Prague. The authors have addressed all the comments and believe it?s ready =
for further working group discussion.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">https://tools.ietf.org/html/dra=
ft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This email starts a two weeks p=
oll for adoption.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If you support adopting this do=
cument please say so, and please give an indication of why you think it is =
important. Also please say if you will be willing to review and help the dr=
aft.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If you do not support adopting =
this document as a starting point for work on this topic, please say why..<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This poll will run until 22nd J=
uly.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tianran &amp; Joe<o:p></o:p></s=
pan></p>
</div>
</body>
</html>

--_000_E6BC9BBCBCACC246846FC685F9FF41EA2DA1A273DGGEMM527MBXchi_--


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From: "Zhengguangying (Walker)" <zhengguangying@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: [OPSAWG] IPR poll on draft-zheng-opsawg-tacacs-yang-02
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Date: Tue, 9 Jul 2019 02:30:35 +0000
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Subject: Re: [OPSAWG] IPR poll on draft-zheng-opsawg-tacacs-yang-02
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<body lang=3D"ZH-CN" link=3D"#0563C1" vlink=3D"#954F72" style=3D"text-justi=
fy-trim:punctuation">
<div class=3D"WordSection1">
<p class=3D"MsoPlainText"><span lang=3D"EN-US">I am not aware of any IPR as=
sociated with this draft.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Best Regards!<o:p></o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">-Walker<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><b><span la=
ng=3D"EN-US" style=3D"font-size:11.0pt">From:</span></b><span lang=3D"EN-US=
" style=3D"font-size:11.0pt"> wangzitao
<br>
<b>Sent:</b> 2019</span><span style=3D"font-size:11.0pt;font-family:SimSun"=
>=C4=EA</span><span lang=3D"EN-US" style=3D"font-size:11.0pt">7</span><span=
 style=3D"font-size:11.0pt;font-family:SimSun">=D4=C2</span><span lang=3D"E=
N-US" style=3D"font-size:11.0pt">9</span><span style=3D"font-size:11.0pt;fo=
nt-family:SimSun">=C8=D5</span><span lang=3D"EN-US" style=3D"font-size:11.0=
pt">
 10:23<br>
<b>To:</b> opsawg@ietf.org<br>
<b>Subject:</b> Re: [OPSAWG] IPR poll on draft-zheng-opsawg-tacacs-yang-02<=
o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><span lang=
=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">I am not aware of any IPR.<o=
:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Best Regards!<o:p></o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">-Michael<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">----------------------------=
---------------------------------------------------------------------<o:p><=
/o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Date: Mon, 8 Jul 2019 06:54:=
58 &#43;0000<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">From: &quot;Wubo (lana)&quot=
; &lt;<a href=3D"mailto:lana.wubo@huawei.com">lana.wubo@huawei.com</a>&gt;<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">To: Tianran Zhou &lt;<a href=
=3D"mailto:zhoutianran@huawei.com">zhoutianran@huawei.com</a>&gt;, &quot;<a=
 href=3D"mailto:opsawg@ietf.org">opsawg@ietf.org</a>&quot;<o:p></o:p></span=
></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; &lt;<a href=3D"mailto:opsawg@ietf.org">opsawg@ietf.org=
</a>&gt;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Cc: OpsAWG Chairs &lt;<a hre=
f=3D"mailto:opsawg-chairs@ietf.org">opsawg-chairs@ietf.org</a>&gt;<o:p></o:=
p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Subject: Re: [OPSAWG] IPR po=
ll on draft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Message-ID: &lt;<a href=3D"m=
ailto:66b7e75b650c456f9ece44503b9cc8df@huawei.com">66b7e75b650c456f9ece4450=
3b9cc8df@huawei.com</a>&gt;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Content-Type: text/plain; ch=
arset=3D&quot;gb2312&quot;<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">As a co-author, I am not awa=
re of any IPR associated with this draft.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thanks,<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Bo<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">???: OPSAWG [<a href=3D"mail=
to:opsawg-bounces@ietf.org">mailto:opsawg-bounces@ietf.org</a>] ?? Tianran =
Zhou<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">????: 2019?7?7? 16:04<o:p></=
o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">???: <a href=3D"mailto:opsaw=
g@ietf.org">
opsawg@ietf.org</a><o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">??: OpsAWG Chairs &lt;<a hre=
f=3D"mailto:opsawg-chairs@ietf.org">opsawg-chairs@ietf.org</a>&gt;<o:p></o:=
p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">??: [OPSAWG] IPR poll on dra=
ft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hi WG,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Accompany with the adoption =
poll, this mail starts the IPR poll.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Are you aware of any IPR tha=
t applies to draft-zheng-opsawg-tacacs-yang-02?<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you own or are aware of a=
ny IPR that applies to the draft-zheng-opsawg-tacacs-yang-02, please clarif=
y whether this IPR been disclosed in compliance with IETF IPR rules (see RF=
Cs 3979, 4879, 3669 and 5378 for more
 details).<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you are listed as a docum=
ent author or contributor please respond to this email in OPSAWG mailing li=
st regardless of whether or not you are aware of any relevant IPR. The docu=
ment will not advance to the next stage
 until a response has been received from each author and contributor.<o:p><=
/o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you are not listed as an =
author or contributor but are on OPSAWG mailing list, then please explicitl=
y respond if you are aware of any IPR that has not yet been disclosed in co=
nformance with IETF rules.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Thank you for kind support.<=
o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Regards,<o:p></o:p></span></=
p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Tianran &amp; Joe<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

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From: "Zhengguangying (Walker)" <zhengguangying@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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Date: Tue, 9 Jul 2019 02:31:21 +0000
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<div class=3D"WordSection1">
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><span lang=
=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Support as a co-author.<o:p></o=
:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best Regards!<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-walker<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><b><span la=
ng=3D"EN-US" style=3D"font-size:11.0pt">From:</span></b><span lang=3D"EN-US=
" style=3D"font-size:11.0pt"> wangzitao
<br>
<b>Sent:</b> 2019</span><span style=3D"font-size:11.0pt;font-family:SimSun"=
>=C4=EA</span><span lang=3D"EN-US" style=3D"font-size:11.0pt">7</span><span=
 style=3D"font-size:11.0pt;font-family:SimSun">=D4=C2</span><span lang=3D"E=
N-US" style=3D"font-size:11.0pt">9</span><span style=3D"font-size:11.0pt;fo=
nt-family:SimSun">=C8=D5</span><span lang=3D"EN-US" style=3D"font-size:11.0=
pt">
 10:26<br>
<b>To:</b> opsawg@ietf.org<br>
<b>Subject:</b> Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs=
-yang-02<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" align=3D"left" style=3D"text-align:left"><span lang=
=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Support as a co-author.<o:p></o=
:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best Regards!<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-Michael<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">-------------------------------=
------------------------------------------------------<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Date: Mon, 8 Jul 2019 06:55:08 =
&#43;0000<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">From: &quot;Wubo (lana)&quot; &=
lt;<a href=3D"mailto:lana.wubo@huawei.com">lana.wubo@huawei.com</a>&gt;<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">To: Tianran Zhou &lt;<a href=3D=
"mailto:zhoutianran@huawei.com">zhoutianran@huawei.com</a>&gt;, &quot;<a hr=
ef=3D"mailto:opsawg@ietf.org">opsawg@ietf.org</a>&quot;<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp; &lt;<a href=3D"mailto:opsawg@ietf.org">opsawg@ietf.org</a=
>&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Cc: OpsAWG Chairs &lt;<a href=
=3D"mailto:opsawg-chairs@ietf.org">opsawg-chairs@ietf.org</a>&gt;<o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Subject: Re: [OPSAWG] WG adopti=
on poll for<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp; draft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Message-ID: &lt;<a href=3D"mail=
to:e26e01670b0f41b5a1c533696773bb2c@huawei.com">e26e01670b0f41b5a1c53369677=
3bb2c@huawei.com</a>&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Content-Type: text/plain; chars=
et=3D&quot;gb2312&quot;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Support as a co-author.<o:p></o=
:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Thanks,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Bo<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">???: OPSAWG [<a href=3D"mailto:=
opsawg-bounces@ietf.org">mailto:opsawg-bounces@ietf.org</a>] ?? Tianran Zho=
u<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">????: 2019?7?7? 15:59<o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">???: <a href=3D"mailto:opsawg@i=
etf.org">opsawg@ietf.org</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">??: OpsAWG Chairs &lt;<a href=
=3D"mailto:opsawg-chairs@ietf.org">opsawg-chairs@ietf.org</a>&gt;<o:p></o:p=
></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">??: [OPSAWG] WG adoption poll f=
or draft-zheng-opsawg-tacacs-yang-02<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi WG,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This document was presented in =
Prague. The authors have addressed all the comments and believe it?s ready =
for further working group discussion.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><a href=3D"https://tools.ietf.o=
rg/html/draft-zheng-opsawg-tacacs-yang-02">https://tools.ietf.org/html/draf=
t-zheng-opsawg-tacacs-yang-02</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This email starts a two weeks p=
oll for adoption.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If you support adopting this do=
cument please say so, and please give an indication of why you think it is =
important. Also please say if you will be willing to review and help the dr=
aft.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If you do not support adopting =
this document as a starting point for work on this topic, please say why..<=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">This poll will run until 22nd J=
uly.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Regards,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Tianran &amp; Joe<o:p></o:p></s=
pan></p>
</div>
</body>
</html>

--_000_381D7D55085B1E4D8B581BD652E1E140E471C2B0nkgeml513mbxchi_--


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From: Tianran Zhou <zhoutianran@huawei.com>
To: Eliot Lear <lear@cisco.com>
CC: "opsawg@ietf.org" <opsawg@ietf.org>, OpsAWG Chairs <opsawg-chairs@ietf.org>
Thread-Topic: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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From: Qin Wu <bill.wu@huawei.com>
To: tirumal reddy <kondtir@gmail.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
Thread-Topic: [OPSAWG] Fwd: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
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Subject: Re: [OPSAWG] Fwd: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
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From: Qin Wu <bill.wu@huawei.com>
To: Tianran Zhou <zhoutianran@huawei.com>, Eliot Lear <lear@cisco.com>
CC: "opsawg@ietf.org" <opsawg@ietf.org>, OpsAWG Chairs <opsawg-chairs@ietf.org>
Thread-Topic: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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Date: Tue, 9 Jul 2019 03:19:56 +0000
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Subject: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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From: "Wubo (lana)" <lana.wubo@huawei.com>
To: Qin Wu <bill.wu@huawei.com>, Tianran Zhou <zhoutianran@huawei.com>, "Eliot Lear" <lear@cisco.com>
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Thread-Topic: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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Subject: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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From: Eliot Lear <lear@cisco.com>
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Date: Tue, 9 Jul 2019 11:35:47 +0200
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Cc: Qin Wu <bill.wu@huawei.com>, Tianran Zhou <zhoutianran@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>, OpsAWG Chairs <opsawg-chairs@ietf.org>
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Subject: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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> On 9 Jul 2019, at 08:59, Wubo (lana) <lana.wubo@huawei.com> wrote:
>=20
> Thank Eliot for pointing out these questions. I share a similar view =
with Qin, and I suggest to make the following changes in the next =
version:
>=20
> 1. draft-ietf-opsawg-tacacs will be changed as a normative reference =
according to RFC3967.

Several points: please take into account that RFC 8067 updates RFC 3967. =
 What this means is that you should probably have a brief chat with the =
chairs and Ignas on this point to see what he wants.  It may also be =
worth a little bit of discussion time.

>=20
> 2. For the second point, I think your concern may be whether the =
TACACS + YANG model is flexible enough to accommodate the TACACS =
advanced features.

I think the augmentation is exactly what you want to do for this sort of =
thing.

> The current TACACS + YANG architecture is designed with per-server =
configuration and statistics methods. Each server is configured with a =
TCP port and a shared key.
> These nodes may change to use a "choice" statement. If the TACACS++ =
extends to use TLS protocol, the transport extensions can be added as =
new "case" statements.

=46rom what I gather of the model, it merely talks about the state and =
configuration of the T+ connection itself.  I think this mitigates =
reasonably well in favor of a downref since that sort of state is not =
likely to change too much, and if it does, you can augment again.

Eliot

>=20
> Thanks,
> Bo
> =E5=8F=91=E4=BB=B6=E4=BA=BA: OPSAWG [mailto:opsawg-bounces@ietf.org =
<mailto:opsawg-bounces@ietf.org>] =E4=BB=A3=E8=A1=A8 Qin Wu
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B47=E6=9C=889=E6=97=A5 =
11:20
> =E6=94=B6=E4=BB=B6=E4=BA=BA: Tianran Zhou <zhoutianran@huawei.com =
<mailto:zhoutianran@huawei.com>>; Eliot Lear <lear@cisco.com =
<mailto:lear@cisco.com>>
> =E6=8A=84=E9=80=81: opsawg@ietf.org <mailto:opsawg@ietf.org>; OpsAWG =
Chairs <opsawg-chairs@ietf.org <mailto:opsawg-chairs@ietf.org>>
> =E4=B8=BB=E9=A2=98: Re: [OPSAWG] WG adoption poll for =
draft-zheng-opsawg-tacacs-yang-02
>=20
> A few thoughts on Eliot=E2=80=99s two questions:
> 1.       Do we have YANG data model draft developed by IETF published =
as informational RFC? I haven=E2=80=99t seen one.
> 2.       This model uses system management YANG data model defined in =
RFC7317 as base model and augment it with TACACS+ specifics, and RFC7317 =
is standard track RFC.
> 3.       Downref is allowed in some circumstance, See RFC3967 section =
2, first two bullets.
> 4.       TACACS+ protocol has been moved for publication. Whether or =
not TACACS++ comes later, TACACS+ will be basis for any advanced =
features. So timing is perfect.
>=20
> -Qin
> =E5=8F=91=E4=BB=B6=E4=BA=BA: OPSAWG [mailto:opsawg-bounces@ietf.org =
<mailto:opsawg-bounces@ietf.org>] =E4=BB=A3=E8=A1=A8 Tianran Zhou
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2019=E5=B9=B47=E6=9C=889=E6=97=A5 =
10:35
> =E6=94=B6=E4=BB=B6=E4=BA=BA: Eliot Lear <lear@cisco.com =
<mailto:lear@cisco.com>>
> =E6=8A=84=E9=80=81: opsawg@ietf.org <mailto:opsawg@ietf.org>; OpsAWG =
Chairs <opsawg-chairs@ietf.org <mailto:opsawg-chairs@ietf.org>>
> =E4=B8=BB=E9=A2=98: Re: [OPSAWG] WG adoption poll for =
draft-zheng-opsawg-tacacs-yang-02
>=20
> Hi Eliot,
>=20
> Thanks for your suggestions. Please see inline.
>=20
> Tianran
>=20
> From: Eliot Lear [mailto:lear@cisco.com <mailto:lear@cisco.com>]
> Sent: Monday, July 08, 2019 8:13 PM
> To: Tianran Zhou <zhoutianran@huawei.com =
<mailto:zhoutianran@huawei.com>>
> Cc: opsawg@ietf.org <mailto:opsawg@ietf.org>; OpsAWG Chairs =
<opsawg-chairs@ietf.org <mailto:opsawg-chairs@ietf.org>>
> Subject: Re: [OPSAWG] WG adoption poll for =
draft-zheng-opsawg-tacacs-yang-02
>=20
> Hi Tianran,
>=20
> I have two concerns about this draft.  First is the intended status of =
this document.  It currently calls out draft-ietf-opsawg-tacacs as an =
informational reference.  I think the question here is really whether =
this draft should also be informational.  As a practical matter you =
really do need to have implemented the other draft for this one to be =
implemented.  And that means that really it should be a normative =
reference.  But it would be a downref.  To address this, I suggest just =
making this document an informational draft, rather than targeting for =
standards, and make the reference normative.
>=20
> [Tianran] Yes, I have the same concern. You provided a good approach. =
On the other hand, I think RFC3967 described this case.
> =E2=80=9C2.  The Need for Downward References
>     =E2=80=A6
>    o  A standards document may need to refer to a proprietary =
protocol,
>       and the IETF normally documents proprietary protocols using
>       informational RFCs.=E2=80=9D
>=20
> In addition, I have another question.  Is there interest or appetite =
for creating a standardized and more version of T+?  If so, is the =
timing of a standardized YANG model appropriate?
>=20
> [Tianran] I would like to see how the WG would like to approach.
>=20
> Eliot
>=20
>=20
>=20
> On 7 Jul 2019, at 09:58, Tianran Zhou <zhoutianran@huawei.com =
<mailto:zhoutianran@huawei.com>> wrote:
>=20
> Hi WG,
>=20
> This document was presented in Prague. The authors have addressed all =
the comments and believe it=E2=80=99s ready for further working group =
discussion.
> https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02 =
<https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02>
>=20
>=20
> This email starts a two weeks poll for adoption.
> If you support adopting this document please say so, and please give =
an indication of why you think it is important. Also please say if you =
will be willing to review and help the draft.
> If you do not support adopting this document as a starting point for =
work on this topic, please say why..
> This poll will run until 22nd July.
>=20
> Regards,
> Tianran & Joe
>=20
> _______________________________________________
> OPSAWG mailing list
> OPSAWG@ietf.org <mailto:OPSAWG@ietf.org>
> https://www.ietf.org/mailman/listinfo/opsawg =
<https://www.ietf.org/mailman/listinfo/opsawg>

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><br =
class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On 9 Jul 2019, at 08:59, Wubo (lana) &lt;<a =
href=3D"mailto:lana.wubo@huawei.com" =
class=3D"">lana.wubo@huawei.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; caret-color: rgb(0, =
0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">Thank Eliot for pointing out these questions. I share a =
similar view with Qin, and I suggest to make the following changes in =
the next version:<o:p class=3D""></o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">1. draft-ietf-opsawg-tacacs will be =
changed as a normative reference according to =
RFC3967.</span></div></div></div></blockquote><div><br =
class=3D""></div>Several points: please take into account that RFC 8067 =
updates RFC 3967. &nbsp;What this means is that you should probably have =
a brief chat with the chairs and Ignas on this point to see what he =
wants. &nbsp;It may also be worth a little bit of discussion =
time.</div><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D""><div class=3D"WordSection1" style=3D"page: WordSection1; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 16px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;"><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">2. For the second point, I think your =
concern may be whether the TACACS + YANG model is flexible enough to =
accommodate the TACACS advanced =
features.</span></div></div></div></blockquote><div><br class=3D""></div>I=
 think the augmentation is exactly what you want to do for this sort of =
thing.</div><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D""><div class=3D"WordSection1" style=3D"page: WordSection1; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 16px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;"><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">The current TACACS + YANG architecture is designed with =
per-server configuration and statistics methods. Each server is =
configured with a TCP port and a shared key.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">These nodes may change to use a "choice" statement. If the =
TACACS++ extends to use TLS protocol, the transport extensions can be =
added as new "case" =
statements.</span></div></div></div></blockquote><div><br =
class=3D""></div>=46rom what I gather of the model, it merely talks =
about the state and configuration of the T+ connection itself. &nbsp;I =
think this mitigates reasonably well in favor of a downref since that =
sort of state is not likely to change too much, and if it does, you can =
augment again.</div><div><br class=3D""></div><div>Eliot</div><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div =
class=3D"WordSection1" style=3D"page: WordSection1; caret-color: rgb(0, =
0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D""><o:p class=3D""></o:p></span></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">Thanks,<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" =
class=3D"">Bo<o:p class=3D""></o:p></span></div><div class=3D""><div =
style=3D"border-style: solid none none; border-top-width: 1pt; =
border-top-color: rgb(225, 225, 225); padding: 3pt 0cm 0cm;" =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><b class=3D""><span =
lang=3D"ZH-CN" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA</span=
></b><b class=3D""><span style=3D"font-size: 11pt; font-family: =
=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">:</span></b><span style=3D"font-size: 11pt; font-family: =
=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>OPSAWG [<a =
href=3D"mailto:opsawg-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;" =
class=3D"">mailto:opsawg-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b class=3D""><span =
lang=3D"ZH-CN" class=3D"">=E4=BB=A3=E8=A1=A8<span =
class=3D"Apple-converted-space">&nbsp;</span></span></b>Qin Wu<br =
class=3D""><b class=3D""><span lang=3D"ZH-CN" =
class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4</span>:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>2019<span lang=3D"ZH-CN" =
class=3D"">=E5=B9=B4</span>7<span lang=3D"ZH-CN" =
class=3D"">=E6=9C=88</span>9<span lang=3D"ZH-CN" =
class=3D"">=E6=97=A5</span><span =
class=3D"Apple-converted-space">&nbsp;</span>11:20<br class=3D""><b =
class=3D""><span lang=3D"ZH-CN" class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA</sp=
an>:</b><span class=3D"Apple-converted-space">&nbsp;</span>Tianran Zhou =
&lt;<a href=3D"mailto:zhoutianran@huawei.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">zhoutianran@huawei.com</a>&gt;; =
Eliot Lear &lt;<a href=3D"mailto:lear@cisco.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">lear@cisco.com</a>&gt;<br =
class=3D""><b class=3D""><span lang=3D"ZH-CN" =
class=3D"">=E6=8A=84=E9=80=81</span>:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">opsawg@ietf.org</a>; OpsAWG Chairs &lt;<a =
href=3D"mailto:opsawg-chairs@ietf.org" style=3D"color: purple; =
text-decoration: underline;" class=3D"">opsawg-chairs@ietf.org</a>&gt;<br =
class=3D""><b class=3D""><span lang=3D"ZH-CN" =
class=3D"">=E4=B8=BB=E9=A2=98</span>:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [OPSAWG] WG adoption =
poll for draft-zheng-opsawg-tacacs-yang-02<o:p =
class=3D""></o:p></span></div></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><o:p class=3D"">&nbsp;</o:p></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">A few thoughts on =
Eliot=E2=80=99s two questions:<o:p class=3D""></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt 18pt; text-indent: -18pt; font-size: =
12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D""><span class=3D"">1.<span =
style=3D"font-style: normal; font-variant-caps: normal; font-weight: =
normal; font-stretch: normal; font-size: 7pt; line-height: normal; =
font-family: &quot;Times New Roman&quot;;" =
class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span></span></span><span =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">Do we have YANG data model draft developed =
by IETF published as informational RFC? I haven=E2=80=99t seen one.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt =
18pt; text-indent: -18pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93=
;" class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><span class=3D"">2.<span =
style=3D"font-style: normal; font-variant-caps: normal; font-weight: =
normal; font-stretch: normal; font-size: 7pt; line-height: normal; =
font-family: &quot;Times New Roman&quot;;" =
class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span></span></span><span =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">This model uses system management YANG =
data model defined in RFC7317 as base model and augment it with TACACS+ =
specifics, and RFC7317 is standard track RFC.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt =
18pt; text-indent: -18pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93=
;" class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><span class=3D"">3.<span =
style=3D"font-style: normal; font-variant-caps: normal; font-weight: =
normal; font-stretch: normal; font-size: 7pt; line-height: normal; =
font-family: &quot;Times New Roman&quot;;" =
class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span></span></span><span =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">Downref is allowed in some circumstance, =
See RFC3967 section 2, first two bullets.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt =
18pt; text-indent: -18pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93=
;" class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D""><span class=3D"">4.<span =
style=3D"font-style: normal; font-variant-caps: normal; font-weight: =
normal; font-stretch: normal; font-size: 7pt; line-height: normal; =
font-family: &quot;Times New Roman&quot;;" =
class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span></span></span><span =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D"">TACACS+ protocol has been moved for =
publication. Whether or not TACACS++ comes later, TACACS+ will be basis =
for any advanced features. So timing is perfect.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125);" class=3D"">-Qin<o:p =
class=3D""></o:p></span></div><div class=3D""><div style=3D"border-style: =
solid none none; border-top-width: 1pt; border-top-color: rgb(225, 225, =
225); padding: 3pt 0cm 0cm;" class=3D""><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><b=
 class=3D""><span lang=3D"ZH-CN" style=3D"font-size: 11pt; font-family: =
=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA</span></b><b class=3D""><span =
style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91=
, sans-serif;" class=3D"">:</span></b><span style=3D"font-size: 11pt; =
font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, sans-serif;" =
class=3D""><span class=3D"Apple-converted-space">&nbsp;</span>OPSAWG [<a =
href=3D"mailto:opsawg-bounces@ietf.org" style=3D"color: purple; =
text-decoration: underline;" =
class=3D"">mailto:opsawg-bounces@ietf.org</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><b class=3D""><span =
lang=3D"ZH-CN" class=3D"">=E4=BB=A3=E8=A1=A8<span =
class=3D"Apple-converted-space">&nbsp;</span></span></b>Tianran Zhou<br =
class=3D""><b class=3D""><span lang=3D"ZH-CN" =
class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4</span>:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>2019<span lang=3D"ZH-CN" =
class=3D"">=E5=B9=B4</span>7<span lang=3D"ZH-CN" =
class=3D"">=E6=9C=88</span>9<span lang=3D"ZH-CN" =
class=3D"">=E6=97=A5</span><span =
class=3D"Apple-converted-space">&nbsp;</span>10:35<br class=3D""><b =
class=3D""><span lang=3D"ZH-CN" class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA</sp=
an>:</b><span class=3D"Apple-converted-space">&nbsp;</span>Eliot Lear =
&lt;<a href=3D"mailto:lear@cisco.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">lear@cisco.com</a>&gt;<br =
class=3D""><b class=3D""><span lang=3D"ZH-CN" =
class=3D"">=E6=8A=84=E9=80=81</span>:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">opsawg@ietf.org</a>; OpsAWG Chairs &lt;<a =
href=3D"mailto:opsawg-chairs@ietf.org" style=3D"color: purple; =
text-decoration: underline;" class=3D"">opsawg-chairs@ietf.org</a>&gt;<br =
class=3D""><b class=3D""><span lang=3D"ZH-CN" =
class=3D"">=E4=B8=BB=E9=A2=98</span>:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [OPSAWG] WG adoption =
poll for draft-zheng-opsawg-tacacs-yang-02<o:p =
class=3D""></o:p></span></div></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><o:p class=3D"">&nbsp;</o:p></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=
=E4=BD=93; color: rgb(31, 73, 125);" class=3D"">Hi Eliot,<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; =
color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=
=E4=BD=93; color: rgb(31, 73, 125);" class=3D"">Thanks for your =
suggestions. Please see inline.<o:p class=3D""></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-size: 10.5pt; =
font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; color: rgb(31, 73, 125);" =
class=3D""><o:p class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=
=E4=BD=93; color: rgb(31, 73, 125);" class=3D"">Tianran<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; =
color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"border-style: none =
none none solid; border-left-width: 1.5pt; border-left-color: blue; =
padding: 0cm 0cm 0cm 4pt;" class=3D""><div class=3D""><div =
style=3D"border-style: solid none none; border-top-width: 1pt; =
border-top-color: rgb(225, 225, 225); padding: 3pt 0cm 0cm;" =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><b class=3D""><span =
style=3D"font-size: 11pt; font-family: Calibri, sans-serif;" =
class=3D"">From:</span></b><span style=3D"font-size: 11pt; font-family: =
Calibri, sans-serif;" class=3D""><span =
class=3D"Apple-converted-space">&nbsp;</span>Eliot Lear [<a =
href=3D"mailto:lear@cisco.com" style=3D"color: purple; text-decoration: =
underline;" class=3D"">mailto:lear@cisco.com</a>]<span =
class=3D"Apple-converted-space">&nbsp;</span><br class=3D""><b =
class=3D"">Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Monday, July 08, 2019 8:13 =
PM<br class=3D""><b class=3D"">To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Tianran Zhou &lt;<a =
href=3D"mailto:zhoutianran@huawei.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">zhoutianran@huawei.com</a>&gt;<br =
class=3D""><b class=3D"">Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:opsawg@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D"">opsawg@ietf.org</a>; OpsAWG Chairs &lt;<a =
href=3D"mailto:opsawg-chairs@ietf.org" style=3D"color: purple; =
text-decoration: underline;" class=3D"">opsawg-chairs@ietf.org</a>&gt;<br =
class=3D""><b class=3D"">Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [OPSAWG] WG adoption =
poll for draft-zheng-opsawg-tacacs-yang-02<o:p =
class=3D""></o:p></span></div></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><o:p class=3D"">&nbsp;</o:p></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D"">Hi Tianran,<o:p class=3D""></o:p></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><o:p =
class=3D"">&nbsp;</o:p></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D"">I have two concerns about this draft. &nbsp;First is the =
intended status of this document. &nbsp;It currently calls out =
draft-ietf-opsawg-tacacs as an informational reference. &nbsp;I think =
the question here is really whether this draft should also be =
informational. &nbsp;As a practical matter you really do need to have =
implemented the other draft for this one to be implemented. &nbsp;And =
that means that really it should be a normative reference. &nbsp;But it =
would be a downref. &nbsp;To address this, I suggest just making this =
document an informational draft, rather than targeting for standards, =
and make the reference normative.<o:p class=3D""></o:p></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"color: =
rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=
=E4=BD=93; color: rgb(31, 73, 125);" class=3D"">[Tianran] Yes, I have =
the same concern. You provided a good approach. On the other hand, I =
think RFC3967 described this case.<o:p class=3D""></o:p></span></div><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"ZH-CN" style=3D"font-size: =
10.5pt; color: rgb(31, 73, 125);" class=3D"">=E2=80=9C</span><span =
style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; =
color: rgb(31, 73, 125);" class=3D"">2.&nbsp; The Need for Downward =
References<o:p class=3D""></o:p></span></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=
=E4=BD=93; color: rgb(31, 73, 125);" class=3D"">&nbsp;&nbsp;&nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span><span lang=3D"ZH-CN" =
style=3D"font-size: 10.5pt; color: rgb(31, 73, 125);" =
class=3D"">=E2=80=A6</span><span style=3D"font-size: 10.5pt; =
font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; color: rgb(31, 73, 125);" =
class=3D""><o:p class=3D""></o:p></span></div><div style=3D"margin: 0cm =
0cm 0.0001pt 4.8pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=
=E4=BD=93; color: rgb(31, 73, 125);" class=3D"">&nbsp;&nbsp; o&nbsp; A =
standards document may need to refer to a proprietary protocol,<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt =
4.8pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span=
 style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; =
color: rgb(31, 73, 125);" class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; and =
the IETF normally documents proprietary protocols using<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; =
color: rgb(31, 73, 125);" class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
informational RFCs.</span><span lang=3D"ZH-CN" style=3D"font-size: =
10.5pt; color: rgb(31, 73, 125);" class=3D"">=E2=80=9D</span><span =
style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; =
color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><o:p class=3D"">&nbsp;</o:p></div><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D"">In addition, I have another question. &nbsp;Is there interest =
or appetite for creating a standardized and more version of T+? &nbsp;If =
so, is the timing of a standardized YANG model appropriate?<o:p =
class=3D""></o:p></div></div><div class=3D""><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=
=E4=BD=93; color: rgb(31, 73, 125);" class=3D"">[Tianran] I would like =
to see how the WG would like to approach.<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-size: 10.5pt; font-family: =E6=96=B0=E5=AE=8B=E4=BD=93; =
color: rgb(31, 73, 125);" class=3D""><o:p =
class=3D"">&nbsp;</o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D"">Eliot<o:p =
class=3D""></o:p></div></div><div class=3D""><div style=3D"margin: 0cm =
0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><o:p class=3D"">&nbsp;</o:p></div><div class=3D""><p =
class=3D"MsoNormal" style=3D"margin: 0cm 0cm 12pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;"><o:p =
class=3D"">&nbsp;</o:p></p><blockquote style=3D"margin-top: 5pt; =
margin-bottom: 5pt;" class=3D""><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D"">On 7 Jul 2019, at 09:58, Tianran Zhou &lt;<a =
href=3D"mailto:zhoutianran@huawei.com" style=3D"color: purple; =
text-decoration: underline;" class=3D"">zhoutianran@huawei.com</a>&gt; =
wrote:<o:p class=3D""></o:p></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><o:p class=3D"">&nbsp;</o:p></div><div class=3D""><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-size: =
10.5pt; font-family: Calibri, sans-serif;" class=3D"">Hi WG,<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D"">&nbsp;<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D"">This document was presented in Prague. The =
authors have addressed all the comments and believe it</span><span =
style=3D"font-size: 10.5pt; font-family: &quot;Courier New&quot;;" =
class=3D"">=E2=80=99</span><span style=3D"font-size: 10.5pt; =
font-family: Calibri, sans-serif;" class=3D"">s ready for further =
working group discussion.<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><a =
href=3D"https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02" =
style=3D"color: purple; text-decoration: underline;" class=3D""><span =
style=3D"font-size: 10.5pt; font-family: Calibri, sans-serif; color: =
rgb(149, 79, 114);" =
class=3D"">https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02</=
span></a><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D""><o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-size: =
10.5pt; font-family: Calibri, sans-serif;" class=3D"">&nbsp;<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D"">&nbsp;<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D"">This email starts a two weeks poll for =
adoption.<o:p class=3D""></o:p></span></div></div><div class=3D""><div =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =
=E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-size: 10.5pt; =
font-family: Calibri, sans-serif;" class=3D"">If you support adopting =
this document please say so, and please give an indication of why you =
think it is important. Also please say if you will be willing to review =
and help the draft.<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-size: =
10.5pt; font-family: Calibri, sans-serif;" class=3D"">If you do not =
support adopting this document as a starting point for work on this =
topic, please say why..<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-size: =
10.5pt; font-family: Calibri, sans-serif;" class=3D"">This poll will run =
until 22nd July.<o:p class=3D""></o:p></span></div></div><div =
class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; =
font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span style=3D"font-size: =
10.5pt; font-family: Calibri, sans-serif;" class=3D"">&nbsp;<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D"">Regards,<o:p =
class=3D""></o:p></span></div></div><div class=3D""><div style=3D"margin: =
0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" =
class=3D""><span style=3D"font-size: 10.5pt; font-family: Calibri, =
sans-serif;" class=3D"">Tianran &amp; Joe<o:p =
class=3D""></o:p></span></div></div><div style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93; text-align: =
justify;" class=3D""><span style=3D"font-size: 10.5pt; font-family: =
Calibri, sans-serif;" class=3D"">&nbsp;<o:p =
class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span =
style=3D"font-family: Helvetica, sans-serif;" =
class=3D"">_______________________________________________<br =
class=3D"">OPSAWG mailing list<br class=3D""></span><a =
href=3D"mailto:OPSAWG@ietf.org" style=3D"color: purple; text-decoration: =
underline;" class=3D""><span style=3D"font-family: Helvetica, =
sans-serif; color: rgb(149, 79, 114);" =
class=3D"">OPSAWG@ietf.org</span></a><span style=3D"font-family: =
Helvetica, sans-serif;" class=3D""><br class=3D""></span><a =
href=3D"https://www.ietf.org/mailman/listinfo/opsawg" style=3D"color: =
purple; text-decoration: underline;" class=3D""><span =
style=3D"font-family: Helvetica, sans-serif; color: rgb(149, 79, 114);" =
class=3D"">https://www.ietf.org/mailman/listinfo/opsawg</span></a></div></=
div></blockquote></div></div></div></div></div></blockquote></div><br =
class=3D""></body></html>=

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In-Reply-To: <B9E10138-0907-4E70-99BE-FD13A9CD1580@cisco.com>
From: tirumal reddy <kondtir@gmail.com>
Date: Tue, 9 Jul 2019 15:23:00 +0530
Message-ID: <CAFpG3gcUH35WMECAp46f_t2xai+pcKezwdBw+RF5gqwd602EqA@mail.gmail.com>
To: Eliot Lear <lear@cisco.com>
Cc: opsawg@ietf.org, mud@ietf.org
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Subject: Re: [OPSAWG] [Mud] New Version Notification for draft-reddy-opswg-mud-tls-00.txt
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Thanks Eliot, glad to present the draft.

-Tiru

On Mon, 8 Jul 2019 at 20:02, Eliot Lear <lear@cisco.com> wrote:

> I think this is a pretty cool idea.  You should talk about it if you can
> make the side meeting, or otherwise if you can get time at opsawg.
>
> Eliot
>
> On 8 Jul 2019, at 16:03, tirumal reddy <kondtir@gmail.com> wrote:
>
> This draft https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00
> discusses Manufacturer Usage Description (MUD) extension to model (D)TLS
> profile on IoT devices. This allows a firewall to notice abnormal DTLS or
> TLS usage, which has been a strong indicator of other software running on
> the endpoint, typically malware.
>
> Comments, suggestions, and questions are more than welcome.
>
> Cheers,
> -Tiru
>
> ---------- Forwarded message ---------
> From: <internet-drafts@ietf.org>
> Date: Mon, 8 Jul 2019 at 19:18
> Subject: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
> To: Tirumaleswar Reddy <kondtir@gmail.com>, Dan Wing <danwing@gmail.com>
>
>
>
> A new version of I-D, draft-reddy-opswg-mud-tls-00.txt
> has been successfully submitted by Tirumaleswar Reddy and posted to the
> IETF repository.
>
> Name:           draft-reddy-opswg-mud-tls
> Revision:       00
> Title:          MUD (D)TLS profiles for IoT devices
> Document date:  2019-07-08
> Group:          Individual Submission
> Pages:          16
> URL:
> https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-00.txt
> Status:
> https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/
> Htmlized:       https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00
> Htmlized:
> https://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls
>
>
> Abstract:
>    This memo extends Manufacturer Usage Description (MUD) to model DTLS
>    and TLS usage.  This allows a network element to notice abnormal DTLS
>    or TLS usage which has been strong indicator of other software
>    running on the endpoint, typically malware.
>
>
>
>
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> The IETF Secretariat
>
> --
> Mud mailing list
> Mud@ietf.org
> https://www.ietf.org/mailman/listinfo/mud
>
>
>

--0000000000006afc09058d3c87fc
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<div dir=3D"ltr"><div>Thanks Eliot, glad to present the draft.</div><div><b=
r></div><div>-Tiru</div><div><br></div><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Mon, 8 Jul 2019 at 20:02, Eliot Lear &lt;<=
a href=3D"mailto:lear@cisco.com" target=3D"_blank">lear@cisco.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>I thi=
nk this is a pretty cool idea.=C2=A0 You should talk about it if you can ma=
ke the side meeting, or otherwise if you can get time at opsawg.<div><br></=
div><div>Eliot<br><div><br><blockquote type=3D"cite"><div>On 8 Jul 2019, at=
 16:03, tirumal reddy &lt;<a href=3D"mailto:kondtir@gmail.com" target=3D"_b=
lank">kondtir@gmail.com</a>&gt; wrote:</div><br class=3D"m_-776573153154050=
2445gmail-m_-2323667090054278132Apple-interchange-newline"><div><div dir=3D=
"ltr"><div style=3D"margin:0in 0in 0.0001pt;font-size:11pt;font-family:Cali=
bri,sans-serif">This draft <a href=3D"https://tools.ietf.org/html/draft-red=
dy-opswg-mud-tls-00" target=3D"_blank">https://tools.ietf.org/html/draft-re=
ddy-opswg-mud-tls-00</a> discusses Manufacturer Usage Description (MUD) ext=
ension to model (D)TLS profile on IoT devices. This allows a firewall to no=
tice abnormal DTLS or TLS usage, which has been a strong indicator of other=
 software running on the endpoint, typically malware.=C2=A0</div><div style=
=3D"margin:0in 0in 0.0001pt;font-size:11pt;font-family:Calibri,sans-serif">=
<br>Comments, suggestions, and questions are more than welcome.<br><br>Chee=
rs,<br>-Tiru<br></div><div style=3D"margin:0in 0in 0.0001pt;font-size:11pt;=
font-family:Calibri,sans-serif"><br></div><div class=3D"gmail_quote"><div d=
ir=3D"ltr" class=3D"gmail_attr">---------- Forwarded message ---------<br>F=
rom: <span dir=3D"auto">&lt;<a href=3D"mailto:internet-drafts@ietf.org" tar=
get=3D"_blank">internet-drafts@ietf.org</a>&gt;</span><br>Date: Mon, 8 Jul =
2019 at 19:18<br>Subject: New Version Notification for draft-reddy-opswg-mu=
d-tls-00.txt<br>To: Tirumaleswar Reddy &lt;<a href=3D"mailto:kondtir@gmail.=
com" target=3D"_blank">kondtir@gmail.com</a>&gt;, Dan Wing &lt;<a href=3D"m=
ailto:danwing@gmail.com" target=3D"_blank">danwing@gmail.com</a>&gt;<br></d=
iv><br><br><br>
A new version of I-D, draft-reddy-opswg-mud-tls-00.txt<br>
has been successfully submitted by Tirumaleswar Reddy and posted to the<br>
IETF repository.<br>
<br>
Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-reddy-opswg-mud-tls<br>
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A000<br>
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 MUD (D)TLS profiles for IoT device=
s<br>
Document date:=C2=A0 2019-07-08<br>
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Individual Submission<br>
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 16<br>
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://www.ietf.o=
rg/internet-drafts/draft-reddy-opswg-mud-tls-00.txt" rel=3D"noreferrer" tar=
get=3D"_blank">https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-t=
ls-00.txt</a><br>
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.iet=
f.org/doc/draft-reddy-opswg-mud-tls/" rel=3D"noreferrer" target=3D"_blank">=
https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/=
draft-reddy-opswg-mud-tls-00" rel=3D"noreferrer" target=3D"_blank">https://=
tools.ietf.org/html/draft-reddy-opswg-mud-tls-00</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org=
/doc/html/draft-reddy-opswg-mud-tls" rel=3D"noreferrer" target=3D"_blank">h=
ttps://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls</a><br>
<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This memo extends Manufacturer Usage Description (MUD) to mode=
l DTLS<br>
=C2=A0 =C2=A0and TLS usage.=C2=A0 This allows a network element to notice a=
bnormal DTLS<br>
=C2=A0 =C2=A0or TLS usage which has been strong indicator of other software=
<br>
=C2=A0 =C2=A0running on the endpoint, typically malware.<br>
<br>
<br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org/" rel=3D"noreferrer" target=3D"_blank">tools.ietf.org</a>.<br>
<br>
The IETF Secretariat<br>
<br>
</div></div>
-- <br>Mud mailing list<br><a href=3D"mailto:Mud@ietf.org" target=3D"_blank=
">Mud@ietf.org</a><br><a href=3D"https://www.ietf.org/mailman/listinfo/mud"=
 target=3D"_blank">https://www.ietf.org/mailman/listinfo/mud</a><br></div><=
/blockquote></div><br></div></div></blockquote></div></div>

--0000000000006afc09058d3c87fc--


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In-Reply-To: <B8F9A780D330094D99AF023C5877DABAA49CD8C1@nkgeml513-mbx.china.huawei.com>
From: tirumal reddy <kondtir@gmail.com>
Date: Tue, 9 Jul 2019 15:38:59 +0530
Message-ID: <CAFpG3gc4ijy+xH7O_9EzpzwcROu3XcTA4xpSAH9P+oyhWQzMyg@mail.gmail.com>
To: Qin Wu <bill.wu@huawei.com>
Cc: "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
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Subject: Re: [OPSAWG] Fwd: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
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Hi Qin,

Please see inline

On Tue, 9 Jul 2019 at 08:30, Qin Wu <bill.wu@huawei.com> wrote:

> Interesting work, three questions:
>
> 1.       Can the IoT device (D)TLS profile be disclosed to malicious agen=
t or IoT device? If not, how do you prevent these sensitive information lea=
king?
>
> It is not sensitive information, on-path network devices can inspect or
monitor the TLS handshake without acting as a TLS proxy. In TLS
1.3, ClientHello message is not encrypted and few parameters in the
ServerHello message are still visible (such as the chosen cipher).


> 2.       Do you frequently update DTLS profile disclosed to IoT device to=
 prevent malicious agent from snooping?
>
> No, Malware frequently uses its own libraries (SSL config) for its
activities, and malware developers will have to develop malicious agents
per IoT device type, manufacturer and model (which will be several
thousands and practically not possible).

> 3.       How does enterprise firewal use DTLS profile to detect malicious=
 flow or legitimate flow?
>
> If (D)TLS session from the IoT device violates MUD (D)TLS profile,
firewall detects the flow is malicious and blocks it. As you may know,
Enterprise firewalls inspect TLS handshake and are capable of acting as a
(D)TLS proxy (please see
https://tools.ietf.org/html/draft-camwinget-tls-use-cases-05).

Cheers,
-Tiru

-Qin
>
> *=E5=8F=91=E4=BB=B6=E4=BA=BA:* OPSAWG [mailto:opsawg-bounces@ietf.org] *=
=E4=BB=A3=E8=A1=A8 *tirumal reddy
> *=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4:* 2019=E5=B9=B47=E6=9C=888=E6=97=A5=
 22:03
> *=E6=94=B6=E4=BB=B6=E4=BA=BA:* opsawg@ietf.org; mud@ietf.org
> *=E4=B8=BB=E9=A2=98:* [OPSAWG] Fwd: New Version Notification for
> draft-reddy-opswg-mud-tls-00.txt
>
>
>
> This draft https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00
> discusses Manufacturer Usage Description (MUD) extension to model (D)TLS
> profile on IoT devices. This allows a firewall to notice abnormal DTLS or
> TLS usage, which has been a strong indicator of other software running on
> the endpoint, typically malware.
>
>
> Comments, suggestions, and questions are more than welcome.
>
> Cheers,
> -Tiru
>
>
>
> ---------- Forwarded message ---------
> From: <internet-drafts@ietf.org>
> Date: Mon, 8 Jul 2019 at 19:18
> Subject: New Version Notification for draft-reddy-opswg-mud-tls-00.txt
> To: Tirumaleswar Reddy <kondtir@gmail.com>, Dan Wing <danwing@gmail.com>
>
>
>
>
> A new version of I-D, draft-reddy-opswg-mud-tls-00.txt
> has been successfully submitted by Tirumaleswar Reddy and posted to the
> IETF repository.
>
> Name:           draft-reddy-opswg-mud-tls
> Revision:       00
> Title:          MUD (D)TLS profiles for IoT devices
> Document date:  2019-07-08
> Group:          Individual Submission
> Pages:          16
> URL:
> https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-00.txt
> Status:
> https://datatracker.ietf.org/doc/draft-reddy-opswg-mud-tls/
> Htmlized:       https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00
> Htmlized:
> https://datatracker.ietf.org/doc/html/draft-reddy-opswg-mud-tls
>
>
> Abstract:
>    This memo extends Manufacturer Usage Description (MUD) to model DTLS
>    and TLS usage.  This allows a network element to notice abnormal DTLS
>    or TLS usage which has been strong indicator of other software
>    running on the endpoint, typically malware.
>
>
>
>
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> The IETF Secretariat
>

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

<div dir=3D"ltr"><div>Hi Qin,</div><div><br></div><div>Please see inline</d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On =
Tue, 9 Jul 2019 at 08:30, Qin Wu &lt;<a href=3D"mailto:bill.wu@huawei.com">=
bill.wu@huawei.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 lang=3D"ZH-CN">
<div class=3D"gmail-m_5724863596276739817WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:Calibri,sans-serif;color:rgb(31,73,125)">Interesting work, three que=
stions:<u></u><u></u></span></p>
<pre style=3D"margin-left:18pt"><u></u><span lang=3D"EN-US" style=3D"font-s=
ize:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><span>1.<sp=
an style=3D"font:7pt &quot;Times New Roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 </span></span></span><u></u><span lang=3D"EN-US" style=3D"font=
-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Can the I=
oT device (D)TLS profile be disclosed to malicious agent or IoT device? If =
not, how do you prevent these sensitive information leaking?</span></pre></=
div></div></blockquote><div>It is not sensitive information, on-path networ=
k devices can inspect or monitor the TLS handshake without acting as a TLS =
proxy. In TLS 1.3,=C2=A0ClientHello message is not encrypted and few parame=
ters in the ServerHello message are still visible (such as the chosen ciphe=
r).</div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin=
:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"=
><div lang=3D"ZH-CN"><div class=3D"gmail-m_5724863596276739817WordSection1"=
><pre style=3D"margin-left:18pt"><span lang=3D"EN-US" style=3D"font-size:10=
.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u><u></u></s=
pan></pre>
<pre style=3D"margin-left:18pt"><u></u><span lang=3D"EN-US" style=3D"font-s=
ize:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><span>2.<sp=
an style=3D"font:7pt &quot;Times New Roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 </span></span></span><u></u><span lang=3D"EN-US" style=3D"font=
-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Do you fr=
equently update DTLS profile disclosed to IoT device to prevent malicious a=
gent from snooping?</span></pre></div></div></blockquote><div>No, Malware f=
requently uses its own libraries (SSL config) for its activities, and malwa=
re developers will have to develop malicious agents per IoT device type, ma=
nufacturer and model (which will be several thousands and practically not p=
ossible).=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div=
 lang=3D"ZH-CN"><div class=3D"gmail-m_5724863596276739817WordSection1"><pre=
 style=3D"margin-left:18pt"><span lang=3D"EN-US" style=3D"font-size:10.5pt;=
font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u></u><u></u></span><=
/pre>
<pre style=3D"margin-left:18pt"><u></u><span lang=3D"EN-US" style=3D"font-s=
ize:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><span>3.<sp=
an style=3D"font:7pt &quot;Times New Roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 </span></span></span><u></u><span lang=3D"EN-US" style=3D"font=
-size:10.5pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">How does =
enterprise firewal use DTLS profile to detect malicious flow or legitimate =
flow? </span></pre></div></div></blockquote><div>If (D)TLS session from the=
 IoT device violates MUD (D)TLS profile, firewall detects the flow is malic=
ious and blocks it. As you may know, Enterprise firewalls inspect TLS hands=
hake and are capable of acting as a (D)TLS proxy (please see=C2=A0<a href=
=3D"https://tools.ietf.org/html/draft-camwinget-tls-use-cases-05">https://t=
ools.ietf.org/html/draft-camwinget-tls-use-cases-05</a>).=C2=A0</div><div><=
br></div><div>Cheers,</div><div>-Tiru</div><div><br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex"><div lang=3D"ZH-CN"><div class=3D"gmail-m_=
5724863596276739817WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:Calibri,sans-serif;color:rgb(31,73,125)">-Qin<u></u><u></u></span></=
p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:11pt;font-family:=E5=BE=
=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif">=E5=8F=91=E4=BB=B6=E4=BA=BA<span=
 lang=3D"EN-US">:</span></span></b><span lang=3D"EN-US" style=3D"font-size:=
11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif"> OPSAWG [=
mailto:<a href=3D"mailto:opsawg-bounces@ietf.org" target=3D"_blank">opsawg-=
bounces@ietf.org</a>]
</span><b><span style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91,sans-serif">=E4=BB=A3=E8=A1=A8 </span>
</b><span lang=3D"EN-US" style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=
=BD=AF=E9=9B=85=E9=BB=91,sans-serif">tirumal reddy<br>
</span><b><span style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=
=9B=85=E9=BB=91,sans-serif">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4<span lang=
=3D"EN-US">:</span></span></b><span lang=3D"EN-US" style=3D"font-size:11pt;=
font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91,sans-serif"> 2019</span><s=
pan style=3D"font-size:11pt;font-family:=E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=
=91,sans-serif">=E5=B9=B4<span lang=3D"EN-US">7</span>=E6=9C=88<span lang=
=3D"EN-US">8</span>=E6=97=A5<span lang=3D"EN-US">
 22:03<br>
</span><b>=E6=94=B6=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US">:</span></b><span=
 lang=3D"EN-US"> <a href=3D"mailto:opsawg@ietf.org" target=3D"_blank">opsaw=
g@ietf.org</a>; <a href=3D"mailto:mud@ietf.org" target=3D"_blank">mud@ietf.=
org</a><br>
</span><b>=E4=B8=BB=E9=A2=98<span lang=3D"EN-US">:</span></b><span lang=3D"=
EN-US"> [OPSAWG] Fwd: New Version Notification for draft-reddy-opswg-mud-tl=
s-00.txt<u></u><u></u></span></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11pt;font-fa=
mily:Calibri,sans-serif">This draft
<a href=3D"https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00" target=
=3D"_blank">https://tools.ietf.org/html/draft-reddy-opswg-mud-tls-00</a> di=
scusses Manufacturer Usage Description (MUD) extension to model (D)TLS prof=
ile on IoT devices. This allows a firewall to notice
 abnormal DTLS or TLS usage, which has been a strong indicator of other sof=
tware running on the endpoint, typically malware.=C2=A0<u></u><u></u></span=
></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11pt;font-fa=
mily:Calibri,sans-serif"><br>
Comments, suggestions, and questions are more than welcome.<br>
<br>
Cheers,<br>
-Tiru<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11pt;font-fa=
mily:Calibri,sans-serif"><u></u>=C2=A0<u></u></span></p>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">---------- Forwarded message --=
-------<br>
From: &lt;<a href=3D"mailto:internet-drafts@ietf.org" target=3D"_blank">int=
ernet-drafts@ietf.org</a>&gt;<br>
Date: Mon, 8 Jul 2019 at 19:18<br>
Subject: New Version Notification for draft-reddy-opswg-mud-tls-00.txt<br>
To: Tirumaleswar Reddy &lt;<a href=3D"mailto:kondtir@gmail.com" target=3D"_=
blank">kondtir@gmail.com</a>&gt;, Dan Wing &lt;<a href=3D"mailto:danwing@gm=
ail.com" target=3D"_blank">danwing@gmail.com</a>&gt;<u></u><u></u></span></=
p>
</div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12pt"><span lang=3D"EN-US"><b=
r>
<br>
<br>
A new version of I-D, draft-reddy-opswg-mud-tls-00.txt<br>
has been successfully submitted by Tirumaleswar Reddy and posted to the<br>
IETF repository.<br>
<br>
Name:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-reddy-opswg-mud-tls<br>
Revision:=C2=A0 =C2=A0 =C2=A0 =C2=A000<br>
Title:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 MUD (D)TLS profiles for IoT device=
s<br>
Document date:=C2=A0 2019-07-08<br>
Group:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Individual Submission<br>
Pages:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 16<br>
URL:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://www.ietf.o=
rg/internet-drafts/draft-reddy-opswg-mud-tls-00.txt" target=3D"_blank">
https://www.ietf.org/internet-drafts/draft-reddy-opswg-mud-tls-00.txt</a><b=
r>
Status:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.iet=
f.org/doc/draft-reddy-opswg-mud-tls/" target=3D"_blank">https://datatracker=
.ietf.org/doc/draft-reddy-opswg-mud-tls/</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/=
draft-reddy-opswg-mud-tls-00" target=3D"_blank">https://tools.ietf.org/html=
/draft-reddy-opswg-mud-tls-00</a><br>
Htmlized:=C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org=
/doc/html/draft-reddy-opswg-mud-tls" target=3D"_blank">https://datatracker.=
ietf.org/doc/html/draft-reddy-opswg-mud-tls</a><br>
<br>
<br>
Abstract:<br>
=C2=A0 =C2=A0This memo extends Manufacturer Usage Description (MUD) to mode=
l DTLS<br>
=C2=A0 =C2=A0and TLS usage.=C2=A0 This allows a network element to notice a=
bnormal DTLS<br>
=C2=A0 =C2=A0or TLS usage which has been strong indicator of other software=
<br>
=C2=A0 =C2=A0running on the endpoint, typically malware.<br>
<br>
<br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at <a href=3D"http://tool=
s.ietf.org" target=3D"_blank">
tools.ietf.org</a>.<br>
<br>
The IETF Secretariat<u></u><u></u></span></p>
</div>
</div>
</div>
</div>

</blockquote></div></div>

--0000000000008110da058d3cc006--


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Subject: [OPSAWG] putting quarantined IoT devices behind a captive portal
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--=-=-=
Content-Type: text/plain


Between editing drafts yesterday, I got to thinking about CAPPORT.
I have been working on what to do when an IoT device violates it's MUD
profile.  There are a bunch of issues around this.

Yesterday, it occured to me that when such a device is quarantined
(I really think it should be "quaranteed", but that's not a word)
that the capport controls and APIs should be available to the device to
learn what went on.

This is not new, I think that this as been the approach of most enterprise
NEA systems upon encountering "infection".  This has, I assume, involved
forced HTTP proxies to inform human.  But, if we have APIs, we can inform
device as well.

Is this on anyone's radar?

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




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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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I=E2=80=99m not quite certain how it would work.  Can you show a flow =
that will work for an IoT device (e.g., headless and no display)?

Eliot

> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.ca> =
wrote:
>=20
> Signed PGP part
>=20
> Between editing drafts yesterday, I got to thinking about CAPPORT.
> I have been working on what to do when an IoT device violates it's MUD
> profile.  There are a bunch of issues around this.
>=20
> Yesterday, it occured to me that when such a device is quarantined
> (I really think it should be "quaranteed", but that's not a word)
> that the capport controls and APIs should be available to the device =
to
> learn what went on.
>=20
> This is not new, I think that this as been the approach of most =
enterprise
> NEA systems upon encountering "infection".  This has, I assume, =
involved
> forced HTTP proxies to inform human.  But, if we have APIs, we can =
inform
> device as well.
>=20
> Is this on anyone's radar?
>=20
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
> -=3D IPv6 IoT consulting =3D-
>=20
>=20
>=20
>=20
>=20


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From: "Joe Clarke (jclarke)" <jclarke@cisco.com>
To: Eliot Lear <lear@cisco.com>
CC: "Wubo (lana)" <lana.wubo@huawei.com>, Qin Wu <bill.wu@huawei.com>, Tianran Zhou <zhoutianran@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>, OpsAWG Chairs <opsawg-chairs@ietf.org>
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Subject: Re: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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From nobody Tue Jul  9 08:49:41 2019
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Subject: [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacacs-yang-02
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> This document was presented in Prague. The authors have addressed all the comments and believe it's ready for further working group discussion.
> 
> https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang-02
> 
> This email starts a two weeks poll for adoption.
> 
> If you support adopting this document please say so, and please give an indication of why you think it is important. Also please say if you will be willing to review and help the draft.

I support adoption.  As with RADIUS, a model is necessary to configure
Tacacs+ servers on Tacacs+ client devices.


From nobody Tue Jul  9 11:39:17 2019
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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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--=-=-=
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Eliot Lear <lear@cisco.com> wrote:
    > I=E2=80=99m not quite certain how it would work.  Can you show a flow=
 that will
    > work for an IoT device (e.g., headless and no display)?

Device gets quarantined, and the MUD-controller moves it into an isolated
"VLAN".  I put air/scare quotes around VLAN, because it's a "MAC-address
VLAN", not an 802.1Q thing.  It's really just a layer-2 ACL.

{We have no way to force the mishaving device into tagging it's packets, nor
can we force it onto some other ESSID. We can't do a "port-based" VLAN,
because wifi has no ports, and we don't really know how many unmanaged
switches might be on the port anyway.
One might map this onto a IEEE 802.1Q VLAN across a backbone}

Instead of just dropping all traffic for a device in this category,
all traffic (other than excepted traffic if you implement
https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quarantined-acces=
s/)
would go into a captive portal system.

Such a system would, according to
https://datatracker.ietf.org/doc/draft-ietf-capport-architecture/
receive a message when it initiates connections which are not allowed.
(While the capport WG contemplated an ICMP unreachable message with a
URI in it at one point, that is not the current design)

Actually, I have no idea from reviewing the documentation what the
appropriate "you might be captive" ICMP is now.. THERE IS ONE RIGHT?

Once the IoT device gets such a message, it can use the API
described at: https://datatracker.ietf.org/doc/draft-ietf-capport-api/
to retrieve a JSON object telling it that it is captive. At which point, it
can flash a LED, or attempt a firmware upgrade, or maybe just reboot if a
timer goes off.  (%)

This requires that the IoT device get the captive portal API end point, whi=
ch
https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/ can deliver
via DHCPv4/v6 or RA.


    >> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.ca>
    >> wrote:
    >>
    >> Signed PGP part
    >>
    >> Between editing drafts yesterday, I got to thinking about CAPPORT.  I
    >> have been working on what to do when an IoT device violates it's MUD
    >> profile.  There are a bunch of issues around this.
    >>
    >> Yesterday, it occured to me that when such a device is quarantined (I
    >> really think it should be "quaranteed", but that's not a word) that
    >> the capport controls and APIs should be available to the device to
    >> learn what went on.
    >>
    >> This is not new, I think that this as been the approach of most
    >> enterprise NEA systems upon encountering "infection".  This has, I
    >> assume, involved forced HTTP proxies to inform human.  But, if we ha=
ve
    >> APIs, we can inform device as well.
    >>
    >> Is this on anyone's radar?
    >>
    >> --
    >> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
    >> -=3D IPv6 IoT consulting =3D-
    >>
    >>
    >>
    >>
    >>


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




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Subject: [OPSAWG] putting quarantined IoT devices behind a captive portal (fwd) Michael Richardson: putting quarantined IoT devices behind a captive portal
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Again, a WG whose ML is not the WG name, and there is no alias. ARGH.
Here are some emails that didn't get to captive-portals@ietf.org.
Sorry for the duplication for others.


--==-=-=
Content-Type: message/rfc822
Content-Disposition: inline; filename=2966
Content-Description: forwarded message

From: Michael Richardson <mcr+ietf@sandelman.ca>
To: "opsawg\@ietf.org" <opsawg@ietf.org>, "mud\@ietf.org" <mud@ietf.org>,
    capport@ietf.org
Subject: putting quarantined IoT devices behind a captive portal
In-Reply-To: <CAFpG3gc4ijy+xH7O_9EzpzwcROu3XcTA4xpSAH9P+oyhWQzMyg@mail.gmail.com>
References: <B8F9A780D330094D99AF023C5877DABAA49CD8C1@nkgeml513-mbx.china.huawei.com> <CAFpG3gc4ijy+xH7O_9EzpzwcROu3XcTA4xpSAH9P+oyhWQzMyg@mail.gmail.com>
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Date: Tue, 09 Jul 2019 10:41:58 -0400
Message-ID: <4486.1562683318@localhost>

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


Between editing drafts yesterday, I got to thinking about CAPPORT.
I have been working on what to do when an IoT device violates it's MUD
profile.  There are a bunch of issues around this.

Yesterday, it occured to me that when such a device is quarantined
(I really think it should be "quaranteed", but that's not a word)
that the capport controls and APIs should be available to the device to
learn what went on.

This is not new, I think that this as been the approach of most enterprise
NEA systems upon encountering "infection".  This has, I assume, involved
forced HTTP proxies to inform human.  But, if we have APIs, we can inform
device as well.

Is this on anyone's radar?

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




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--==-=-=
Content-Type: message/rfc822
Content-Disposition: inline; filename=2978
Content-Description: forwarded message

From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Eliot Lear <lear@cisco.com>
cc: "opsawg\@ietf.org" <opsawg@ietf.org>, "mud\@ietf.org" <mud@ietf.org>,
    capport@ietf.org
Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
In-Reply-To: <7534958E-E1A6-470D-B4BB-6B88CD27B54C@cisco.com>
References: <B8F9A780D330094D99AF023C5877DABAA49CD8C1@nkgeml513-mbx.china.huawei.com> <CAFpG3gc4ijy+xH7O_9EzpzwcROu3XcTA4xpSAH9P+oyhWQzMyg@mail.gmail.com> <4486.1562683318@localhost> <7534958E-E1A6-470D-B4BB-6B88CD27B54C@cisco.com>
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MIME-Version: 1.0
Content-Type: multipart/signed; boundary="=-=-=";
	micalg=pgp-sha256; protocol="application/pgp-signature"
Date: Tue, 09 Jul 2019 14:38:58 -0400
Message-ID: <27334.1562697538@localhost>

--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable


Eliot Lear <lear@cisco.com> wrote:
    > I=E2=80=99m not quite certain how it would work.  Can you show a flow=
 that will
    > work for an IoT device (e.g., headless and no display)?

Device gets quarantined, and the MUD-controller moves it into an isolated
"VLAN".  I put air/scare quotes around VLAN, because it's a "MAC-address
VLAN", not an 802.1Q thing.  It's really just a layer-2 ACL.

{We have no way to force the mishaving device into tagging it's packets, nor
can we force it onto some other ESSID. We can't do a "port-based" VLAN,
because wifi has no ports, and we don't really know how many unmanaged
switches might be on the port anyway.
One might map this onto a IEEE 802.1Q VLAN across a backbone}

Instead of just dropping all traffic for a device in this category,
all traffic (other than excepted traffic if you implement
https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quarantined-acces=
s/)
would go into a captive portal system.

Such a system would, according to
https://datatracker.ietf.org/doc/draft-ietf-capport-architecture/
receive a message when it initiates connections which are not allowed.
(While the capport WG contemplated an ICMP unreachable message with a
URI in it at one point, that is not the current design)

Actually, I have no idea from reviewing the documentation what the
appropriate "you might be captive" ICMP is now.. THERE IS ONE RIGHT?

Once the IoT device gets such a message, it can use the API
described at: https://datatracker.ietf.org/doc/draft-ietf-capport-api/
to retrieve a JSON object telling it that it is captive. At which point, it
can flash a LED, or attempt a firmware upgrade, or maybe just reboot if a
timer goes off.  (%)

This requires that the IoT device get the captive portal API end point, whi=
ch
https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/ can deliver
via DHCPv4/v6 or RA.


    >> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.ca>
    >> wrote:
    >>
    >> Signed PGP part
    >>
    >> Between editing drafts yesterday, I got to thinking about CAPPORT.  I
    >> have been working on what to do when an IoT device violates it's MUD
    >> profile.  There are a bunch of issues around this.
    >>
    >> Yesterday, it occured to me that when such a device is quarantined (I
    >> really think it should be "quaranteed", but that's not a word) that
    >> the capport controls and APIs should be available to the device to
    >> learn what went on.
    >>
    >> This is not new, I think that this as been the approach of most
    >> enterprise NEA systems upon encountering "infection".  This has, I
    >> assume, involved forced HTTP proxies to inform human.  But, if we ha=
ve
    >> APIs, we can inform device as well.
    >>
    >> Is this on anyone's radar?
    >>
    >> --
    >> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
    >> -=3D IPv6 IoT consulting =3D-
    >>
    >>
    >>
    >>
    >>


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




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




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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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It=E2=80=99s the following part that I=E2=80=99m thinking about:

> On 9 Jul 2019, at 20:38, Michael Richardson <mcr+ietf@sandelman.ca> =
wrote:
>=20
> Such a system would, according to
> https://datatracker.ietf.org/doc/draft-ietf-capport-architecture/
> receive a message when it initiates connections which are not allowed.
> (While the capport WG contemplated an ICMP unreachable message with a
> URI in it at one point, that is not the current design)
>=20
> Actually, I have no idea from reviewing the documentation what the
> appropriate "you might be captive" ICMP is now.. THERE IS ONE RIGHT?
>=20
> Once the IoT device gets such a message, it can use the API
> described at: https://datatracker.ietf.org/doc/draft-ietf-capport-api/
> to retrieve a JSON object telling it that it is captive. At which =
point, it
> can flash a LED, or attempt a firmware upgrade, or maybe just reboot =
if a
> timer goes off.  (%)
>=20


You are suggesting that a device self-remediate.  Some devices may be =
able to eventually do that, but I have my doubts.  Were I a hacker, I =
would have the device pretend to do just that.  And so this ties =
somewhat to RATS.  I think a MUD extension might be able to help in as =
much as one could imagine a =E2=80=9Cremediation=E2=80=9D =
recommendation.

Eliot

> This requires that the IoT device get the captive portal API end =
point, which
> https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/ can =
deliver
> via DHCPv4/v6 or RA.
>=20
>=20
>>> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.ca>
>>> wrote:
>>>=20
>>> Signed PGP part
>>>=20
>>> Between editing drafts yesterday, I got to thinking about CAPPORT.  =
I
>>> have been working on what to do when an IoT device violates it's MUD
>>> profile.  There are a bunch of issues around this.
>>>=20
>>> Yesterday, it occured to me that when such a device is quarantined =
(I
>>> really think it should be "quaranteed", but that's not a word) that
>>> the capport controls and APIs should be available to the device to
>>> learn what went on.
>>>=20
>>> This is not new, I think that this as been the approach of most
>>> enterprise NEA systems upon encountering "infection".  This has, I
>>> assume, involved forced HTTP proxies to inform human.  But, if we =
have
>>> APIs, we can inform device as well.
>>>=20
>>> Is this on anyone's radar?
>>>=20
>>> --
>>> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>>> -=3D IPv6 IoT consulting =3D-
>>>=20
>>>=20
>>>=20
>>>=20
>>>=20
>=20
>=20
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
> -=3D IPv6 IoT consulting =3D-
>=20
>=20
>=20


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From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Michael Richardson <mcr+ietf@sandelman.ca>
CC: Eliot Lear <lear@cisco.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>, <capport@ietf.org>
Message-ID: <20190709194614.pbqcbi7dvk75w4ms@anna.jacobs.jacobs-university.de>
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References: <B8F9A780D330094D99AF023C5877DABAA49CD8C1@nkgeml513-mbx.china.huawei.com> <CAFpG3gc4ijy+xH7O_9EzpzwcROu3XcTA4xpSAH9P+oyhWQzMyg@mail.gmail.com> <4486.1562683318@localhost> <7534958E-E1A6-470D-B4BB-6B88CD27B54C@cisco.com> <27334.1562697538@localhost>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/w0r9r-nCCfxkACs7Zg2LFh0DgfA>
Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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Michael,

would an ICMP "administratively prohibited" not be a sufficient
signal? Sure, things can be made much more complex, but I doubt that
devices will try to actively investigate why they can't communicate
(and implement additional protocols for this) if all they can do at
the end is to change the color of an led or simply shut-off (i.e.,
stop assuming its a temporary network issue and reduce/stop probing
effort).

/js

On Tue, Jul 09, 2019 at 02:38:58PM -0400, Michael Richardson wrote:
>=20
> Eliot Lear <lear@cisco.com> wrote:
>     > I=E2=80=99m not quite certain how it would work.  Can you show a =
flow that will
>     > work for an IoT device (e.g., headless and no display)?
>=20
> Device gets quarantined, and the MUD-controller moves it into an isolat=
ed
> "VLAN".  I put air/scare quotes around VLAN, because it's a "MAC-addres=
s
> VLAN", not an 802.1Q thing.  It's really just a layer-2 ACL.
>=20
> {We have no way to force the mishaving device into tagging it's packets=
, nor
> can we force it onto some other ESSID. We can't do a "port-based" VLAN,
> because wifi has no ports, and we don't really know how many unmanaged
> switches might be on the port anyway.
> One might map this onto a IEEE 802.1Q VLAN across a backbone}
>=20
> Instead of just dropping all traffic for a device in this category,
> all traffic (other than excepted traffic if you implement
> https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quarantined-a=
ccess/)
> would go into a captive portal system.
>=20
> Such a system would, according to
> https://datatracker.ietf.org/doc/draft-ietf-capport-architecture/
> receive a message when it initiates connections which are not allowed.
> (While the capport WG contemplated an ICMP unreachable message with a
> URI in it at one point, that is not the current design)
>=20
> Actually, I have no idea from reviewing the documentation what the
> appropriate "you might be captive" ICMP is now.. THERE IS ONE RIGHT?
>=20
> Once the IoT device gets such a message, it can use the API
> described at: https://datatracker.ietf.org/doc/draft-ietf-capport-api/
> to retrieve a JSON object telling it that it is captive. At which point=
, it
> can flash a LED, or attempt a firmware upgrade, or maybe just reboot if=
 a
> timer goes off.  (%)
>=20
> This requires that the IoT device get the captive portal API end point,=
 which
> https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/ can del=
iver
> via DHCPv4/v6 or RA.
>=20
>=20
>     >> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.=
ca>
>     >> wrote:
>     >>
>     >> Signed PGP part
>     >>
>     >> Between editing drafts yesterday, I got to thinking about CAPPOR=
T.  I
>     >> have been working on what to do when an IoT device violates it's=
 MUD
>     >> profile.  There are a bunch of issues around this.
>     >>
>     >> Yesterday, it occured to me that when such a device is quarantin=
ed (I
>     >> really think it should be "quaranteed", but that's not a word) t=
hat
>     >> the capport controls and APIs should be available to the device =
to
>     >> learn what went on.
>     >>
>     >> This is not new, I think that this as been the approach of most
>     >> enterprise NEA systems upon encountering "infection".  This has,=
 I
>     >> assume, involved forced HTTP proxies to inform human.  But, if w=
e have
>     >> APIs, we can inform device as well.
>     >>
>     >> Is this on anyone's radar?
>     >>
>     >> --
>     >> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software W=
orks
>     >> -=3D IPv6 IoT consulting =3D-
>     >>
>     >>
>     >>
>     >>
>     >>
>=20
>=20
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -=3D IPv6 IoT consulting =3D-
>=20
>=20
>=20



> _______________________________________________
> OPSAWG mailing list
> OPSAWG@ietf.org
> https://www.ietf.org/mailman/listinfo/opsawg


--=20
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1 | 28759 Bremen | Germany
Fax:   +49 421 200 3103         <https://www.jacobs-university.de/>


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From: "M. Ranganathan" <mranga@gmail.com>
Date: Tue, 9 Jul 2019 16:13:06 -0400
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To: Michael Richardson <mcr+ietf@sandelman.ca>
Cc: Eliot Lear <lear@cisco.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>, capport@ietf.org
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Subject: Re: [OPSAWG] [Mud] putting quarantined IoT devices behind a captive portal
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--0000000000007f53ed058d4532ca
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The current draft https://datatracker.ietf.org/doc/draft-ietf-capport-api/
Assumes that the "quarantined device" can access a subset of the ACE's
allowed to the "unquarantined" device.
However, I can think of a scenario where this does not have to be the case.
I'd propose to generalize this.

i.e. There are two sets of ACL's - one for normal operation and one for
quarantined access. (i.e. quarantine access is not necessarily a subset of
regular access).

Use case:

Under normal circumstances, the device does not need SSH access (port 22 is
not open). However, if the device is misbehaving some external agent (or
human maybe) logs in and investigates the issue.  The fix could involve
copying new firmware.

Does this make sense?

Another thing that is missing currently is how to "clear" the quarantine
state at the enforcement point. This would need an API defintion of we want
to make that portable.

Regards,

Ranga


On Tue, Jul 9, 2019 at 2:39 PM Michael Richardson <mcr+ietf@sandelman.ca>
wrote:

>
> Eliot Lear <lear@cisco.com> wrote:
>     > I=E2=80=99m not quite certain how it would work.  Can you show a fl=
ow that
> will
>     > work for an IoT device (e.g., headless and no display)?
>
> Device gets quarantined, and the MUD-controller moves it into an isolated
> "VLAN".  I put air/scare quotes around VLAN, because it's a "MAC-address
> VLAN", not an 802.1Q thing.  It's really just a layer-2 ACL.
>
> {We have no way to force the mishaving device into tagging it's packets,
> nor
> can we force it onto some other ESSID. We can't do a "port-based" VLAN,
> because wifi has no ports, and we don't really know how many unmanaged
> switches might be on the port anyway.
> One might map this onto a IEEE 802.1Q VLAN across a backbone}
>
> Instead of just dropping all traffic for a device in this category,
> all traffic (other than excepted traffic if you implement
>
> https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quarantined-acc=
ess/
> )
> would go into a captive portal system.
>
> Such a system would, according to
> https://datatracker.ietf.org/doc/draft-ietf-capport-architecture/
> receive a message when it initiates connections which are not allowed.
> (While the capport WG contemplated an ICMP unreachable message with a
> URI in it at one point, that is not the current design)
>
> Actually, I have no idea from reviewing the documentation what the
> appropriate "you might be captive" ICMP is now.. THERE IS ONE RIGHT?
>
> Once the IoT device gets such a message, it can use the API
> described at: https://datatracker.ietf.org/doc/draft-ietf-capport-api/
> to retrieve a JSON object telling it that it is captive. At which point, =
it
> can flash a LED, or attempt a firmware upgrade, or maybe just reboot if a
> timer goes off.  (%)
>
> This requires that the IoT device get the captive portal API end point,
> which
> https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/ can
> deliver
> via DHCPv4/v6 or RA.
>
>
>     >> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.ca=
>
>     >> wrote:
>     >>
>     >> Signed PGP part
>     >>
>     >> Between editing drafts yesterday, I got to thinking about CAPPORT.
> I
>     >> have been working on what to do when an IoT device violates it's M=
UD
>     >> profile.  There are a bunch of issues around this.
>     >>
>     >> Yesterday, it occured to me that when such a device is quarantined
> (I
>     >> really think it should be "quaranteed", but that's not a word) tha=
t
>     >> the capport controls and APIs should be available to the device to
>     >> learn what went on.
>     >>
>     >> This is not new, I think that this as been the approach of most
>     >> enterprise NEA systems upon encountering "infection".  This has, I
>     >> assume, involved forced HTTP proxies to inform human.  But, if we
> have
>     >> APIs, we can inform device as well.
>     >>
>     >> Is this on anyone's radar?
>     >>
>     >> --
>     >> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software
> Works
>     >> -=3D IPv6 IoT consulting =3D-
>     >>
>     >>
>     >>
>     >>
>     >>
>
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -=3D IPv6 IoT consulting =3D-
>
>
>
> --
> Mud mailing list
> Mud@ietf.org
> https://www.ietf.org/mailman/listinfo/mud
>


--=20
M. Ranganathan

--0000000000007f53ed058d4532ca
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>The current draft <a href=3D"https://datatracker.ietf=
.org/doc/draft-ietf-capport-api/" target=3D"_blank">https://datatracker.iet=
f.org/doc/draft-ietf-capport-api/</a></div><div>Assumes that the &quot;quar=
antined device&quot; can access a subset of the ACE&#39;s allowed to the &q=
uot;unquarantined&quot; device.</div><div>However, I can think of a scenari=
o where this does not have to be the case. I&#39;d propose to generalize th=
is.</div><div><br></div><div>i.e. There are two sets of ACL&#39;s - one for=
 normal operation and one for quarantined access. (i.e. quarantine access i=
s not necessarily a subset of regular access).<br></div><div><br></div><div=
>Use case:</div><div><br></div><div>Under normal circumstances, the device =
does not need SSH access (port 22 is not open). However, if the device is m=
isbehaving some external agent (or human maybe) logs in and investigates th=
e issue.=C2=A0 The fix could involve copying new firmware.</div><div><br></=
div><div>Does this=C2=A0make sense?</div><div><br></div><div>Another thing =
that is missing currently is how to &quot;clear&quot; the quarantine state =
at the enforcement point. This would need an API defintion of we want to ma=
ke that portable.<br></div><div><br></div><div>Regards,</div><div><br></div=
><div>Ranga<br></div><div><br></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Tue, Jul 9, 2019 at 2:39 PM Michael Richar=
dson &lt;<a href=3D"mailto:mcr%2Bietf@sandelman.ca" target=3D"_blank">mcr+i=
etf@sandelman.ca</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);pa=
dding-left:1ex"><br>
Eliot Lear &lt;<a href=3D"mailto:lear@cisco.com" target=3D"_blank">lear@cis=
co.com</a>&gt; wrote:<br>
=C2=A0 =C2=A0 &gt; I=E2=80=99m not quite certain how it would work.=C2=A0 C=
an you show a flow that will<br>
=C2=A0 =C2=A0 &gt; work for an IoT device (e.g., headless and no display)?<=
br>
<br>
Device gets quarantined, and the MUD-controller moves it into an isolated<b=
r>
&quot;VLAN&quot;.=C2=A0 I put air/scare quotes around VLAN, because it&#39;=
s a &quot;MAC-address<br>
VLAN&quot;, not an 802.1Q thing.=C2=A0 It&#39;s really just a layer-2 ACL.<=
br>
<br>
{We have no way to force the mishaving device into tagging it&#39;s packets=
, nor<br>
can we force it onto some other ESSID. We can&#39;t do a &quot;port-based&q=
uot; VLAN,<br>
because wifi has no ports, and we don&#39;t really know how many unmanaged<=
br>
switches might be on the port anyway.<br>
One might map this onto a IEEE 802.1Q VLAN across a backbone}<br>
<br>
Instead of just dropping all traffic for a device in this category,<br>
all traffic (other than excepted traffic if you implement<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quaran=
tined-access/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.iet=
f.org/doc/draft-richardson-shg-mud-quarantined-access/</a>)<br>
would go into a captive portal system.<br>
<br>
Such a system would, according to<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-capport-architecture=
/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/dr=
aft-ietf-capport-architecture/</a><br>
receive a message when it initiates connections which are not allowed.<br>
(While the capport WG contemplated an ICMP unreachable message with a<br>
URI in it at one point, that is not the current design)<br>
<br>
Actually, I have no idea from reviewing the documentation what the<br>
appropriate &quot;you might be captive&quot; ICMP is now.. THERE IS ONE RIG=
HT?<br>
<br>
Once the IoT device gets such a message, it can use the API<br>
described at: <a href=3D"https://datatracker.ietf.org/doc/draft-ietf-cappor=
t-api/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/d=
oc/draft-ietf-capport-api/</a><br>
to retrieve a JSON object telling it that it is captive. At which point, it=
<br>
can flash a LED, or attempt a firmware upgrade, or maybe just reboot if a<b=
r>
timer goes off.=C2=A0 (%)<br>
<br>
This requires that the IoT device get the captive portal API end point, whi=
ch<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/"=
 rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/draf=
t-ietf-capport-rfc7710bis/</a> can deliver<br>
via DHCPv4/v6 or RA.<br>
<br>
<br>
=C2=A0 =C2=A0 &gt;&gt; On 9 Jul 2019, at 16:41, Michael Richardson &lt;<a h=
ref=3D"mailto:mcr%2Bietf@sandelman.ca" target=3D"_blank">mcr+ietf@sandelman=
.ca</a>&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; wrote:<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Signed PGP part<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Between editing drafts yesterday, I got to thinking =
about CAPPORT.=C2=A0 I<br>
=C2=A0 =C2=A0 &gt;&gt; have been working on what to do when an IoT device v=
iolates it&#39;s MUD<br>
=C2=A0 =C2=A0 &gt;&gt; profile.=C2=A0 There are a bunch of issues around th=
is.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Yesterday, it occured to me that when such a device =
is quarantined (I<br>
=C2=A0 =C2=A0 &gt;&gt; really think it should be &quot;quaranteed&quot;, bu=
t that&#39;s not a word) that<br>
=C2=A0 =C2=A0 &gt;&gt; the capport controls and APIs should be available to=
 the device to<br>
=C2=A0 =C2=A0 &gt;&gt; learn what went on.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; This is not new, I think that this as been the appro=
ach of most<br>
=C2=A0 =C2=A0 &gt;&gt; enterprise NEA systems upon encountering &quot;infec=
tion&quot;.=C2=A0 This has, I<br>
=C2=A0 =C2=A0 &gt;&gt; assume, involved forced HTTP proxies to inform human=
.=C2=A0 But, if we have<br>
=C2=A0 =C2=A0 &gt;&gt; APIs, we can inform device as well.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Is this on anyone&#39;s radar?<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; --<br>
=C2=A0 =C2=A0 &gt;&gt; Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@=
sandelman.ca" target=3D"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman So=
ftware Works<br>
=C2=A0 =C2=A0 &gt;&gt; -=3D IPv6 IoT consulting =3D-<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
<br>
<br>
--<br>
Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@sandelman.ca" target=3D=
"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman Software Works<br>
=C2=A0-=3D IPv6 IoT consulting =3D-<br>
<br>
<br>
<br>
-- <br>
Mud mailing list<br>
<a href=3D"mailto:Mud@ietf.org" target=3D"_blank">Mud@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mud" rel=3D"noreferrer" ta=
rget=3D"_blank">https://www.ietf.org/mailman/listinfo/mud</a><br>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"m=
_1471223997451039206gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"=
><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div>M. =
Ranganathan <br><br></div></div></div></div></div></div></div></div></div><=
/div></div></div>

--0000000000007f53ed058d4532ca--


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From: "M. Ranganathan" <mranga@gmail.com>
Date: Tue, 9 Jul 2019 16:16:39 -0400
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To: Michael Richardson <mcr+ietf@sandelman.ca>
Cc: Eliot Lear <lear@cisco.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
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Subject: Re: [OPSAWG] [Mud] putting quarantined IoT devices behind a captive portal
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On Tue, Jul 9, 2019 at 4:13 PM M. Ranganathan <mranga@gmail.com> wrote:

> The current draft https://datatracker.ietf.org/doc/draft-ietf-capport-api=
/
>


Wrong reference, I meant


https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quarantined-acces=
s/

(sorry for extra email load).

Assumes that the "quarantined device" can access a subset of the ACE's
> allowed to the "unquarantined" device.
> However, I can think of a scenario where this does not have to be the
> case. I'd propose to generalize this.
>
> i.e. There are two sets of ACL's - one for normal operation and one for
> quarantined access. (i.e. quarantine access is not necessarily a subset o=
f
> regular access).
>
> Use case:
>
> Under normal circumstances, the device does not need SSH access (port 22
> is not open). However, if the device is misbehaving some external agent (=
or
> human maybe) logs in and investigates the issue.  The fix could involve
> copying new firmware.
>
> Does this make sense?
>
> Another thing that is missing currently is how to "clear" the quarantine
> state at the enforcement point. This would need an API defintion of we wa=
nt
> to make that portable.
>
> Regards,
>
> Ranga
>
>
> On Tue, Jul 9, 2019 at 2:39 PM Michael Richardson <mcr+ietf@sandelman.ca>
> wrote:
>
>>
>> Eliot Lear <lear@cisco.com> wrote:
>>     > I=E2=80=99m not quite certain how it would work.  Can you show a f=
low that
>> will
>>     > work for an IoT device (e.g., headless and no display)?
>>
>> Device gets quarantined, and the MUD-controller moves it into an isolate=
d
>> "VLAN".  I put air/scare quotes around VLAN, because it's a "MAC-address
>> VLAN", not an 802.1Q thing.  It's really just a layer-2 ACL.
>>
>> {We have no way to force the mishaving device into tagging it's packets,
>> nor
>> can we force it onto some other ESSID. We can't do a "port-based" VLAN,
>> because wifi has no ports, and we don't really know how many unmanaged
>> switches might be on the port anyway.
>> One might map this onto a IEEE 802.1Q VLAN across a backbone}
>>
>> Instead of just dropping all traffic for a device in this category,
>> all traffic (other than excepted traffic if you implement
>>
>> https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quarantined-ac=
cess/
>> )
>> would go into a captive portal system.
>>
>> Such a system would, according to
>> https://datatracker.ietf.org/doc/draft-ietf-capport-architecture/
>> receive a message when it initiates connections which are not allowed.
>> (While the capport WG contemplated an ICMP unreachable message with a
>> URI in it at one point, that is not the current design)
>>
>> Actually, I have no idea from reviewing the documentation what the
>> appropriate "you might be captive" ICMP is now.. THERE IS ONE RIGHT?
>>
>> Once the IoT device gets such a message, it can use the API
>> described at: https://datatracker.ietf.org/doc/draft-ietf-capport-api/
>> to retrieve a JSON object telling it that it is captive. At which point,
>> it
>> can flash a LED, or attempt a firmware upgrade, or maybe just reboot if =
a
>> timer goes off.  (%)
>>
>> This requires that the IoT device get the captive portal API end point,
>> which
>> https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/ can
>> deliver
>> via DHCPv4/v6 or RA.
>>
>>
>>     >> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.c=
a
>> >
>>     >> wrote:
>>     >>
>>     >> Signed PGP part
>>     >>
>>     >> Between editing drafts yesterday, I got to thinking about
>> CAPPORT.  I
>>     >> have been working on what to do when an IoT device violates it's
>> MUD
>>     >> profile.  There are a bunch of issues around this.
>>     >>
>>     >> Yesterday, it occured to me that when such a device is quarantine=
d
>> (I
>>     >> really think it should be "quaranteed", but that's not a word) th=
at
>>     >> the capport controls and APIs should be available to the device t=
o
>>     >> learn what went on.
>>     >>
>>     >> This is not new, I think that this as been the approach of most
>>     >> enterprise NEA systems upon encountering "infection".  This has, =
I
>>     >> assume, involved forced HTTP proxies to inform human.  But, if we
>> have
>>     >> APIs, we can inform device as well.
>>     >>
>>     >> Is this on anyone's radar?
>>     >>
>>     >> --
>>     >> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software
>> Works
>>     >> -=3D IPv6 IoT consulting =3D-
>>     >>
>>     >>
>>     >>
>>     >>
>>     >>
>>
>>
>> --
>> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>>  -=3D IPv6 IoT consulting =3D-
>>
>>
>>
>> --
>> Mud mailing list
>> Mud@ietf.org
>> https://www.ietf.org/mailman/listinfo/mud
>>
>
>
> --
> M. Ranganathan
>
>

--=20
M. Ranganathan

--00000000000026dcba058d453f0e
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><br><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Tue, Jul 9, 2019 at 4:13 PM M. Ranganathan &lt;<a href=
=3D"mailto:mranga@gmail.com" target=3D"_blank">mranga@gmail.com</a>&gt; wro=
te:<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>The current draft <a href=3D"https://datatracker.ietf.org/doc/dra=
ft-ietf-capport-api/" target=3D"_blank">https://datatracker.ietf.org/doc/dr=
aft-ietf-capport-api/</a></div></div></blockquote><div><br></div><div><br><=
/div><div>Wrong reference, I meant <br></div><div><br></div><div><br></div>=
<div><a href=3D"https://datatracker.ietf.org/doc/draft-richardson-shg-mud-q=
uarantined-access/">https://datatracker.ietf.org/doc/draft-richardson-shg-m=
ud-quarantined-access/</a></div><div><br></div><div>(sorry for extra email =
load).<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-lef=
t:1ex"><div dir=3D"ltr"><div>Assumes that the &quot;quarantined device&quot=
; can access a subset of the ACE&#39;s allowed to the &quot;unquarantined&q=
uot; device.</div><div>However, I can think of a scenario where this does n=
ot have to be the case. I&#39;d propose to generalize this.</div><div><br><=
/div><div>i.e. There are two sets of ACL&#39;s - one for normal operation a=
nd one for quarantined access. (i.e. quarantine access is not necessarily a=
 subset of regular access).<br></div><div><br></div><div>Use case:</div><di=
v><br></div><div>Under normal circumstances, the device does not need SSH a=
ccess (port 22 is not open). However, if the device is misbehaving some ext=
ernal agent (or human maybe) logs in and investigates the issue.=C2=A0 The =
fix could involve copying new firmware.</div><div><br></div><div>Does this=
=C2=A0make sense?</div><div><br></div><div>Another thing that is missing cu=
rrently is how to &quot;clear&quot; the quarantine state at the enforcement=
 point. This would need an API defintion of we want to make that portable.<=
br></div><div><br></div><div>Regards,</div><div><br></div><div>Ranga<br></d=
iv><div><br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"=
gmail_attr">On Tue, Jul 9, 2019 at 2:39 PM Michael Richardson &lt;<a href=
=3D"mailto:mcr%2Bietf@sandelman.ca" target=3D"_blank">mcr+ietf@sandelman.ca=
</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>
Eliot Lear &lt;<a href=3D"mailto:lear@cisco.com" target=3D"_blank">lear@cis=
co.com</a>&gt; wrote:<br>
=C2=A0 =C2=A0 &gt; I=E2=80=99m not quite certain how it would work.=C2=A0 C=
an you show a flow that will<br>
=C2=A0 =C2=A0 &gt; work for an IoT device (e.g., headless and no display)?<=
br>
<br>
Device gets quarantined, and the MUD-controller moves it into an isolated<b=
r>
&quot;VLAN&quot;.=C2=A0 I put air/scare quotes around VLAN, because it&#39;=
s a &quot;MAC-address<br>
VLAN&quot;, not an 802.1Q thing.=C2=A0 It&#39;s really just a layer-2 ACL.<=
br>
<br>
{We have no way to force the mishaving device into tagging it&#39;s packets=
, nor<br>
can we force it onto some other ESSID. We can&#39;t do a &quot;port-based&q=
uot; VLAN,<br>
because wifi has no ports, and we don&#39;t really know how many unmanaged<=
br>
switches might be on the port anyway.<br>
One might map this onto a IEEE 802.1Q VLAN across a backbone}<br>
<br>
Instead of just dropping all traffic for a device in this category,<br>
all traffic (other than excepted traffic if you implement<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quaran=
tined-access/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.iet=
f.org/doc/draft-richardson-shg-mud-quarantined-access/</a>)<br>
would go into a captive portal system.<br>
<br>
Such a system would, according to<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-capport-architecture=
/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/dr=
aft-ietf-capport-architecture/</a><br>
receive a message when it initiates connections which are not allowed.<br>
(While the capport WG contemplated an ICMP unreachable message with a<br>
URI in it at one point, that is not the current design)<br>
<br>
Actually, I have no idea from reviewing the documentation what the<br>
appropriate &quot;you might be captive&quot; ICMP is now.. THERE IS ONE RIG=
HT?<br>
<br>
Once the IoT device gets such a message, it can use the API<br>
described at: <a href=3D"https://datatracker.ietf.org/doc/draft-ietf-cappor=
t-api/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/d=
oc/draft-ietf-capport-api/</a><br>
to retrieve a JSON object telling it that it is captive. At which point, it=
<br>
can flash a LED, or attempt a firmware upgrade, or maybe just reboot if a<b=
r>
timer goes off.=C2=A0 (%)<br>
<br>
This requires that the IoT device get the captive portal API end point, whi=
ch<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/"=
 rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/draf=
t-ietf-capport-rfc7710bis/</a> can deliver<br>
via DHCPv4/v6 or RA.<br>
<br>
<br>
=C2=A0 =C2=A0 &gt;&gt; On 9 Jul 2019, at 16:41, Michael Richardson &lt;<a h=
ref=3D"mailto:mcr%2Bietf@sandelman.ca" target=3D"_blank">mcr+ietf@sandelman=
.ca</a>&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; wrote:<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Signed PGP part<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Between editing drafts yesterday, I got to thinking =
about CAPPORT.=C2=A0 I<br>
=C2=A0 =C2=A0 &gt;&gt; have been working on what to do when an IoT device v=
iolates it&#39;s MUD<br>
=C2=A0 =C2=A0 &gt;&gt; profile.=C2=A0 There are a bunch of issues around th=
is.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Yesterday, it occured to me that when such a device =
is quarantined (I<br>
=C2=A0 =C2=A0 &gt;&gt; really think it should be &quot;quaranteed&quot;, bu=
t that&#39;s not a word) that<br>
=C2=A0 =C2=A0 &gt;&gt; the capport controls and APIs should be available to=
 the device to<br>
=C2=A0 =C2=A0 &gt;&gt; learn what went on.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; This is not new, I think that this as been the appro=
ach of most<br>
=C2=A0 =C2=A0 &gt;&gt; enterprise NEA systems upon encountering &quot;infec=
tion&quot;.=C2=A0 This has, I<br>
=C2=A0 =C2=A0 &gt;&gt; assume, involved forced HTTP proxies to inform human=
.=C2=A0 But, if we have<br>
=C2=A0 =C2=A0 &gt;&gt; APIs, we can inform device as well.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Is this on anyone&#39;s radar?<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; --<br>
=C2=A0 =C2=A0 &gt;&gt; Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@=
sandelman.ca" target=3D"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman So=
ftware Works<br>
=C2=A0 =C2=A0 &gt;&gt; -=3D IPv6 IoT consulting =3D-<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
<br>
<br>
--<br>
Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@sandelman.ca" target=3D=
"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman Software Works<br>
=C2=A0-=3D IPv6 IoT consulting =3D-<br>
<br>
<br>
<br>
-- <br>
Mud mailing list<br>
<a href=3D"mailto:Mud@ietf.org" target=3D"_blank">Mud@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/mud" rel=3D"noreferrer" ta=
rget=3D"_blank">https://www.ietf.org/mailman/listinfo/mud</a><br>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"m=
_-7723599627848756393gmail-m_2018162547828010057m_1471223997451039206gmail_=
signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><di=
v><div dir=3D"ltr"><div><div dir=3D"ltr"><div>M. Ranganathan <br><br></div>=
</div></div></div></div></div></div></div></div></div></div></div>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"m=
_-7723599627848756393gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr=
"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div>M.=
 Ranganathan <br><br></div></div></div></div></div></div></div></div></div>=
</div></div></div>

--00000000000026dcba058d453f0e--


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From: "Montgomery, Douglas (Fed)" <dougm@nist.gov>
To: "M. Ranganathan" <mranga@gmail.com>, Michael Richardson <mcr+ietf@sandelman.ca>
CC: "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>, Eliot Lear <lear@cisco.com>, "capport@ietf.org" <capport@ietf.org>
Thread-Topic: [Mud] [OPSAWG] putting quarantined IoT devices behind a captive portal
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Subject: Re: [OPSAWG] [Mud] putting quarantined IoT devices behind a captive portal
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From nobody Tue Jul  9 17:49:31 2019
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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Eliot Lear <lear@cisco.com>
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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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Eliot Lear <lear@cisco.com> wrote:
    > It=E2=80=99s the following part that I=E2=80=99m thinking about:


...

    >> to retrieve a JSON object telling it that it is captive. At which po=
int, it
    >> can flash a LED, or attempt a firmware upgrade, or maybe just reboot=
 if a
    >> timer goes off.  (%)

    > You are suggesting that a device self-remediate.  Some devices may be
    > able to eventually do that, but I have my doubts.  Were I a hacker, I
    > would have the device pretend to do just that.  And so this ties
    > somewhat to RATS.  I think a MUD extension might be able to help in as
    > much as one could imagine a =E2=80=9Cremediation=E2=80=9D recommendat=
ion.

Yes, so a full attack on the IoT device would do what you describe.
A partial attack might miss messing this.  A reboot might clear out the
malware, or might mitigate it enough (such as going to boot firmware) that
would permit new firmware to be loaded.

Yes, getting completely out of the quarantine would require either
attestation or human intervention.  But, if the device now has good firmwar=
e,
it would be able to send the "please unquarantine me" signal.

=2D-
]               Never tell me the odds!                 | ipv6 mesh network=
s [
]   Michael Richardson, Sandelman Software Works        |    IoT architect =
  [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails  =
  [


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




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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> wrote:
    > would an ICMP "administratively prohibited" not be a sufficient
    > signal? Sure, things can be made much more complex, but I doubt that
    > devices will try to actively investigate why they can't communicate

Probably good enough.  Some wanted a more specific signal.

It's intended to just be a signal to go ask the captive portal API
if the device is captive.

    > (and implement additional protocols for this) if all they can do at
    > the end is to change the color of an led or simply shut-off (i.e.,
    > stop assuming its a temporary network issue and reduce/stop probing
    > effort).

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




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From: John Romkey <romkey@romkey.com>
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Cc: Eliot Lear <lear@cisco.com>, captive-portal@ietf.org, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
To: Michael Richardson <mcr+ietf@sandelman.ca>
References: <B8F9A780D330094D99AF023C5877DABAA49CD8C1@nkgeml513-mbx.china.huawei.com> <CAFpG3gc4ijy+xH7O_9EzpzwcROu3XcTA4xpSAH9P+oyhWQzMyg@mail.gmail.com> <4486.1562683318@localhost> <7534958E-E1A6-470D-B4BB-6B88CD27B54C@cisco.com> <27334.1562697538@localhost> <EE6AC0E8-0596-4B58-AA38-003078BF4B23@cisco.com> <18178.1562719763@localhost>
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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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> On Jul 9, 2019, at 5:49 PM, Michael Richardson <mcr+ietf@sandelman.ca> =
wrote:
>=20
>=20
> Eliot Lear <lear@cisco.com> wrote:
>=20
>>> to retrieve a JSON object telling it that it is captive. At which =
point, it
>>> can flash a LED, or attempt a firmware upgrade, or maybe just reboot =
if a
>>> timer goes off.  (%)
>=20
>> You are suggesting that a device self-remediate.  Some devices may be
>> able to eventually do that, but I have my doubts.  Were I a hacker, I
>> would have the device pretend to do just that.  And so this ties
>> somewhat to RATS.  I think a MUD extension might be able to help in =
as
>> much as one could imagine a =E2=80=9Cremediation=E2=80=9D =
recommendation.
>=20
> Yes, so a full attack on the IoT device would do what you describe.
> A partial attack might miss messing this.  A reboot might clear out =
the
> malware, or might mitigate it enough (such as going to boot firmware) =
that
> would permit new firmware to be loaded.
>=20
> Yes, getting completely out of the quarantine would require either
> attestation or human intervention.  But, if the device now has good =
firmware,
> it would be able to send the "please unquarantine me" signal.

I believe strongly that the only safe thing you can do with a device =
that=E2=80=99s been in any way compromised is completely isolate it.It =
shouldn=E2=80=99t be able to send an =E2=80=9Cunquarantine=E2=80=9D =
signal. You shouldn=E2=80=99t even try to talk to it.

Let the firewall which is implementing MUD notify the user about the =
problem. Let the device=E2=80=99s app or cloud services notify the user =
that the device is offline. Possibly in a later evolution of MUD the =
firewall might have a way to notify the device=E2=80=99s cloud service, =
but I wouldn=E2=80=99t hamstring the initial version of MUD with an =
attempt to do that.
	- john romkey
	https;//romkey.com <http://romkey.com/>


--Apple-Mail=_EABAD983-EB6E-4F93-A1D3-3C6FB9586844
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><br =
class=3D""><div><blockquote type=3D"cite" class=3D""><div class=3D"">On =
Jul 9, 2019, at 5:49 PM, Michael Richardson &lt;<a =
href=3D"mailto:mcr+ietf@sandelman.ca" =
class=3D"">mcr+ietf@sandelman.ca</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div class=3D""><br =
class=3D"">Eliot Lear &lt;<a href=3D"mailto:lear@cisco.com" =
class=3D"">lear@cisco.com</a>&gt; wrote:<br class=3D""><br =
class=3D""><blockquote type=3D"cite" class=3D""><blockquote type=3D"cite" =
class=3D"">to retrieve a JSON object telling it that it is captive. At =
which point, it<br class=3D"">can flash a LED, or attempt a firmware =
upgrade, or maybe just reboot if a<br class=3D"">timer goes off. =
&nbsp;(%)<br class=3D""></blockquote></blockquote><br =
class=3D""><blockquote type=3D"cite" class=3D"">You are suggesting that =
a device self-remediate. &nbsp;Some devices may be<br class=3D"">able to =
eventually do that, but I have my doubts. &nbsp;Were I a hacker, I<br =
class=3D"">would have the device pretend to do just that. &nbsp;And so =
this ties<br class=3D"">somewhat to RATS. &nbsp;I think a MUD extension =
might be able to help in as<br class=3D"">much as one could imagine a =
=E2=80=9Cremediation=E2=80=9D recommendation.<br =
class=3D""></blockquote><br class=3D"">Yes, so a full attack on the IoT =
device would do what you describe.<br class=3D"">A partial attack might =
miss messing this. &nbsp;A reboot might clear out the<br =
class=3D"">malware, or might mitigate it enough (such as going to boot =
firmware) that<br class=3D"">would permit new firmware to be loaded.<br =
class=3D""><br class=3D"">Yes, getting completely out of the quarantine =
would require either<br class=3D"">attestation or human intervention. =
&nbsp;But, if the device now has good firmware,<br class=3D"">it would =
be able to send the "please unquarantine me" signal.<br =
class=3D""></div></div></blockquote></div><br class=3D""><div class=3D"">I=
 believe strongly that the only safe thing you can do with a device =
that=E2=80=99s been in any way compromised is completely isolate it.It =
shouldn=E2=80=99t be able to send an =E2=80=9Cunquarantine=E2=80=9D =
signal. You shouldn=E2=80=99t even try to talk to it.</div><div =
class=3D""><br class=3D""></div><div class=3D"">Let the firewall which =
is implementing MUD notify the user about the problem. Let the =
device=E2=80=99s app or cloud services notify the user that the device =
is offline. Possibly in a later evolution of MUD the firewall might have =
a way to notify the device=E2=80=99s cloud service, but I wouldn=E2=80=99t=
 hamstring the initial version of MUD with an attempt to do =
that.</div><div class=3D""><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span>- john romkey</div><div =
class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>https;//<a href=3D"http://romkey.com" =
class=3D"">romkey.com</a></div><div class=3D""><br =
class=3D""></div></body></html>=

--Apple-Mail=_EABAD983-EB6E-4F93-A1D3-3C6FB9586844--


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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: "Montgomery\, Douglas \(Fed\)" <dougm@nist.gov>
cc: "M. Ranganathan" <mranga@gmail.com>, "opsawg\@ietf.org" <opsawg@ietf.org>, "mud\@ietf.org" <mud@ietf.org>, Eliot Lear <lear@cisco.com>, captive-portals@ietf.org
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Subject: Re: [OPSAWG] [Mud] putting quarantined IoT devices behind a captive portal
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Montgomery, Douglas (Fed) <dougm@nist.gov> wrote:
    > Most of the devices I think of as actual IoT devices have no direct
    > UI/shell.  Your only interaction with them after initial
    > =E2=80=9Cinstall/configure=E2=80=9D is through their cloud web servic=
e interface.

That's true for many devices, but not all.
Even light bulbs have output interfaces :-)

    > Having said that I think your model is fine.

Good.

    > I would suggest detecting device reboot would be one signal to clear
    > quarantine state.  Since MUD =E2=80=9Cmisbehavior=E2=80=9D is mostly =
instantaneously
    > detectable (1 packet), I am not that concerned that the device might
    > reboot for others reasons and still be infected.

Device reboot probably needs an attestation to be believed.

    > One might keep a counter and a time stamp of quarantine clears and if
    > you a device had N MUD violations after quarantine clears in X time,
    > lock it down in quarantine or completely take it off line.

Reasonable, but in the space of quality of implementation, I think.

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




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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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{my appologies for still getting captive-portal vs captive-portals@ wrong}

John Romkey <romkey@romkey.com> wrote:
    >> Eliot Lear <lear@cisco.com> wrote:
    >>
    >>>> to retrieve a JSON object telling it that it is captive. At which =
point, it
    >>>> can flash a LED, or attempt a firmware upgrade, or maybe just rebo=
ot if a
    >>>> timer goes off.  (%)
    >>
    >>> You are suggesting that a device self-remediate.  Some devices may =
be
    >>> able to eventually do that, but I have my doubts.  Were I a hacker,=
 I
    >>> would have the device pretend to do just that.  And so this ties
    >>> somewhat to RATS.  I think a MUD extension might be able to help in=
 as
    >>> much as one could imagine a =E2=80=9Cremediation=E2=80=9D recommend=
ation.
    >>
    >> Yes, so a full attack on the IoT device would do what you describe.
    >> A partial attack might miss messing this.  A reboot might clear out =
the
    >> malware, or might mitigate it enough (such as going to boot firmware=
) that
    >> would permit new firmware to be loaded.
    >>
    >> Yes, getting completely out of the quarantine would require either
    >> attestation or human intervention.  But, if the device now has good =
firmware,
    >> it would be able to send the "please unquarantine me" signal.

    > I believe strongly that the only safe thing you can do with a device
    > that=E2=80=99s been in any way compromised is completely isolate it.It
    > shouldn=E2=80=99t be able to send an =E2=80=9Cunquarantine=E2=80=9D s=
ignal. You shouldn=E2=80=99t even
    > try to talk to it.

That's a reasonable view.
The question is: what next?
                   draft-richardson-shg-un-quarantine-00
tries to discuss this.

    > Let the firewall which is implementing MUD notify the user about the
    > problem. Let the device=E2=80=99s app or cloud services notify the us=
er that
    > the device is offline. Possibly in a later evolution of MUD the
    > firewall might have a way to notify the device=E2=80=99s cloud servic=
e, but I
    > wouldn=E2=80=99t hamstring the initial version of MUD with an attempt=
 to do
    > that.

I fully expect any notifications out should be done by the firewall.
There are two issues I'm trying to address:
  1) there will be false positives from use of MUD.  Manufacturers will
     screw up, DNS mappings will be updated out of sync with firmware, etc.
     If it is too painful to diagnose and fix, then MUD will get disabled by
     operators (ISPs, who will get the call), or by end users.

  2) not every user of a device will get the notifications.
     So devices with displays (think: thermostats, refridgerators, SIP phon=
es,
     TV sets, etc.) whether they have real malware on them, or false
     positives should be able to indicate that they are offline.
     This matters a lot if you are trying to dial 911 on a broken phone,
     and you aren't the person with the app that gets the notifications
     from the firewall.

Putting them behind the captive-portal API when quarantined lets them get
exactly the kind of information they want.  It also helps them when they
turned on where there really is a captive-portal.

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

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From: "Wubo (lana)" <lana.wubo@huawei.com>
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Date: Wed, 10 Jul 2019 10:14:37 +0200
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Cc: Michael Richardson <mcr+ietf@sandelman.ca>, captive-portal@ietf.org, "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>
To: John Romkey <romkey@romkey.com>
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Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive portal
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Hi John,

>=20
> I believe strongly that the only safe thing you can do with a device =
that=E2=80=99s been in any way compromised is completely isolate it.It =
shouldn=E2=80=99t be able to send an =E2=80=9Cunquarantine=E2=80=9D =
signal. You shouldn=E2=80=99t even try to talk to it.
>=20

It=E2=80=99s important to tease out the device model here a bit.  If the =
device is a single processor unit, I can only but agree with you.  =
However, if there is a TPM/TEE present, things get a bit grayer.  It is =
possible that even a device with a TEE could have been compromised.  =
This could have happened through a classic bug in some unprotected code, =
like a web server.  If code within the TEE is able to detect that it has =
been messed with, then it is possible it might want to remediate.  It is =
then up to the process in the TEE to communicate to some sort of remote =
attestation service to demonstrate that the system is in a nominal =
state, and up to the RATS server to believe that system or not.

But I must say that this would not my first use of MUD ;-)

Eliot


> Let the firewall which is implementing MUD notify the user about the =
problem. Let the device=E2=80=99s app or cloud services notify the user =
that the device is offline. Possibly in a later evolution of MUD the =
firewall might have a way to notify the device=E2=80=99s cloud service, =
but I wouldn=E2=80=99t hamstring the initial version of MUD with an =
attempt to do that.
> 	- john romkey
> 	https;//romkey.com <http://romkey.com/>
>=20


--Apple-Mail=_B69F180E-96CB-48D1-85C9-5922A856905C
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Hi =
John,<br class=3D""><div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D""><br class=3D""></div><div class=3D""><div =
style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; line-break: =
after-white-space;" class=3D""><div class=3D"">I believe strongly that =
the only safe thing you can do with a device that=E2=80=99s been in any =
way compromised is completely isolate it.It shouldn=E2=80=99t be able to =
send an =E2=80=9Cunquarantine=E2=80=9D signal. You shouldn=E2=80=99t =
even try to talk to it.</div><div class=3D""><br =
class=3D""></div></div></div></blockquote><div><br class=3D""></div>It=E2=80=
=99s important to tease out the device model here a bit. &nbsp;If the =
device is a single processor unit, I can only but agree with you. =
&nbsp;However, if there is a TPM/TEE present, things get a bit grayer. =
&nbsp;It is possible that even a device with a TEE could have been =
compromised. &nbsp;This could have happened through a classic bug in =
some unprotected code, like a web server. &nbsp;If code within the TEE =
is able to detect that it has been messed with, then it is possible it =
might want to remediate. &nbsp;It is then up to the process in the TEE =
to communicate to some sort of remote attestation service to demonstrate =
that the system is in a nominal state, and up to the RATS server to =
believe that system or not.</div><div><br class=3D""></div><div>But I =
must say that this would not my first use of MUD ;-)</div><div><br =
class=3D""></div><div>Eliot</div><div><br class=3D""></div><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div =
style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; line-break: =
after-white-space;" class=3D""><div class=3D"">Let the firewall which is =
implementing MUD notify the user about the problem. Let the device=E2=80=99=
s app or cloud services notify the user that the device is offline. =
Possibly in a later evolution of MUD the firewall might have a way to =
notify the device=E2=80=99s cloud service, but I wouldn=E2=80=99t =
hamstring the initial version of MUD with an attempt to do =
that.</div><div class=3D""><span class=3D"Apple-tab-span" =
style=3D"white-space:pre">	</span>- john romkey</div><div =
class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre">	=
</span>https;//<a href=3D"http://romkey.com/" =
class=3D"">romkey.com</a></div><div class=3D""><br =
class=3D""></div></div></div></blockquote></div><br =
class=3D""></body></html>=

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Subject: Re: [OPSAWG] New Version Notification for draft-zheng-opsawg-tacacs-yang-02.txt
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To: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>, Takuya Miyasaka <ta-miyasaka@kddi-research.jp>, "netslices@ietf.org" <netslices@ietf.org>,  "rtgwg@ietf.org" <rtgwg@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>
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Thread-Topic: [Netslices] [DMM] New Version Notification for draft-rokui-5g-transport-slice-00.txt
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Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/pF25pVF16EzOKoUTWxJ9aM6gFqY>
Subject: Re: [OPSAWG] [Netslices] [DMM] New Version Notification for draft-rokui-5g-transport-slice-00.txt
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From: Kaippallimalil John <john.kaippallimalil@futurewei.com>
To: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>, Takuya Miyasaka <ta-miyasaka@kddi-research.jp>, "netslices@ietf.org" <netslices@ietf.org>,  "rtgwg@ietf.org" <rtgwg@ietf.org>, "opsawg@ietf.org" <opsawg@ietf.org>, "teas@ietf.org" <teas@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>
Thread-Topic: [DMM] New Version Notification for draft-rokui-5g-transport-slice-00.txt
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From: "Wubo (lana)" <lana.wubo@huawei.com>
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CC: wangzitao <wangzitao@huawei.com>, "Zhengguangying (Walker)" <zhengguangying@huawei.com>, "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: [OPSAWG] New Version Notification for draft-zheng-opsawg-tacacs-yang-02.txt
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	charset="utf-8"
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charse=
t=3Dutf-8"><style>body { line-height: 1.5; }blockquote { margin-top: 0px; =
margin-bottom: 0px; margin-left: 0.5em; }p { margin-top: 0px; margin-botto=
m: 0px; }div.foxdiv20190713082043927147 { }body { font-size: 10.5pt; font-=
family: 'Microsoft YaHei UI'; color: rgb(0, 0, 0); line-height: 1.5; }</st=
yle></head><body>=0A<!--[if gte mso 9]><xml>=0A<o:shapedefaults v:ext=3D"e=
dit" spidmax=3D"1026" ></o:shapedefaults>=0A</xml><![endif]--><!--[if gte =
mso 9]><xml>=0A<o:shapelayout v:ext=3D"edit">=0A<o:idmap v:ext=3D"edit" da=
ta=3D"1" ></o:idmap>=0A</o:shapelayout></xml><![endif]-->=0A<div><span></s=
pan><br></div><div><span style=3D"font-family: ''; font-size: 10.5pt; line=
-height: 1.5; background-color: window;">I&nbsp;have&nbsp;read&nbsp;draft-=
aguado-opsawg-l3sm-l3nm-00&nbsp;and&nbsp;it&nbsp;is&nbsp;well&nbsp;written=
&nbsp;and&nbsp;I&nbsp;like&nbsp;it&nbsp;and&nbsp;fully&nbsp;support&nbsp;i=
t&nbsp;if&nbsp;IETF&nbsp;wants&nbsp;to&nbsp;adopt&nbsp;this&nbsp;work.</sp=
an></div><div><span style=3D"font-family: &quot;" microsoft=3D"" yahei=3D"=
" ui'";=3D"" font-size:=3D"" 14px;=3D"" color:=3D"" rgb(0,=3D"" 0,=3D"" 0)=
;=3D"" background-color:=3D"" rgba(0,=3D"" font-weight:=3D"" normal;=3D"" =
font-style:=3D"" normal;text-decoration:=3D"" none;'=3D"">Since&nbsp;opera=
tor&nbsp;not&nbsp;only&nbsp;cares&nbsp;about&nbsp;how&nbsp;to&nbsp;define&=
nbsp;a&nbsp;service&nbsp;using&nbsp;the&nbsp;service&nbsp;model,&nbsp;but&=
nbsp;also&nbsp;how&nbsp;to&nbsp;realize&nbsp;the&nbsp;service&nbsp;using&n=
bsp;e.g.,the&nbsp;model<br>Proposed&nbsp;in&nbsp;this&nbsp;draft.&nbsp;Her=
e&nbsp;are&nbsp;a&nbsp;few&nbsp;quick&nbsp;comments:<br>1.&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;The&nbsp;abstract&nbsp;said<br>=E2=80=9CIn&nbsp;=
some&nbsp;cases,&nbsp;the&nbsp;control&nbsp;of&nbsp;the&nbsp;network&nbsp;=
is&nbsp;further&nbsp;expanded&nbsp;into&nbsp;per-domain&nbsp;control.&nbsp=
;=E2=80=9D<br>What&nbsp;does&nbsp;expanded&nbsp;means?&nbsp;Expanded&nbsp;=
or&nbsp;broken&nbsp;down&nbsp;into?<br>s/Control&nbsp;of&nbsp;the&nbsp;net=
work/control&nbsp;of&nbsp;the&nbsp;network&nbsp;spanning&nbsp;across&nbsp;=
multiple&nbsp;domains<br><br>2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T=
he&nbsp;abstract&nbsp;also&nbsp;said:<br>=E2=80=9DThis&nbsp;document&nbsp;=
uses&nbsp;the&nbsp;L3SM&nbsp;model&nbsp;defined&nbsp;in&nbsp;RFC&nbsp;8299=
&nbsp;[RFC8299],&nbsp;and&nbsp;extends&nbsp;it&nbsp;to&nbsp;facilitate&nbs=
p;communication&nbsp;between&nbsp;the&nbsp;service&nbsp;orchestrator&nbsp;=
and&nbsp;transport&nbsp;orchestrator&nbsp;(MSDC),&nbsp;and&nbsp;an&nbsp;MD=
SC&nbsp;and<br>domain&nbsp;controllers.&nbsp;&nbsp;The&nbsp;resulting&nbsp=
;model&nbsp;is&nbsp;called&nbsp;the&nbsp;L3VPN&nbsp;Network&nbsp;Model&nbs=
p;(L3NM).=E2=80=9D<br>I&nbsp;think&nbsp;the&nbsp;terminology&nbsp;in&nbsp;=
this&nbsp;document&nbsp;should&nbsp;be&nbsp;consistent.<br>s/transport&nbs=
p;orchestrator/network&nbsp;orchestrator<br><br>3.&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;Section&nbsp;1,&nbsp;paragraph&nbsp;2<br>=E2=80=9DThe&nb=
sp;augmentations&nbsp;facilitate&nbsp;the&nbsp;use&nbsp;the&nbsp;resulting=
&nbsp;model&nbsp;in&nbsp;communications&nbsp;with&nbsp;the&nbsp;transport&=
nbsp;orchestrator,&nbsp;also&nbsp;known&nbsp;as&nbsp;the&nbsp;MDSC&nbsp;(M=
ulti-Domain&nbsp;Service<br>Coordinator)&nbsp;in&nbsp;the&nbsp;terminology=
&nbsp;of&nbsp;the&nbsp;framework&nbsp;for&nbsp;Abstraction&nbsp;and&nbsp;C=
ontrol&nbsp;of&nbsp;TE&nbsp;Networks&nbsp;(ACTN)&nbsp;defined&nbsp;in&nbsp=
;RFC&nbsp;8453&nbsp;[RFC8453].<br>=E2=80=9D<br>I&nbsp;feel&nbsp;disconnect=
ed&nbsp;about&nbsp;this&nbsp;sentence&nbsp;when&nbsp;it&nbsp;says&nbsp;the=
&nbsp;use&nbsp;the&nbsp;resulting&nbsp;model,&nbsp;how&nbsp;about<br>s/the=
&nbsp;use&nbsp;the&nbsp;resulting&nbsp;model/the&nbsp;use&nbsp;of&nbsp;the=
&nbsp;resulting&nbsp;model<br><br>4.Section&nbsp;2<br>=E2=80=9DIn&nbsp;tha=
t&nbsp;context,&nbsp;the&nbsp;"Domain&nbsp;Orchestration"&nbsp;and&nbsp;"C=
onfig&nbsp;Manager"&nbsp;roles&nbsp;may&nbsp;be&nbsp;performed&nbsp;by&nbs=
p;"Controllers".=E2=80=9D<br>Controller&nbsp;or&nbsp;domain&nbsp;controlle=
r?&nbsp;Are&nbsp;you&nbsp;assuming&nbsp;config&nbsp;manager&nbsp;is&nbsp;p=
art&nbsp;of&nbsp;the&nbsp;same&nbsp;controller?<br>&nbsp;<br>5.&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;3&nbsp;title<br>s/Yang&nbsp;mo=
del&nbsp;extensions/YANG&nbsp;model&nbsp;extensions</span></div><div><span=
 style=3D"font-family: &quot;" microsoft=3D"" yahei=3D"" ui'";=3D"" font-s=
ize:=3D"" 14px;=3D"" color:=3D"" rgb(0,=3D"" 0,=3D"" 0);=3D"" background-c=
olor:=3D"" rgba(0,=3D"" font-weight:=3D"" normal;=3D"" font-style:=3D"" no=
rmal;text-decoration:=3D"" none;'=3D""><br></span></div><div>Chongfeng</di=
v>=0A<div><br></div><hr style=3D"width: 210px; height: 1px; display: none;=
" color=3D"#b5c4df" size=3D"1" align=3D"left">=0A<div><span></span></div>=
=0A<blockquote style=3D"margin-top: 0px; margin-bottom: 0px; margin-left: =
0.5em;"><div>&nbsp;</div><div style=3D"border:none;border-top:solid #B5C4D=
F 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style=3D"PADDING-RIGHT: 8px; PADDI=
NG-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND=
: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b>&nbsp;<=
a href=3D"mailto:bill.wu@huawei.com" style=3D"color: rgb(5, 99, 193); text=
-decoration: underline;">Qin Wu</a></div><div><b>Date:</b>&nbsp;2019-07-01=
&nbsp;10:22</div><div><b>To:</b>&nbsp;<a href=3D"mailto:OPSAWG@ietf.org" s=
tyle=3D"color: rgb(5, 99, 193); text-decoration: underline;">OPSAWG@ietf.o=
rg</a></div><div><b>Subject:</b>&nbsp;[OPSAWG] Review of  L3NM draft-aguad=
o-opsawg-l3sm-l3nm-0</div></div></div><div><div class=3D"FoxDiv20190713082=
043927147">=0A<!--[if gte mso 9]><xml>=0A<o:shapedefaults v:ext=3D"edit" s=
pidmax=3D"1026" ></o:shapedefaults>=0A</xml><![endif]--><!--[if gte mso 9]=
><xml>=0A<o:shapelayout v:ext=3D"edit">=0A<o:idmap v:ext=3D"edit" data=3D"=
1" ></o:idmap>=0A</o:shapelayout></xml><![endif]-->=0A<div class=3D"WordSe=
ction1" style=3D"page: WordSection1;">=0A<p class=3D"MsoNormal" style=3D"m=
argin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-fami=
ly: Calibri, sans-serif;"><span lang=3D"EN-US">Hi, Oscar:<o:p></o:p></span=
></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-ali=
gn: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><span l=
ang=3D"EN-US">I have reviewed </span><span lang=3D"EN-US">draft proposal y=
ou posted on=0A<a href=3D"https://github.com/oscargdd/l3nm/tree/master/yan=
g/01" style=3D"color: rgb(5, 99, 193); text-decoration: underline;">https:=
//github.com/oscargdd/l3nm/tree/master/yang/01</a> which is subject to cha=
nges and have a few comments and suggestions as follows:<o:p></o:p></span>=
</p>=0A<p class=3D"MsoListParagraph" style=3D"margin: 0cm 0cm 0.0001pt; te=
xt-indent: 21pt; font-size: 12pt; font-family: SimSun;">=0A<!--[if !suppor=
tLists]--><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot=
;Calibri&quot;,sans-serif"><span style=3D"mso-list:Ignore">1.<span style=
=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;=0A</span></span></span><!--[endif]--><span lang=3D"EN-US" style=3D"=
font-size:10.5pt;font-family:&quot;Calibri&quot;,sans-serif">ie-profiles i=
s defined under vpn-service in parallel with vpn-node=0A<o:p></o:p></span>=
</p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-alig=
n: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><span la=
ng=3D"EN-US">I am not sure it is necessary to define profile or template f=
or RD and RT in a group,<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" st=
yle=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; f=
ont-family: Calibri, sans-serif;"><span lang=3D"EN-US">suppose we only hav=
e 3 or 5 RDs, it make sense to define them as profile or template, and reu=
se these profile or template. However suppose we have tens or hundreds of =
RDs, we have to define hundreds of ie-profile, which=0A is not desirable, =
<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0=
.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, san=
s-serif;"><span lang=3D"EN-US">Suggested change is to consolidate paramete=
rs within ie-profiles into parameters within vpn-node.<o:p></o:p></span></=
p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align:=
 justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=
=3D"EN-US"><o:p>&nbsp;</o:p></span></p>=0A<p class=3D"MsoListParagraph" st=
yle=3D"margin: 0cm 0cm 0.0001pt; text-indent: 21pt; font-size: 12pt; font-=
family: SimSun;">=0A<!--[if !supportLists]--><span lang=3D"EN-US" style=3D=
"font-size:10.5pt;font-family:&quot;Calibri&quot;,sans-serif"><span style=
=3D"mso-list:Ignore">2.<span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=0A</span></span></span><!--[endif=
]--><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Calib=
ri&quot;,sans-serif">Since we have already allocated RT, RD associated wit=
h the sevice, VPN-policy became useless, suggest to remove it.<o:p></o:p><=
/span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; tex=
t-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><s=
pan lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>=0A<p class=3D"MsoListParag=
raph" style=3D"margin: 0cm 0cm 0.0001pt; text-indent: 21pt; font-size: 12p=
t; font-family: SimSun;">=0A<!--[if !supportLists]--><span lang=3D"EN-US" =
style=3D"font-size:10.5pt;font-family:&quot;Calibri&quot;,sans-serif"><spa=
n style=3D"mso-list:Ignore">3.<span style=3D"font:7.0pt &quot;Times New Ro=
man&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=0A</span></span></span><!-=
-[endif]--><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quo=
t;Calibri&quot;,sans-serif">Group-id defined in site level and site-networ=
k-access level become useless, since it is used in L3SM model as access co=
nstraints parameters to select=0A PE, in L3NM model, PE has already been s=
elected. <o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: =
0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Cal=
ibri, sans-serif;"><span lang=3D"EN-US">However in L3NM model, we still wa=
nt to classify the network access associated with the VPN service into sev=
eral groups and want to know which network accesses associated with the sa=
me VPN belong to which group, e.g.,=0A when one site connect to two VPN, t=
his site has three network accesses, let=E2=80=99s say access A, Access B,=
 Access C<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: =
0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Cal=
ibri, sans-serif;"><span lang=3D"EN-US">Access A, Access B connect to VPN =
A, Access C connect to VPN B, we can classify them into two group, Access =
A and Access B belong to dual home group, Access C belong to single home g=
roup.<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm =
0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri=
, sans-serif;"><span lang=3D"EN-US">Suggest change is to introduce access =
group level between site level and network access level, looks like this:<=
o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.=
0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans=
-serif;"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp; +--rw sites<o:p></o=
:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt;=
 text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;=
"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; +--rw si=
te* [site-id]<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"marg=
in: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family:=
 Calibri, sans-serif;"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; +--rw site-id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; s=
vc-id<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm =
0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri=
, sans-serif;"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp; +--rw access-groups<o:p></o:p></span></p>=0A<p clas=
s=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; fo=
nt-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; +--rw access-group* [group-id]<o:p></o:p></span></p>=0A<p class=3D"Mso=
Normal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size:=
 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; +--rw group-id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; svc-id<o:p></o:=
p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"=
><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; +--rw site-network-accesses<o=
:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0=
001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-=
serif;"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; +--=
rw site-network-access* [site-network-access-id]<o:p></o:p></span></p>=0A<=
p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justi=
fy; font-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN=
-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; +--=
rw site-network-access-id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; svc-id<o:p></o:p><=
/span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; tex=
t-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><s=
pan lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; +&nbsp; vpn-node<o:p></o:p></span></p>=0A<p class=3D"MsoNo=
rmal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 1=
0.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; +--rw bearer<o:p></=
o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt=
; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif=
;"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nb=
sp;&nbsp;&nbsp; |&nbsp; +--=E2=80=A6<o:p></o:p></span></p>=0A<p class=3D"M=
soNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-siz=
e: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; +--rw availabil=
ity<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0c=
m 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, =
sans-serif;"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>=0A<p class=
=3D"MsoListParagraph" style=3D"margin: 0cm 0cm 0.0001pt; text-indent: 21pt=
; font-size: 12pt; font-family: SimSun;">=0A<!--[if !supportLists]--><span=
 lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&quot;Calibri&quot;,=
sans-serif"><span style=3D"mso-list:Ignore">4.<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=0A</span><=
/span></span><!--[endif]--><span lang=3D"EN-US" style=3D"font-size:10.5pt;=
font-family:&quot;Calibri&quot;,sans-serif">Go back to the vpn-attachments=
 proposal in the previous email to address the relationship between site-n=
etwork-access and vpn-node, we can optimize that=0A proposal a little bit =
further,i.e., remove vpn-attachment container, directly introduce vpn-node=
-id under each site-network-access. What do you think of it?<o:p></o:p></s=
pan></p>=0A<p class=3D"MsoListParagraph" style=3D"margin: 0cm 0cm 0.0001pt=
; text-indent: 21pt; font-size: 12pt; font-family: SimSun;">=0A<!--[if !su=
pportLists]--><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-family:&=
quot;Calibri&quot;,sans-serif"><span style=3D"mso-list:Ignore">5.<span sty=
le=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;=0A</span></span></span><!--[endif]--><span lang=3D"EN-US" style=
=3D"font-size:10.5pt;font-family:&quot;Calibri&quot;,sans-serif">Regarding=
 &nbsp;tg-type and &nbsp;cvlan-id under dot1q-vlan-tagged, it is not clear=
 we should define multiple tag types, what is the real use case ? Also usu=
ally=0A one interface will be configured with multiple cvlan-ids, how to d=
eal with it?<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margi=
n: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: =
Calibri, sans-serif;"><span lang=3D"EN-US">Hope these comments help. Thank=
s!<o:p></o:p></span></p>=0A<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm=
 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, s=
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t-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">-Q=
in Wu<o:p></o:p></span></p>=0A</div>=0A</div></div></blockquote>=0A</body>=
</html>
------=_001_NextPart884888131842_=------


From nobody Mon Jul 15 18:27:17 2019
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From: Tianran Zhou <zhoutianran@huawei.com>
To: "opsawg@ietf.org" <opsawg@ietf.org>
CC: OpsAWG Chairs <opsawg-chairs@ietf.org>, "ops-ads@ietf.org" <ops-ads@ietf.org>
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Hi WG,

The OPSAWG and OPS area meeting agenda is posted.
https://datatracker.ietf.org/doc/agenda-105-opsawg/

Please feel free to email us if you have any question.

If you have a slot, please send your slides to the chairs by July 22.

Cheers,
Tianran & Joe


From nobody Wed Jul 17 11:05:48 2019
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From: Haoyu Song <haoyu.song@futurewei.com>
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Subject: [OPSAWG] iFIT framework draft
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Hi all,

We recently uploaded a newer version of the iFIT framework draft.
https://datatracker.ietf.org/doc/draft-song-opsawg-ifit-framework/

The purposes of the drafts are:


  1.  Clarify the terms and underlying techniques for data plane on-path te=
lemetry
  2.  Present a framework that addresses the practical implementation and d=
eployment issues
  3.  Identify the open issues and directions for related standard developm=
ent

Given the wide industry interests on adopting such techniques, we believe t=
his informational draft is useful and
In the scope of OPSAWG.  Please review the draft and provide your opinions,=
 suggestions, and comments.

Thank you very much!

Haoyu

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<p class=3D"MsoNormal">Hi all,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">We recently uploaded a newer version of the iFIT fra=
mework draft.
<o:p></o:p></p>
<p class=3D"MsoNormal"><a href=3D"https://datatracker.ietf.org/doc/draft-so=
ng-opsawg-ifit-framework/">https://datatracker.ietf.org/doc/draft-song-opsa=
wg-ifit-framework/</a><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The purposes of the drafts are:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<ol style=3D"margin-top:0in" start=3D"1" type=3D"1">
<li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 =
lfo1">Clarify the terms and underlying techniques for data plane on-path te=
lemetry<o:p></o:p></li><li class=3D"MsoListParagraph" style=3D"margin-left:=
0in;mso-list:l0 level1 lfo1">Present a framework that addresses the practic=
al implementation and deployment issues<o:p></o:p></li><li class=3D"MsoList=
Paragraph" style=3D"margin-left:0in;mso-list:l0 level1 lfo1">Identify the o=
pen issues and directions for related standard development<o:p></o:p></li><=
/ol>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Given the wide industry interests on adopting such t=
echniques, we believe this informational draft is useful and
<o:p></o:p></p>
<p class=3D"MsoNormal">In the scope of OPSAWG. &nbsp;Please review the draf=
t and provide your opinions, suggestions, and comments.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thank you very much!<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Haoyu &nbsp;&nbsp;<o:p></o:p></p>
</div>
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Subject: Re: [OPSAWG] Questions on draft-lear-opsawg-mud-reporter-00
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> On 19 Jul 2019, at 16:29, Joe Clarke (jclarke) <jclarke@cisco.com> =
wrote:
>=20
> Hello, authors.  I=E2=80=99ve been reading through the drafts to be =
presented at IETF 105, and I just got through this draft.
>=20
> I have some questions on the ietf-mud-reporter model.  Would this =
model be implemented on the MUD controller?

Yes.

>  Would it not make sense for these report nodes to be =E2=80=9Cconfig =
false=E2=80=9D as they are mainly used to provide statistics to the =
collector.

Not sure what you mean.

>=20
> I see you=E2=80=99re using a 32-bit int for the drop-count.  Would it =
not make sense to make this a 64-bit counter instead?  Yeah, this number =
should be low, but if something goes crazy, having a larger field space =
might be useful.

It=E2=80=99s a lot of drops.  Let=E2=80=99s talk about scaling this =
because there are a great many.

Eliot


>=20
> Joe
> _______________________________________________
> OPSAWG mailing list
> OPSAWG@ietf.org
> https://www.ietf.org/mailman/listinfo/opsawg


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From: "Joe Clarke (jclarke)" <jclarke@cisco.com>
To: Eliot Lear <lear@cisco.com>
CC: "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: [OPSAWG] Questions on draft-lear-opsawg-mud-reporter-00
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Date: Sat, 20 Jul 2019 13:24:41 +0000
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Subject: Re: [OPSAWG] Questions on draft-lear-opsawg-mud-reporter-00
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From nobody Sat Jul 20 08:01:54 2019
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From: "M. Ranganathan" <mranga@gmail.com>
Date: Sat, 20 Jul 2019 11:01:07 -0400
Message-ID: <CAHiu4JOzJ2vfaZ0JZpi4Z_+VuFCReeZAreYzUS4FgWC9uRr8WA@mail.gmail.com>
To: Joe Clarke <jclarke@cisco.com>
Cc: Eliot Lear <lear@cisco.com>, opsawg@ietf.org
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Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/qZ0YBKy3x4nm2Kf_7ZKMDnl-QSg>
Subject: Re: [OPSAWG] Questions on draft-lear-opsawg-mud-reporter-00
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On Sat, Jul 20, 2019, 9:24 AM Joe Clarke (jclarke) <jclarke@cisco.com>
wrote:

>
>
> > On Jul 20, 2019, at 06:46, Eliot Lear <lear@cisco.com> wrote:
> >
> >
>
> >>
> >> I see you=E2=80=99re using a 32-bit int for the drop-count.  Would it =
not make
> sense to make this a 64-bit counter instead?  Yeah, this number should be
> low, but if something goes crazy, having a larger field space might be
> useful.
> >
> > It=E2=80=99s a lot of drops.  Let=E2=80=99s talk about scaling this bec=
ause there are a
> great many.
>
> It is, yes.  But if you started to see a lot of this, you might be able t=
o
> identify a compromise.
>

A relative drop count is probably sufficient to identify issues. For
example, if the manufacturer is informed that packets to local network are
being dropped (his device wants to send to a locally bound controller) then
it probably means that  the controller has not been bound. Exact drop
counts are probably not required.
I think it would be worthwhile to run through a complete scenario (i.e.
simulated "malfunctioning" device and diagnostic report) to determine what
is actually required to be reported.

Ranga



> Joe
>
> _______________________________________________
> OPSAWG mailing list
> OPSAWG@ietf.org
> https://www.ietf.org/mailman/listinfo/opsawg
>

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<div dir=3D"ltr"><div dir=3D"ltr"><br></div><div dir=3D"auto"></div><br><di=
v class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jul 2=
0, 2019, 9:24 AM Joe Clarke (jclarke) &lt;<a href=3D"mailto:jclarke@cisco.c=
om" target=3D"_blank">jclarke@cisco.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"><br>
<br>
&gt; On Jul 20, 2019, at 06:46, Eliot Lear &lt;<a href=3D"mailto:lear@cisco=
.com" rel=3D"noreferrer" target=3D"_blank">lear@cisco.com</a>&gt; wrote:<br=
>
&gt; <br>
&gt; <br><br>
&gt;&gt; <br>
&gt;&gt; I see you=E2=80=99re using a 32-bit int for the drop-count.=C2=A0 =
Would it not make sense to make this a 64-bit counter instead?=C2=A0 Yeah, =
this number should be low, but if something goes crazy, having a larger fie=
ld space might be useful.<br>
&gt; <br>
&gt; It=E2=80=99s a lot of drops.=C2=A0 Let=E2=80=99s talk about scaling th=
is because there are a great many.<br>
<br>
It is, yes.=C2=A0 But if you started to see a lot of this, you might be abl=
e to identify a compromise.<br></blockquote><div><br></div><div>A relative =
drop count is probably sufficient to identify issues. For example, if the m=
anufacturer is informed that packets to local network are being dropped (hi=
s device wants to send to a locally bound controller) then it probably mean=
s that=C2=A0 the controller has not been bound. Exact drop counts are proba=
bly not required.</div><div>I think it would be worthwhile to run through a=
 complete scenario (i.e. simulated &quot;malfunctioning&quot; device and di=
agnostic report) to determine what is actually required to be reported.</di=
v><div><br></div><div>Ranga<br></div><div><br></div><div><br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px=
 solid rgb(204,204,204);padding-left:1ex">
<br>
Joe<br>
<br>
_______________________________________________<br>
OPSAWG mailing list<br>
<a href=3D"mailto:OPSAWG@ietf.org" rel=3D"noreferrer" target=3D"_blank">OPS=
AWG@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/opsawg" rel=3D"noreferrer =
noreferrer" target=3D"_blank">https://www.ietf.org/mailman/listinfo/opsawg<=
/a><br>
</blockquote></div>
</div>

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To: Michael Richardson <mcr+ietf@sandelman.ca>
Cc: captive-portals <captive-portals@ietf.org>, opsawg@ietf.org, mud@ietf.org
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Subject: Re: [OPSAWG] [Captive-portals] putting quarantined IoT devices behind a captive portal (fwd) Michael Richardson: putting quarantined IoT devices behind a captive portal
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Most discussion has, co-chair hat off, be circling around some minimal
working API mechanism to get things started.

That said, one could easily imagine, for example, something as simple as an
additional API boolean key,

    "quarantined": true|false,

Perhaps once there's some experience with 7710bis+API implementation...

On Tue, 9 Jul 2019 at 14:41, Michael Richardson <mcr+ietf@sandelman.ca>
wrote:

>
> Again, a WG whose ML is not the WG name, and there is no alias. ARGH.
> Here are some emails that didn't get to captive-portals@ietf.org.
> Sorry for the duplication for others.
>
>
>
>
> ---------- Forwarded message ----------
> From: Michael Richardson <mcr+ietf@sandelman.ca>
> To: "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>,
> capport@ietf.org
> Cc:
> Bcc:
> Date: Tue, 09 Jul 2019 10:41:58 -0400
> Subject: putting quarantined IoT devices behind a captive portal
>
> Between editing drafts yesterday, I got to thinking about CAPPORT.
> I have been working on what to do when an IoT device violates it's MUD
> profile.  There are a bunch of issues around this.
>
> Yesterday, it occured to me that when such a device is quarantined
> (I really think it should be "quaranteed", but that's not a word)
> that the capport controls and APIs should be available to the device to
> learn what went on.
>
> This is not new, I think that this as been the approach of most enterpris=
e
> NEA systems upon encountering "infection".  This has, I assume, involved
> forced HTTP proxies to inform human.  But, if we have APIs, we can inform
> device as well.
>
> Is this on anyone's radar?
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -=3D IPv6 IoT consulting =3D-
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Michael Richardson <mcr+ietf@sandelman.ca>
> To: Eliot Lear <lear@cisco.com>
> Cc: "opsawg@ietf.org" <opsawg@ietf.org>, "mud@ietf.org" <mud@ietf.org>,
> capport@ietf.org
> Bcc:
> Date: Tue, 09 Jul 2019 14:38:58 -0400
> Subject: Re: [OPSAWG] putting quarantined IoT devices behind a captive
> portal
>
> Eliot Lear <lear@cisco.com> wrote:
>     > I=E2=80=99m not quite certain how it would work.  Can you show a fl=
ow that
> will
>     > work for an IoT device (e.g., headless and no display)?
>
> Device gets quarantined, and the MUD-controller moves it into an isolated
> "VLAN".  I put air/scare quotes around VLAN, because it's a "MAC-address
> VLAN", not an 802.1Q thing.  It's really just a layer-2 ACL.
>
> {We have no way to force the mishaving device into tagging it's packets,
> nor
> can we force it onto some other ESSID. We can't do a "port-based" VLAN,
> because wifi has no ports, and we don't really know how many unmanaged
> switches might be on the port anyway.
> One might map this onto a IEEE 802.1Q VLAN across a backbone}
>
> Instead of just dropping all traffic for a device in this category,
> all traffic (other than excepted traffic if you implement
>
> https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quarantined-acc=
ess/
> )
> would go into a captive portal system.
>
> Such a system would, according to
> https://datatracker.ietf.org/doc/draft-ietf-capport-architecture/
> receive a message when it initiates connections which are not allowed.
> (While the capport WG contemplated an ICMP unreachable message with a
> URI in it at one point, that is not the current design)
>
> Actually, I have no idea from reviewing the documentation what the
> appropriate "you might be captive" ICMP is now.. THERE IS ONE RIGHT?
>
> Once the IoT device gets such a message, it can use the API
> described at: https://datatracker.ietf.org/doc/draft-ietf-capport-api/
> to retrieve a JSON object telling it that it is captive. At which point, =
it
> can flash a LED, or attempt a firmware upgrade, or maybe just reboot if a
> timer goes off.  (%)
>
> This requires that the IoT device get the captive portal API end point,
> which
> https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/ can
> deliver
> via DHCPv4/v6 or RA.
>
>
>     >> On 9 Jul 2019, at 16:41, Michael Richardson <mcr+ietf@sandelman.ca=
>
>     >> wrote:
>     >>
>     >> Signed PGP part
>     >>
>     >> Between editing drafts yesterday, I got to thinking about CAPPORT.
> I
>     >> have been working on what to do when an IoT device violates it's M=
UD
>     >> profile.  There are a bunch of issues around this.
>     >>
>     >> Yesterday, it occured to me that when such a device is quarantined
> (I
>     >> really think it should be "quaranteed", but that's not a word) tha=
t
>     >> the capport controls and APIs should be available to the device to
>     >> learn what went on.
>     >>
>     >> This is not new, I think that this as been the approach of most
>     >> enterprise NEA systems upon encountering "infection".  This has, I
>     >> assume, involved forced HTTP proxies to inform human.  But, if we
> have
>     >> APIs, we can inform device as well.
>     >>
>     >> Is this on anyone's radar?
>     >>
>     >> --
>     >> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software
> Works
>     >> -=3D IPv6 IoT consulting =3D-
>     >>
>     >>
>     >>
>     >>
>     >>
>
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -=3D IPv6 IoT consulting =3D-
>
>
>
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -=3D IPv6 IoT consulting =3D-
>
>
>
> _______________________________________________
> Captive-portals mailing list
> Captive-portals@ietf.org
> https://www.ietf.org/mailman/listinfo/captive-portals
>

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<div dir=3D"ltr">Most discussion has, co-chair hat off, be circling around =
some minimal working API mechanism to get things started.<div><br></div><di=
v>That said, one could easily imagine, for example, something as simple as=
=C2=A0an additional API boolean key,</div><div><br></div><div>=C2=A0 =C2=A0=
 &quot;quarantined&quot;: true|false,</div><div><br></div><div>Perhaps once=
 there&#39;s some experience with 7710bis+API implementation...</div></div>=
<br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue=
, 9 Jul 2019 at 14:41, Michael Richardson &lt;<a href=3D"mailto:mcr%2Bietf@=
sandelman.ca">mcr+ietf@sandelman.ca</a>&gt; wrote:<br></div><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex"><br>
Again, a WG whose ML is not the WG name, and there is no alias. ARGH.<br>
Here are some emails that didn&#39;t get to <a href=3D"mailto:captive-porta=
ls@ietf.org" target=3D"_blank">captive-portals@ietf.org</a>.<br>
Sorry for the duplication for others.<br>
<br>
<br><br><br>---------- Forwarded message ----------<br>From:=C2=A0Michael R=
ichardson &lt;<a href=3D"mailto:mcr%2Bietf@sandelman.ca" target=3D"_blank">=
mcr+ietf@sandelman.ca</a>&gt;<br>To:=C2=A0&quot;<a href=3D"mailto:opsawg@ie=
tf.org" target=3D"_blank">opsawg@ietf.org</a>&quot; &lt;<a href=3D"mailto:o=
psawg@ietf.org" target=3D"_blank">opsawg@ietf.org</a>&gt;, &quot;<a href=3D=
"mailto:mud@ietf.org" target=3D"_blank">mud@ietf.org</a>&quot; &lt;<a href=
=3D"mailto:mud@ietf.org" target=3D"_blank">mud@ietf.org</a>&gt;, <a href=3D=
"mailto:capport@ietf.org" target=3D"_blank">capport@ietf.org</a><br>Cc:=C2=
=A0<br>Bcc:=C2=A0<br>Date:=C2=A0Tue, 09 Jul 2019 10:41:58 -0400<br>Subject:=
=C2=A0putting quarantined IoT devices behind a captive portal<br><br>
Between editing drafts yesterday, I got to thinking about CAPPORT.<br>
I have been working on what to do when an IoT device violates it&#39;s MUD<=
br>
profile.=C2=A0 There are a bunch of issues around this.<br>
<br>
Yesterday, it occured to me that when such a device is quarantined<br>
(I really think it should be &quot;quaranteed&quot;, but that&#39;s not a w=
ord)<br>
that the capport controls and APIs should be available to the device to<br>
learn what went on.<br>
<br>
This is not new, I think that this as been the approach of most enterprise<=
br>
NEA systems upon encountering &quot;infection&quot;.=C2=A0 This has, I assu=
me, involved<br>
forced HTTP proxies to inform human.=C2=A0 But, if we have APIs, we can inf=
orm<br>
device as well.<br>
<br>
Is this on anyone&#39;s radar?<br>
<br>
--<br>
Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@sandelman.ca" target=3D=
"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman Software Works<br>
=C2=A0-=3D IPv6 IoT consulting =3D-<br>
<br>
<br>
<br>
<br><br><br>---------- Forwarded message ----------<br>From:=C2=A0Michael R=
ichardson &lt;<a href=3D"mailto:mcr%2Bietf@sandelman.ca" target=3D"_blank">=
mcr+ietf@sandelman.ca</a>&gt;<br>To:=C2=A0Eliot Lear &lt;<a href=3D"mailto:=
lear@cisco.com" target=3D"_blank">lear@cisco.com</a>&gt;<br>Cc:=C2=A0&quot;=
<a href=3D"mailto:opsawg@ietf.org" target=3D"_blank">opsawg@ietf.org</a>&qu=
ot; &lt;<a href=3D"mailto:opsawg@ietf.org" target=3D"_blank">opsawg@ietf.or=
g</a>&gt;, &quot;<a href=3D"mailto:mud@ietf.org" target=3D"_blank">mud@ietf=
.org</a>&quot; &lt;<a href=3D"mailto:mud@ietf.org" target=3D"_blank">mud@ie=
tf.org</a>&gt;, <a href=3D"mailto:capport@ietf.org" target=3D"_blank">cappo=
rt@ietf.org</a><br>Bcc:=C2=A0<br>Date:=C2=A0Tue, 09 Jul 2019 14:38:58 -0400=
<br>Subject:=C2=A0Re: [OPSAWG] putting quarantined IoT devices behind a cap=
tive portal<br><br>
Eliot Lear &lt;<a href=3D"mailto:lear@cisco.com" target=3D"_blank">lear@cis=
co.com</a>&gt; wrote:<br>
=C2=A0 =C2=A0 &gt; I=E2=80=99m not quite certain how it would work.=C2=A0 C=
an you show a flow that will<br>
=C2=A0 =C2=A0 &gt; work for an IoT device (e.g., headless and no display)?<=
br>
<br>
Device gets quarantined, and the MUD-controller moves it into an isolated<b=
r>
&quot;VLAN&quot;.=C2=A0 I put air/scare quotes around VLAN, because it&#39;=
s a &quot;MAC-address<br>
VLAN&quot;, not an 802.1Q thing.=C2=A0 It&#39;s really just a layer-2 ACL.<=
br>
<br>
{We have no way to force the mishaving device into tagging it&#39;s packets=
, nor<br>
can we force it onto some other ESSID. We can&#39;t do a &quot;port-based&q=
uot; VLAN,<br>
because wifi has no ports, and we don&#39;t really know how many unmanaged<=
br>
switches might be on the port anyway.<br>
One might map this onto a IEEE 802.1Q VLAN across a backbone}<br>
<br>
Instead of just dropping all traffic for a device in this category,<br>
all traffic (other than excepted traffic if you implement<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-richardson-shg-mud-quaran=
tined-access/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.iet=
f.org/doc/draft-richardson-shg-mud-quarantined-access/</a>)<br>
would go into a captive portal system.<br>
<br>
Such a system would, according to<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-capport-architecture=
/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/dr=
aft-ietf-capport-architecture/</a><br>
receive a message when it initiates connections which are not allowed.<br>
(While the capport WG contemplated an ICMP unreachable message with a<br>
URI in it at one point, that is not the current design)<br>
<br>
Actually, I have no idea from reviewing the documentation what the<br>
appropriate &quot;you might be captive&quot; ICMP is now.. THERE IS ONE RIG=
HT?<br>
<br>
Once the IoT device gets such a message, it can use the API<br>
described at: <a href=3D"https://datatracker.ietf.org/doc/draft-ietf-cappor=
t-api/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/d=
oc/draft-ietf-capport-api/</a><br>
to retrieve a JSON object telling it that it is captive. At which point, it=
<br>
can flash a LED, or attempt a firmware upgrade, or maybe just reboot if a<b=
r>
timer goes off.=C2=A0 (%)<br>
<br>
This requires that the IoT device get the captive portal API end point, whi=
ch<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-capport-rfc7710bis/"=
 rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/doc/draf=
t-ietf-capport-rfc7710bis/</a> can deliver<br>
via DHCPv4/v6 or RA.<br>
<br>
<br>
=C2=A0 =C2=A0 &gt;&gt; On 9 Jul 2019, at 16:41, Michael Richardson &lt;<a h=
ref=3D"mailto:mcr%2Bietf@sandelman.ca" target=3D"_blank">mcr+ietf@sandelman=
.ca</a>&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; wrote:<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Signed PGP part<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Between editing drafts yesterday, I got to thinking =
about CAPPORT.=C2=A0 I<br>
=C2=A0 =C2=A0 &gt;&gt; have been working on what to do when an IoT device v=
iolates it&#39;s MUD<br>
=C2=A0 =C2=A0 &gt;&gt; profile.=C2=A0 There are a bunch of issues around th=
is.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Yesterday, it occured to me that when such a device =
is quarantined (I<br>
=C2=A0 =C2=A0 &gt;&gt; really think it should be &quot;quaranteed&quot;, bu=
t that&#39;s not a word) that<br>
=C2=A0 =C2=A0 &gt;&gt; the capport controls and APIs should be available to=
 the device to<br>
=C2=A0 =C2=A0 &gt;&gt; learn what went on.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; This is not new, I think that this as been the appro=
ach of most<br>
=C2=A0 =C2=A0 &gt;&gt; enterprise NEA systems upon encountering &quot;infec=
tion&quot;.=C2=A0 This has, I<br>
=C2=A0 =C2=A0 &gt;&gt; assume, involved forced HTTP proxies to inform human=
.=C2=A0 But, if we have<br>
=C2=A0 =C2=A0 &gt;&gt; APIs, we can inform device as well.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; Is this on anyone&#39;s radar?<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; --<br>
=C2=A0 =C2=A0 &gt;&gt; Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@=
sandelman.ca" target=3D"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman So=
ftware Works<br>
=C2=A0 =C2=A0 &gt;&gt; -=3D IPv6 IoT consulting =3D-<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
<br>
<br>
--<br>
Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@sandelman.ca" target=3D=
"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman Software Works<br>
=C2=A0-=3D IPv6 IoT consulting =3D-<br>
<br>
<br>
<br>
<br>
--<br>
Michael Richardson &lt;<a href=3D"mailto:mcr%2BIETF@sandelman.ca" target=3D=
"_blank">mcr+IETF@sandelman.ca</a>&gt;, Sandelman Software Works<br>
=C2=A0-=3D IPv6 IoT consulting =3D-<br>
<br>
<br>
<br>
_______________________________________________<br>
Captive-portals mailing list<br>
<a href=3D"mailto:Captive-portals@ietf.org" target=3D"_blank">Captive-porta=
ls@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/captive-portals" rel=3D"no=
referrer" target=3D"_blank">https://www.ietf.org/mailman/listinfo/captive-p=
ortals</a><br>
</blockquote></div>

--0000000000001be4ce058e28a124--


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To: "opsawg@ietf.org" <opsawg@ietf.org>
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From nobody Mon Jul 22 16:41:32 2019
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Subject: [OPSAWG] I-D Action: draft-ietf-opsawg-sdi-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Operations and Management Area Working Group WG of the IETF.

        Title           : Secure Device Install
        Authors         : Warren Kumari
                          Colin Doyle
	Filename        : draft-ietf-opsawg-sdi-00.txt
	Pages           : 16
	Date            : 2019-07-22

Abstract:
   Deploying a new network device often requires that an employee
   physically travel to a datacenter to perform the initial install and
   configuration, even in shared datacenters with "smart-hands" type
   support.  In many cases, this could be avoided if there were a
   standard, secure way to initially provision the devices.

   This document extends existing auto-install / Zero-Touch Provisioning
   mechanisms to make the process more secure.

   [ Ed note: Text inside square brackets ([]) is additional background
   information, answers to frequently asked questions, general musings,
   etc.  They will be removed before publication.  This document is
   being collaborated on in Github at: https://github.com/wkumari/draft-
   wkumari-opsawg-sdi.  The most recent version of the document, open
   issues, etc should all be available here.  The authors (gratefully)
   accept pull requests. ]

   [ Ed note: This document introduces concepts and serves as the basic
   for discussion - because of this, it is conversational, and would
   need to be firmed up before being published ]


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

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-opsawg-sdi-00
https://datatracker.ietf.org/doc/html/draft-ietf-opsawg-sdi-00


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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--_000_BBA82579FD347748BEADC4C445EA0F21BEED1CA6NKGEML515MBSchi_
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<style>=0A=
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</head>
<body lang=3D"ZH-CN" link=3D"#0563C1" vlink=3D"#954F72" style=3D"" fpstyle=
=3D"1" ocsi=3D"0">
<div style=3D"direction: ltr;font-family: Tahoma;color: #000000;font-size: =
10pt;">
<div>
<div>Hi WG,</div>
<div>Now we conclude the poll and adopt this document as WG draft. There ar=
e reasonable supports. And it relates to the existing tacacs&#43; work in t=
his WG.</div>
<div><br>
</div>
<div>Authors,</div>
<div>Please republish draft-zheng-opsawg-tacacs-yang-02 as draft-ietf-opsaw=
g-tacacs-yang-00 with only the date and file name changed.</div>
<div>Please also address the questions raised during the poll and report on=
 the meeting slot.</div>
<div><br>
</div>
<div><br>
</div>
<div>Cheers,</div>
<div>Tianran and Joe</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div style=3D"font-family: Times New Roman; color: #000000; font-size: 16px=
">
<hr tabindex=3D"-1">
<div id=3D"divRpF713552" style=3D"direction: ltr;"><font face=3D"Tahoma" si=
ze=3D"2" color=3D"#000000"><b>=B7=A2=BC=FE=C8=CB:</b> OPSAWG [opsawg-bounce=
s@ietf.org] =B4=FA=B1=ED Tianran Zhou [zhoutianran@huawei.com]<br>
<b>=B7=A2=CB=CD=CA=B1=BC=E4:</b> 2019=C4=EA7=D4=C27=C8=D5 15:58<br>
<b>=CA=D5=BC=FE=C8=CB:</b> opsawg@ietf.org<br>
<b>=B3=AD=CB=CD:</b> OpsAWG Chairs<br>
<b>=D6=F7=CC=E2:</b> [OPSAWG] WG adoption poll for draft-zheng-opsawg-tacac=
s-yang-02<br>
</font><br>
</div>
<div></div>
<div>
<div class=3D"WordSection1">
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Hi WG,</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">This document was presented =
in Prague. The authors have addressed all the comments and believe it</span=
><span lang=3D"EN-US" style=3D"font-family:&quot;Courier New&quot;">=A1=AF<=
/span><span lang=3D"EN-US">s ready for further working group
 discussion.</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><a href=3D"https://tools.iet=
f.org/html/draft-zheng-opsawg-tacacs-yang-02" target=3D"_blank" rel=3D"noop=
ener noreferrer">https://tools.ietf.org/html/draft-zheng-opsawg-tacacs-yang=
-02</a></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">This email starts a two week=
s poll for adoption.
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you support adopting this=
 document please say so, and please give an indication of why you think it =
is important. Also please say if you will be willing to review and help the=
 draft.</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">If you do not support adopti=
ng this document as a starting point for work on this topic, please say why=
..</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">This poll will run until 22n=
d July.</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Regards,</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Tianran &amp; Joe</span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;</span></p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>

--_000_BBA82579FD347748BEADC4C445EA0F21BEED1CA6NKGEML515MBSchi_--


From nobody Tue Jul 23 15:43:42 2019
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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 Operations and Management Area Working Group WG of the IETF.

        Title           : Yang data model for TACACS+
        Authors         : Guangying Zheng
                          Michael Wang
                          Bo Wu
	Filename        : draft-ietf-opsawg-tacacs-yang-00.txt
	Pages           : 14
	Date            : 2019-07-23

Abstract:
   This document defines a YANG modules that augment the System data
   model defined in the RFC 7317 with TACACS+ client model.  The data
   model of Terminal Access Controller Access Control System Plus
   (TACACS+) client allows the configuration of TACACS+ servers for
   centralized Authentication, Authorization and Accounting.

   The YANG modules in this document conforms to the Network Management
   Datastore Architecture (NMDA) defined in RFC 8342.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-opsawg-tacacs-yang/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-opsawg-tacacs-yang-00
https://datatracker.ietf.org/doc/html/draft-ietf-opsawg-tacacs-yang-00


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 Jul 23 17:03:46 2019
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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: ek@loon.com
cc: captive-portals <captive-portals@ietf.org>, opsawg@ietf.org, mud@ietf.org
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Comments: In-reply-to Erik Kline <ek@loon.com> message dated "Sat, 20 Jul 2019 23:33:44 -0400."
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Subject: Re: [OPSAWG] [Captive-portals] putting quarantined IoT devices behind a captive portal (fwd) Michael Richardson: putting quarantined IoT devices behind a captive portal
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--=-=-=
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Erik Kline <ek@loon.com> wrote:
    > Most discussion has, co-chair hat off, be circling around some minimal
    > working API mechanism to get things started.

    > That said, one could easily imagine, for example, something as simple
    > as an additional API boolean key,

    > "quarantined": true|false,

I think that I want to implement exactly this then.

This means providing the API info in the DHCPv4 to all devices, but
for many devices, even though there is no restriction at all.=20

A concern that was recently raised is attackers that might attempt to
impersonate other devices (same L2/L3 address), and do things to trigger
quarantine.  Once you train the users to unquarantine without thinking...

=2D-=20
]               Never tell me the odds!                 | ipv6 mesh network=
s [=20
]   Michael Richardson, Sandelman Software Works        | network architect=
  [=20
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails  =
  [=20
=09

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From nobody Mon Jul 29 14:44:42 2019
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From nobody Mon Jul 29 17:15:49 2019
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Thank you for this thread.

Joe Clarke (jclarke) <jclarke@cisco.com> wrote:
    > Speaking as WG co-chair, I am happy to continue to support the MUD wo=
rk
    > in opsawg, but I want to make sure the WG feels compelled to work on
    > it; and I want to make sure the full community that is interested in
    > MUD can follow and discuss items here.  That said, it was mentioned in
    > 105 that perhaps a bigger =E2=80=9Con-boarding=E2=80=9D set of work w=
ould be better
    > served in its own WG.  I think if the scope of MUD grows beyond the
    > definition and its extensions (as we=E2=80=99ve been seeing the work =
progress
    > thus far) it might be better served in its own WG space.

I think that MUD and MUD extensions is a pretty clear scope.
I think that the bigger on-boarding work is too nebulous to scope easily.

Perhaps a WG could be created with a name/scope like:
        Security Operations for Constrained Devices

(except that won't be a cool enough acronym)


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=2D-=20
]               Never tell me the odds!                 | ipv6 mesh network=
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]   Michael Richardson, Sandelman Software Works        |    IoT architect =
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]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails  =
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Hi Joe,

> On 29 Jul 2019, at 23:44, Joe Clarke (jclarke) <jclarke@cisco.com> =
wrote:
>=20
> OpsAWG members and our Ops ADs, it was discussed in opsawg at IETF 105 =
that with the amount of MUD work being proposed (and discussions =
happening outside of opsawg) that perhaps MUD should evolve into its own =
WG.  Some cons to this approached were discussed (maybe it would be too =
heavy-weight with a charter, milestones, etc.).  However, I wanted to =
take this conversation to the list so we can close on it publicly.
>=20
> Speaking as WG co-chair, I am happy to continue to support the MUD =
work in opsawg, but I want to make sure the WG feels compelled to work =
on it; and I want to make sure the full community that is interested in =
MUD can follow and discuss items here.  That said, it was mentioned in =
105 that perhaps a bigger =E2=80=9Con-boarding=E2=80=9D set of work =
would be better served in its own WG.  I think if the scope of MUD grows =
beyond the definition and its extensions (as we=E2=80=99ve been seeing =
the work progress thus far) it might be better served in its own WG =
space.
>=20
> Thoughts?

I think it is probably time for at least one WG to spring from OPSAWG.  =
We didn=E2=80=99t really complete the agenda at the IETF, and a good =
reason of that was MUD.  There are at least four active drafts on that =
one subject, one of which we didn=E2=80=99t really talk about =
(bw-profile).  For me it=E2=80=99s a matter of what can reasonably be =
coded, tested, and be useful for manufacturers.  In as much as we can =
bring a bit more focus to manufacturers by offering them more of a venue =
for discussion, the additional WG would be welcome.  On the other hand, =
if we find that we=E2=80=99re not making progress, or if we progress =
extensions quickly, we can close the WG and continue the mailing list, =
and move back to OPSAWG.  I don=E2=80=99t see a MUD working group as a =
long term activity (famous last words), but targeted more at producing =
the necessary for broader adoption and then going out of business.

Eliot

>=20
> Joe
> _______________________________________________
> OPSAWG mailing list
> OPSAWG@ietf.org
> https://www.ietf.org/mailman/listinfo/opsawg


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From nobody Wed Jul 31 01:45:53 2019
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From: Eliot Lear <lear@cisco.com>
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Date: Wed, 31 Jul 2019 10:45:23 +0200
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Cc: "opsawg@ietf.org" <opsawg@ietf.org>, "ops-ads@ietf.org" <ops-ads@ietf.org>, mud@ietf.org
To: "Joe Clarke (jclarke)" <jclarke@cisco.com>
References: <D9AF7D6E-7434-4AE4-A2A5-26CD52C2FE20@cisco.com> <849DED7F-6701-4B26-9645-0B076A224C05@cisco.com>
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Subject: Re: [OPSAWG] The future of MUD work
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On the other hand, it shouldn=E2=80=99t just be me.  It=E2=80=99d be a =
very small working group ;-) If others are interested, they should speak =
up.

> On 30 Jul 2019, at 11:09, Eliot Lear <lear@cisco.com> wrote:
>=20
> Signed PGP part
> Hi Joe,
>=20
>> On 29 Jul 2019, at 23:44, Joe Clarke (jclarke) <jclarke@cisco.com> =
wrote:
>>=20
>> OpsAWG members and our Ops ADs, it was discussed in opsawg at IETF =
105 that with the amount of MUD work being proposed (and discussions =
happening outside of opsawg) that perhaps MUD should evolve into its own =
WG.  Some cons to this approached were discussed (maybe it would be too =
heavy-weight with a charter, milestones, etc.).  However, I wanted to =
take this conversation to the list so we can close on it publicly.
>>=20
>> Speaking as WG co-chair, I am happy to continue to support the MUD =
work in opsawg, but I want to make sure the WG feels compelled to work =
on it; and I want to make sure the full community that is interested in =
MUD can follow and discuss items here.  That said, it was mentioned in =
105 that perhaps a bigger =E2=80=9Con-boarding=E2=80=9D set of work =
would be better served in its own WG.  I think if the scope of MUD grows =
beyond the definition and its extensions (as we=E2=80=99ve been seeing =
the work progress thus far) it might be better served in its own WG =
space.
>>=20
>> Thoughts?
>=20
> I think it is probably time for at least one WG to spring from OPSAWG. =
 We didn=E2=80=99t really complete the agenda at the IETF, and a good =
reason of that was MUD.  There are at least four active drafts on that =
one subject, one of which we didn=E2=80=99t really talk about =
(bw-profile).  For me it=E2=80=99s a matter of what can reasonably be =
coded, tested, and be useful for manufacturers.  In as much as we can =
bring a bit more focus to manufacturers by offering them more of a venue =
for discussion, the additional WG would be welcome.  On the other hand, =
if we find that we=E2=80=99re not making progress, or if we progress =
extensions quickly, we can close the WG and continue the mailing list, =
and move back to OPSAWG.  I don=E2=80=99t see a MUD working group as a =
long term activity (famous last words), but targeted more at producing =
the necessary for broader adoption and then going out of business.
>=20
> Eliot
>=20
>>=20
>> Joe
>> _______________________________________________
>> OPSAWG mailing list
>> OPSAWG@ietf.org <mailto:OPSAWG@ietf.org>
>> https://www.ietf.org/mailman/listinfo/opsawg =
<https://www.ietf.org/mailman/listinfo/opsawg>
>=20
>=20
>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">On =
the other hand, it shouldn=E2=80=99t just be me. &nbsp;It=E2=80=99d be a =
very small working group ;-) If others are interested, they should speak =
up.<br class=3D""><div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D"">On 30 Jul 2019, at 11:09, Eliot Lear &lt;<a =
href=3D"mailto:lear@cisco.com" class=3D"">lear@cisco.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"protected-part" style=3D"caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 16px; font-style: normal; =
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normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div class=3D"protected-title">Signed PGP =
part</div><div class=3D"protected-content">Hi Joe,<br class=3D""><br =
class=3D""><blockquote type=3D"cite" class=3D"">On 29 Jul 2019, at =
23:44, Joe Clarke (jclarke) &lt;<a href=3D"mailto:jclarke@cisco.com" =
class=3D"">jclarke@cisco.com</a>&gt; wrote:<br class=3D""><br =
class=3D"">OpsAWG members and our Ops ADs, it was discussed in opsawg at =
IETF 105 that with the amount of MUD work being proposed (and =
discussions happening outside of opsawg) that perhaps MUD should evolve =
into its own WG. &nbsp;Some cons to this approached were discussed =
(maybe it would be too heavy-weight with a charter, milestones, etc.). =
&nbsp;However, I wanted to take this conversation to the list so we can =
close on it publicly.<br class=3D""><br class=3D"">Speaking as WG =
co-chair, I am happy to continue to support the MUD work in opsawg, but =
I want to make sure the WG feels compelled to work on it; and I want to =
make sure the full community that is interested in MUD can follow and =
discuss items here. &nbsp;That said, it was mentioned in 105 that =
perhaps a bigger =E2=80=9Con-boarding=E2=80=9D set of work would be =
better served in its own WG. &nbsp;I think if the scope of MUD grows =
beyond the definition and its extensions (as we=E2=80=99ve been seeing =
the work progress thus far) it might be better served in its own WG =
space.<br class=3D""><br class=3D"">Thoughts?<br =
class=3D""></blockquote><br class=3D"">I think it is probably time for =
at least one WG to spring from OPSAWG. &nbsp;We didn=E2=80=99t really =
complete the agenda at the IETF, and a good reason of that was MUD. =
&nbsp;There are at least four active drafts on that one subject, one of =
which we didn=E2=80=99t really talk about (bw-profile). &nbsp;For me =
it=E2=80=99s a matter of what can reasonably be coded, tested, and be =
useful for manufacturers. &nbsp;In as much as we can bring a bit more =
focus to manufacturers by offering them more of a venue for discussion, =
the additional WG would be welcome. &nbsp;On the other hand, if we find =
that we=E2=80=99re not making progress, or if we progress extensions =
quickly, we can close the WG and continue the mailing list, and move =
back to OPSAWG. &nbsp;I don=E2=80=99t see a MUD working group as a long =
term activity (famous last words), but targeted more at producing the =
necessary for broader adoption and then going out of business.<br =
class=3D""><br class=3D"">Eliot<br class=3D""><br class=3D""><blockquote =
type=3D"cite" class=3D""><br class=3D"">Joe<br =
class=3D"">_______________________________________________<br =
class=3D"">OPSAWG mailing list<br class=3D""><a =
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Date: Wed, 31 Jul 2019 06:14:36 -0400
In-Reply-To: <DC608C90-ADBE-4D31-A226-D441F784D5E4@cisco.com>
Cc: "Joe Clarke (jclarke)" <jclarke@cisco.com>, "opsawg@ietf.org" <opsawg@ietf.org>, "ops-ads@ietf.org" <ops-ads@ietf.org>, mud@ietf.org
To: Eliot Lear <lear@cisco.com>
References: <D9AF7D6E-7434-4AE4-A2A5-26CD52C2FE20@cisco.com> <849DED7F-6701-4B26-9645-0B076A224C05@cisco.com> <DC608C90-ADBE-4D31-A226-D441F784D5E4@cisco.com>
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Subject: Re: [OPSAWG] [Mud]  The future of MUD work
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On Jul 31, 2019, at 4:45 AM, Eliot Lear <lear@cisco.com> wrote:
> On the other hand, it shouldn=E2=80=99t just be me.  It=E2=80=99d be a =
very small working group ;-) If others are interested, they should speak =
up.

I don=E2=80=99t think I would necessarily initiate work, but I suspect =
if there were a MUD WG I would show up for it and review documents.  The =
fact that MUD is in OPSAWG has meant that I don=E2=80=99t go because =
that=E2=80=99s not a WG I normally go to, and I didn=E2=80=99t realize =
that was where the MUD work was happening.


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">On =
Jul 31, 2019, at 4:45 AM, Eliot Lear &lt;<a href=3D"mailto:lear@cisco.com"=
 class=3D"">lear@cisco.com</a>&gt; wrote:<div><blockquote type=3D"cite" =
class=3D""><div class=3D""><span style=3D"caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 14px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">On the other hand, it shouldn=E2=80=99t just be me. =
&nbsp;It=E2=80=99d be a very small working group ;-) If others are =
interested, they should speak up.</span><br =
class=3D""></div></blockquote><br class=3D""></div><div>I don=E2=80=99t =
think I would necessarily initiate work, but I suspect if there were a =
MUD WG I would show up for it and review documents. &nbsp;The fact that =
MUD is in OPSAWG has meant that I don=E2=80=99t go because that=E2=80=99s =
not a WG I normally go to, and I didn=E2=80=99t realize that was where =
the MUD work was happening.</div><div><br class=3D""></div></body></html>=

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Subject: Re: [OPSAWG] The future of MUD work
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