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From: Sudharsana Venkataraman <sudharsana@juniper.net>
To: Lou Berger <lberger@labn.net>, Chandrasekar Ramachandran <csekar@juniper.net>, Raveendra Torvi <rtorvi@juniper.net>, Harish Sitaraman <hsitaraman@juniper.net>, Vishnu Pavan Beeram <vbeeram@juniper.net>, "Ina Minei" <inaminei@google.com>, "msiva@cisco.com" <msiva@cisco.com>
CC: TEAS WG <teas@ietf.org>
Thread-Topic: Regarding IPR on draft-sitaraman-sr-rsvp-coexistence-rec
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/ynbcvgPD8ELtiTQGWBd1Eu7G-jU>
Subject: Re: [Teas] Regarding IPR on draft-sitaraman-sr-rsvp-coexistence-rec
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From nobody Mon May  1 10:20:58 2017
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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Mon, 1 May 2017 13:17:55 -0400
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To: "teas@ietf.org" <teas@ietf.org>
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Subject: [Teas] Publication requested for draft-ietf-teas-gmpls-scsi
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WG,

The publication request for this document has been submitted. The
document's state can be verified at
https://datatracker.ietf.org/doc/draft-ietf-teas-gmpls-scsi/

Regards,
-Pavan

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<div dir=3D"ltr"><div>WG,<br><br></div>The <span class=3D"gmail-m_-26386444=
6344137473gmail-m_-3652753396129583106gmail-il"><span class=3D"gmail-m_-263=
864446344137473gmail-il">publication</span></span> <span class=3D"gmail-m_-=
263864446344137473gmail-il">request</span> for this document has been submi=
tted. The document&#39;s state can be verified at <a href=3D"https://datatr=
acker.ietf.org/doc/draft-ietf-teas-gmpls-scsi/">https://datatracker.ietf.or=
g/doc/draft-ietf-teas-gmpls-scsi/</a><br><br>Regards,<br>-Pavan</div>

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From: "Siva Sivabalan (msiva)" <msiva@cisco.com>
To: Lou Berger <lberger@labn.net>, "csekar@juniper.net" <csekar@juniper.net>,  Raveendra Torvi <rtorvi@juniper.net>, "sudharsana@juniper.net" <sudharsana@juniper.net>, "hsitaraman@juniper.net" <hsitaraman@juniper.net>, "vbeeram@juniper.net" <vbeeram@juniper.net>, Ina Minei <inaminei@google.com>
CC: TEAS WG <teas@ietf.org>
Thread-Topic: Regarding IPR on draft-sitaraman-sr-rsvp-coexistence-rec
Thread-Index: AQHSwGyvu5WsrW1v5ECAqCNBQEvP86HgPeug
Date: Tue, 2 May 2017 01:00:16 +0000
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Subject: Re: [Teas] Regarding IPR on draft-sitaraman-sr-rsvp-coexistence-rec
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From nobody Mon May  1 18:09:18 2017
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From: "Zhangxian (Xian)" <zhang.xian@huawei.com>
To: Lou Berger <lberger@labn.net>, Oscar de Dios <ogondio@tid.es>, "Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>, Vishnu Beeram <vbeeram@juniper.net>, Igor Bryskin <Igor.Bryskin@huawei.com>, "jdrake@juniper.net" <jdrake@juniper.net>, "ggrammel@juniper.net" <ggrammel@juniper.net>, "pbrzozowski@advaoptical.com" <pbrzozowski@advaoptical.com>, "zali@cisco.com" <zali@cisco.com>
CC: TEAS WG <teas@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-network-assigned-upstream-label
Thread-Index: AQHSwGt3xLBqC4WO7kOEFDURRNUpLKHgP6hg
Date: Tue, 2 May 2017 01:06:04 +0000
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From: Ina Minei <inaminei@google.com>
Date: Tue, 2 May 2017 02:02:44 -0700
Message-ID: <CAG4Q_asm2YmPiO=+iUkU3BFzHTRVOEA=QS8OL0bWuuYjtkL2bQ@mail.gmail.com>
To: Sudharsana Venkataraman <sudharsana@juniper.net>
Cc: Lou Berger <lberger@labn.net>, Chandrasekar Ramachandran <csekar@juniper.net>,  Raveendra Torvi <rtorvi@juniper.net>, Harish Sitaraman <hsitaraman@juniper.net>, Vishnu Pavan Beeram <vbeeram@juniper.net>, "msiva@cisco.com" <msiva@cisco.com>, TEAS WG <teas@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/0mKkM8zgU7ksx14D4shIRnE98qY>
Subject: Re: [Teas] Regarding IPR on draft-sitaraman-sr-rsvp-coexistence-rec
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"Yes, I'm aware of IPR that applies to this draft"
"Yes, the IPR has been disclosed in compliance with IETF IPR rules=E2=80=9D

https://datatracker.ietf.org/ipr/2827/

Ina

On Mon, May 1, 2017 at 7:37 AM, Sudharsana Venkataraman <
sudharsana@juniper.net> wrote:

> Lou,
>
> "Yes, I'm aware of IPR that applies to this draft"
> "Yes, the IPR has been disclosed in compliance with IETF IPR rules=E2=80=
=9D
>
> https://datatracker.ietf.org/ipr/2827/
>
> Regards,
> Sudha
>
> -----Original Message-----
> From: Lou Berger [mailto:lberger@labn.net]
> Sent: Friday, April 28, 2017 6:13 PM
> To: Chandrasekar Ramachandran <csekar@juniper.net>; Raveendra Torvi <
> rtorvi@juniper.net>; Sudharsana Venkataraman <sudharsana@juniper.net>;
> Harish Sitaraman <hsitaraman@juniper.net>; Vishnu Pavan Beeram <
> vbeeram@juniper.net>; Ina Minei <inaminei@google.com>; msiva@cisco.com
> Cc: TEAS WG <teas@ietf.org>
> Subject: Regarding IPR on draft-sitaraman-sr-rsvp-coexistence-rec
>
> Authors, Contributors, WG,
>
> As part of preparation for WG Adoption
>
> Are you aware of any IPR that applies to drafts identified above?
>
> Please state either:
>
> "No, I'm not aware of any IPR that applies to this draft"
> or
> "Yes, I'm aware of IPR that applies to this draft"
>
> If so, has this IPR been disclosed in compliance with IETF IPR rules (see
> RFCs 3979, 4879, 3669 and 5378 for more details)?
>
> If yes to the above, please state either:
>
> "Yes, the IPR has been disclosed in compliance with IETF IPR rules"
> or
> "No, the IPR has not been disclosed"
>
> If you answer no, please provide any additional details you think
> appropriate.
>
> If you are listed as a document author or contributor please answer the
> above by responding to this email regardless of whether or not you are
> aware of any relevant IPR. This document will not advance to the next sta=
ge
> until a response has been received from each author and listed contributo=
r.
> NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES.
>
> If you are on the WG email list or attend WG meetings but are not listed
> as an author or contributor, we remind you of your obligations under the
> IETF IPR rules which encourages you to notify the IETF if you are aware o=
f
> IPR of others on an IETF contribution, or to refrain from participating i=
n
> any contribution or discussion related to your undisclosed IPR. For more
> information, please see the RFCs listed above and
> http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.
>
> Thank you,
> TEAS WG Chairs
>
> PS Please include all listed in the headers of this message in your
> response.
>
>
>
>

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<div dir=3D"ltr"><span class=3D"gmail-im" style=3D"font-size:12.8px">&quot;=
Yes, I&#39;m aware of IPR that applies to this draft&quot;<br></span><span =
style=3D"font-size:12.8px">&quot;Yes, the IPR has been disclosed in complia=
nce with IETF IPR rules=E2=80=9D</span><br style=3D"font-size:12.8px"><br s=
tyle=3D"font-size:12.8px"><a href=3D"https://datatracker.ietf.org/ipr/2827/=
" rel=3D"noreferrer" target=3D"_blank" style=3D"font-size:12.8px">https://d=
atatracker.ietf.org/<wbr>ipr/2827/</a><div><br></div><div>Ina=C2=A0</div></=
div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Mon, May 1=
, 2017 at 7:37 AM, Sudharsana Venkataraman <span dir=3D"ltr">&lt;<a href=3D=
"mailto:sudharsana@juniper.net" target=3D"_blank">sudharsana@juniper.net</a=
>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Lou,<br>
<span class=3D""><br>
&quot;Yes, I&#39;m aware of IPR that applies to this draft&quot;<br>
</span>&quot;Yes, the IPR has been disclosed in compliance with IETF IPR ru=
les=E2=80=9D<br>
<br>
<a href=3D"https://datatracker.ietf.org/ipr/2827/" rel=3D"noreferrer" targe=
t=3D"_blank">https://datatracker.ietf.org/<wbr>ipr/2827/</a><br>
<br>
Regards,<br>
Sudha<br>
<span class=3D"im HOEnZb"><br>
-----Original Message-----<br>
From: Lou Berger [mailto:<a href=3D"mailto:lberger@labn.net">lberger@labn.n=
et</a>]<br>
</span><span class=3D"im HOEnZb">Sent: Friday, April 28, 2017 6:13 PM<br>
To: Chandrasekar Ramachandran &lt;<a href=3D"mailto:csekar@juniper.net">cse=
kar@juniper.net</a>&gt;; Raveendra Torvi &lt;<a href=3D"mailto:rtorvi@junip=
er.net">rtorvi@juniper.net</a>&gt;; Sudharsana Venkataraman &lt;<a href=3D"=
mailto:sudharsana@juniper.net">sudharsana@juniper.net</a>&gt;; Harish Sitar=
aman &lt;<a href=3D"mailto:hsitaraman@juniper.net">hsitaraman@juniper.net</=
a>&gt;; Vishnu Pavan Beeram &lt;<a href=3D"mailto:vbeeram@juniper.net">vbee=
ram@juniper.net</a>&gt;; Ina Minei &lt;<a href=3D"mailto:inaminei@google.co=
m">inaminei@google.com</a>&gt;; <a href=3D"mailto:msiva@cisco.com">msiva@ci=
sco.com</a><br>
Cc: TEAS WG &lt;<a href=3D"mailto:teas@ietf.org">teas@ietf.org</a>&gt;<br>
Subject: Regarding IPR on draft-sitaraman-sr-rsvp-<wbr>coexistence-rec<br>
<br>
</span><div class=3D"HOEnZb"><div class=3D"h5">Authors, Contributors, WG,<b=
r>
<br>
As part of preparation for WG Adoption<br>
<br>
Are you aware of any IPR that applies to drafts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I&#39;m not aware of any IPR that applies to this draft&quot;<br>
or<br>
&quot;Yes, I&#39;m aware of IPR that applies to this draft&quot;<br>
<br>
If so, has this IPR been disclosed in compliance with IETF IPR rules (see R=
FCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the IPR has been disclosed in compliance with IETF IPR rules&quo=
t;<br>
or<br>
&quot;No, the IPR has not been disclosed&quot;<br>
<br>
If you answer no, please provide any additional details you think appropria=
te.<br>
<br>
If you are listed as a document author or contributor please answer the abo=
ve by responding to this email regardless of whether or not you are aware o=
f any relevant IPR. This document will not advance to the next stage until =
a response has been received from each author and listed contributor. NOTE:=
 THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE&#39;S TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed as=
 an author or contributor, we remind you of your obligations under the IETF=
 IPR rules which encourages you to notify the IETF if you are aware of IPR =
of others on an IETF contribution, or to refrain from participating in any =
contribution or discussion related to your undisclosed IPR. For more inform=
ation, please see the RFCs listed above and <a href=3D"http://trac.tools.ie=
tf.org/group/iesg/trac/wiki/IntellectualProperty" rel=3D"noreferrer" target=
=3D"_blank">http://trac.tools.ietf.org/<wbr>group/iesg/trac/wiki/<wbr>Intel=
lectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your respons=
e.<br>
<br>
<br>
<br>
</div></div></blockquote></div><br></div>

--001a1149c5f29c1a1d054e86cdbb--


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From: Dhruv Dhody <dhruv.ietf@gmail.com>
Date: Tue, 2 May 2017 16:50:22 +0530
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To: Vishnu Pavan Beeram <vishnupavan@gmail.com>
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Subject: Re: [Teas] WG adoption poll - draft-gandhishah-teas-assoc-corouted-bidir
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Yes/Support.

Regards,
Dhruv

On Thu, Apr 27, 2017 at 8:17 AM, Vishnu Pavan Beeram <vishnupavan@gmail.com>
wrote:

> All,
>
> This is start of a two week poll on making
> draft-gandhishah-teas-assoc-corouted-bidir-04 a TEAS working group
> document.
> Please send email to the list indicating "yes/support" or "no/do not
> support". If indicating no, please state your reservations with the
> document. If yes, please also feel free to provide comments you'd
> like to see addressed once the document is a WG document.
>
> Note: an IPR disclosure has been made on this document, see
> https://datatracker.ietf.org/ipr/2781/
>
> The poll ends May 10th.
>
> Thanks,
> Pavan and Lou
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:trebuche=
t ms,sans-serif;color:#0c343d">Yes/Support.=C2=A0</div><div class=3D"gmail_=
default" style=3D"font-family:trebuchet ms,sans-serif;color:#0c343d"><br></=
div><div class=3D"gmail_default" style=3D"font-family:trebuchet ms,sans-ser=
if;color:#0c343d">Regards,</div><div class=3D"gmail_default" style=3D"font-=
family:trebuchet ms,sans-serif;color:#0c343d">Dhruv</div></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On Thu, Apr 27, 2017 at 8:1=
7 AM, Vishnu Pavan Beeram <span dir=3D"ltr">&lt;<a href=3D"mailto:vishnupav=
an@gmail.com" target=3D"_blank">vishnupavan@gmail.com</a>&gt;</span> wrote:=
<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">All,<br>
<br>
This is start of a two week <span class=3D"m_1470378280300268381gmail-m_665=
1965171312383315gmail-m_-4970325699456606657gmail-m_5924377258605667843gmai=
l-il">poll</span> on making <br>draft-gandhishah-teas-assoc-<wbr>corouted-b=
idir-04 a TEAS working group document. <br>Please send email to the list in=
dicating &quot;yes/support&quot; or &quot;no/do not<br>
support&quot;. If indicating no, please state your reservations with the<br=
>
document. If yes, please also feel free to provide comments you&#39;d<br>
like to see addressed once the document is a WG document.<br>
<br>Note: an IPR disclosure has been made on this document, see<br><a href=
=3D"https://datatracker.ietf.org/ipr/2781/" target=3D"_blank">https://datat=
racker.ietf.org/<wbr>ipr/2781/</a><br><br>
The <span class=3D"m_1470378280300268381gmail-m_6651965171312383315gmail-m_=
-4970325699456606657gmail-m_5924377258605667843gmail-il">poll</span> ends M=
ay 10th.<br>
<br>
Thanks,<br>
Pavan and Lou</div>
<br>______________________________<wbr>_________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><br>
<br></blockquote></div><br></div>

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From: Xufeng Liu <Xufeng_Liu@jabil.com>
To: Vishnu Pavan Beeram <vbeeram@juniper.net>, Igor Bryskin <Igor.Bryskin@huawei.com>, Oscar Gonzalez De Dios <oscar.gonzalezdedios@telefonica.com>, Tarek Saad <tsaad@cisco.com>, "Himanshu Shah" <hshah@ciena.com>, Lou Berger <lberger@labn.net>, "BRUNGARD, DEBORAH A (ATTLABS)" <db3546@att.com>, Susan Hares <shares@ndzh.com>, "Zafar Ali (zali)" <zali@cisco.com>, "Khaddam, Mazen (CCI-Atlanta)" <Mazen.Khaddam@cox.com>, "BELOTTI, SERGIO (SERGIO)" <sergio.belotti@alcatel-lucent.com>, "Beller, Dieter (Dieter)" <dieter.beller@alcatel-lucent.com>, Rajan Rao <rrao@infinera.com>, "Zhangxian (Xian)" <zhang.xian@huawei.com>, "xufeng.liu.ietf@gmail.com" <xufeng.liu.ietf@gmail.com>, "Belotti, Sergio (Nokia - IT)" <sergio.belotti@nokia.com>, Anurag Sharma <AnSharma@infinera.com>, Italo Busi <Italo.Busi@huawei.com>
CC: "teas@ietf.org" <teas@ietf.org>
Thread-Topic: IETF TE Topology YANG Model Design Meeting Notes - 2017-04-26
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Attendees:
Xufeng, Igor, Carlo, Dieter, Italo, Sergio

- TE topology model draft
  > We think that topology model is ready for last call. Will ask the chair=
s.

- Tutorial/Manual
  > Briefly discussed the use cases to proceed.
  > Igor to provide tree snippets to show.
  > Xufeng to provide JSON data examples for the use cases.
  > Italo mentioned that north bound interface DT will also use JSON
    examples and will share experiences.
  > Sergio to provide comments to discuss.

Thanks,

- Xufeng

Note: Please drop me an email if you need an invite for joining the weekly =
call.

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<p class=3D"MsoNormal">Attendees:<o:p></o:p></p>
<p class=3D"MsoNormal">Xufeng, Igor, Carlo, Dieter, Italo, Sergio<o:p></o:p=
></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- TE topology model draft<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; We think that topology model is ready fo=
r last call. Will ask the chairs.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Tutorial/Manual<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Briefly discussed the use cases to proce=
ed.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Igor to provide tree snippets to show.<o=
:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Xufeng to provide JSON data examples for=
 the use cases.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Italo mentioned that north bound interfa=
ce DT will also use JSON<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; examples and will share experienc=
es.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Sergio to provide comments to discuss.<o=
:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Xufeng<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Note: Please drop me an email if you need an invite =
for joining the weekly call.<o:p></o:p></p>
</div>
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Thread-Topic: [ALU] RE: IETF TE Topology YANG Model Design Meeting Notes - 2017-04-26
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/btIULyEEC-LJa_U5eeP4cwDVIG0>
Subject: Re: [Teas] [ALU] RE: IETF TE Topology YANG Model Design Meeting Notes - 2017-04-26
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Hi Xufeng, all
I'm sorry, but I will not be able to attend our call today .

Have a good meeting

Thanks
Sergio



From: Xufeng Liu [mailto:Xufeng_Liu@jabil.com]
Sent: Wednesday, May 03, 2017 1:30 AM
To: Vishnu Pavan Beeram <vbeeram@juniper.net>; Igor Bryskin <Igor.Bryskin@h=
uawei.com>; Oscar Gonzalez De Dios <oscar.gonzalezdedios@telefonica.com>; T=
arek Saad <tsaad@cisco.com>; Himanshu Shah <hshah@ciena.com>; Lou Berger <l=
berger@labn.net>; BRUNGARD, DEBORAH A (ATTLABS) <db3546@att.com>; Susan Har=
es <shares@ndzh.com>; Zafar Ali (zali) <zali@cisco.com>; Khaddam, Mazen (CC=
I-Atlanta) <Mazen.Khaddam@cox.com>; Belotti, Sergio (Nokia - IT/Vimercate) =
<sergio.belotti@nokia.com>; Beller, Dieter (Nokia - DE/Stuttgart) <dieter.b=
eller@nokia.com>; Rajan Rao <rrao@infinera.com>; Zhangxian (Xian) <zhang.xi=
an@huawei.com>; xufeng.liu.ietf@gmail.com; Belotti, Sergio (Nokia - IT/Vime=
rcate) <sergio.belotti@nokia.com>; Anurag Sharma <AnSharma@infinera.com>; I=
talo Busi <Italo.Busi@huawei.com>
Cc: teas@ietf.org
Subject: [ALU] RE: IETF TE Topology YANG Model Design Meeting Notes - 2017-=
04-26

Attendees:
Xufeng, Igor, Carlo, Dieter, Italo, Sergio

- TE topology model draft
  > We think that topology model is ready for last call. Will ask the chair=
s.

- Tutorial/Manual
  > Briefly discussed the use cases to proceed.
  > Igor to provide tree snippets to show.
  > Xufeng to provide JSON data examples for the use cases.
  > Italo mentioned that north bound interface DT will also use JSON
    examples and will share experiences.
  > Sergio to provide comments to discuss.

Thanks,

- Xufeng

Note: Please drop me an email if you need an invite for joining the weekly =
call.

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<p class=3D"MsoNormal">Hi Xufeng, all<o:p></o:p></p>
<p class=3D"MsoNormal">I&#8217;m sorry, but I will not be able to attend ou=
r call today .<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Have a good meeting<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks<o:p></o:p></p>
<p class=3D"MsoNormal">Sergio<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></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> Xufeng Liu [mailto:Xufeng_Liu@jabil.com=
] <br>
<b>Sent:</b> Wednesday, May 03, 2017 1:30 AM<br>
<b>To:</b> Vishnu Pavan Beeram &lt;vbeeram@juniper.net&gt;; Igor Bryskin &l=
t;Igor.Bryskin@huawei.com&gt;; Oscar Gonzalez De Dios &lt;oscar.gonzalezded=
ios@telefonica.com&gt;; Tarek Saad &lt;tsaad@cisco.com&gt;; Himanshu Shah &=
lt;hshah@ciena.com&gt;; Lou Berger &lt;lberger@labn.net&gt;; BRUNGARD,
 DEBORAH A (ATTLABS) &lt;db3546@att.com&gt;; Susan Hares &lt;shares@ndzh.co=
m&gt;; Zafar Ali (zali) &lt;zali@cisco.com&gt;; Khaddam, Mazen (CCI-Atlanta=
) &lt;Mazen.Khaddam@cox.com&gt;; Belotti, Sergio (Nokia - IT/Vimercate) &lt=
;sergio.belotti@nokia.com&gt;; Beller, Dieter (Nokia - DE/Stuttgart)
 &lt;dieter.beller@nokia.com&gt;; Rajan Rao &lt;rrao@infinera.com&gt;; Zhan=
gxian (Xian) &lt;zhang.xian@huawei.com&gt;; xufeng.liu.ietf@gmail.com; Belo=
tti, Sergio (Nokia - IT/Vimercate) &lt;sergio.belotti@nokia.com&gt;; Anurag=
 Sharma &lt;AnSharma@infinera.com&gt;; Italo Busi &lt;Italo.Busi@huawei.com=
&gt;<br>
<b>Cc:</b> teas@ietf.org<br>
<b>Subject:</b> [ALU] RE: IETF TE Topology YANG Model Design Meeting Notes =
- 2017-04-26<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Attendees:<o:p></o:p></p>
<p class=3D"MsoNormal">Xufeng, Igor, Carlo, Dieter, Italo, Sergio<o:p></o:p=
></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- TE topology model draft<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; We think that topology model is ready fo=
r last call. Will ask the chairs.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Tutorial/Manual<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Briefly discussed the use cases to proce=
ed.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Igor to provide tree snippets to show.<o=
:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Xufeng to provide JSON data examples for=
 the use cases.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Italo mentioned that north bound interfa=
ce DT will also use JSON<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; examples and will share experienc=
es.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Sergio to provide comments to discuss.<o=
:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Xufeng<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Note: Please drop me an email if you need an invite =
for joining the weekly call.<o:p></o:p></p>
</div>
</body>
</html>

--_000_DB3PR07MB058875825D24D030AB2485CA91160DB3PR07MB0588eurp_--


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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 Traffic Engineering Architecture and Signaling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05


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 Fri May  5 11:40:49 2017
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Hi,

This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:

- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)
- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.
- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)=20
- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01=20
- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)

In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.=20

The following diff pointer will help you see the changes with this revision=
:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20

The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.=20

Thanks & Best regards,
Young & Daniele (on behalf of other co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 05, 2017 10:41 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


From nobody Fri May  5 13:45:37 2017
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From: Xufeng Liu <Xufeng_Liu@jabil.com>
To: Vishnu Pavan Beeram <vbeeram@juniper.net>, Igor Bryskin <Igor.Bryskin@huawei.com>, Oscar Gonzalez De Dios <oscar.gonzalezdedios@telefonica.com>, Tarek Saad <tsaad@cisco.com>, "Himanshu Shah" <hshah@ciena.com>, Lou Berger <lberger@labn.net>, "BRUNGARD, DEBORAH A (ATTLABS)" <db3546@att.com>, Susan Hares <shares@ndzh.com>, "Zafar Ali (zali)" <zali@cisco.com>, "Khaddam, Mazen (CCI-Atlanta)" <Mazen.Khaddam@cox.com>, "BELOTTI, SERGIO (SERGIO)" <sergio.belotti@alcatel-lucent.com>, "Beller, Dieter (Dieter)" <dieter.beller@alcatel-lucent.com>, Rajan Rao <rrao@infinera.com>, "Zhangxian (Xian)" <zhang.xian@huawei.com>, "xufeng.liu.ietf@gmail.com" <xufeng.liu.ietf@gmail.com>, "Belotti, Sergio (Nokia - IT)" <sergio.belotti@nokia.com>, Anurag Sharma <AnSharma@infinera.com>, Italo Busi <Italo.Busi@huawei.com>
CC: "teas@ietf.org" <teas@ietf.org>
Thread-Topic: IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
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Subject: Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
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Attendees:
Xufeng, Igor, Carlo, Dieter, Tarek

- TE topology model draft
  > Discussed NMDA update
  > Authors prefer to proceed with the current model to last call
  > If NMDA guidelines do not slow down the process, we can do some adjustm=
ents

- Tutorial/Manual
  > Igor provided tree snippets in Section 1.
  > Xufeng is working on JSON data for Use Case 1.
    o Cover OTN abstract nodes and links.
    o Some underlay OCh data will be put into appendix as reference.
  > Sergio to provide comments to discuss.

Thanks,

- Xufeng

Note: Please drop me an email if you need an invite for joining the weekly =
call.

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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Attendees:<o:p></o:p></p>
<p class=3D"MsoNormal">Xufeng, Igor, Carlo, Dieter, Tarek<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- TE topology model draft<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Discussed NMDA update<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Authors prefer to proceed with the curre=
nt model to last call<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; If NMDA guidelines do not slow down the =
process, we can do some adjustments<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Tutorial/Manual<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Igor provided tree snippets in Section 1=
.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Xufeng is working on JSON data for Use C=
ase 1.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; o Cover OTN abstract nodes and li=
nks.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; o Some underlay OCh data will be =
put into appendix as reference.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Sergio to provide comments to discuss.<o=
:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Xufeng<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Note: Please drop me an email if you need an invite =
for joining the weekly call.<o:p></o:p></p>
</div>
</body>
</html>

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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Sun, 7 May 2017 11:29:58 -0400
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Subject: Re: [Teas] WG Last Call on draft-ietf-teas-rsvp-ingress-protection-09
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--001a11437c4a9e876c054ef0cb75
Content-Type: text/plain; charset=UTF-8

This WG LC is closed.

The document shepherd will work with the authors and get the document ready
for publication.

Regards,
-Pavan

On Mon, Apr 17, 2017 at 11:42 PM, Vishnu Pavan Beeram <vishnupavan@gmail.com
> wrote:

> All,
> This starts a two week working group last call on
> draft-ietf-teas-rsvp-ingress-protection-09.
>
> The working group last call ends on Monday, May 1st. Please
> send your comments to the TEAS mailing list.
>
> As is always the case, positive comments, e.g., "I've reviewed this
> document and believe it is ready for publication", are welcome!
> This is useful and important, even from authors.
>
> Note, IPR has been disclosed on this draft.
>
> Thanks,
> Pavan and Lou
>

--001a11437c4a9e876c054ef0cb75
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div><div><div>This WG LC is closed.<br><br></div>The docu=
ment shepherd will work with the authors and get the document ready for pub=
lication.<br><br></div>Regards,<br></div>-Pavan<br></div><div class=3D"gmai=
l_extra"><br><div class=3D"gmail_quote">On Mon, Apr 17, 2017 at 11:42 PM, V=
ishnu Pavan Beeram <span dir=3D"ltr">&lt;<a href=3D"mailto:vishnupavan@gmai=
l.com" target=3D"_blank">vishnupavan@gmail.com</a>&gt;</span> wrote:<br><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"l=
tr"><div>All,<br>
This starts a two week working group <span>last</span> <span>call</span> on=
<br>
<span class=3D"m_-1506089324157281152gmail-m_6348093003541813748gmail-il">d=
raft-ietf-teas-rsvp-ingress-<wbr>protection-09</span>.<br>
<br>
The working group <span>last</span> <span>call</span> ends on Monday<span><=
span>, May 1st</span></span>. Please<br>
send your comments to the <span class=3D"m_-1506089324157281152gmail-m_6348=
093003541813748gmail-il">TEAS</span> mailing list.<br>
<br>
As is always the case, positive comments, e.g., &quot;I&#39;ve reviewed thi=
s<br>
document and believe it is ready for publication&quot;, are welcome!<br>
This is useful and important, even from authors.<br><br></div>Note, IPR has=
 been disclosed on this <span class=3D"m_-1506089324157281152gmail-m_634809=
3003541813748gmail-il">draft</span>.<br>
<br>
Thanks,<br>
<span>Pavan and Lou</span></div></div></div>
</blockquote></div><br></div>

--001a11437c4a9e876c054ef0cb75--


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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Sun, 7 May 2017 11:30:35 -0400
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Subject: Re: [Teas] WG Last Call on draft-ietf-teas-rsvp-egress-protection-07
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--f403045ddae8d05d62054ef0cd40
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This WG LC is closed.

The document shepherd will work with the authors and get the document ready
for publication.

Regards,
-Pavan

On Mon, Apr 17, 2017 at 11:44 PM, Vishnu Pavan Beeram <vishnupavan@gmail.com
> wrote:

> All,
> This starts a two week working group last call on
> draft-ietf-teas-rsvp-egress-protection-07.
>
> The working group last call ends on Monday, May 1st. Please
> send your comments to the TEAS mailing list.
>
> As is always the case, positive comments, e.g., "I've reviewed this
> document and believe it is ready for publication", are welcome!
> This is useful and important, even from authors.
>
> Note, IPR has been disclosed on this draft.
>
> Thanks,
> Pavan and Lou
>

--f403045ddae8d05d62054ef0cd40
Content-Type: text/html; charset=UTF-8
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<div dir=3D"ltr"><div><div><div>This WG LC is closed.<br><br></div>The docu=
ment shepherd will work with the authors and get the document ready for pub=
lication.<br><br></div>Regards,<br></div>-Pavan</div><div class=3D"gmail_ex=
tra"><br><div class=3D"gmail_quote">On Mon, Apr 17, 2017 at 11:44 PM, Vishn=
u Pavan Beeram <span dir=3D"ltr">&lt;<a href=3D"mailto:vishnupavan@gmail.co=
m" target=3D"_blank">vishnupavan@gmail.com</a>&gt;</span> wrote:<br><blockq=
uote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc =
solid;padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr">=
<div dir=3D"ltr"><div>All,<br>
This starts a two week working group <span>last</span> <span>call</span> on=
<br>
<span class=3D"m_-5148620692814984456gmail-m_-8246526176241934706gmail-m_63=
48093003541813748gmail-il">draft-ietf-teas-rsvp-egress-<wbr>protection-07</=
span>.<br>
<br>
The working group <span>last</span> <span>call</span> ends on Monday<span><=
span>, May 1st</span></span>. Please<br>
send your comments to the <span class=3D"m_-5148620692814984456gmail-m_-824=
6526176241934706gmail-m_6348093003541813748gmail-il">TEAS</span> mailing li=
st.<br>
<br>
As is always the case, positive comments, e.g., &quot;I&#39;ve reviewed thi=
s<br>
document and believe it is ready for publication&quot;, are welcome!<br>
This is useful and important, even from authors.<br><br></div>Note, IPR has=
 been disclosed on this <span class=3D"m_-5148620692814984456gmail-m_-82465=
26176241934706gmail-m_6348093003541813748gmail-il">draft</span>.<br>
<br>
Thanks,<br>
<span>Pavan and Lou</span></div></div></div></div>
</blockquote></div><br></div>

--f403045ddae8d05d62054ef0cd40--


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From: Lou Berger <lberger@labn.net>
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Subject: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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All,

This is start of a two week poll on making
draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document. Please
send email to the list indicating "yes/support" or "no/do not
support".  If indicating no, please state your reservations with the
document.  If yes, please also feel free to provide comments you'd
like to see addressed once the document is a WG document.

The poll ends May 22.

NOTE: IPR has been disclosed - https://datatracker.ietf.org/ipr/2827/

Thanks,

Lou


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From: Harish Sitaraman <hsitaraman@juniper.net>
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Subject: Re: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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From nobody Mon May  8 10:12:21 2017
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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Mon, 8 May 2017 13:12:16 -0400
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To: Lou Berger <lberger@labn.net>
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Subject: Re: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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Yes/Support.

Regards,
- Pavan (as an author)

On Mon, May 8, 2017 at 12:58 PM, Lou Berger <lberger@labn.net> wrote:

> All,
>
> This is start of a two week poll on making
> draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document.
> Please
> send email to the list indicating "yes/support" or "no/do not
> support".  If indicating no, please state your reservations with the
> document.  If yes, please also feel free to provide comments you'd
> like to see addressed once the document is a WG document.
>
> The poll ends May 22.
>
> NOTE: IPR has been disclosed - https://datatracker.ietf.org/ipr/2827/
>
> Thanks,
>
> Lou
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>

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<div dir=3D"ltr"><div><div>Yes/Support.<br><br></div>Regards,<br></div>- Pa=
van (as an author)<br></div><div class=3D"gmail_extra"><br><div class=3D"gm=
ail_quote">On Mon, May 8, 2017 at 12:58 PM, Lou Berger <span dir=3D"ltr">&l=
t;<a href=3D"mailto:lberger@labn.net" target=3D"_blank">lberger@labn.net</a=
>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">All,<br>
<br>
This is start of a two week poll on making<br>
draft-sitaraman-sr-rsvp-<wbr>coexistence-rec-02 a working group document. P=
lease<br>
send email to the list indicating &quot;yes/support&quot; or &quot;no/do no=
t<br>
support&quot;.=C2=A0 If indicating no, please state your reservations with =
the<br>
document.=C2=A0 If yes, please also feel free to provide comments you&#39;d=
<br>
like to see addressed once the document is a WG document.<br>
<br>
The poll ends May 22.<br>
<br>
NOTE: IPR has been disclosed - <a href=3D"https://datatracker.ietf.org/ipr/=
2827/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/<w=
br>ipr/2827/</a><br>
<br>
Thanks,<br>
<br>
Lou<br>
<br>
______________________________<wbr>_________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><br>
</blockquote></div><br></div>

--94eb2c1914465553b9054f0657d1--


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From: Chandrasekar Ramachandran <csekar@juniper.net>
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Thread-Topic: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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Subject: Re: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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Yes/support (as a contributor).

Chandra.

> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Lou Berger
> Sent: Monday, May 08, 2017 10:28 PM
> To: TEAS WG <teas@ietf.org>
> Cc: TEAS WG Chairs <teas-chairs@ietf.org>
> Subject: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-=
02
>=20
> All,
>=20
> This is start of a two week poll on making
> draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document. Plea=
se
> send email to the list indicating "yes/support" or "no/do not
> support".  If indicating no, please state your reservations with the
> document.  If yes, please also feel free to provide comments you'd
> like to see addressed once the document is a WG document.
>=20
> The poll ends May 22.
>=20
> NOTE: IPR has been disclosed - https://datatracker.ietf.org/ipr/2827/
>=20
> Thanks,
>=20
> Lou
>=20
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas


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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">Hi Xufeng,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto;mso-line-height-alt:0pt">
<span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D">Thanks for th=
e minutes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto;mso-line-height-alt:0pt">
<span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D">Do you mean =
=A1=B0 the current model=A1=B1 is =A1=B0draft-ietf-teas-yang-te-topo-08=A1=
=B1 (that has not been updated after IETF 98) or 09 version to be uploaded?
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- TE topology model draft<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; Discussed NMDA upda=
te<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; Authors prefer to p=
roceed with the current model to last call<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph;text-indent:5.5pt">
<span lang=3D"EN-US">&gt; If NMDA guidelines do not slow down the process, =
we can do some adjustments</span><span lang=3D"EN-US" style=3D"font-size:10=
.5pt;color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D">Thanks<=
o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D"><o:p>&n=
bsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"text-align:justify;text-justify:inter-ideog=
raph"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color:#1F497D">Fatai<o=
:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;color=
:#1F497D"><o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:=CB=
=CE=CC=E5">=B7=A2=BC=FE=C8=CB<span lang=3D"EN-US">:</span></span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:=CB=CE=CC=E5"> Teas [m=
ailto:teas-bounces@ietf.org]
</span><b><span style=3D"font-size:10.0pt;font-family:=CB=CE=CC=E5">=B4=FA=
=B1=ED </span></b><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-famil=
y:=CB=CE=CC=E5">Xufeng Liu<br>
</span><b><span style=3D"font-size:10.0pt;font-family:=CB=CE=CC=E5">=B7=A2=
=CB=CD=CA=B1=BC=E4<span lang=3D"EN-US">:</span></span></b><span lang=3D"EN-=
US" style=3D"font-size:10.0pt;font-family:=CB=CE=CC=E5"> 2017</span><span s=
tyle=3D"font-size:10.0pt;font-family:=CB=CE=CC=E5">=C4=EA<span lang=3D"EN-U=
S">5</span>=D4=C2<span lang=3D"EN-US">6</span>=C8=D5<span lang=3D"EN-US">
 4:45<br>
</span><b>=CA=D5=BC=FE=C8=CB<span lang=3D"EN-US">:</span></b><span lang=3D"=
EN-US"> Vishnu Pavan Beeram; Igor Bryskin; Oscar Gonzalez De Dios; Tarek Sa=
ad; Himanshu Shah; Lou Berger; BRUNGARD, DEBORAH A (ATTLABS); Susan Hares; =
Zafar Ali (zali); Khaddam, Mazen (CCI-Atlanta); BELOTTI,
 SERGIO (SERGIO); Beller, Dieter (Dieter); Rajan Rao; Zhangxian (Xian); xuf=
eng.liu.ietf@gmail.com; Belotti, Sergio (Nokia - IT); Anurag Sharma; Italo =
Busi<br>
</span><b>=B3=AD=CB=CD<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"=
> teas@ietf.org<br>
</span><b>=D6=F7=CC=E2<span lang=3D"EN-US">:</span></b><span lang=3D"EN-US"=
> Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03<=
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">Attendees:<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Xufeng, Igor, Carlo, Dieter, Ta=
rek<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">- TE topology model draft<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; Discussed NMDA upda=
te<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; Authors prefer to p=
roceed with the current model to last call<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; If NMDA guidelines =
do not slow down the process, we can do some adjustments<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">- Tutorial/Manual<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; Igor provided tree =
snippets in Section 1.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; Xufeng is working o=
n JSON data for Use Case 1.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; o Cover OTN =
abstract nodes and links.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp; o Some under=
lay OCh data will be put into appendix as reference.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp; &gt; Sergio to provide c=
omments to discuss.<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"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">- Xufeng<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">Note: Please drop me an email i=
f you need an invite for joining the weekly call.<o:p></o:p></span></p>
</div>
</body>
</html>

--_000_F82A4B6D50F9464B8EBA55651F541CF8AB50E0DDDGGEML501MBSchi_--


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To: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>, Vishnu Pavan Beeram <vishnupavan@gmail.com>, "teas@ietf.org" <teas@ietf.org>
CC: TEAS WG Chairs <teas-chairs@ietf.org>, "Shah, Himanshu" <hshah@ciena.com>
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From: steve ulrich <sulrich@botwerks.org>
Date: Tue, 9 May 2017 11:06:06 -0500
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Subject: Re: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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support.

On Mon, May 8, 2017 at 11:58 AM, Lou Berger <lberger@labn.net> wrote:

> All,
>
> This is start of a two week poll on making
> draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document.
> Please
> send email to the list indicating "yes/support" or "no/do not
> support".  If indicating no, please state your reservations with the
> document.  If yes, please also feel free to provide comments you'd
> like to see addressed once the document is a WG document.
>
> The poll ends May 22.
>
> NOTE: IPR has been disclosed - https://datatracker.ietf.org/ipr/2827/
>
> Thanks,
>
> Lou
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>



-- 
steve ulrich (sulrich@botwerks.*)

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif">support.</div><div class=3D"gmail_extra"><br><div class=3D"gmai=
l_quote">On Mon, May 8, 2017 at 11:58 AM, Lou Berger <span dir=3D"ltr">&lt;=
<a href=3D"mailto:lberger@labn.net" target=3D"_blank">lberger@labn.net</a>&=
gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex">All,<br>
<br>
This is start of a two week poll on making<br>
draft-sitaraman-sr-rsvp-<wbr>coexistence-rec-02 a working group document. P=
lease<br>
send email to the list indicating &quot;yes/support&quot; or &quot;no/do no=
t<br>
support&quot;.=C2=A0 If indicating no, please state your reservations with =
the<br>
document.=C2=A0 If yes, please also feel free to provide comments you&#39;d=
<br>
like to see addressed once the document is a WG document.<br>
<br>
The poll ends May 22.<br>
<br>
NOTE: IPR has been disclosed - <a href=3D"https://datatracker.ietf.org/ipr/=
2827/" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/<w=
br>ipr/2827/</a><br>
<br>
Thanks,<br>
<br>
Lou<br>
<br>
______________________________<wbr>_________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature" data-smartmail=3D"gmail_signature">steve ulrich (sulri=
ch@botwerks.*)</div>
</div></div>

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From: Gert Grammel <ggrammel@juniper.net>
To: Lou Berger <lberger@labn.net>, TEAS WG <teas@ietf.org>
CC: TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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Subject: Re: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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Support

Gert

Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: Teas <teas-bounces@ietf.org> on behalf of Lou Berger <lberger@labn.ne=
t>
Sent: Monday, May 8, 2017 6:58:13 PM
To: TEAS WG
Cc: TEAS WG Chairs
Subject: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02

All,

This is start of a two week poll on making
draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document. Please
send email to the list indicating "yes/support" or "no/do not
support".  If indicating no, please state your reservations with the
document.  If yes, please also feel free to provide comments you'd
like to see addressed once the document is a WG document.

The poll ends May 22.

NOTE: IPR has been disclosed - https://datatracker.ietf.org/ipr/2827/

Thanks,

Lou

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

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color=3D"#000000" style=3D"font-size:11pt"><b>From:</b> Teas &lt;teas-bounc=
es@ietf.org&gt; on behalf of Lou Berger &lt;lberger@labn.net&gt;<br>
<b>Sent:</b> Monday, May 8, 2017 6:58:13 PM<br>
<b>To:</b> TEAS WG<br>
<b>Cc:</b> TEAS WG Chairs<br>
<b>Subject:</b> [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence=
-rec-02</font>
<div>&nbsp;</div>
</div>
</div>
<font size=3D"2"><span style=3D"font-size:10pt;">
<div class=3D"PlainText">All,<br>
<br>
This is start of a two week poll on making<br>
draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document. Please=
<br>
send email to the list indicating &quot;yes/support&quot; or &quot;no/do no=
t<br>
support&quot;.&nbsp; If indicating no, please state your reservations with =
the<br>
document.&nbsp; If yes, please also feel free to provide comments you'd<br>
like to see addressed once the document is a WG document.<br>
<br>
The poll ends May 22.<br>
<br>
NOTE: IPR has been disclosed - <a href=3D"https://datatracker.ietf.org/ipr/=
2827/">https://datatracker.ietf.org/ipr/2827/</a><br>
<br>
Thanks,<br>
<br>
Lou<br>
<br>
_______________________________________________<br>
Teas mailing list<br>
Teas@ietf.org<br>
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Subject: Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
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From: Fatai Zhang <zhangfatai@huawei.com>
To: Xufeng Liu <Xufeng_Liu@jabil.com>, Vishnu Pavan Beeram <vbeeram@juniper.net>, Igor Bryskin <Igor.Bryskin@huawei.com>, "Oscar Gonzalez De Dios" <oscar.gonzalezdedios@telefonica.com>, Tarek Saad <tsaad@cisco.com>, Himanshu Shah <hshah@ciena.com>, Lou Berger <lberger@labn.net>, "BRUNGARD, DEBORAH A (ATTLABS)" <db3546@att.com>, "Susan Hares" <shares@ndzh.com>, "Zafar Ali (zali)" <zali@cisco.com>, "Khaddam, Mazen (CCI-Atlanta)" <Mazen.Khaddam@cox.com>, "BELOTTI, SERGIO (SERGIO)" <sergio.belotti@alcatel-lucent.com>, "Beller, Dieter (Dieter)" <dieter.beller@alcatel-lucent.com>, Rajan Rao <rrao@infinera.com>, "Zhangxian (Xian)" <zhang.xian@huawei.com>, "xufeng.liu.ietf@gmail.com" <xufeng.liu.ietf@gmail.com>, "Belotti, Sergio (Nokia - IT)" <sergio.belotti@nokia.com>, Anurag Sharma <AnSharma@infinera.com>, Italo Busi <Italo.Busi@huawei.com>
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Thread-Topic: IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
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To: Xufeng Liu <Xufeng_Liu@jabil.com>
References: <BN3PR0201MB08679CF45F5B5CCA8AC39710F1EB0@BN3PR0201MB0867.namprd02.prod.outlook.com> <F82A4B6D50F9464B8EBA55651F541CF8AB50E0DD@DGGEML501-MBS.china.huawei.com> <CY1PR0201MB087516E709E86779E77EC5FDF1EC0@CY1PR0201MB0875.namprd02.prod.outlook.com>
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From: Lou Berger <lberger@labn.net>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/0D-AJmZEx8Z5cL18QK56ojfL6zM>
Subject: Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
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Xufeng/Authors,

    Thanks for the update and proactively looking at this.  Did you also
discuss the 'refactored' NMDA compatible version put together (see
https://github.com/rgwilton/ietf-models-to-combined)? What were your
thoughts?

Thanks,

Lou


On 5/10/2017 9:26 AM, Xufeng Liu wrote:
>
> Hi Fatai,
>
>  
>
> This discussion is under the context of NMDA
> (https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-01).  The
> â€œcurrent modelâ€ means the model structure that we are using now
> without re-structuring to the NMDA style. We may include the NMDA
> style during the last call process if doing so would not slow down the
> process.
>
>  
>
> Weâ€™d like to process with the last call with
> â€œdraft-ietf-teas-yang-te-topo-08â€. We understand that there will be
> changes during the process and 09 will come at that time.
>
>  
>
> Thanks,
>
> - Xufeng
>
>  
>
> *From:* Fatai Zhang [mailto:zhangfatai@huawei.com]
> *Sent:* Tuesday, May 9, 2017 2:35 AM
> *To:* Xufeng Liu <Xufeng_Liu@jabil.com>; Vishnu Pavan Beeram
> <vbeeram@juniper.net>; Igor Bryskin <Igor.Bryskin@huawei.com>; Oscar
> Gonzalez De Dios <oscar.gonzalezdedios@telefonica.com>; Tarek Saad
> <tsaad@cisco.com>; Himanshu Shah <hshah@ciena.com>; Lou Berger
> <lberger@labn.net>; BRUNGARD, DEBORAH A (ATTLABS) <db3546@att.com>;
> Susan Hares <shares@ndzh.com>; Zafar Ali (zali) <zali@cisco.com>;
> Khaddam, Mazen (CCI-Atlanta) <Mazen.Khaddam@cox.com>; BELOTTI, SERGIO
> (SERGIO) <sergio.belotti@alcatel-lucent.com>; Beller, Dieter (Dieter)
> <dieter.beller@alcatel-lucent.com>; Rajan Rao <rrao@infinera.com>;
> Zhangxian (Xian) <zhang.xian@huawei.com>; xufeng.liu.ietf@gmail.com;
> Belotti, Sergio (Nokia - IT) <sergio.belotti@nokia.com>; Anurag Sharma
> <AnSharma@infinera.com>; Italo Busi <Italo.Busi@huawei.com>
> *Cc:* teas@ietf.org
> *Subject:* ç­”å¤: IETF TE Topology YANG Model Design Meeting Notes -
> 2017-05-03
>
>  
>
> Hi Xufeng,
>
> Thanks for the minutes.
>
> Do you mean â€œ the current modelâ€ is â€œdraft-ietf-teas-yang-te-topo-08â€
> (that has not been updated after IETF 98) or 09 version to be uploaded?
>
> ===============================================================================================================
>
> - TE topology model draft
>
>   > Discussed NMDA update
>
>   > Authors prefer to proceed with the current model to last call
>
> > If NMDA guidelines do not slow down the process, we can do some
> adjustments
>
>  
>
>  
>
>  
>
> Thanks
>
>  
>
> Fatai
>
>  
>
> *å‘ä»¶äºº**:*Teas [mailto:teas-bounces@ietf.org] *ä»£è¡¨ *Xufeng Liu
> *å‘é€æ—¶é—´:* 2017å¹´5æœˆ6æ—¥ 4:45
> *æ”¶ä»¶äºº:* Vishnu Pavan Beeram; Igor Bryskin; Oscar Gonzalez De Dios;
> Tarek Saad; Himanshu Shah; Lou Berger; BRUNGARD, DEBORAH A (ATTLABS);
> Susan Hares; Zafar Ali (zali); Khaddam, Mazen (CCI-Atlanta); BELOTTI,
> SERGIO (SERGIO); Beller, Dieter (Dieter); Rajan Rao; Zhangxian (Xian);
> xufeng.liu.ietf@gmail.com <mailto:xufeng.liu.ietf@gmail.com>; Belotti,
> Sergio (Nokia - IT); Anurag Sharma; Italo Busi
> *æŠ„é€:* teas@ietf.org <mailto:teas@ietf.org>
> *ä¸»é¢˜:* Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes -
> 2017-05-03
>
>  
>
> Attendees:
>
> Xufeng, Igor, Carlo, Dieter, Tarek
>
>  
>
> - TE topology model draft
>
>   > Discussed NMDA update
>
>   > Authors prefer to proceed with the current model to last call
>
>   > If NMDA guidelines do not slow down the process, we can do some
> adjustments
>
>  
>
> - Tutorial/Manual
>
>   > Igor provided tree snippets in Section 1.
>
>   > Xufeng is working on JSON data for Use Case 1.
>
>     o Cover OTN abstract nodes and links.
>
>     o Some underlay OCh data will be put into appendix as reference.
>
>   > Sergio to provide comments to discuss.
>
>  
>
> Thanks,
>
>  
>
> - Xufeng
>
>  
>
> Note: Please drop me an email if you need an invite for joining the
> weekly call.
>
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas


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    <p>Xufeng/Authors,</p>
    <p>Â Â Â  Thanks for the update and proactively looking at this.Â  Did
      you also discuss the 'refactored' NMDA compatible version put
      together (see
      <a class="moz-txt-link-freetext" href="https://github.com/rgwilton/ietf-models-to-combined">https://github.com/rgwilton/ietf-models-to-combined</a>)? What were
      your thoughts?</p>
    <p>Thanks,</p>
    <p>Lou<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 5/10/2017 9:26 AM, Xufeng Liu wrote:<br>
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      <div class="WordSection1">
        <p class="MsoNormal">Hi Fatai,<o:p></o:p></p>
        <p class="MsoNormal"><o:p>Â </o:p></p>
        <p class="MsoNormal">This discussion is under the context of
          NMDA (<a moz-do-not-send="true"
            href="https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-01">https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-01</a>).
          Â The â€œcurrent modelâ€ means the model structure that we are
          using now without re-structuring to the NMDA style. We may
          include the NMDA style during the last call process if doing
          so would not slow down the process.<o:p></o:p></p>
        <p class="MsoNormal"><o:p>Â </o:p></p>
        <p class="MsoNormal">Weâ€™d like to process with the last call
          with â€œ<span style="font-size:10.5pt;color:#1F497D">draft-ietf-teas-yang-te-topo-08</span>â€.
          We understand that there will be changes during the process
          and 09 will come at that time.<o:p></o:p></p>
        <p class="MsoNormal"><o:p>Â </o:p></p>
        <p class="MsoNormal">Thanks,<o:p></o:p></p>
        <p class="MsoNormal">- Xufeng<o:p></o:p></p>
        <p class="MsoNormal"><o:p>Â </o:p></p>
        <div style="border:none;border-left:solid blue 1.5pt;padding:0in
          0in 0in 4.0pt">
          <div>
            <div style="border:none;border-top:solid #E1E1E1
              1.0pt;padding:3.0pt 0in 0in 0in">
              <p class="MsoNormal"><b>From:</b> Fatai Zhang
                [<a class="moz-txt-link-freetext" href="mailto:zhangfatai@huawei.com">mailto:zhangfatai@huawei.com</a>] <br>
                <b>Sent:</b> Tuesday, May 9, 2017 2:35 AM<br>
                <b>To:</b> Xufeng Liu <a class="moz-txt-link-rfc2396E" href="mailto:Xufeng_Liu@jabil.com">&lt;Xufeng_Liu@jabil.com&gt;</a>;
                Vishnu Pavan Beeram <a class="moz-txt-link-rfc2396E" href="mailto:vbeeram@juniper.net">&lt;vbeeram@juniper.net&gt;</a>; Igor
                Bryskin <a class="moz-txt-link-rfc2396E" href="mailto:Igor.Bryskin@huawei.com">&lt;Igor.Bryskin@huawei.com&gt;</a>; Oscar Gonzalez
                De Dios <a class="moz-txt-link-rfc2396E" href="mailto:oscar.gonzalezdedios@telefonica.com">&lt;oscar.gonzalezdedios@telefonica.com&gt;</a>;
                Tarek Saad <a class="moz-txt-link-rfc2396E" href="mailto:tsaad@cisco.com">&lt;tsaad@cisco.com&gt;</a>; Himanshu Shah
                <a class="moz-txt-link-rfc2396E" href="mailto:hshah@ciena.com">&lt;hshah@ciena.com&gt;</a>; Lou Berger
                <a class="moz-txt-link-rfc2396E" href="mailto:lberger@labn.net">&lt;lberger@labn.net&gt;</a>; BRUNGARD, DEBORAH A (ATTLABS)
                <a class="moz-txt-link-rfc2396E" href="mailto:db3546@att.com">&lt;db3546@att.com&gt;</a>; Susan Hares
                <a class="moz-txt-link-rfc2396E" href="mailto:shares@ndzh.com">&lt;shares@ndzh.com&gt;</a>; Zafar Ali (zali)
                <a class="moz-txt-link-rfc2396E" href="mailto:zali@cisco.com">&lt;zali@cisco.com&gt;</a>; Khaddam, Mazen (CCI-Atlanta)
                <a class="moz-txt-link-rfc2396E" href="mailto:Mazen.Khaddam@cox.com">&lt;Mazen.Khaddam@cox.com&gt;</a>; BELOTTI, SERGIO (SERGIO)
                <a class="moz-txt-link-rfc2396E" href="mailto:sergio.belotti@alcatel-lucent.com">&lt;sergio.belotti@alcatel-lucent.com&gt;</a>; Beller,
                Dieter (Dieter)
                <a class="moz-txt-link-rfc2396E" href="mailto:dieter.beller@alcatel-lucent.com">&lt;dieter.beller@alcatel-lucent.com&gt;</a>; Rajan Rao
                <a class="moz-txt-link-rfc2396E" href="mailto:rrao@infinera.com">&lt;rrao@infinera.com&gt;</a>; Zhangxian (Xian)
                <a class="moz-txt-link-rfc2396E" href="mailto:zhang.xian@huawei.com">&lt;zhang.xian@huawei.com&gt;</a>;
                <a class="moz-txt-link-abbreviated" href="mailto:xufeng.liu.ietf@gmail.com">xufeng.liu.ietf@gmail.com</a>; Belotti, Sergio (Nokia - IT)
                <a class="moz-txt-link-rfc2396E" href="mailto:sergio.belotti@nokia.com">&lt;sergio.belotti@nokia.com&gt;</a>; Anurag Sharma
                <a class="moz-txt-link-rfc2396E" href="mailto:AnSharma@infinera.com">&lt;AnSharma@infinera.com&gt;</a>; Italo Busi
                <a class="moz-txt-link-rfc2396E" href="mailto:Italo.Busi@huawei.com">&lt;Italo.Busi@huawei.com&gt;</a><br>
                <b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:teas@ietf.org">teas@ietf.org</a><br>
                <b>Subject:</b> <span style="font-family:SimSun"
                  lang="ZH-CN">ç­”å¤</span>: IETF TE Topology YANG Model
                Design Meeting Notes - 2017-05-03<o:p></o:p></p>
            </div>
          </div>
          <p class="MsoNormal"><o:p>Â </o:p></p>
          <p class="MsoNormal"><span
              style="font-size:10.5pt;color:#1F497D">Hi Xufeng,<o:p></o:p></span></p>
          <p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-line-height-alt:0pt"><span
              style="font-size:10.5pt;color:#1F497D">Thanks for the
              minutes. <o:p></o:p></span></p>
          <p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-line-height-alt:0pt"><span
              style="font-size:10.5pt;color:#1F497D">Do you mean â€œ the
              current modelâ€ is â€œdraft-ietf-teas-yang-te-topo-08â€ (that
              has not been updated after IETF 98) or 09 version to be
              uploaded?
              <o:p></o:p></span></p>
          <p class="MsoNormal"><span
              style="font-size:10.5pt;color:#1F497D">===============================================================================================================<o:p></o:p></span></p>
          <div>
            <p class="MsoNormal">- TE topology model draft<o:p></o:p></p>
            <p class="MsoNormal">Â  &gt; Discussed NMDA update<o:p></o:p></p>
            <p class="MsoNormal">Â  &gt; Authors prefer to proceed with
              the current model to last call<o:p></o:p></p>
            <p class="MsoNormal"
style="text-align:justify;text-justify:inter-ideograph;text-indent:5.5pt">&gt;
              If NMDA guidelines do not slow down the process, we can do
              some adjustments<span
                style="font-size:10.5pt;color:#1F497D"><o:p></o:p></span></p>
            <p class="MsoNormal"
              style="text-align:justify;text-justify:inter-ideograph"><span
                style="font-size:10.5pt;color:#1F497D"><o:p>Â </o:p></span></p>
            <p class="MsoNormal"
              style="text-align:justify;text-justify:inter-ideograph"><span
                style="font-size:10.5pt;color:#1F497D"><o:p>Â </o:p></span></p>
            <p class="MsoNormal"
              style="text-align:justify;text-justify:inter-ideograph"><span
                style="font-size:10.5pt;color:#1F497D"><o:p>Â </o:p></span></p>
            <p class="MsoNormal"
              style="text-align:justify;text-justify:inter-ideograph"><span
                style="font-size:10.5pt;color:#1F497D">Thanks<o:p></o:p></span></p>
            <p class="MsoNormal"
              style="text-align:justify;text-justify:inter-ideograph"><span
                style="font-size:10.5pt;color:#1F497D"><o:p>Â </o:p></span></p>
            <p class="MsoNormal"
              style="text-align:justify;text-justify:inter-ideograph"><span
                style="font-size:10.5pt;color:#1F497D">Fatai<o:p></o:p></span></p>
          </div>
          <p class="MsoNormal"><span
              style="font-size:10.5pt;color:#1F497D"><o:p>Â </o:p></span></p>
          <div>
            <div style="border:none;border-top:solid #B5C4DF
              1.0pt;padding:3.0pt 0in 0in 0in">
              <p class="MsoNormal"><b><span
                    style="font-size:10.0pt;font-family:SimSun"
                    lang="ZH-CN">å‘ä»¶äºº</span></b><b><span
                    style="font-size:10.0pt;font-family:SimSun">:</span></b><span
                  style="font-size:10.0pt;font-family:SimSun"> Teas [<a
                    moz-do-not-send="true"
                    href="mailto:teas-bounces@ietf.org">mailto:teas-bounces@ietf.org</a>]
                  <b><span lang="ZH-CN">ä»£è¡¨ </span></b>Xufeng Liu<br>
                  <b><span lang="ZH-CN">å‘é€æ—¶é—´</span>:</b> 2017<span
                    lang="ZH-CN">å¹´</span>5<span lang="ZH-CN">æœˆ</span>6<span
                    lang="ZH-CN">æ—¥</span> 4:45<br>
                  <b><span lang="ZH-CN">æ”¶ä»¶äºº</span>:</b> Vishnu Pavan
                  Beeram; Igor Bryskin; Oscar Gonzalez De Dios; Tarek
                  Saad; Himanshu Shah; Lou Berger; BRUNGARD, DEBORAH A
                  (ATTLABS); Susan Hares; Zafar Ali (zali); Khaddam,
                  Mazen (CCI-Atlanta); BELOTTI, SERGIO (SERGIO); Beller,
                  Dieter (Dieter); Rajan Rao; Zhangxian (Xian); <a
                    moz-do-not-send="true"
                    href="mailto:xufeng.liu.ietf@gmail.com">
                    xufeng.liu.ietf@gmail.com</a>; Belotti, Sergio
                  (Nokia - IT); Anurag Sharma; Italo Busi<br>
                  <b><span lang="ZH-CN">æŠ„é€</span>:</b> <a
                    moz-do-not-send="true" href="mailto:teas@ietf.org">teas@ietf.org</a><br>
                  <b><span lang="ZH-CN">ä¸»é¢˜</span>:</b> Re: [Teas] IETF
                  TE Topology YANG Model Design Meeting Notes -
                  2017-05-03<o:p></o:p></span></p>
            </div>
          </div>
          <p class="MsoNormal"><o:p>Â </o:p></p>
          <p class="MsoNormal">Attendees:<o:p></o:p></p>
          <p class="MsoNormal">Xufeng, Igor, Carlo, Dieter, Tarek<o:p></o:p></p>
          <p class="MsoNormal"><o:p>Â </o:p></p>
          <p class="MsoNormal">- TE topology model draft<o:p></o:p></p>
          <p class="MsoNormal">Â  &gt; Discussed NMDA update<o:p></o:p></p>
          <p class="MsoNormal">Â  &gt; Authors prefer to proceed with the
            current model to last call<o:p></o:p></p>
          <p class="MsoNormal">Â  &gt; If NMDA guidelines do not slow
            down the process, we can do some adjustments<o:p></o:p></p>
          <p class="MsoNormal"><o:p>Â </o:p></p>
          <p class="MsoNormal">- Tutorial/Manual<o:p></o:p></p>
          <p class="MsoNormal">Â  &gt; Igor provided tree snippets in
            Section 1.<o:p></o:p></p>
          <p class="MsoNormal">Â  &gt; Xufeng is working on JSON data for
            Use Case 1.<o:p></o:p></p>
          <p class="MsoNormal">Â Â Â  o Cover OTN abstract nodes and links.<o:p></o:p></p>
          <p class="MsoNormal">Â Â Â  o Some underlay OCh data will be put
            into appendix as reference.<o:p></o:p></p>
          <p class="MsoNormal">Â  &gt; Sergio to provide comments to
            discuss.<o:p></o:p></p>
          <p class="MsoNormal"><o:p>Â </o:p></p>
          <p class="MsoNormal">Thanks,<o:p></o:p></p>
          <p class="MsoNormal"><o:p>Â </o:p></p>
          <p class="MsoNormal">- Xufeng<o:p></o:p></p>
          <p class="MsoNormal"><o:p>Â </o:p></p>
          <p class="MsoNormal">Note: Please drop me an email if you need
            an invite for joining the weekly call.<o:p></o:p></p>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Teas mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Teas@ietf.org">Teas@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/teas">https://www.ietf.org/mailman/listinfo/teas</a>
</pre>
    </blockquote>
    <br>
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Yes/Support.



-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Lou Berger
Sent: Monday, May 8, 2017 12:58 PM
To: TEAS WG <teas@ietf.org>
Cc: TEAS WG Chairs <teas-chairs@ietf.org>
Subject: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02

All,

This is start of a two week poll on making
draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document. Please=
 send email to the list indicating "yes/support" or "no/do not support".  I=
f indicating no, please state your reservations with the document.  If yes,=
 please also feel free to provide comments you'd like to see addressed once=
 the document is a WG document.

The poll ends May 22.

NOTE: IPR has been disclosed - https://datatracker.ietf.org/ipr/2827/

Thanks,

Lou

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


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Subject: [Teas] RtgDir review: draft-ietf-teas-gmpls-scsi-02
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Hello,

I have been selected as the Routing Directorate reviewer for this draft. The=
 Routing Directorate seeks to review all routing or routing-related drafts a=
s they pass through IETF last call and IESG review, and sometimes on special=
 request. The purpose of the review is to provide assistance to the Routing A=
Ds. For more information about the Routing Directorate, please see =E2=80=8B=
http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir

Although these comments are primarily for the use of the Routing ADs, it wou=
ld be helpful if you could consider them along with any other IETF Last Call=
 comments that you receive, and strive to resolve them through discussion or=
 by updating the draft.

Document: draft-ietf-teas-gmpls-scsi-02

Reviewer: Thomas Clausen

Review Date: 17/05/11
IETF LC End Date: Unknown
Intended Status: Proposed Standard

Summary:=20

I have significant concerns about this document and recommend that the Routi=
ng ADs discuss these issues further with the authors.
Comments:

The document is short, to the point of honestly being entirely unreadable fo=
r a non-expert in the very narrow domain of gmpls.=20
This is frankly not helped by the document employing what I can only assume t=
o be a clever pun (SCSI ... ) which initially made me go look at the STORM w=
g and RFC3720 (iSCSI). Unless there's a really good reason, could the WG not=
 chose a non-intentionally-misleading acronym?
Another illustration of this is, that the document uses terminology that I a=
ssume has a very specific interpretation (to those, actually experts in the v=
ery narrow domain of gmpls) - but which is incomprehensible outside. For exa=
mple, the document talks (already from the Abstract) about "any specific tec=
hnology", and in general "technology" - I can think of many things that fall=
s under that term (in general) but which I doubt have anything to do with wh=
at this document is about.=20
 So I went to read the introduction, hoping to understand what this document=
 was about. As far as I can gather, it has to do with defining a TLV format,=
 for use by GMPLS extensions for OSPF and IS-IS. Reading through the introdu=
ction, and (quickly) skimming through RFC4202, 4203 and 5307 didn't help a g=
reat deal in my understanding of what the purpose of these TLVs are (nor, fo=
r that matter, what "technology" is supposed to mean).
It is not clear to me that the document does not violate "rules" in the prot=
ocol that it is setting out to extend. See below.
I also feel that there are several places where the document is too vague.
Major Issues:

Fundamentally, the document needs an introduction written for engineers who h=
ave not been part in the development of the document: what is this? Why is i=
t needed? How does it fit into the architecture. I must admit that I have ne=
ver before felt so lost as to what a document was trying to accomplish, afte=
r having actually read the document, twice.
The document also needs, I suspect, a terminology section that contains more=
 than 2119-language -- for example, what's meant by "Technology" ...=20
I went to read the Shepherd write-up (so, they serve an actual purpose), whi=
ch indicates that this document was the result of a GEN-ART review of some o=
ther document through the WG. I would assume that a synthesis of that review=
, plus the resulting WG discussion, would make for excellent fodder for an i=
ntroduction here.
Section 3 specifies a Type field, stating "the lower range is used ..." and "=
...while the higher range is reserved .." -- I see nowhere a definition of "=
lower range" or "higher range", not in this section, nor in the IANA section=
.
What does "formatted according to the value of the Type field" in the ultima=
te bullet of section 3 mean? Essentially, that "the interpretation and forma=
t of the Type field MUST be specified when making the IANA registration" (or=
 something of the sort), which must to be included as advice to the Designat=
ed Expert
Section 4 calls out a set of rules for inclusion of the defined TLVs - speci=
fically calling for preservation of ordering both when processing and when r=
e-originating. Is this enabled or prohibited by the protocols into which the=
se TLVs are to be inserted? If explicitly enabled, I would appreciate specif=
ic pointers to where this is enabled? -- if this is not explicitly enabled, m=
ay there be potential interoperability problems here? For having in a differ=
ent space written TLV-based protocols, and seen (locally highly optimized) p=
arsers/processors/forwarders implementing different ordering priorities, thi=
s merits clarification.
The IANA section tells IANA to create "either XXX, or YYY" (2nd paragraph) -=
- but which is it? I doubt that it is IANA's role to make this arbitration. T=
he WG should make a clear recommendation.
Minor Issues:

Section 4 calls out "Sub-TLV parsing (format) errors, such as an underrun or=
 overrun, MUST be treated as a malformed ISCD".  This seems either overreach=
ing or underachieving: are we strictly talking about "there's not the promis=
ed amount of octets in the value field" (overrun/underrun)? In which case, p=
erhaps state just that. However the "Sub-TLV parsing" indicates that also an=
 error in parsing of the Value field should be treated the same way? Could y=
ou clarify this.=20
I would be surprised, but leave to the SEC-DIR/SEC-AD, if the security consi=
derations section is strong enough. The first half of the security considera=
tions states "This document does not introduce any security issues beyond th=
ose discussed in ...." -- but then goes on, saying "Tampering with .... may h=
ave an effect...mechanisms such as ... are suggested". While I am by no mean=
s a security expert, it would seem that yes, indeed, this document does intr=
oduce new security issues -- for which I would expect a MTI security mechani=
sm (Or, a convincing explanation as to why these already are covered).
Nits:

The errata to RFC2119 is not reflected in the terminology section (missing "=
NOT RECOMMENDED")
The abstract has an "modify an existing technology specific formats" - which=
, presumably, should be "modify any existing..." or "...specific format" ?
2nd paragraph of the introduction, any good reason why the HTML version does=
n't have a hyperlink to RFC7138 (XML snafu, I gather)?

--
Thomas Heide Clausen  =E2=80=A2  @thclausen  	=E2=80=A2 	thomasclaus=
en.org=20
www.arkko.com/tools/allstats/thomasheideclausen.html

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div><p><span style=3D"background-color: rg=
ba(255, 255, 255, 0);">Hello,</span></p><p><span style=3D"background-color: r=
gba(255, 255, 255, 0);">I have been selected as the Routing Directorate revi=
ewer for this draft. The Routing Directorate seeks to review all routing or r=
outing-related drafts as they pass through IETF last call and IESG review, a=
nd sometimes on special request. The purpose of the review is to provide ass=
istance to the Routing ADs. For more information about the Routing Directora=
te, please see&nbsp;<a class=3D"ext-link" href=3D"http://trac.tools.ietf.org=
/area/rtg/trac/wiki/RtgDir" style=3D"text-decoration: none; border-bottom-wi=
dth: 1px; border-bottom-style: dotted; border-bottom-color: rgb(187, 187, 18=
7);"><span class=3D"icon" style=3D"background-image: url(https://trac.ietf.o=
rg/trac/rtg/chrome/common/extlink.gif); padding-left: 15px; background-posit=
ion: left center; background-repeat: no-repeat no-repeat;">=E2=80=8B</span>h=
ttp://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir</a></span></p><p><span s=
tyle=3D"background-color: rgba(255, 255, 255, 0);">Although these comments a=
re primarily for the use of the Routing ADs, it would be helpful if you coul=
d consider them along with any other IETF Last Call comments that you receiv=
e, and strive to resolve them through discussion or by updating the draft.</=
span></p><p><span style=3D"background-color: rgba(255, 255, 255, 0);"><b>Doc=
ument:</b>&nbsp;</span><span style=3D"font-size: 12pt; font-family: Helvetic=
a;">draft-ietf-teas-gmpls-scsi-02</span></p><p><span style=3D"background-col=
or: rgba(255, 255, 255, 0);"><b>Reviewer:</b> Thomas Clausen</span></p><p><s=
pan style=3D"background-color: rgba(255, 255, 255, 0);"><b>Review Date:</b> 1=
7/05/11<br><b>IETF LC End Date:</b> Unknown<br><b>Intended Status:</b> Propo=
sed Standard</span></p><p><span style=3D"background-color: rgba(255, 255, 25=
5, 0);"><strong>Summary:</strong>&nbsp;<br></span></p><ul><li><span style=3D=
"background-color: rgba(255, 255, 255, 0);">I have significant concerns abou=
t this document and recommend that the Routing ADs discuss these issues furt=
her with the authors.</span></li></ul><p><strong style=3D"background-color: r=
gba(255, 255, 255, 0);">Comments:</strong></p><ul><li><span style=3D"backgro=
und-color: rgba(255, 255, 255, 0);">The document is short, to the point of h=
onestly being entirely unreadable for a non-expert in the very narrow domain=
 of gmpls.&nbsp;</span></li><li><span style=3D"background-color: rgba(255, 2=
55, 255, 0);">This is frankly not helped by the document employing what I ca=
n only assume to be a clever pun (SCSI ... ) which initially made me go look=
 at the STORM wg and RFC3720 (iSCSI). Unless there's a really good reason, c=
ould the WG not chose a non-intentionally-misleading acronym?</span></li><li=
><span style=3D"background-color: rgba(255, 255, 255, 0);">Another illustrat=
ion of this is, that the document uses terminology that I assume has a very s=
pecific interpretation (to those, actually experts in the very narrow domain=
 of gmpls) - but which is incomprehensible outside. For example, the documen=
t talks (already from the Abstract) about "any specific technology", and in g=
eneral "technology" - I can think of many things that falls under that term (=
in general) but which I doubt have anything to do with what this document is=
 about.&nbsp;</span></li><li><span style=3D"background-color: rgba(255, 255,=
 255, 0);">&nbsp;So I went to read the introduction, hoping to understand wh=
at this document was about. As far as I can gather, it has to do with defini=
ng a TLV format, for use by GMPLS extensions for OSPF and IS-IS. Reading thr=
ough the introduction, and (quickly) skimming through RFC4202, 4203 and 5307=
 didn't help a great deal in my understanding of what the purpose of these T=
LVs are (nor, for that matter, what "technology" is supposed to mean).</span=
></li><li><span style=3D"background-color: rgba(255, 255, 255, 0);">It is no=
t clear to me that the document does not violate "rules" in the protocol tha=
t it is setting out to extend. See below.</span></li><li><span style=3D"back=
ground-color: rgba(255, 255, 255, 0);">I also feel that there are several pl=
aces where the document is too vague.</span></li></ul><p><strong style=3D"ba=
ckground-color: rgba(255, 255, 255, 0);">Major Issues:</strong></p><ul><li><=
span style=3D"background-color: rgba(255, 255, 255, 0);">Fundamentally, the d=
ocument needs an introduction written for engineers who have not been part i=
n the development of the document: what is this? Why is it needed? How does i=
t fit into the architecture. I must admit that I have never before felt so l=
ost as to what a document was trying to accomplish, after having actually re=
ad the document, twice.</span></li><li><span style=3D"background-color: rgba=
(255, 255, 255, 0);">The document also needs, I suspect, a terminology secti=
on that contains more than 2119-language -- for example, what's meant by "Te=
chnology" ...&nbsp;</span></li><li><span style=3D"background-color: rgba(255=
, 255, 255, 0);">I went to read the Shepherd write-up (so, they serve an act=
ual purpose), which indicates that this document was the result of a GEN-ART=
 review of some other document through the WG. I would assume that a synthes=
is of that review, plus the resulting WG discussion, would make for excellen=
t fodder for an introduction here.</span></li><li><span style=3D"background-=
color: rgba(255, 255, 255, 0);">Section 3 specifies a Type field, stating "t=
he lower range is used ..." and "...while the higher range is reserved .." -=
- I see nowhere a definition of "lower range" or "higher range", not in this=
 section, nor in the IANA section.</span></li><li><span style=3D"background-=
color: rgba(255, 255, 255, 0);">What does "formatted according to the value o=
f the Type field" in the ultimate bullet of section 3 mean? Essentially, tha=
t "the interpretation and format of the Type field MUST be specified when ma=
king the IANA registration" (or something of the sort), which must to be inc=
luded as advice to the Designated Expert</span></li><li><span style=3D"backg=
round-color: rgba(255, 255, 255, 0);">Section 4 calls out a set of rules for=
 inclusion of the defined TLVs - specifically calling for preservation of or=
dering both when processing and when re-originating. Is this enabled or proh=
ibited by the protocols into which these TLVs are to be inserted? If explici=
tly enabled, I would appreciate specific pointers to where this is enabled? -=
- if this is not explicitly enabled, may there be potential interoperability=
 problems here? For having in a different space written TLV-based protocols,=
 and seen&nbsp;(locally highly optimized)&nbsp;parsers/processors/forwarders=
 implementing different ordering priorities, this merits clarification.</spa=
n></li><li><span style=3D"background-color: rgba(255, 255, 255, 0);">The IAN=
A section tells IANA to create "either XXX, or YYY" (2nd paragraph) -- but w=
hich is it? I doubt that it is IANA's role to make this arbitration. The WG s=
hould make a clear recommendation.</span></li></ul><p><strong style=3D"backg=
round-color: rgba(255, 255, 255, 0);">Minor Issues:</strong></p><ul><li><spa=
n style=3D"background-color: rgba(255, 255, 255, 0);">Section 4 calls out "S=
ub-TLV parsing (format) errors, such as an underrun or overrun, MUST be trea=
ted as a malformed ISCD". &nbsp;This seems either overreaching or underachie=
ving: are we strictly talking about "there's not the promised amount of octe=
ts in the value field" (overrun/underrun)? In which case, perhaps state just=
 that. However the "Sub-TLV parsing" indicates that also an error in parsing=
 of the Value field should be treated the same way? Could you clarify this.&=
nbsp;</span></li><li><span style=3D"background-color: rgba(255, 255, 255, 0)=
;">I would be surprised, but leave to the SEC-DIR/SEC-AD, if the security co=
nsiderations section is strong enough. The first half of the security consid=
erations states "This document does not introduce any security issues beyond=
 those discussed in ...." -- but then goes on, saying "Tampering with .... m=
ay have an effect...mechanisms such as ... are suggested". While I am by no m=
eans a security expert, it would seem that yes, indeed, this document does i=
ntroduce new security issues -- for which I would expect a MTI security mech=
anism (Or, a convincing explanation as to why these already are covered).</s=
pan></li></ul><p><strong style=3D"background-color: rgba(255, 255, 255, 0);"=
>Nits:</strong></p><ul><li><span style=3D"background-color: rgba(255, 255, 2=
55, 0);">The errata to RFC2119 is not reflected in the terminology section (=
missing "NOT RECOMMENDED")</span></li><li><span style=3D"background-color: r=
gba(255, 255, 255, 0);">The abstract has an "modify an existing technology s=
pecific formats" - which, presumably, should be "modify any existing..." or "=
...specific format" ?</span></li><li><span style=3D"background-color: rgba(2=
55, 255, 255, 0);">2nd paragraph of the introduction, any good reason why th=
e HTML version doesn't have a hyperlink to RFC7138 (XML snafu, I gather)?</s=
pan></li></ul><br><div><span style=3D"font-family: UICTFontTextStyleTallBody=
; -webkit-text-size-adjust: auto;">--</span><div class=3D"" style=3D"font-fa=
mily: UICTFontTextStyleTallBody; -webkit-text-size-adjust: auto;"><strong cl=
ass=3D""><a href=3D"mailto:Thomas.Clausen@polytechnique.edu" class=3D"" styl=
e=3D"border: none; text-decoration: none; color: rgb(4, 156, 219);">Thomas H=
eide Clausen&nbsp;</a>&nbsp;<span class=3D"" style=3D"color: rgb(224, 224, 2=
24);">=E2=80=A2</span>&nbsp;&nbsp;<a href=3D"http://twitter.com/thclausen" c=
lass=3D"" style=3D"margin: 0px; padding: 0px; border: none; text-decoration:=
 none; color: rgb(176, 176, 176);">@thclausen&nbsp;</a>&nbsp;	<span class=
=3D"" style=3D"color: rgb(224, 224, 224);">=E2=80=A2</span>&nbsp;	<a h=
ref=3D"http://www.thomasclausen.org/" class=3D"" style=3D"margin: 0px; paddi=
ng: 0px; border: none; text-decoration: none; color: rgb(176, 176, 176);">th=
omasclausen.org&nbsp;</a><br class=3D""><a href=3D"http://www.arkko.com/tool=
s/allstats/thomasheideclausen.html" class=3D"" style=3D"margin: 0px; padding=
: 0px; border: none; text-decoration: none; color: rgb(176, 176, 176);">www.=
arkko.com/tools/allstats/thomasheideclausen.html</a></strong></div><strong c=
lass=3D"" style=3D"font-family: UICTFontTextStyleTallBody; -webkit-text-size=
-adjust: auto;"></strong></div></div></body></html>=

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From: Xufeng Liu <Xufeng_Liu@jabil.com>
To: Lou Berger <lberger@labn.net>
CC: TEAS WG <teas@ietf.org>, Robert Wilton <rwilton@cisco.com>
Thread-Topic: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
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From: Lou Berger <lberger@labn.net>
To: Xufeng Liu <Xufeng_Liu@jabil.com>
CC: Robert Wilton <rwilton@cisco.com>, TEAS WG <teas@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/TqHKmoOxKf1FN6PdOjZBvda3qVM>
Subject: Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
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Thanks Xufeng. Keep in mind that the non-nmda modules will still be in a 
Standards Track RFC,  just in an appendix.  I suspect those that would be 
discouraged by a non-PS document will miss the subtly of the implications 
of being in an appendix...

Lou


On May 11, 2017 10:41:03 PM Xufeng Liu <Xufeng_Liu@jabil.com> wrote:

> Will bring this up again to discuss. People may accept putting them 
> together during the process if doing so will not slow down the process. 
> Putting the current model as non-normative may discourage the current 
> implementers.
>
> Thanks,
> - Xufeng
>
> From: Lou Berger [mailto:lberger@labn.net]
> Sent: Thursday, May 11, 2017 8:22 AM
> To: Xufeng Liu <Xufeng_Liu@jabil.com>
> Cc: TEAS WG <teas@ietf.org>; Robert Wilton <rwilton@cisco.com>
> Subject: Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 
> 2017-05-03
>
>
> Xufeng/Authors,
>
>     Thanks for the update and proactively looking at this.  Did you also 
>     discuss the 'refactored' NMDA compatible version put together (see 
>     https://github.com/rgwilton/ietf-models-to-combined)? What were your thoughts?
>
> Thanks,
>
> Lou
>
> On 5/10/2017 9:26 AM, Xufeng Liu wrote:
> Hi Fatai,
>
> This discussion is under the context of NMDA 
> (https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-01).  The â€œcurrent 
> modelâ€ means the model structure that we are using now without 
> re-structuring to the NMDA style. We may include the NMDA style during the 
> last call process if doing so would not slow down the process.
>
> Weâ€™d like to process with the last call with 
> â€œdraft-ietf-teas-yang-te-topo-08â€. We understand that there will be changes 
> during the process and 09 will come at that time.
>
> Thanks,
> - Xufeng
>
> From: Fatai Zhang [mailto:zhangfatai@huawei.com]
> Sent: Tuesday, May 9, 2017 2:35 AM
> To: Xufeng Liu <Xufeng_Liu@jabil.com><mailto:Xufeng_Liu@jabil.com>; Vishnu 
> Pavan Beeram <vbeeram@juniper.net><mailto:vbeeram@juniper.net>; Igor 
> Bryskin <Igor.Bryskin@huawei.com><mailto:Igor.Bryskin@huawei.com>; Oscar 
> Gonzalez De Dios 
> <oscar.gonzalezdedios@telefonica.com><mailto:oscar.gonzalezdedios@telefonica.com>; 
> Tarek Saad <tsaad@cisco.com><mailto:tsaad@cisco.com>; Himanshu Shah 
> <hshah@ciena.com><mailto:hshah@ciena.com>; Lou Berger 
> <lberger@labn.net><mailto:lberger@labn.net>; BRUNGARD, DEBORAH A (ATTLABS) 
> <db3546@att.com><mailto:db3546@att.com>; Susan Hares 
> <shares@ndzh.com><mailto:shares@ndzh.com>; Zafar Ali (zali) 
> <zali@cisco.com><mailto:zali@cisco.com>; Khaddam, Mazen (CCI-Atlanta) 
> <Mazen.Khaddam@cox.com><mailto:Mazen.Khaddam@cox.com>; BELOTTI, SERGIO 
> (SERGIO) 
> <sergio.belotti@alcatel-lucent.com><mailto:sergio.belotti@alcatel-lucent.com>; 
> Beller, Dieter (Dieter) 
> <dieter.beller@alcatel-lucent.com><mailto:dieter.beller@alcatel-lucent.com>; 
> Rajan Rao <rrao@infinera.com><mailto:rrao@infinera.com>; Zhangxian (Xian) 
> <zhang.xian@huawei.com><mailto:zhang.xian@huawei.com>; 
> xufeng.liu.ietf@gmail.com<mailto:xufeng.liu.ietf@gmail.com>; Belotti, 
> Sergio (Nokia - IT) 
> <sergio.belotti@nokia.com><mailto:sergio.belotti@nokia.com>; Anurag Sharma 
> <AnSharma@infinera.com><mailto:AnSharma@infinera.com>; Italo Busi 
> <Italo.Busi@huawei.com><mailto:Italo.Busi@huawei.com>
> Cc: teas@ietf.org<mailto:teas@ietf.org>
> Subject: ç­”å¤: IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
>
> Hi Xufeng,
> Thanks for the minutes.
> Do you mean â€œ the current modelâ€ is â€œdraft-ietf-teas-yang-te-topo-08â€ (that 
> has not been updated after IETF 98) or 09 version to be uploaded?
> ===============================================================================================================
> - TE topology model draft
>   > Discussed NMDA update
>   > Authors prefer to proceed with the current model to last call
>> If NMDA guidelines do not slow down the process, we can do some adjustments
>
>
>
> Thanks
>
> Fatai
>
> å‘ä»¶äºº: Teas [mailto:teas-bounces@ietf.org] ä»£è¡¨ Xufeng Liu
> å‘é€æ—¶é—´: 2017å¹´5æœˆ6æ—¥ 4:45
> æ”¶ä»¶äºº: Vishnu Pavan Beeram; Igor Bryskin; Oscar Gonzalez De Dios; Tarek Saad; 
> Himanshu Shah; Lou Berger; BRUNGARD, DEBORAH A (ATTLABS); Susan Hares; 
> Zafar Ali (zali); Khaddam, Mazen (CCI-Atlanta); BELOTTI, SERGIO (SERGIO); 
> Beller, Dieter (Dieter); Rajan Rao; Zhangxian (Xian); 
> xufeng.liu.ietf@gmail.com<mailto:xufeng.liu.ietf@gmail.com>; Belotti, 
> Sergio (Nokia - IT); Anurag Sharma; Italo Busi
> æŠ„é€: teas@ietf.org<mailto:teas@ietf.org>
> ä¸»é¢˜: Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03
>
> Attendees:
> Xufeng, Igor, Carlo, Dieter, Tarek
>
> - TE topology model draft
>   > Discussed NMDA update
>   > Authors prefer to proceed with the current model to last call
>   > If NMDA guidelines do not slow down the process, we can do some adjustments
>
> - Tutorial/Manual
>   > Igor provided tree snippets in Section 1.
>   > Xufeng is working on JSON data for Use Case 1.
>     o Cover OTN abstract nodes and links.
>     o Some underlay OCh data will be put into appendix as reference.
>   > Sergio to provide comments to discuss.
>
> Thanks,
>
> - Xufeng
>
> Note: Please drop me an email if you need an invite for joining the weekly 
> call.
>
>
>
>
> _______________________________________________
>
> Teas mailing list
>
> Teas@ietf.org<mailto:Teas@ietf.org>
>
> https://www.ietf.org/mailman/listinfo/teas
>
>
>
> ----------
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</head>
<body>
<div style="color: black;">
<div style="color: black;">
<p style="margin: 0 0 1em 0; color: black;">Thanks Xufeng. Keep in mind
that the non-nmda modules will still be in a Standards Track RFC,&nbsp;
just in an appendix.&nbsp; I suspect those that would be discouraged by a
non-PS document will miss the subtly of the implications of being in an
appendix...</p>
<p style="margin: 0 0 1em 0; color: black;">Lou</p>
</div>
<div style="color: black;">
<p
style="color: black; font-size: 10pt; font-family: Arial, sans-serif; margin: 10pt 0;">On
May 11, 2017 10:41:03 PM Xufeng Liu &lt;Xufeng_Liu@jabil.com&gt; wrote:</p>
<blockquote type="cite" class="gmail_quote"
style="margin: 0 0 0 0.75ex; border-left: 1px solid #808080; padding-left: 0.75ex;">
<div class="WordSection1">
<p class="MsoNormal"><span style="color:windowtext">Will bring this up
again to discuss. People may accept putting them together during the
process if doing so will not slow down the process. Putting the current
model as non-normative may discourage the current
 implementers.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="color:windowtext"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span
style="color:windowtext">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">-
Xufeng<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="color:windowtext"><o:p>&nbsp;</o:p></span></p>
<div
style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt">
<div>
<div
style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="color:windowtext">From:</span></b><span style="color:windowtext">
Lou Berger [mailto:lberger@labn.net]
<br>
<b>Sent:</b> Thursday, May 11, 2017 8:22 AM<br>
<b>To:</b> Xufeng Liu &lt;Xufeng_Liu@jabil.com&gt;<br>
<b>Cc:</b> TEAS WG &lt;teas@ietf.org&gt;; Robert Wilton
&lt;rwilton@cisco.com&gt;<br>
<b>Subject:</b> Re: [Teas] IETF TE Topology YANG Model Design Meeting Notes
- 2017-05-03<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p>Xufeng/Authors,<o:p></o:p></p>
<p>&nbsp;&nbsp;&nbsp; Thanks for the update and proactively looking at
this.&nbsp; Did you also discuss the 'refactored' NMDA compatible version
put together (see
<a
href="https://github.com/rgwilton/ietf-models-to-combined">https://github.com/rgwilton/ietf-models-to-combined</a>)?
What were your thoughts?<o:p></o:p></p>
<p>Thanks,<o:p></o:p></p>
<p>Lou<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class="MsoNormal">On 5/10/2017 9:26 AM, Xufeng Liu wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hi Fatai,<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">This discussion is under the context of NMDA (<a
href="https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-01">https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-01</a>).
&nbsp;The â€œcurrent modelâ€ means the model structure that we are
 using now without re-structuring to the NMDA style. We may include the
NMDA style during the last call process if doing so would not slow down the
process.<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">Weâ€™d like to process with the last call with â€œ<span
style="font-size:10.5pt;color:#1F497D">draft-ietf-teas-yang-te-topo-08</span>â€.
We understand that there will be changes during the process and 09 will
come at that time.<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">- Xufeng<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<div
style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt">
<div>
<div
style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b>From:</b> Fatai Zhang [<a
href="mailto:zhangfatai@huawei.com">mailto:zhangfatai@huawei.com</a>]
<br>
<b>Sent:</b> Tuesday, May 9, 2017 2:35 AM<br>
<b>To:</b> Xufeng Liu <a
href="mailto:Xufeng_Liu@jabil.com">&lt;Xufeng_Liu@jabil.com&gt;</a>; Vishnu
Pavan Beeram
<a href="mailto:vbeeram@juniper.net">&lt;vbeeram@juniper.net&gt;</a>; Igor
Bryskin <a href="mailto:Igor.Bryskin@huawei.com">
&lt;Igor.Bryskin@huawei.com&gt;</a>; Oscar Gonzalez De Dios <a
href="mailto:oscar.gonzalezdedios@telefonica.com">
&lt;oscar.gonzalezdedios@telefonica.com&gt;</a>; Tarek Saad <a
href="mailto:tsaad@cisco.com">
&lt;tsaad@cisco.com&gt;</a>; Himanshu Shah <a
href="mailto:hshah@ciena.com">&lt;hshah@ciena.com&gt;</a>; Lou Berger
<a href="mailto:lberger@labn.net">&lt;lberger@labn.net&gt;</a>; BRUNGARD,
DEBORAH A (ATTLABS)
<a href="mailto:db3546@att.com">&lt;db3546@att.com&gt;</a>; Susan Hares <a
href="mailto:shares@ndzh.com">
&lt;shares@ndzh.com&gt;</a>; Zafar Ali (zali) <a
href="mailto:zali@cisco.com">&lt;zali@cisco.com&gt;</a>; Khaddam, Mazen
(CCI-Atlanta)
<a href="mailto:Mazen.Khaddam@cox.com">&lt;Mazen.Khaddam@cox.com&gt;</a>;
BELOTTI, SERGIO (SERGIO)
<a
href="mailto:sergio.belotti@alcatel-lucent.com">&lt;sergio.belotti@alcatel-lucent.com&gt;</a>;
Beller, Dieter (Dieter)
<a
href="mailto:dieter.beller@alcatel-lucent.com">&lt;dieter.beller@alcatel-lucent.com&gt;</a>;
Rajan Rao
<a href="mailto:rrao@infinera.com">&lt;rrao@infinera.com&gt;</a>; Zhangxian
(Xian) <a href="mailto:zhang.xian@huawei.com">
&lt;zhang.xian@huawei.com&gt;</a>; <a
href="mailto:xufeng.liu.ietf@gmail.com">xufeng.liu.ietf@gmail.com</a>;
Belotti, Sergio (Nokia - IT)
<a
href="mailto:sergio.belotti@nokia.com">&lt;sergio.belotti@nokia.com&gt;</a>;
Anurag Sharma
<a href="mailto:AnSharma@infinera.com">&lt;AnSharma@infinera.com&gt;</a>;
Italo Busi <a href="mailto:Italo.Busi@huawei.com">
&lt;Italo.Busi@huawei.com&gt;</a><br>
<b>Cc:</b> <a href="mailto:teas@ietf.org">teas@ietf.org</a><br>
<b>Subject:</b> <span lang="ZH-CN" style="font-family:SimSun">ç­”å¤</span>:
IETF TE Topology YANG Model Design Meeting Notes - 2017-05-03<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:#1F497D">Hi
Xufeng,</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-line-height-alt:0pt">
<span style="font-size:10.5pt;color:#1F497D">Thanks for the minutes.
</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-line-height-alt:0pt">
<span style="font-size:10.5pt;color:#1F497D">Do you mean â€œ the current
modelâ€ is â€œdraft-ietf-teas-yang-te-topo-08â€ (that has not been updated
after IETF 98) or 09 version to be uploaded?
</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.5pt;color:#1F497D">===============================================================================================================</span><o:p></o:p></p>
<div>
<p class="MsoNormal">- TE topology model draft<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; Discussed NMDA update<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; Authors prefer to proceed with the current
model to last call<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify;text-indent:5.5pt">&gt; If
NMDA guidelines do not slow down the process, we can do some
adjustments<o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><span
style="font-size:10.5pt;color:#1F497D">&nbsp;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><span
style="font-size:10.5pt;color:#1F497D">&nbsp;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><span
style="font-size:10.5pt;color:#1F497D">&nbsp;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><span
style="font-size:10.5pt;color:#1F497D">Thanks</span><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><span
style="font-size:10.5pt;color:#1F497D">&nbsp;</span><o:p></o:p></p>
<p class="MsoNormal" style="text-align:justify"><span
style="font-size:10.5pt;color:#1F497D">Fatai</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span
style="font-size:10.5pt;color:#1F497D">&nbsp;</span><o:p></o:p></p>
<div>
<div
style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span lang="ZH-CN"
style="font-size:10.0pt;font-family:SimSun">å‘ä»¶äºº</span></b><b><span
style="font-size:10.0pt;font-family:SimSun">:</span></b><span
style="font-size:10.0pt;font-family:SimSun"> Teas [<a
href="mailto:teas-bounces@ietf.org">mailto:teas-bounces@ietf.org</a>]
<b><span lang="ZH-CN">ä»£è¡¨ </span></b>Xufeng Liu<br>
<b><span lang="ZH-CN">å‘é€æ—¶é—´</span>:</b> 2017<span
lang="ZH-CN">å¹´</span>5<span lang="ZH-CN">æœˆ</span>6<span
lang="ZH-CN">æ—¥</span> 4:45<br>
<b><span lang="ZH-CN">æ”¶ä»¶äºº</span>:</b> Vishnu Pavan Beeram; Igor Bryskin;
Oscar Gonzalez De Dios; Tarek Saad; Himanshu Shah; Lou Berger; BRUNGARD,
DEBORAH A (ATTLABS); Susan Hares; Zafar Ali (zali); Khaddam, Mazen
(CCI-Atlanta); BELOTTI, SERGIO (SERGIO); Beller,
 Dieter (Dieter); Rajan Rao; Zhangxian (Xian); <a
href="mailto:xufeng.liu.ietf@gmail.com">
xufeng.liu.ietf@gmail.com</a>; Belotti, Sergio (Nokia - IT); Anurag Sharma;
Italo Busi<br>
<b><span lang="ZH-CN">æŠ„é€</span>:</b> <a
href="mailto:teas@ietf.org">teas@ietf.org</a><br>
<b><span lang="ZH-CN">ä¸»é¢˜</span>:</b> Re: [Teas] IETF TE Topology YANG Model
Design Meeting Notes - 2017-05-03</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">Attendees:<o:p></o:p></p>
<p class="MsoNormal">Xufeng, Igor, Carlo, Dieter, Tarek<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">- TE topology model draft<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; Discussed NMDA update<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; Authors prefer to proceed with the current
model to last call<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; If NMDA guidelines do not slow down the
process, we can do some adjustments<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">- Tutorial/Manual<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; Igor provided tree snippets in Section
1.<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; Xufeng is working on JSON data for Use
Case 1.<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp; o Cover OTN abstract nodes and
links.<o:p></o:p></p>
<p class="MsoNormal">&nbsp;&nbsp;&nbsp; o Some underlay OCh data will be
put into appendix as reference.<o:p></o:p></p>
<p class="MsoNormal">&nbsp; &gt; Sergio to provide comments to
discuss.<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">- Xufeng<o:p></o:p></p>
<p class="MsoNormal">&nbsp;<o:p></o:p></p>
<p class="MsoNormal">Note: Please drop me an email if you need an invite
for joining the weekly call.<o:p></o:p></p>
</div>
<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Teas mailing list<o:p></o:p></pre>
<pre><a href="mailto:Teas@ietf.org">Teas@ietf.org</a><o:p></o:p></pre>
<pre><a
href="https://www.ietf.org/mailman/listinfo/teas">https://www.ietf.org/mailman/listinfo/teas</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>

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From nobody Fri May 12 08:10:29 2017
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Subject: [Teas] I-D Action: draft-ietf-teas-actn-requirements-05.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 Traffic Engineering Architecture and Signaling of the IETF.

        Title           : Requirements for Abstraction and Control of TE Networks
        Authors         : Young Lee
                          Dhruv Dhody
                          Sergio Belotti
                          Khuzema Pithewan
                          Daniele Ceccarelli
                          Takuya Miyasaka
                          Jong Yoon Shin
	Filename        : draft-ietf-teas-actn-requirements-05.txt
	Pages           : 11
	Date            : 2017-05-12

Abstract:
   This document provides a set of requirements for abstraction and
   control of Traffic Engineering networks to facilitate virtual
   network operation via the creation of a single virtualized network
   or a seamless service. This supports operators in viewing and
   controlling different domains (at any dimension: applied technology,
   administrative zones, or vendor-specific technology islands) as a
   single virtualized network.




The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-requirements/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-requirements-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-requirements-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-requirements-05


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 Fri May 12 08:21:45 2017
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From: Leeyoung <leeyoung@huawei.com>
To: "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Teas] I-D Action: draft-ietf-teas-actn-requirements-05.txt
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Subject: [Teas] FW:  I-D Action: draft-ietf-teas-actn-requirements-05.txt
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Hi,

We deleted all interface related requirements from the document to stay pur=
ely with operators' requirement based on the use-cases.=20

The co-authors believe that this draft is ready for WG LC. Please send your=
 comments and suggestions to the list.=20

Best regards,
Young (on behalf of co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 12, 2017 10:10 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-requirements-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Requirements for Abstraction and Control of TE Ne=
tworks
        Authors         : Young Lee
                          Dhruv Dhody
                          Sergio Belotti
                          Khuzema Pithewan
                          Daniele Ceccarelli
                          Takuya Miyasaka
                          Jong Yoon Shin
	Filename        : draft-ietf-teas-actn-requirements-05.txt
	Pages           : 11
	Date            : 2017-05-12

Abstract:
   This document provides a set of requirements for abstraction and
   control of Traffic Engineering networks to facilitate virtual
   network operation via the creation of a single virtualized network
   or a seamless service. This supports operators in viewing and
   controlling different domains (at any dimension: applied technology,
   administrative zones, or vendor-specific technology islands) as a
   single virtualized network.




The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-requirements/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-requirements-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-requirements-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-requirements-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


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From: "Zafar Ali (zali)" <zali@cisco.com>
To: Lou Berger <lberger@labn.net>, Oscar de Dios <ogondio@tid.es>, "Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>, Vishnu Beeram <vbeeram@juniper.net>, Xian Zhang <zhang.xian@huawei.com>, Igor Bryskin <igor.bryskin@huawei.com>, "jdrake@juniper.net" <jdrake@juniper.net>, "ggrammel@juniper.net" <ggrammel@juniper.net>, "pbrzozowski@advaoptical.com" <pbrzozowski@advaoptical.com>
CC: TEAS WG <teas@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-network-assigned-upstream-label
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Date: Fri, 12 May 2017 17:58:08 +0000
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Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-network-assigned-upstream-label
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CC: TEAS WG <teas@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-network-assigned-upstream-label
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Date: Fri, 12 May 2017 18:10:55 +0000
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Subject: [Teas] I-D Action: draft-ietf-teas-gmpls-lsp-fastreroute-08.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 Traffic Engineering Architecture and Signaling of the IETF.

        Title           : Extensions to Resource Reservation Protocol For Fast Reroute of Traffic Engineering GMPLS LSPs
        Authors         : Mike Taillon
                          Tarek Saad
                          Rakesh Gandhi
                          Zafar Ali
                          Manav Bhatia
	Filename        : draft-ietf-teas-gmpls-lsp-fastreroute-08.txt
	Pages           : 22
	Date            : 2017-05-12

Abstract:
   This document defines Resource Reservation Protocol - Traffic
   Engineering (RSVP-TE) signaling extensions to support Fast Reroute
   (FRR) of Packet Switched Capable (PSC) Generalized Multi-Protocol
   Label Switching (GMPLS) Label Switched Paths (LSPs).  These signaling
   extensions allow the coordination of a bidirectional bypass tunnel
   assignment protecting a common facility in both forward and reverse
   directions of a co-routed bidirectional LSP.  In addition, these
   extensions enable the re-direction of bidirectional traffic onto
   bypass tunnels that ensure co-routedness of data paths in the forward
   and reverse directions after FRR and avoid RSVP soft-state timeout in
   control-plane.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-gmpls-lsp-fastreroute/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-gmpls-lsp-fastreroute-08
https://datatracker.ietf.org/doc/html/draft-ietf-teas-gmpls-lsp-fastreroute-08

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-gmpls-lsp-fastreroute-08


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

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


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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
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References: <7b244987-fff4-53de-5aad-ae2bfbc056c5@labn.net> <CA+YzgTstNnamDL8misaGCgv-K872T8vew9rOQW6iKpBdDG10yQ@mail.gmail.com> <0C72C38E7EBC34499E8A9E7DD0078639099252DE@SJCEML702-CHM.china.huawei.com> <98fc5584cf8f4313bc091ba41966b1e9@advaoptical.com>
From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Fri, 12 May 2017 18:32:17 -0400
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/hI8kV0w0kpqs0NV0ChayPzltAN4>
Subject: [Teas] Fwd: Regarding IPR on draft-ietf-teas-network-assigned-upstream-label
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--94eb2c14c7342508ff054f5b47e2
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Fwding Pawel's response..

---------- Forwarded message ----------
From: Pawe=C5=82 Brzozowski <PBrzozowski@advaoptical.com>
Date: Fri, May 12, 2017 at 6:22 PM
Subject: Re: [Teas] Regarding IPR on
draft-ietf-teas-network-assigned-upstream-label
To: Igor Bryskin <Igor.Bryskin@huawei.com>, Vishnu Pavan Beeram <
vishnupavan@gmail.com>, Oscar de Dios <ogondio@tid.es>, John E Drake <
jdrake@juniper.net>, Gert Grammel <ggrammel@juniper.net>, "Zafar Ali
(zali)" <zali@cisco.com>
Cc: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Vishnu Beeram <
vbeeram@juniper.net>, "Zhangxian (Xian)" <zhang.xian@huawei.com>


No, I am not aware of IPR that applies to this draft.

Pawel



Sent from my T-Mobile 4G LTE Device





On Fri, Apr 28, 2017 at 6:04 PM, Lou Berger <lberger@labn.net> wrote:


Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
appropriate.

If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.



_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

--94eb2c14c7342508ff054f5b47e2
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<div dir=3D"ltr"><div>Fwding Pawel&#39;s response..<br><br></div><div><div>=
<div class=3D"gmail_quote">---------- Forwarded message ----------<br>From:=
 <b class=3D"gmail_sendername">Pawe=C5=82 Brzozowski</b> <span dir=3D"ltr">=
&lt;<a href=3D"mailto:PBrzozowski@advaoptical.com">PBrzozowski@advaoptical.=
com</a>&gt;</span><br>Date: Fri, May 12, 2017 at 6:22 PM<br>Subject: Re: [T=
eas] Regarding IPR on draft-ietf-teas-network-assigned-upstream-label<br>To=
: Igor Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@huawei.com">Igor.Bryskin@=
huawei.com</a>&gt;, Vishnu Pavan Beeram &lt;<a href=3D"mailto:vishnupavan@g=
mail.com">vishnupavan@gmail.com</a>&gt;, Oscar de Dios &lt;<a href=3D"mailt=
o:ogondio@tid.es">ogondio@tid.es</a>&gt;, John E Drake &lt;<a href=3D"mailt=
o:jdrake@juniper.net">jdrake@juniper.net</a>&gt;, Gert Grammel &lt;<a href=
=3D"mailto:ggrammel@juniper.net">ggrammel@juniper.net</a>&gt;, &quot;Zafar =
Ali (zali)&quot; &lt;<a href=3D"mailto:zali@cisco.com">zali@cisco.com</a>&g=
t;<br>Cc: Daniele Ceccarelli &lt;<a href=3D"mailto:daniele.ceccarelli@erics=
son.com">daniele.ceccarelli@ericsson.com</a>&gt;, Vishnu Beeram &lt;<a href=
=3D"mailto:vbeeram@juniper.net">vbeeram@juniper.net</a>&gt;, &quot;Zhangxia=
n (Xian)&quot; &lt;<a href=3D"mailto:zhang.xian@huawei.com">zhang.xian@huaw=
ei.com</a>&gt;<br><br><br>






<div link=3D"blue" vlink=3D"purple" lang=3D"EN-US"><span class=3D"">
<div>No, I am not aware of IPR that applies to this draft.</div>
<div><br>
</div>
</span><div>Pawel</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div id=3D"m_8241717382686584962composer_signature">
<div dir=3D"auto" style=3D"font-size:85%;color:#575757">Sent from my T-Mobi=
le 4G LTE Device</div>
</div><div><div class=3D"h5">
<div><br>
</div>
<div><br>
</div>
<br><div><div class=3D"m_8241717382686584962WordSection1"><div><div>
<div>
<div>
<div>
<div>
<div>
<p class=3D"MsoNormal">=C2=A0</p>
<div>
<p class=3D"MsoNormal">On Fri, Apr 28, 2017 at 6:04 PM, Lou Berger &lt;<a h=
ref=3D"mailto:lberger@labn.net" target=3D"_blank">lberger@labn.net</a>&gt; =
wrote:</p>
<p class=3D"MsoNormal"><br>
Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any IPR that applies to drafts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I&#39;m not aware of any IPR that applies to this draft&quot;<br>
or<br>
&quot;Yes, I&#39;m aware of IPR that applies to this draft&quot;<br>
<br>
If so, has this IPR been disclosed in compliance with IETF IPR rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the IPR has been disclosed in compliance with IETF IPR rules&quo=
t;<br>
or<br>
&quot;No, the IPR has not been disclosed&quot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
above by responding to this email regardless of whether or not you are<br>
aware of any relevant IPR. This document will not advance to the next<br>
stage until a response has been received from each author and listed<br>
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE&#39;S<=
br>
TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed<br=
>
as an author or contributor, we remind you of your obligations under<br>
the IETF IPR rules which encourages you to notify the IETF if you are<br>
aware of IPR of others on an IETF contribution, or to refrain from<br>
participating in any contribution or discussion related to your<br>
undisclosed IPR. For more information, please see the RFCs listed above<br>
and<br>
<a href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProp=
erty" target=3D"_blank">http://trac.tools.ietf.org/<wbr>group/iesg/trac/wik=
i/<wbr>IntellectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your<br>
response.<br>
<br>
<br>
<br>
______________________________<wbr>_________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<wbr>listinfo/teas</a></p>
</div>
<p class=3D"MsoNormal">=C2=A0</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div></div></div>

</div><br></div></div></div>

--94eb2c14c7342508ff054f5b47e2--


From nobody Sun May 14 14:50:35 2017
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Subject: [Teas] I-D Action: draft-ietf-teas-pce-central-control-02.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Traffic Engineering Architecture and Signaling of the IETF.

        Title           : An Architecture for Use of PCE and PCEP in a Network with Central Control
        Authors         : Adrian Farrel
                          Quintin Zhao
                          Robin Li
                          Chao Zhou
	Filename        : draft-ietf-teas-pce-central-control-02.txt
	Pages           : 22
	Date            : 2017-05-14

Abstract:
   The Path Computation Element (PCE) has become established as a core
   component of Software Defined Networking (SDN) systems.  It can
   compute optimal paths for traffic across a network for any definition
   of "optimal" and can also monitor changes in resource availability
   and traffic demands to update the paths.

   Conventionally, the PCE has been used to derive paths for MPLS Label
   Switched Paths (LSPs).  These paths are supplied using the Path
   Computation Element Communication Protocol (PCEP) to the head end of
   the LSP for signaling in the MPLS network.

   SDN has a far broader applicability than just signaled MPLS traffic
   engineered networks, and the PCE may be used to determine paths in a
   wide range of use cases including static LSPs, segment routing,
   service function chaining (SFC), and indeed any form of routed or
   switched network.  It is, therefore, reasonable to consider PCEP as a
   general southbound control protocol for use in these environments to
   allow the PCE to be fully enabled as a central controller.

   This document briefly introduces the architecture for PCE as a
   central controller, examines the motivations and applicability for
   PCEP as a southbound interface, and introduces the implications for
   the protocol.  This document does not describe the use cases in
   detail and does not define protocol extensions: that work is left for
   other documents.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-pce-central-control/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-pce-central-control-02
https://datatracker.ietf.org/doc/html/draft-ietf-teas-pce-central-control-02

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-pce-central-control-02


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

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


From nobody Sun May 14 15:25:00 2017
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Subject: [Teas] Update to draft-ietf-teas-pce-central-control-02.txt
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Hi WG,

I have been sitting on the promised updates for too long.

Obviously, you can all run a diff for yourselves, but here is a summary. The
changes basically all result discussions with Michael Scharf. The changes re not
large, but hopefully make all the difference.

Section 2
Additional paragraph to highlight trade-off between deployments with and without
a control plane.

Section 3.1.4
Expansion on what it means to carry technology-specific  parameters for T-SDN.
Add reference to draft-ietf-pce-wson-rwa-ext

Section 4
Change section title.
Add clarification on backward compatibility and existing deployments.
Add protocol from Michael on impact on existing deployments.
Add paragraph on profiling protocol extensions.

Section 5
SDNRG has closed

Section 6
Add paragraph on managing with additional PCEP features.


With these changes, and the discussion that there was on the list, I think we
are ready for WG last call.

Thanks,
Adrian


> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of
internet-drafts@ietf.org
> Sent: 14 May 2017 22:50
> To: i-d-announce@ietf.org
> Cc: teas@ietf.org
> Subject: [Teas] I-D Action: draft-ietf-teas-pce-central-control-02.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
directories.
> This draft is a work item of the Traffic Engineering Architecture and
Signaling of
> the IETF.
> 
>         Title           : An Architecture for Use of PCE and PCEP in a Network
with Central
> Control
>         Authors         : Adrian Farrel
>                           Quintin Zhao
>                           Robin Li
>                           Chao Zhou
> 	Filename        : draft-ietf-teas-pce-central-control-02.txt
> 	Pages           : 22
> 	Date            : 2017-05-14
> 
> Abstract:
>    The Path Computation Element (PCE) has become established as a core
>    component of Software Defined Networking (SDN) systems.  It can
>    compute optimal paths for traffic across a network for any definition
>    of "optimal" and can also monitor changes in resource availability
>    and traffic demands to update the paths.
> 
>    Conventionally, the PCE has been used to derive paths for MPLS Label
>    Switched Paths (LSPs).  These paths are supplied using the Path
>    Computation Element Communication Protocol (PCEP) to the head end of
>    the LSP for signaling in the MPLS network.
> 
>    SDN has a far broader applicability than just signaled MPLS traffic
>    engineered networks, and the PCE may be used to determine paths in a
>    wide range of use cases including static LSPs, segment routing,
>    service function chaining (SFC), and indeed any form of routed or
>    switched network.  It is, therefore, reasonable to consider PCEP as a
>    general southbound control protocol for use in these environments to
>    allow the PCE to be fully enabled as a central controller.
> 
>    This document briefly introduces the architecture for PCE as a
>    central controller, examines the motivations and applicability for
>    PCEP as a southbound interface, and introduces the implications for
>    the protocol.  This document does not describe the use cases in
>    detail and does not define protocol extensions: that work is left for
>    other documents.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-teas-pce-central-control/



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Subject: [Teas] I-D Action: draft-ietf-teas-gmpls-lsp-fastreroute-09.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 Traffic Engineering Architecture and Signaling of the IETF.

        Title           : Extensions to Resource Reservation Protocol For Fast Reroute of Traffic Engineering GMPLS LSPs
        Authors         : Mike Taillon
                          Tarek Saad
                          Rakesh Gandhi
                          Zafar Ali
                          Manav Bhatia
	Filename        : draft-ietf-teas-gmpls-lsp-fastreroute-09.txt
	Pages           : 22
	Date            : 2017-05-15

Abstract:
   This document defines Resource Reservation Protocol - Traffic
   Engineering (RSVP-TE) signaling extensions to support Fast Reroute
   (FRR) of Packet Switched Capable (PSC) Generalized Multi-Protocol
   Label Switching (GMPLS) Label Switched Paths (LSPs).  These signaling
   extensions allow the coordination of a bidirectional bypass tunnel
   assignment protecting a common facility in both forward and reverse
   directions of a co-routed bidirectional LSP.  In addition, these
   extensions enable the re-direction of bidirectional traffic onto
   bypass tunnels that ensure co-routedness of data paths in the forward
   and reverse directions after FRR and avoid RSVP soft-state timeout in
   control-plane.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-gmpls-lsp-fastreroute/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-gmpls-lsp-fastreroute-09
https://datatracker.ietf.org/doc/html/draft-ietf-teas-gmpls-lsp-fastreroute-09

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-gmpls-lsp-fastreroute-09


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

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


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From nobody Mon May 15 07:48:26 2017
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From: Leeyoung <leeyoung@huawei.com>
To: "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: terminology discussion  network slicing 
Thread-Index: AdLNibwU9LLkPQ+KR4i49jploFvNwA==
Date: Mon, 15 May 2017 14:44:59 +0000
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Subject: [Teas] terminology discussion  network slicing
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Hi Adrian and others,=20

We'd like cross check with you on some terminology we introduced newly. Any=
 comment on these terms will be greatly appreciated.=20

We introduced 'network slicing' as follows:=20

        Network slicing is a collection of resources
        that are used to establish logically dedicated virtual networks
        over TE networks. It allows a network provider to provide
        dedicated virtual networks for application/customer over a
        common network infrastructure. The logically dedicated
        resources are a part of the larger common network
        infrastructures that are shared among various network slice
        instances which are the end-to-end realization of network
        slicing, consisting of the combination of physically or
        logically dedicated resources.


Thanks.
Young and Daniele=20
-----Original Message-----
From: Leeyoung=20
Sent: Friday, May 05, 2017 1:41 PM
To: teas@ietf.org
Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt

Hi,

This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:

- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)
- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.
- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)=20
- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01=20
- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)

In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.=20

The following diff pointer will help you see the changes with this revision=
:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20

The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.=20

Thanks & Best regards,
Young & Daniele (on behalf of other co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 05, 2017 10:41 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


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From: Leeyoung <leeyoung@huawei.com>
To: "teas@ietf.org" <teas@ietf.org>, Lou Berger <lberger@labn.net>
Thread-Topic: Follow up with Lou's comments on ACTN 
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Subject: [Teas] Follow up with Lou's comments on ACTN
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--_000_7AEB3D6833318045B4AE71C2C87E8E172B2CA644SJCEML702CHMchi_
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Hi Lou,



We'd like to follow-up with you on some of the comments you made during Chi=
cago TEAS WG meeting. You commented during ACTN framework & requirement pre=
sentation the following:



*        Lou Berger: I see this as multi-domain orchestration. I am proposi=
ng to take the text from the mapping draft into the framework draft to help=
 people understanding the ACTN terminology. We need to help people understa=
nd how the terms in this document relate to the terms they already understa=
nd.



Our response: in the revision we have created section 5 where we took some =
text from the mapping draft (https://tools.ietf.org/html/draft-zhang-teas-a=
ctn-yang-04) and drew a figure that shows the relationship between ACTN ter=
minology and service/network orchestration. Please see Section 5.2 and Appe=
ndix A (for an example) https://tools.ietf.org/html/draft-ietf-teas-actn-fr=
amework-05



On the ACTN abstraction model presentation (https://tools.ietf.org/html/dra=
ft-lee-teas-actn-abstraction-01) , you made a comment:

*        Lou Berger: after you've moved text to the framework document, wil=
l anything be left in this one?
Young Lee: there's still stuff that is useful in here.
Lou: if you aren't using the whole of this document to the framework docume=
nt, it'd be good if you sent a mail to the list to say which bits are movin=
g. A complete merge is also OK.



Our response: We created a new section 6 (Topology Abstraction Method) in t=
he ACTN framework where we imported some key texts from the ACTN abstractio=
n method  draft: https://tools.ietf.org/html/draft-lee-teas-actn-abstractio=
n-01.  Our plan is to keep some details (such as motivation, specific requi=
rements, etc) on the ACTN abstraction methods draft.



Please let us know if our response satisfies you so that we can close these=
 two pending issues; and if not, please give us further comments.



Thanks.

Young and Daniele

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

From: Leeyoung

Sent: Friday, May 05, 2017 1:41 PM

To: teas@ietf.org<mailto:teas@ietf.org>

Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt



Hi,



This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:



- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)

- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.

- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)

- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01

- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)



In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.



The following diff pointer will help you see the changes with this revision=
:

https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05



The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.



Thanks & Best regards,

Young & Daniele (on behalf of other co-authors/contributors)



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

From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org<mailto:internet-drafts@ietf.org>

Sent: Friday, May 05, 2017 10:41 AM

To: i-d-announce@ietf.org<mailto:i-d-announce@ietf.org>

Cc: teas@ietf.org<mailto:teas@ietf.org>

Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt





A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.

This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.



        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks

        Authors         : Daniele Ceccarelli

                          Young Lee

               Filename        : draft-ietf-teas-actn-framework-05.txt

               Pages           : 41

               Date            : 2017-05-05



Abstract:

   Traffic Engineered networks have a variety of mechanisms to

   facilitate the separation of the data plane and control plane. They

   also have a range of management and provisioning protocols to

   configure and activate network resources.  These mechanisms

   represent key technologies for enabling flexible and dynamic

   networking.



   Abstraction of network resources is a technique that can be applied

   to a single network domain or across multiple domains to create a

   single virtualized network that is under the control of a network

   operator or the customer of the operator that actually owns

   the network resources.



   This document provides a framework for Abstraction and Control of

   Traffic Engineered Networks (ACTN).







The IETF datatracker status page for this draft is:

https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/



There are also htmlized versions available at:

https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05

https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05



A diff from the previous version is available at:

https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05





Please note that it may take a couple of minutes from the time of submissio=
n 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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<body lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72">
<div class=3D"WordSection1">
<p class=3D"MsoPlainText">Hi Lou, <o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">We&#8217;d like to follow-up with you on some of =
the comments you made during Chicago TEAS WG meeting. You commented during =
ACTN framework &amp; requirement presentation the following:
<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" style=3D"margin-left:.5in;text-indent:-.25in;mso-=
list:l0 level1 lfo1">
<![if !supportLists]><span style=3D"font-size:10.0pt;font-family:Symbol;col=
or:black"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt=
 &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><i><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Arial&quot;,sans-serif;color:black">Lou Berger: I see this as mult=
i-domain orchestration. I am proposing to take the text from the mapping dr=
aft into the framework draft to help people
 understanding the ACTN terminology. We need to help people understand how =
the terms in this document relate to the terms they already understand.&nbs=
p;</span></i><i><span style=3D"font-size:10.0pt;color:black"><o:p></o:p></s=
pan></i></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">Our response: in the =
revision we have created section 5 where we took some text from the mapping=
 draft (<a href=3D"https://tools.ietf.org/html/draft-zhang-teas-actn-yang-0=
4">https://tools.ietf.org/html/draft-zhang-teas-actn-yang-04</a>)
 and drew a figure that shows the relationship between ACTN terminology and=
 service/network orchestration. Please see Section 5.2 and Appendix A (for =
an example)
<a href=3D"https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05">h=
ttps://tools.ietf.org/html/draft-ietf-teas-actn-framework-05</a><o:p></o:p>=
</span></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">On the ACTN abstracti=
on model presentation (https://tools.ietf.org/html/draft-lee-teas-actn-abst=
raction-01) , you made a comment:
<o:p></o:p></span></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in;text-indent:-.25in;mso-=
list:l0 level1 lfo1">
<![if !supportLists]><span style=3D"font-family:Symbol;color:black"><span s=
tyle=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &quot;Times New =
Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><i><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Arial&quot;,sans-serif;color:black">Lou Berger: after you've moved=
 text to the framework document, will anything be left in this one?<br>
Young Lee: there's still stuff that is useful in here.<br>
Lou: if you aren't using the whole of this document to the framework docume=
nt, it'd be good if you sent a mail to the list to say which bits are movin=
g. A complete merge is also OK.</span><span style=3D"color:black"><o:p></o:=
p></span></i></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">Our response: We crea=
ted a new section 6 (Topology Abstraction Method) in the ACTN framework whe=
re we imported some key texts from the ACTN abstraction method &nbsp;draft:
<a href=3D"https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01">=
https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01</a>. &nbsp;O=
ur plan is to keep some details (such as motivation, specific requirements,=
 etc) on the ACTN abstraction methods draft.
 &nbsp;<o:p></o:p></span></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">Please let us know if=
 our response satisfies you so that we can close these two pending issues; =
and if not, please give us further comments.
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span style=3D"color:black"><o:p>&nbsp;</o:p></sp=
an></p>
<p class=3D"MsoPlainText">Thanks.<o:p></o:p></p>
<p class=3D"MsoPlainText">Young and Daniele <o:p></o:p></p>
<p class=3D"MsoPlainText">-----Original Message-----<o:p></o:p></p>
<p class=3D"MsoPlainText">From: Leeyoung <o:p></o:p></p>
<p class=3D"MsoPlainText">Sent: Friday, May 05, 2017 1:41 PM<o:p></o:p></p>
<p class=3D"MsoPlainText">To: <a href=3D"mailto:teas@ietf.org"><span style=
=3D"color:windowtext;text-decoration:none">teas@ietf.org</span></a><o:p></o=
:p></p>
<p class=3D"MsoPlainText">Subject: RE: [Teas] I-D Action: draft-ietf-teas-a=
ctn-framework-05.txt<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Hi,<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">This update is intended to incorporate the commen=
ts from the last WG meeting and any pending issues. We also have taken the =
global editorial changes to make it consistent through the document. Major =
changes are:<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">- Inclusion of &quot;network slicing&quot; defini=
tion from ACTN perspective (in the terminology section)<o:p></o:p></p>
<p class=3D"MsoPlainText">- Added virtual network service (VNS) section (Se=
ction 3) to define types of VNS.<o:p></o:p></p>
<p class=3D"MsoPlainText">- Incorporated &quot;orchestration&quot; (service=
/network) mapping to ACTN architecture (See Section 5.2)
<o:p></o:p></p>
<p class=3D"MsoPlainText">- Created a new section 6 (Topology Abstraction M=
ethod) where we imported some texts from ACTN abstraction method&nbsp;
<a href=3D"https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01">=
<span style=3D"color:windowtext;text-decoration:none">https://tools.ietf.or=
g/html/draft-lee-teas-actn-abstraction-01</span></a>
<o:p></o:p></p>
<p class=3D"MsoPlainText">- Added Appendices A &amp; B to discuss example d=
eployment scenarios such as example of MDSC and PNC functions integrated in=
 Service/Network Orchestrator (Appendix A) and example of IP &#43; Optical =
network with L3VPN service (Appendix B)<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">In regard to ACTN abstraction method draft, we ar=
e going to keep it as a separate draft and use this document to elaborate o=
ther aspects not imported to the framework document.
<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">The following diff pointer will help you see the =
changes with this revision:<o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddr=
aft-ietf-teas-actn-framework-05"><span style=3D"color:windowtext;text-decor=
ation:none">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framew=
ork-05</span></a>
<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">The co-authors believe that the document is ready=
 for WG LC. Any changes/comments will be appreciated.
<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Thanks &amp; Best regards,<o:p></o:p></p>
<p class=3D"MsoPlainText">Young &amp; Daniele (on behalf of other co-author=
s/contributors)<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: Teas [<a href=3D"mailto:teas-bounces@ietf.o=
rg"><span style=3D"color:windowtext;text-decoration:none">mailto:teas-bounc=
es@ietf.org</span></a>] On Behalf Of
<a href=3D"mailto:internet-drafts@ietf.org"><span style=3D"color:windowtext=
;text-decoration:none">internet-drafts@ietf.org</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText">Sent: Friday, May 05, 2017 10:41 AM<o:p></o:p></p=
>
<p class=3D"MsoPlainText">To: <a href=3D"mailto:i-d-announce@ietf.org"><spa=
n style=3D"color:windowtext;text-decoration:none">i-d-announce@ietf.org</sp=
an></a><o:p></o:p></p>
<p class=3D"MsoPlainText">Cc: <a href=3D"mailto:teas@ietf.org"><span style=
=3D"color:windowtext;text-decoration:none">teas@ietf.org</span></a><o:p></o=
:p></p>
<p class=3D"MsoPlainText">Subject: [Teas] I-D Action: draft-ietf-teas-actn-=
framework-05.txt<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">A New Internet-Draft is available from the on-lin=
e Internet-Drafts directories.<o:p></o:p></p>
<p class=3D"MsoPlainText">This draft is a work item of the Traffic Engineer=
ing Architecture and Signaling of the IETF.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Title&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : Framework for=
 Abstraction and Control of Traffic Engineered Networks<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Author=
s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : Daniele Ceccarelli<o:p>=
</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p; &nbsp;&nbsp;&nbsp;&nbsp;Young Lee<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Filename&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp; : draft-ietf-teas-actn-framework-05.txt<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Pages&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp; : 41<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Date&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : 2017-05-05<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Abstract:<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; Traffic Engineered networks have a v=
ariety of mechanisms to<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; facilitate the separation of the dat=
a plane and control plane. They<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; also have a range of management and =
provisioning protocols to<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; configure and activate network resou=
rces.&nbsp; These mechanisms<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; represent key technologies for enabl=
ing flexible and dynamic<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; networking.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; Abstraction of network resources is =
a technique that can be applied<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; to a single network domain or across=
 multiple domains to create a<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; single virtualized network that is u=
nder the control of a network<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; operator or the customer of the oper=
ator that actually owns<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; the network resources.<o:p></o:p></p=
>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; This document provides a framework f=
or Abstraction and Control of<o:p></o:p></p>
<p class=3D"MsoPlainText">&nbsp;&nbsp; Traffic Engineered Networks (ACTN).<=
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">The IETF datatracker status page for this draft i=
s:<o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://datatracker.ietf.org/doc/draft=
-ietf-teas-actn-framework/"><span style=3D"color:windowtext;text-decoration=
:none">https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/</sp=
an></a><o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">There are also htmlized versions available at:<o:=
p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://tools.ietf.org/html/draft-ietf=
-teas-actn-framework-05"><span style=3D"color:windowtext;text-decoration:no=
ne">https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05</span></a=
><o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://datatracker.ietf.org/doc/html/=
draft-ietf-teas-actn-framework-05"><span style=3D"color:windowtext;text-dec=
oration:none">https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-fr=
amework-05</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">A diff from the previous version is available at:=
<o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddr=
aft-ietf-teas-actn-framework-05"><span style=3D"color:windowtext;text-decor=
ation:none">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framew=
ork-05</span></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">Please note that it may take a couple of minutes =
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le at tools.ietf.org.<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Internet-Drafts are also available by anonymous F=
TP at:<o:p></o:p></p>
<p class=3D"MsoPlainText"><a href=3D"ftp://ftp.ietf.org/internet-drafts/"><=
span style=3D"color:windowtext;text-decoration:none">ftp://ftp.ietf.org/int=
ernet-drafts/</span></a><o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">_______________________________________________<o=
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<p class=3D"MsoPlainText">Teas mailing list<o:p></o:p></p>
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From nobody Mon May 15 08:26:51 2017
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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
Thread-Index: AdLNibwU9LLkPQ+KR4i49jploFvNwAAAj3bg
Date: Mon, 15 May 2017 15:21:53 +0000
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi Young,

The word "virtual" in virtual networks implies a common infrastructure shar=
ed by said networks. For example, traditional L3 VPNs share or may share IP=
/MPLS TE tunnels inter-connecting the VPNs PEs, that's why they are "virtua=
l" private networks (just appear private to the clients, but in fact, they =
are not).

IMHO IP/MPLS slices are genuinely private IP/MPLS networks, because in the =
IP/MPLS layer they are completely isolated (in both control and data planes=
). They may share underlying transport layer(s), but they do not share thei=
r own layer infrastructure.

So, I would define layer network slices as dynamically managed fully isolat=
ed in control and data planes private TE layer networks, which may share on=
e or more underlying server layer networks, i.e. I suggest taking the word =
"virtual" out of the definition.

Cheers,
Igor

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: Monday, May 15, 2017 10:45 AM
To: teas@ietf.org; adrian@olddog.co.uk
Subject: [Teas] terminology discussion network slicing

Hi Adrian and others,=20

We'd like cross check with you on some terminology we introduced newly. Any=
 comment on these terms will be greatly appreciated.=20

We introduced 'network slicing' as follows:=20

        Network slicing is a collection of resources
        that are used to establish logically dedicated virtual networks
        over TE networks. It allows a network provider to provide
        dedicated virtual networks for application/customer over a
        common network infrastructure. The logically dedicated
        resources are a part of the larger common network
        infrastructures that are shared among various network slice
        instances which are the end-to-end realization of network
        slicing, consisting of the combination of physically or
        logically dedicated resources.


Thanks.
Young and Daniele=20
-----Original Message-----
From: Leeyoung=20
Sent: Friday, May 05, 2017 1:41 PM
To: teas@ietf.org
Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt

Hi,

This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:

- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)
- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.
- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)=20
- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01=20
- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)

In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.=20

The following diff pointer will help you see the changes with this revision=
:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20

The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.=20

Thanks & Best regards,
Young & Daniele (on behalf of other co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 05, 2017 10:41 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


From nobody Mon May 15 08:38:24 2017
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References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com>
From: Ricard Vilalta <ricard.vilalta@cttc.es>
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Subject: Re: [Teas] terminology discussion network slicing
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Dear Young, all,

If we refer to network slice, we need to cite 3GPP TR 28.801 V1.0.0 
(2017-03).
It defines a network slice instance as: a set of network functions and 
the resources for these network functions which are arranged and 
configured, forming a complete logical network to meet certain network 
characteristics.

I see this definition fully aligned with yours.
BR,
Ricard

El 15/05/2017 a les 16:44, Leeyoung ha escrit:
> Hi Adrian and others,
>
> We'd like cross check with you on some terminology we introduced newly. Any comment on these terms will be greatly appreciated.
>
> We introduced 'network slicing' as follows:
>
>          Network slicing is a collection of resources
>          that are used to establish logically dedicated virtual networks
>          over TE networks. It allows a network provider to provide
>          dedicated virtual networks for application/customer over a
>          common network infrastructure. The logically dedicated
>          resources are a part of the larger common network
>          infrastructures that are shared among various network slice
>          instances which are the end-to-end realization of network
>          slicing, consisting of the combination of physically or
>          logically dedicated resources.
>
>
> Thanks.
> Young and Daniele
> -----Original Message-----
> From: Leeyoung
> Sent: Friday, May 05, 2017 1:41 PM
> To: teas@ietf.org
> Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
> Hi,
>
> This update is intended to incorporate the comments from the last WG meeting and any pending issues. We also have taken the global editorial changes to make it consistent through the document. Major changes are:
>
> - Inclusion of "network slicing" definition from ACTN perspective (in the terminology section)
> - Added virtual network service (VNS) section (Section 3) to define types of VNS.
> - Incorporated "orchestration" (service/network) mapping to ACTN architecture (See Section 5.2)
> - Created a new section 6 (Topology Abstraction Method) where we imported some texts from ACTN abstraction method  https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
> - Added Appendices A & B to discuss example deployment scenarios such as example of MDSC and PNC functions integrated in Service/Network Orchestrator (Appendix A) and example of IP + Optical network with L3VPN service (Appendix B)
>
> In regard to ACTN abstraction method draft, we are going to keep it as a separate draft and use this document to elaborate other aspects not imported to the framework document.
>
> The following diff pointer will help you see the changes with this revision:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
>
> The co-authors believe that the document is ready for WG LC. Any changes/comments will be appreciated.
>
> Thanks & Best regards,
> Young & Daniele (on behalf of other co-authors/contributors)
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf.org
> Sent: Friday, May 05, 2017 10:41 AM
> To: i-d-announce@ietf.org
> Cc: teas@ietf.org
> Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Traffic Engineering Architecture and Signaling of the IETF.
>
>          Title           : Framework for Abstraction and Control of Traffic Engineered Networks
>          Authors         : Daniele Ceccarelli
>                            Young Lee
> 	Filename        : draft-ietf-teas-actn-framework-05.txt
> 	Pages           : 41
> 	Date            : 2017-05-05
>
> Abstract:
>     Traffic Engineered networks have a variety of mechanisms to
>     facilitate the separation of the data plane and control plane. They
>     also have a range of management and provisioning protocols to
>     configure and activate network resources.  These mechanisms
>     represent key technologies for enabling flexible and dynamic
>     networking.
>
>     Abstraction of network resources is a technique that can be applied
>     to a single network domain or across multiple domains to create a
>     single virtualized network that is under the control of a network
>     operator or the customer of the operator that actually owns
>     the network resources.
>
>     This document provides a framework for Abstraction and Control of
>     Traffic Engineered Networks (ACTN).
>
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
>
>
> 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/
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas


From nobody Mon May 15 08:57:39 2017
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From: Leeyoung <leeyoung@huawei.com>
To: Ricard Vilalta <ricard.vilalta@cttc.es>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Teas] terminology discussion network slicing
Thread-Index: AQHSzZFihPahr8yd00abLSgTzP604qH1icEA
Date: Mon, 15 May 2017 15:48:48 +0000
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References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <389455e3-8a3d-cea6-9a77-518f6366dadf@cttc.es>
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Subject: Re: [Teas] terminology discussion network slicing
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Hi Ricard,

Thanks for your pointer. I just wanted to clarify that the network slicing =
definition we are proposing is from the TE network stand point (L0-L3 TE ne=
tworks).=20

Best regards,
Young

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Ricard Vilalta
Sent: Monday, May 15, 2017 10:37 AM
To: teas@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

Dear Young, all,

If we refer to network slice, we need to cite 3GPP TR 28.801 V1.0.0 (2017-0=
3).
It defines a network slice instance as: a set of network functions and the =
resources for these network functions which are arranged and configured, fo=
rming a complete logical network to meet certain network characteristics.

I see this definition fully aligned with yours.
BR,
Ricard

El 15/05/2017 a les 16:44, Leeyoung ha escrit:
> Hi Adrian and others,
>
> We'd like cross check with you on some terminology we introduced newly. A=
ny comment on these terms will be greatly appreciated.
>
> We introduced 'network slicing' as follows:
>
>          Network slicing is a collection of resources
>          that are used to establish logically dedicated virtual networks
>          over TE networks. It allows a network provider to provide
>          dedicated virtual networks for application/customer over a
>          common network infrastructure. The logically dedicated
>          resources are a part of the larger common network
>          infrastructures that are shared among various network slice
>          instances which are the end-to-end realization of network
>          slicing, consisting of the combination of physically or
>          logically dedicated resources.
>
>
> Thanks.
> Young and Daniele
> -----Original Message-----
> From: Leeyoung
> Sent: Friday, May 05, 2017 1:41 PM
> To: teas@ietf.org
> Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
> Hi,
>
> This update is intended to incorporate the comments from the last WG meet=
ing and any pending issues. We also have taken the global editorial changes=
 to make it consistent through the document. Major changes are:
>
> - Inclusion of "network slicing" definition from ACTN perspective (in=20
> the terminology section)
> - Added virtual network service (VNS) section (Section 3) to define types=
 of VNS.
> - Incorporated "orchestration" (service/network) mapping to ACTN=20
> architecture (See Section 5.2)
> - Created a new section 6 (Topology Abstraction Method) where we=20
> imported some texts from ACTN abstraction method =20
> https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
> - Added Appendices A & B to discuss example deployment scenarios such=20
> as example of MDSC and PNC functions integrated in Service/Network=20
> Orchestrator (Appendix A) and example of IP + Optical network with=20
> L3VPN service (Appendix B)
>
> In regard to ACTN abstraction method draft, we are going to keep it as a =
separate draft and use this document to elaborate other aspects not importe=
d to the framework document.
>
> The following diff pointer will help you see the changes with this revisi=
on:
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
> The co-authors believe that the document is ready for WG LC. Any changes/=
comments will be appreciated.
>
> Thanks & Best regards,
> Young & Daniele (on behalf of other co-authors/contributors)
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of=20
> internet-drafts@ietf.org
> Sent: Friday, May 05, 2017 10:41 AM
> To: i-d-announce@ietf.org
> Cc: teas@ietf.org
> Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
> A New Internet-Draft is available from the on-line Internet-Drafts direct=
ories.
> This draft is a work item of the Traffic Engineering Architecture and Sig=
naling of the IETF.
>
>          Title           : Framework for Abstraction and Control of Traff=
ic Engineered Networks
>          Authors         : Daniele Ceccarelli
>                            Young Lee
> 	Filename        : draft-ietf-teas-actn-framework-05.txt
> 	Pages           : 41
> 	Date            : 2017-05-05
>
> Abstract:
>     Traffic Engineered networks have a variety of mechanisms to
>     facilitate the separation of the data plane and control plane. They
>     also have a range of management and provisioning protocols to
>     configure and activate network resources.  These mechanisms
>     represent key technologies for enabling flexible and dynamic
>     networking.
>
>     Abstraction of network resources is a technique that can be applied
>     to a single network domain or across multiple domains to create a
>     single virtualized network that is under the control of a network
>     operator or the customer of the operator that actually owns
>     the network resources.
>
>     This document provides a framework for Abstraction and Control of
>     Traffic Engineered Networks (ACTN).
>
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>
> Please note that it may take a couple of minutes from the time of submiss=
ion 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/
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas

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From: Leeyoung <leeyoung@huawei.com>
To: Igor Bryskin <Igor.Bryskin@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
Thread-Index: AQHSzY7/1JWHEI0p7UixIBEphRDKtqH1hiPA
Date: Mon, 15 May 2017 15:49:58 +0000
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi Igor,

We don't actually assume that a virtual network given to the customer is al=
ways shared resources with other virtual networks. We have specific custome=
r requirement on VN sharing/isolation. Some customers will require a strict=
 isolation of their virtual network from other virtual networks while other=
s would not require such restriction/isolation requirement. I think that is=
 what you have in mind.=20

Thanks.
Young

-----Original Message-----
From: Igor Bryskin=20
Sent: Monday, May 15, 2017 10:22 AM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Young,

The word "virtual" in virtual networks implies a common infrastructure shar=
ed by said networks. For example, traditional L3 VPNs share or may share IP=
/MPLS TE tunnels inter-connecting the VPNs PEs, that's why they are "virtua=
l" private networks (just appear private to the clients, but in fact, they =
are not).

IMHO IP/MPLS slices are genuinely private IP/MPLS networks, because in the =
IP/MPLS layer they are completely isolated (in both control and data planes=
). They may share underlying transport layer(s), but they do not share thei=
r own layer infrastructure.

So, I would define layer network slices as dynamically managed fully isolat=
ed in control and data planes private TE layer networks, which may share on=
e or more underlying server layer networks, i.e. I suggest taking the word =
"virtual" out of the definition.

Cheers,
Igor

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: Monday, May 15, 2017 10:45 AM
To: teas@ietf.org; adrian@olddog.co.uk
Subject: [Teas] terminology discussion network slicing

Hi Adrian and others,=20

We'd like cross check with you on some terminology we introduced newly. Any=
 comment on these terms will be greatly appreciated.=20

We introduced 'network slicing' as follows:=20

        Network slicing is a collection of resources
        that are used to establish logically dedicated virtual networks
        over TE networks. It allows a network provider to provide
        dedicated virtual networks for application/customer over a
        common network infrastructure. The logically dedicated
        resources are a part of the larger common network
        infrastructures that are shared among various network slice
        instances which are the end-to-end realization of network
        slicing, consisting of the combination of physically or
        logically dedicated resources.


Thanks.
Young and Daniele=20
-----Original Message-----
From: Leeyoung=20
Sent: Friday, May 05, 2017 1:41 PM
To: teas@ietf.org
Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt

Hi,

This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:

- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)
- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.
- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)=20
- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01=20
- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)

In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.=20

The following diff pointer will help you see the changes with this revision=
:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20

The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.=20

Thanks & Best regards,
Young & Daniele (on behalf of other co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 05, 2017 10:41 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

_______________________________________________
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https://www.ietf.org/mailman/listinfo/teas


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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Leeyoung'" <leeyoung@huawei.com>, "'Ricard Vilalta'" <ricard.vilalta@cttc.es>, <teas@ietf.org>
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Subject: Re: [Teas] terminology discussion network slicing
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I think a solution here might be to prefix Young's text with the words "In the
context of ACTN,"

That is, we can see that given the current scope and capabilities of ACTN, the
architecture can deliver a set of netslicing features that Young describes.
Whether this is the whole spread of netslicing or not need not be a debate for
an ACTN document. Indeed, I would suggest that having that discussion in an ACTN
document is neither a good idea nor likely to be productive.

Let the ACTN document describe what ACTN can do. Let other documents define what
netslicing is.

Cheers,
Adrian

> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
> Sent: 15 May 2017 16:49
> To: Ricard Vilalta; teas@ietf.org
> Subject: Re: [Teas] terminology discussion network slicing
> 
> Hi Ricard,
> 
> Thanks for your pointer. I just wanted to clarify that the network slicing
definition
> we are proposing is from the TE network stand point (L0-L3 TE networks).
> 
> Best regards,
> Young
> 
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Ricard Vilalta
> Sent: Monday, May 15, 2017 10:37 AM
> To: teas@ietf.org
> Subject: Re: [Teas] terminology discussion network slicing
> 
> Dear Young, all,
> 
> If we refer to network slice, we need to cite 3GPP TR 28.801 V1.0.0 (2017-03).
> It defines a network slice instance as: a set of network functions and the
> resources for these network functions which are arranged and configured,
> forming a complete logical network to meet certain network characteristics.
> 
> I see this definition fully aligned with yours.
> BR,
> Ricard
> 
> El 15/05/2017 a les 16:44, Leeyoung ha escrit:
> > Hi Adrian and others,
> >
> > We'd like cross check with you on some terminology we introduced newly. Any
> comment on these terms will be greatly appreciated.
> >
> > We introduced 'network slicing' as follows:
> >
> >          Network slicing is a collection of resources
> >          that are used to establish logically dedicated virtual networks
> >          over TE networks. It allows a network provider to provide
> >          dedicated virtual networks for application/customer over a
> >          common network infrastructure. The logically dedicated
> >          resources are a part of the larger common network
> >          infrastructures that are shared among various network slice
> >          instances which are the end-to-end realization of network
> >          slicing, consisting of the combination of physically or
> >          logically dedicated resources.
> >
> >
> > Thanks.
> > Young and Daniele
> > -----Original Message-----
> > From: Leeyoung
> > Sent: Friday, May 05, 2017 1:41 PM
> > To: teas@ietf.org
> > Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
> >
> > Hi,
> >
> > This update is intended to incorporate the comments from the last WG meeting
> and any pending issues. We also have taken the global editorial changes to
make
> it consistent through the document. Major changes are:
> >
> > - Inclusion of "network slicing" definition from ACTN perspective (in
> > the terminology section)
> > - Added virtual network service (VNS) section (Section 3) to define types of
> VNS.
> > - Incorporated "orchestration" (service/network) mapping to ACTN
> > architecture (See Section 5.2)
> > - Created a new section 6 (Topology Abstraction Method) where we
> > imported some texts from ACTN abstraction method
> > https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
> > - Added Appendices A & B to discuss example deployment scenarios such
> > as example of MDSC and PNC functions integrated in Service/Network
> > Orchestrator (Appendix A) and example of IP + Optical network with
> > L3VPN service (Appendix B)
> >
> > In regard to ACTN abstraction method draft, we are going to keep it as a
> separate draft and use this document to elaborate other aspects not imported
to
> the framework document.
> >
> > The following diff pointer will help you see the changes with this revision:
> > https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
> >
> > The co-authors believe that the document is ready for WG LC. Any
> changes/comments will be appreciated.
> >
> > Thanks & Best regards,
> > Young & Daniele (on behalf of other co-authors/contributors)
> >
> > -----Original Message-----
> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of
> > internet-drafts@ietf.org
> > Sent: Friday, May 05, 2017 10:41 AM
> > To: i-d-announce@ietf.org
> > Cc: teas@ietf.org
> > Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
> >
> >
> > A New Internet-Draft is available from the on-line Internet-Drafts
directories.
> > This draft is a work item of the Traffic Engineering Architecture and
Signaling of
> the IETF.
> >
> >          Title           : Framework for Abstraction and Control of Traffic
Engineered
> Networks
> >          Authors         : Daniele Ceccarelli
> >                            Young Lee
> > 	Filename        : draft-ietf-teas-actn-framework-05.txt
> > 	Pages           : 41
> > 	Date            : 2017-05-05
> >
> > Abstract:
> >     Traffic Engineered networks have a variety of mechanisms to
> >     facilitate the separation of the data plane and control plane. They
> >     also have a range of management and provisioning protocols to
> >     configure and activate network resources.  These mechanisms
> >     represent key technologies for enabling flexible and dynamic
> >     networking.
> >
> >     Abstraction of network resources is a technique that can be applied
> >     to a single network domain or across multiple domains to create a
> >     single virtualized network that is under the control of a network
> >     operator or the customer of the operator that actually owns
> >     the network resources.
> >
> >     This document provides a framework for Abstraction and Control of
> >     Traffic Engineered Networks (ACTN).
> >
> >
> >
> > The IETF datatracker status page for this draft is:
> > https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
> >
> > There are also htmlized versions available at:
> > https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
> > https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> > 5
> >
> > A diff from the previous version is available at:
> > https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
> >
> >
> > 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/
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> 
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
> 
> _______________________________________________
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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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Young,

If two VPNs use separate IP/MPLS TE tunnels, one misbehaved VPN can still a=
ffect the other (in either control or data planes). This is not good enough=
 fot 5g.

If the two VPNs use separate wires/lease lines connecting PEs of the two VP=
Ns, they would become PNs, rather than VPNs (in Soviet Union we used to say=
 that if my grandmother would have one thing she would be my grandfather, n=
ot grandmother :=3D).

In 5G c0ntext we need separation of PNs and manageability of VPNs, which co=
uld be achieved with network slices - we replace wires/lease lines of PNs w=
ith L0/L1 TE tunnels provided by possibly common transport network.

Igoe

-----Original Message-----
From: Leeyoung=20
Sent: Monday, May 15, 2017 11:50 AM
To: Igor Bryskin; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Igor,

We don't actually assume that a virtual network given to the customer is al=
ways shared resources with other virtual networks. We have specific custome=
r requirement on VN sharing/isolation. Some customers will require a strict=
 isolation of their virtual network from other virtual networks while other=
s would not require such restriction/isolation requirement. I think that is=
 what you have in mind.=20

Thanks.
Young

-----Original Message-----
From: Igor Bryskin=20
Sent: Monday, May 15, 2017 10:22 AM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Young,

The word "virtual" in virtual networks implies a common infrastructure shar=
ed by said networks. For example, traditional L3 VPNs share or may share IP=
/MPLS TE tunnels inter-connecting the VPNs PEs, that's why they are "virtua=
l" private networks (just appear private to the clients, but in fact, they =
are not).

IMHO IP/MPLS slices are genuinely private IP/MPLS networks, because in the =
IP/MPLS layer they are completely isolated (in both control and data planes=
). They may share underlying transport layer(s), but they do not share thei=
r own layer infrastructure.

So, I would define layer network slices as dynamically managed fully isolat=
ed in control and data planes private TE layer networks, which may share on=
e or more underlying server layer networks, i.e. I suggest taking the word =
"virtual" out of the definition.

Cheers,
Igor

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: Monday, May 15, 2017 10:45 AM
To: teas@ietf.org; adrian@olddog.co.uk
Subject: [Teas] terminology discussion network slicing

Hi Adrian and others,=20

We'd like cross check with you on some terminology we introduced newly. Any=
 comment on these terms will be greatly appreciated.=20

We introduced 'network slicing' as follows:=20

        Network slicing is a collection of resources
        that are used to establish logically dedicated virtual networks
        over TE networks. It allows a network provider to provide
        dedicated virtual networks for application/customer over a
        common network infrastructure. The logically dedicated
        resources are a part of the larger common network
        infrastructures that are shared among various network slice
        instances which are the end-to-end realization of network
        slicing, consisting of the combination of physically or
        logically dedicated resources.


Thanks.
Young and Daniele=20
-----Original Message-----
From: Leeyoung=20
Sent: Friday, May 05, 2017 1:41 PM
To: teas@ietf.org
Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt

Hi,

This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:

- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)
- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.
- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)=20
- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01=20
- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)

In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.=20

The following diff pointer will help you see the changes with this revision=
:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20

The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.=20

Thanks & Best regards,
Young & Daniele (on behalf of other co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 05, 2017 10:41 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

_______________________________________________
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Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


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From: Gert Grammel <ggrammel@juniper.net>
To: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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From: Leeyoung <leeyoung@huawei.com>
To: Gert Grammel <ggrammel@juniper.net>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
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Date: Mon, 15 May 2017 21:49:19 +0000
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Subject: Re: [Teas] terminology discussion  network slicing
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From: Leeyoung <leeyoung@huawei.com>
To: Igor Bryskin <Igor.Bryskin@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
Thread-Index: AQHSzY7/1JWHEI0p7UixIBEphRDKtqH1hiPAgACK+oD//94M4A==
Date: Mon, 15 May 2017 21:58:54 +0000
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References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD00786390993A19A@SJCEML702-CHM.china.huawei.com> <7AEB3D6833318045B4AE71C2C87E8E172B2CA69F@SJCEML702-CHM.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD00786390993A20C@SJCEML702-CHM.china.huawei.com>
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi Igor,

I think I share with your view. Please see inline for my comment.

Thanks.
Young

-----Original Message-----
From: Igor Bryskin=20
Sent: Monday, May 15, 2017 11:51 AM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Young,

If two VPNs use separate IP/MPLS TE tunnels, one misbehaved VPN can still a=
ffect the other (in either control or data planes). This is not good enough=
 fot 5g.

YOUNG>> I agree.=20

If the two VPNs use separate wires/lease lines connecting PEs of the two VP=
Ns, they would become PNs, rather than VPNs (in Soviet Union we used to say=
 that if my grandmother would have one thing she would be my grandfather, n=
ot grandmother :=3D).

YOUNG>> Yes. I see your point.=20

In 5G c0ntext we need separation of PNs and manageability of VPNs, which co=
uld be achieved with network slices - we replace wires/lease lines of PNs w=
ith L0/L1 TE tunnels provided by possibly common transport network.

YOUNG>> I did not mean VPN to be always shared. If you make some analogy wi=
th VTNS (Virtual Transport Network Service, defined by OIF), VTNS does not =
necessarily allow resources allocated among the customers to be shared as V=
TNS is defined in L1/L0 environment; however, it uses "virtual" in its term=
. So I think when we say "virtual network service" we need to make this poi=
nt clear - we don't necessarily assume it is shared with many customer inst=
ances. That is why "isolation" requirement needs to be attached when a VN M=
UST be isolated physically from other VNs. Of course, some other VNs, this =
can be relaxed depending on the customer applications.=20

Igoe

-----Original Message-----
From: Leeyoung=20
Sent: Monday, May 15, 2017 11:50 AM
To: Igor Bryskin; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Igor,

We don't actually assume that a virtual network given to the customer is al=
ways shared resources with other virtual networks. We have specific custome=
r requirement on VN sharing/isolation. Some customers will require a strict=
 isolation of their virtual network from other virtual networks while other=
s would not require such restriction/isolation requirement. I think that is=
 what you have in mind.=20

Thanks.
Young

-----Original Message-----
From: Igor Bryskin=20
Sent: Monday, May 15, 2017 10:22 AM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Young,

The word "virtual" in virtual networks implies a common infrastructure shar=
ed by said networks. For example, traditional L3 VPNs share or may share IP=
/MPLS TE tunnels inter-connecting the VPNs PEs, that's why they are "virtua=
l" private networks (just appear private to the clients, but in fact, they =
are not).

IMHO IP/MPLS slices are genuinely private IP/MPLS networks, because in the =
IP/MPLS layer they are completely isolated (in both control and data planes=
). They may share underlying transport layer(s), but they do not share thei=
r own layer infrastructure.

So, I would define layer network slices as dynamically managed fully isolat=
ed in control and data planes private TE layer networks, which may share on=
e or more underlying server layer networks, i.e. I suggest taking the word =
"virtual" out of the definition.

Cheers,
Igor

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: Monday, May 15, 2017 10:45 AM
To: teas@ietf.org; adrian@olddog.co.uk
Subject: [Teas] terminology discussion network slicing

Hi Adrian and others,=20

We'd like cross check with you on some terminology we introduced newly. Any=
 comment on these terms will be greatly appreciated.=20

We introduced 'network slicing' as follows:=20

        Network slicing is a collection of resources
        that are used to establish logically dedicated virtual networks
        over TE networks. It allows a network provider to provide
        dedicated virtual networks for application/customer over a
        common network infrastructure. The logically dedicated
        resources are a part of the larger common network
        infrastructures that are shared among various network slice
        instances which are the end-to-end realization of network
        slicing, consisting of the combination of physically or
        logically dedicated resources.


Thanks.
Young and Daniele=20
-----Original Message-----
From: Leeyoung=20
Sent: Friday, May 05, 2017 1:41 PM
To: teas@ietf.org
Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt

Hi,

This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:

- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)
- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.
- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)=20
- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01=20
- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)

In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.=20

The following diff pointer will help you see the changes with this revision=
:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20

The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.=20

Thanks & Best regards,
Young & Daniele (on behalf of other co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 05, 2017 10:41 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


From nobody Mon May 15 15:45:49 2017
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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
Thread-Index: AdLNibwU9LLkPQ+KR4i49jploFvNwAAAj3bgABBmfAAADPtQwP///zkAgABsdoA=
Date: Mon, 15 May 2017 22:42:36 +0000
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References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD00786390993A19A@SJCEML702-CHM.china.huawei.com> <7AEB3D6833318045B4AE71C2C87E8E172B2CA69F@SJCEML702-CHM.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD00786390993A20C@SJCEML702-CHM.china.huawei.com> <7AEB3D6833318045B4AE71C2C87E8E172B2CA79D@SJCEML702-CHM.china.huawei.com>
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Subject: Re: [Teas] terminology discussion  network slicing
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Young,

You said :
" That is why "isolation" requirement needs to be attached when a VN MUST b=
e isolated physically from other VNs. Of course, some other VNs, this can b=
e relaxed depending on the customer applications."

But if two VNs are physically separated, what is virtual or logical about t=
hese networks? They are just two separate private networks. If you arrange =
dynamic re-configuration and manipulation of such networks (which includes =
the extent to which the networks share underlying transport), you will addr=
ess the network slicing objectives IMHO.


Igor



-----Original Message-----
From: Leeyoung=20
Sent: Monday, May 15, 2017 5:59 PM
To: Igor Bryskin; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Igor,

I think I share with your view. Please see inline for my comment.

Thanks.
Young

-----Original Message-----
From: Igor Bryskin=20
Sent: Monday, May 15, 2017 11:51 AM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Young,

If two VPNs use separate IP/MPLS TE tunnels, one misbehaved VPN can still a=
ffect the other (in either control or data planes). This is not good enough=
 fot 5g.

YOUNG>> I agree.=20

If the two VPNs use separate wires/lease lines connecting PEs of the two VP=
Ns, they would become PNs, rather than VPNs (in Soviet Union we used to say=
 that if my grandmother would have one thing she would be my grandfather, n=
ot grandmother :=3D).

YOUNG>> Yes. I see your point.=20

In 5G c0ntext we need separation of PNs and manageability of VPNs, which co=
uld be achieved with network slices - we replace wires/lease lines of PNs w=
ith L0/L1 TE tunnels provided by possibly common transport network.

YOUNG>> I did not mean VPN to be always shared. If you make some analogy wi=
th VTNS (Virtual Transport Network Service, defined by OIF), VTNS does not =
necessarily allow resources allocated among the customers to be shared as V=
TNS is defined in L1/L0 environment; however, it uses "virtual" in its term=
. So I think when we say "virtual network service" we need to make this poi=
nt clear - we don't necessarily assume it is shared with many customer inst=
ances. That is why "isolation" requirement needs to be attached when a VN M=
UST be isolated physically from other VNs. Of course, some other VNs, this =
can be relaxed depending on the customer applications.=20

Igoe

-----Original Message-----
From: Leeyoung=20
Sent: Monday, May 15, 2017 11:50 AM
To: Igor Bryskin; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Igor,

We don't actually assume that a virtual network given to the customer is al=
ways shared resources with other virtual networks. We have specific custome=
r requirement on VN sharing/isolation. Some customers will require a strict=
 isolation of their virtual network from other virtual networks while other=
s would not require such restriction/isolation requirement. I think that is=
 what you have in mind.=20

Thanks.
Young

-----Original Message-----
From: Igor Bryskin=20
Sent: Monday, May 15, 2017 10:22 AM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: RE: [Teas] terminology discussion network slicing

Hi Young,

The word "virtual" in virtual networks implies a common infrastructure shar=
ed by said networks. For example, traditional L3 VPNs share or may share IP=
/MPLS TE tunnels inter-connecting the VPNs PEs, that's why they are "virtua=
l" private networks (just appear private to the clients, but in fact, they =
are not).

IMHO IP/MPLS slices are genuinely private IP/MPLS networks, because in the =
IP/MPLS layer they are completely isolated (in both control and data planes=
). They may share underlying transport layer(s), but they do not share thei=
r own layer infrastructure.

So, I would define layer network slices as dynamically managed fully isolat=
ed in control and data planes private TE layer networks, which may share on=
e or more underlying server layer networks, i.e. I suggest taking the word =
"virtual" out of the definition.

Cheers,
Igor

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: Monday, May 15, 2017 10:45 AM
To: teas@ietf.org; adrian@olddog.co.uk
Subject: [Teas] terminology discussion network slicing

Hi Adrian and others,=20

We'd like cross check with you on some terminology we introduced newly. Any=
 comment on these terms will be greatly appreciated.=20

We introduced 'network slicing' as follows:=20

        Network slicing is a collection of resources
        that are used to establish logically dedicated virtual networks
        over TE networks. It allows a network provider to provide
        dedicated virtual networks for application/customer over a
        common network infrastructure. The logically dedicated
        resources are a part of the larger common network
        infrastructures that are shared among various network slice
        instances which are the end-to-end realization of network
        slicing, consisting of the combination of physically or
        logically dedicated resources.


Thanks.
Young and Daniele=20
-----Original Message-----
From: Leeyoung=20
Sent: Friday, May 05, 2017 1:41 PM
To: teas@ietf.org
Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt

Hi,

This update is intended to incorporate the comments from the last WG meetin=
g and any pending issues. We also have taken the global editorial changes t=
o make it consistent through the document. Major changes are:

- Inclusion of "network slicing" definition from ACTN perspective (in the t=
erminology section)
- Added virtual network service (VNS) section (Section 3) to define types o=
f VNS.
- Incorporated "orchestration" (service/network) mapping to ACTN architectu=
re (See Section 5.2)=20
- Created a new section 6 (Topology Abstraction Method) where we imported s=
ome texts from ACTN abstraction method  https://tools.ietf.org/html/draft-l=
ee-teas-actn-abstraction-01=20
- Added Appendices A & B to discuss example deployment scenarios such as ex=
ample of MDSC and PNC functions integrated in Service/Network Orchestrator =
(Appendix A) and example of IP + Optical network with L3VPN service (Append=
ix B)

In regard to ACTN abstraction method draft, we are going to keep it as a se=
parate draft and use this document to elaborate other aspects not imported =
to the framework document.=20

The following diff pointer will help you see the changes with this revision=
:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20

The co-authors believe that the document is ready for WG LC. Any changes/co=
mments will be appreciated.=20

Thanks & Best regards,
Young & Daniele (on behalf of other co-authors/contributors)

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf=
.org
Sent: Friday, May 05, 2017 10:41 AM
To: i-d-announce@ietf.org
Cc: teas@ietf.org
Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt


A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
This draft is a work item of the Traffic Engineering Architecture and Signa=
ling of the IETF.

        Title           : Framework for Abstraction and Control of Traffic =
Engineered Networks
        Authors         : Daniele Ceccarelli
                          Young Lee
	Filename        : draft-ietf-teas-actn-framework-05.txt
	Pages           : 41
	Date            : 2017-05-05

Abstract:
   Traffic Engineered networks have a variety of mechanisms to
   facilitate the separation of the data plane and control plane. They
   also have a range of management and provisioning protocols to
   configure and activate network resources.  These mechanisms
   represent key technologies for enabling flexible and dynamic
   networking.

   Abstraction of network resources is a technique that can be applied
   to a single network domain or across multiple domains to create a
   single virtualized network that is under the control of a network
   operator or the customer of the operator that actually owns
   the network resources.

   This document provides a framework for Abstraction and Control of
   Traffic Engineered Networks (ACTN).



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05


Please note that it may take a couple of minutes from the time of submissio=
n 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/

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas


From nobody Mon May 15 18:20:40 2017
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From: Mach Chen <mach.chen@huawei.com>
To: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>, "rtg-ads@ietf.org" <rtg-ads@ietf.org>
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Thread-Topic: RtgDir review: draft-ietf-teas-gmpls-lsp-fastreroute-07.txt 
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Subject: Re: [Teas] RtgDir review: draft-ietf-teas-gmpls-lsp-fastreroute-07.txt
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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
To: Mach Chen <mach.chen@huawei.com>, "rtg-ads@ietf.org" <rtg-ads@ietf.org>
CC: "rtg-dir@ietf.org" <rtg-dir@ietf.org>, "draft-ietf-teas-gmpls-lsp-fastreroute@ietf.org" <draft-ietf-teas-gmpls-lsp-fastreroute@ietf.org>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: RtgDir review: draft-ietf-teas-gmpls-lsp-fastreroute-07.txt 
Thread-Index: AdLK+gfIqIAOQbYnRBmcL0Kch3fKmAAIzWCAABUaawAAa3iuMAAX10yAABjRMXAAAjZ2AA==
Date: Tue, 16 May 2017 01:20:45 +0000
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References: <F73A3CB31E8BE34FA1BBE3C8F0CB2AE2917EBC27@dggeml508-mbx.china.huawei.com> <846F8191-581F-4193-AA28-AB178CD2EE8B@cisco.com> <0D96224E-C123-4434-8309-CB7E984CCB1D@cisco.com> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE2917F53B3@dggeml508-mbx.china.huawei.com> <B6277E47-F8A5-47C7-BBEE-C02C6ED23541@cisco.com> <F73A3CB31E8BE34FA1BBE3C8F0CB2AE2917F63DF@dggeml508-mbx.china.huawei.com>
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Subject: Re: [Teas] RtgDir review: draft-ietf-teas-gmpls-lsp-fastreroute-07.txt
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From: "Belotti, Sergio (Nokia - IT/Vimercate)" <sergio.belotti@nokia.com>
To: Gert Grammel <ggrammel@juniper.net>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/KIZsEQvi0sHsrEzzBHkZSfZry-U>
Subject: Re: [Teas] terminology discussion  network slicing
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X-List-Received-Date: Tue, 16 May 2017 10:10:20 -0000

Hi Gert,

"Thinking a bit about it I came to the point where "VPN" and "network slice=
s" seem to describe the same entity or at least a "network slice" being a V=
PN of VPNs?"

I share completely your conclusion , I'd like if someone can explain if a d=
ifference really exists .

Thanks
Sergio


-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
Sent: Monday, May 15, 2017 7:02 PM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Leeyoung,

Thank you for taking a stab on this. Usually when getting to a definition, =
I try to establish what kind of existing constructs would fall under the de=
finition. If my understanding is correct, the following list of constructs =
would all satisfy the definition somehow.=20
- A TDM network with a p2p TDM connection
- A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
- An MPLS LSP using a traffic engineered IP network
- A L2VPN using a traffic engineered MPLS network
- A L3VPN using a traffic engineered IP network
- A TCP connection using a traffic engineered IP network
- Different QoS classes in an IP network

Thinking a bit about it I came to the point where "VPN" and "network slices=
" seem to describe the same entity or at least a "network slice" being a VP=
N of VPNs?

Gert


On 2017-05-17, 16:44, "Teas on behalf of Leeyoung" <teas-bounces@ietf.org o=
n behalf of leeyoung@huawei.com> wrote:

    Hi Adrian and others,=20
   =20
    We'd like cross check with you on some terminology we introduced newly.=
 Any comment on these terms will be greatly appreciated.=20
   =20
    We introduced 'network slicing' as follows:=20
   =20
            Network slicing is a collection of resources
            that are used to establish logically dedicated virtual networks
            over TE networks. It allows a network provider to provide
            dedicated virtual networks for application/customer over a
            common network infrastructure. The logically dedicated
            resources are a part of the larger common network
            infrastructures that are shared among various network slice
            instances which are the end-to-end realization of network
            slicing, consisting of the combination of physically or
            logically dedicated resources.
   =20
   =20
    Thanks.
    Young and Daniele=20
    -----Original Message-----
    From: Leeyoung=20
    Sent: Friday, May 05, 2017 1:41 PM
    To: teas@ietf.org
    Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
   =20
    Hi,
   =20
    This update is intended to incorporate the comments from the last WG me=
eting and any pending issues. We also have taken the global editorial chang=
es to make it consistent through the document. Major changes are:
   =20
    - Inclusion of "network slicing" definition from ACTN perspective (in t=
he terminology section)
    - Added virtual network service (VNS) section (Section 3) to define typ=
es of VNS.
    - Incorporated "orchestration" (service/network) mapping to ACTN archit=
ecture (See Section 5.2)=20
    - Created a new section 6 (Topology Abstraction Method) where we import=
ed some texts from ACTN abstraction method  https://tools.ietf.org/html/dra=
ft-lee-teas-actn-abstraction-01=20
    - Added Appendices A & B to discuss example deployment scenarios such a=
s example of MDSC and PNC functions integrated in Service/Network Orchestra=
tor (Appendix A) and example of IP + Optical network with L3VPN service (Ap=
pendix B)
   =20
    In regard to ACTN abstraction method draft, we are going to keep it as =
a separate draft and use this document to elaborate other aspects not impor=
ted to the framework document.=20
   =20
    The following diff pointer will help you see the changes with this revi=
sion:
    https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20
   =20
    The co-authors believe that the document is ready for WG LC. Any change=
s/comments will be appreciated.=20
   =20
    Thanks & Best regards,
    Young & Daniele (on behalf of other co-authors/contributors)
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@=
ietf.org
    Sent: Friday, May 05, 2017 10:41 AM
    To: i-d-announce@ietf.org
    Cc: teas@ietf.org
    Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
   =20
   =20
    A New Internet-Draft is available from the on-line Internet-Drafts dire=
ctories.
    This draft is a work item of the Traffic Engineering Architecture and S=
ignaling of the IETF.
   =20
            Title           : Framework for Abstraction and Control of Traf=
fic Engineered Networks
            Authors         : Daniele Ceccarelli
                              Young Lee
    	Filename        : draft-ietf-teas-actn-framework-05.txt
    	Pages           : 41
    	Date            : 2017-05-05
   =20
    Abstract:
       Traffic Engineered networks have a variety of mechanisms to
       facilitate the separation of the data plane and control plane. They
       also have a range of management and provisioning protocols to
       configure and activate network resources.  These mechanisms
       represent key technologies for enabling flexible and dynamic
       networking.
   =20
       Abstraction of network resources is a technique that can be applied
       to a single network domain or across multiple domains to create a
       single virtualized network that is under the control of a network
       operator or the customer of the operator that actually owns
       the network resources.
   =20
       This document provides a framework for Abstraction and Control of
       Traffic Engineered Networks (ACTN).
   =20
   =20
   =20
    The IETF datatracker status page for this draft is:
    https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
   =20
    There are also htmlized versions available at:
    https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
    https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05
   =20
    A diff from the previous version is available at:
    https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
   =20
   =20
    Please note that it may take a couple of minutes from the time of submi=
ssion until the htmlized version and diff are available at tools.ietf.org.
   =20
    Internet-Drafts are also available by anonymous FTP at:
    ftp://ftp.ietf.org/internet-drafts/
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20
    _______________________________________________
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   =20

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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: "Belotti, Sergio (Nokia - IT/Vimercate)" <sergio.belotti@nokia.com>, "Gert Grammel" <ggrammel@juniper.net>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
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Date: Tue, 16 May 2017 12:27:00 +0000
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi Sergio,

I would also like to hear more from network slicing experts.

My understanding is that the difference in the separation (in terms of cont=
rol and data planes, security, etc.). For example, traditional BGP based L3=
 VPNs (that use provider's common control plane for their management and IP=
/MPLS TE tunnels to inter-connect their PEs) will probably not be able guar=
antee for the clients msec range connectivity setup times required by 5g, w=
hile provided by the same provider fully separated/genuinely private IP/MPL=
S networks (that do not share IP/MPLS control plane and infrastructure, who=
se network topology is supported by separate L0/L1 connections) hopefully w=
ill be able to provide such guarantees. Therefore, I define layer network s=
lices as dynamically managed fully isolated in control and data planes priv=
ate TE layer networks, which may share one or more underlying server layer =
networks.


Cheers,
Igor
=20



-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio (Nok=
ia - IT/Vimercate)
Sent: Tuesday, May 16, 2017 6:08 AM
To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Hi Gert,

"Thinking a bit about it I came to the point where "VPN" and "network slice=
s" seem to describe the same entity or at least a "network slice" being a V=
PN of VPNs?"

I share completely your conclusion , I'd like if someone can explain if a d=
ifference really exists .

Thanks
Sergio


-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
Sent: Monday, May 15, 2017 7:02 PM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Leeyoung,

Thank you for taking a stab on this. Usually when getting to a definition, =
I try to establish what kind of existing constructs would fall under the de=
finition. If my understanding is correct, the following list of constructs =
would all satisfy the definition somehow.=20
- A TDM network with a p2p TDM connection
- A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
- An MPLS LSP using a traffic engineered IP network
- A L2VPN using a traffic engineered MPLS network
- A L3VPN using a traffic engineered IP network
- A TCP connection using a traffic engineered IP network
- Different QoS classes in an IP network

Thinking a bit about it I came to the point where "VPN" and "network slices=
" seem to describe the same entity or at least a "network slice" being a VP=
N of VPNs?

Gert


On 2017-05-17, 16:44, "Teas on behalf of Leeyoung" <teas-bounces@ietf.org o=
n behalf of leeyoung@huawei.com> wrote:

    Hi Adrian and others,=20
   =20
    We'd like cross check with you on some terminology we introduced newly.=
 Any comment on these terms will be greatly appreciated.=20
   =20
    We introduced 'network slicing' as follows:=20
   =20
            Network slicing is a collection of resources
            that are used to establish logically dedicated virtual networks
            over TE networks. It allows a network provider to provide
            dedicated virtual networks for application/customer over a
            common network infrastructure. The logically dedicated
            resources are a part of the larger common network
            infrastructures that are shared among various network slice
            instances which are the end-to-end realization of network
            slicing, consisting of the combination of physically or
            logically dedicated resources.
   =20
   =20
    Thanks.
    Young and Daniele=20
    -----Original Message-----
    From: Leeyoung=20
    Sent: Friday, May 05, 2017 1:41 PM
    To: teas@ietf.org
    Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
   =20
    Hi,
   =20
    This update is intended to incorporate the comments from the last WG me=
eting and any pending issues. We also have taken the global editorial chang=
es to make it consistent through the document. Major changes are:
   =20
    - Inclusion of "network slicing" definition from ACTN perspective (in t=
he terminology section)
    - Added virtual network service (VNS) section (Section 3) to define typ=
es of VNS.
    - Incorporated "orchestration" (service/network) mapping to ACTN archit=
ecture (See Section 5.2)=20
    - Created a new section 6 (Topology Abstraction Method) where we import=
ed some texts from ACTN abstraction method  https://tools.ietf.org/html/dra=
ft-lee-teas-actn-abstraction-01=20
    - Added Appendices A & B to discuss example deployment scenarios such a=
s example of MDSC and PNC functions integrated in Service/Network Orchestra=
tor (Appendix A) and example of IP + Optical network with L3VPN service (Ap=
pendix B)
   =20
    In regard to ACTN abstraction method draft, we are going to keep it as =
a separate draft and use this document to elaborate other aspects not impor=
ted to the framework document.=20
   =20
    The following diff pointer will help you see the changes with this revi=
sion:
    https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05=20
   =20
    The co-authors believe that the document is ready for WG LC. Any change=
s/comments will be appreciated.=20
   =20
    Thanks & Best regards,
    Young & Daniele (on behalf of other co-authors/contributors)
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@=
ietf.org
    Sent: Friday, May 05, 2017 10:41 AM
    To: i-d-announce@ietf.org
    Cc: teas@ietf.org
    Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
   =20
   =20
    A New Internet-Draft is available from the on-line Internet-Drafts dire=
ctories.
    This draft is a work item of the Traffic Engineering Architecture and S=
ignaling of the IETF.
   =20
            Title           : Framework for Abstraction and Control of Traf=
fic Engineered Networks
            Authors         : Daniele Ceccarelli
                              Young Lee
    	Filename        : draft-ietf-teas-actn-framework-05.txt
    	Pages           : 41
    	Date            : 2017-05-05
   =20
    Abstract:
       Traffic Engineered networks have a variety of mechanisms to
       facilitate the separation of the data plane and control plane. They
       also have a range of management and provisioning protocols to
       configure and activate network resources.  These mechanisms
       represent key technologies for enabling flexible and dynamic
       networking.
   =20
       Abstraction of network resources is a technique that can be applied
       to a single network domain or across multiple domains to create a
       single virtualized network that is under the control of a network
       operator or the customer of the operator that actually owns
       the network resources.
   =20
       This document provides a framework for Abstraction and Control of
       Traffic Engineered Networks (ACTN).
   =20
   =20
   =20
    The IETF datatracker status page for this draft is:
    https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
   =20
    There are also htmlized versions available at:
    https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
    https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05
   =20
    A diff from the previous version is available at:
    https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
   =20
   =20
    Please note that it may take a couple of minutes from the time of submi=
ssion until the htmlized version and diff are available at tools.ietf.org.
   =20
    Internet-Drafts are also available by anonymous FTP at:
    ftp://ftp.ietf.org/internet-drafts/
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20

_______________________________________________
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_______________________________________________
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From: Lou Berger <lberger@labn.net>
To: Igor Bryskin <igor.bryskin@huawei.com>, "Belotti, Sergio (Nokia - IT/Vimercate)" <sergio.belotti@nokia.com>, Gert Grammel <ggrammel@juniper.net>, Leeyoung <leeyoung@huawei.com>, <teas@ietf.org>, <adrian@olddog.co.uk>
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Subject: Re: [Teas] terminology discussion  network slicing
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Perhaps it's time to bring the discussion to the slicing list and report 
back their reaponse....

Lou


On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:

> Hi Sergio,
>
> I would also like to hear more from network slicing experts.
>
> My understanding is that the difference in the separation (in terms of 
> control and data planes, security, etc.). For example, traditional BGP 
> based L3 VPNs (that use provider's common control plane for their 
> management and IP/MPLS TE tunnels to inter-connect their PEs) will probably 
> not be able guarantee for the clients msec range connectivity setup times 
> required by 5g, while provided by the same provider fully 
> separated/genuinely private IP/MPLS networks (that do not share IP/MPLS 
> control plane and infrastructure, whose network topology is supported by 
> separate L0/L1 connections) hopefully will be able to provide such 
> guarantees. Therefore, I define layer network slices as dynamically managed 
> fully isolated in control and data planes private TE layer networks, which 
> may share one or more underlying server layer networks.
>
>
> Cheers,
> Igor
>
>
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio 
> (Nokia - IT/Vimercate)
> Sent: Tuesday, May 16, 2017 6:08 AM
> To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi Gert,
>
> "Thinking a bit about it I came to the point where "VPN" and "network 
> slices" seem to describe the same entity or at least a "network slice" 
> being a VPN of VPNs?"
>
> I share completely your conclusion , I'd like if someone can explain if a 
> difference really exists .
>
> Thanks
> Sergio
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> Sent: Monday, May 15, 2017 7:02 PM
> To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Leeyoung,
>
> Thank you for taking a stab on this. Usually when getting to a definition, 
> I try to establish what kind of existing constructs would fall under the 
> definition. If my understanding is correct, the following list of 
> constructs would all satisfy the definition somehow.
> - A TDM network with a p2p TDM connection
> - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> - An MPLS LSP using a traffic engineered IP network
> - A L2VPN using a traffic engineered MPLS network
> - A L3VPN using a traffic engineered IP network
> - A TCP connection using a traffic engineered IP network
> - Different QoS classes in an IP network
>
> Thinking a bit about it I came to the point where "VPN" and "network 
> slices" seem to describe the same entity or at least a "network slice" 
> being a VPN of VPNs?
>
> Gert
>
>
> On 2017-05-17, 16:44, "Teas on behalf of Leeyoung" <teas-bounces@ietf.org 
> on behalf of leeyoung@huawei.com> wrote:
>
>     Hi Adrian and others,
>
>     We'd like cross check with you on some terminology we introduced newly. Any 
>     comment on these terms will be greatly appreciated.
>
>     We introduced 'network slicing' as follows:
>
>             Network slicing is a collection of resources
>             that are used to establish logically dedicated virtual networks
>             over TE networks. It allows a network provider to provide
>             dedicated virtual networks for application/customer over a
>             common network infrastructure. The logically dedicated
>             resources are a part of the larger common network
>             infrastructures that are shared among various network slice
>             instances which are the end-to-end realization of network
>             slicing, consisting of the combination of physically or
>             logically dedicated resources.
>
>
>     Thanks.
>     Young and Daniele
>     -----Original Message-----
>     From: Leeyoung
>     Sent: Friday, May 05, 2017 1:41 PM
>     To: teas@ietf.org
>     Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>     Hi,
>
>     This update is intended to incorporate the comments from the last WG 
>     meeting and any pending issues. We also have taken the global editorial 
>     changes to make it consistent through the document. Major changes are:
>
>     - Inclusion of "network slicing" definition from ACTN perspective (in the 
>     terminology section)
>     - Added virtual network service (VNS) section (Section 3) to define types 
>     of VNS.
>     - Incorporated "orchestration" (service/network) mapping to ACTN 
>     architecture (See Section 5.2)
>     - Created a new section 6 (Topology Abstraction Method) where we imported 
>     some texts from ACTN abstraction method  
>     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>     - Added Appendices A & B to discuss example deployment scenarios such as 
>     example of MDSC and PNC functions integrated in Service/Network 
>     Orchestrator (Appendix A) and example of IP + Optical network with L3VPN 
>     service (Appendix B)
>
>     In regard to ACTN abstraction method draft, we are going to keep it as a 
>     separate draft and use this document to elaborate other aspects not 
>     imported to the framework document.
>
>     The following diff pointer will help you see the changes with this revision:
>     https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
>
>     The co-authors believe that the document is ready for WG LC. Any 
>     changes/comments will be appreciated.
>
>     Thanks & Best regards,
>     Young & Daniele (on behalf of other co-authors/contributors)
>
>     -----Original Message-----
>     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf.org
>     Sent: Friday, May 05, 2017 10:41 AM
>     To: i-d-announce@ietf.org
>     Cc: teas@ietf.org
>     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
>     A New Internet-Draft is available from the on-line Internet-Drafts directories.
>     This draft is a work item of the Traffic Engineering Architecture and 
>     Signaling of the IETF.
>
>             Title           : Framework for Abstraction and Control of Traffic 
>             Engineered Networks
>             Authors         : Daniele Ceccarelli
>                               Young Lee
>     	Filename        : draft-ietf-teas-actn-framework-05.txt
>     	Pages           : 41
>     	Date            : 2017-05-05
>
>     Abstract:
>        Traffic Engineered networks have a variety of mechanisms to
>        facilitate the separation of the data plane and control plane. They
>        also have a range of management and provisioning protocols to
>        configure and activate network resources.  These mechanisms
>        represent key technologies for enabling flexible and dynamic
>        networking.
>
>        Abstraction of network resources is a technique that can be applied
>        to a single network domain or across multiple domains to create a
>        single virtualized network that is under the control of a network
>        operator or the customer of the operator that actually owns
>        the network resources.
>
>        This document provides a framework for Abstraction and Control of
>        Traffic Engineered Networks (ACTN).
>
>
>
>     The IETF datatracker status page for this draft is:
>     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>     There are also htmlized versions available at:
>     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>     https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05
>
>     A diff from the previous version is available at:
>     https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
>
>
>     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/
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>



From nobody Tue May 16 07:36:38 2017
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From: Leeyoung <leeyoung@huawei.com>
To: Lou Berger <lberger@labn.net>, Igor Bryskin <Igor.Bryskin@huawei.com>, "Belotti, Sergio (Nokia - IT/Vimercate)" <sergio.belotti@nokia.com>, "Gert Grammel" <ggrammel@juniper.net>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi,

This argument if network slicing =3D vpn has been discussed in the network =
slicing mailing list. If I recall correctly, network slicing =3D! vpn. Plea=
se check out the archives of the network slicing list (NetSlices@ietf.org) =
if you are interested in this topic. I would say network slicing is bigger =
than vpn in its scope, one of which Igor pointed out.=20

Thanks,
Young

-----Original Message-----
From: Lou Berger [mailto:lberger@labn.net]=20
Sent: Tuesday, May 16, 2017 8:35 AM
To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - IT/Vim=
ercate) <sergio.belotti@nokia.com>; Gert Grammel <ggrammel@juniper.net>; Le=
eyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Perhaps it's time to bring the discussion to the slicing list and report ba=
ck their reaponse....

Lou


On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:

> Hi Sergio,
>
> I would also like to hear more from network slicing experts.
>
> My understanding is that the difference in the separation (in terms of=20
> control and data planes, security, etc.). For example, traditional BGP=20
> based L3 VPNs (that use provider's common control plane for their=20
> management and IP/MPLS TE tunnels to inter-connect their PEs) will=20
> probably not be able guarantee for the clients msec range connectivity=20
> setup times required by 5g, while provided by the same provider fully=20
> separated/genuinely private IP/MPLS networks (that do not share=20
> IP/MPLS control plane and infrastructure, whose network topology is=20
> supported by separate L0/L1 connections) hopefully will be able to=20
> provide such guarantees. Therefore, I define layer network slices as=20
> dynamically managed fully isolated in control and data planes private=20
> TE layer networks, which may share one or more underlying server layer ne=
tworks.
>
>
> Cheers,
> Igor
>
>
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio=20
> (Nokia - IT/Vimercate)
> Sent: Tuesday, May 16, 2017 6:08 AM
> To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi Gert,
>
> "Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?"
>
> I share completely your conclusion , I'd like if someone can explain=20
> if a difference really exists .
>
> Thanks
> Sergio
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> Sent: Monday, May 15, 2017 7:02 PM
> To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Leeyoung,
>
> Thank you for taking a stab on this. Usually when getting to a=20
> definition, I try to establish what kind of existing constructs would=20
> fall under the definition. If my understanding is correct, the=20
> following list of constructs would all satisfy the definition somehow.
> - A TDM network with a p2p TDM connection
> - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> - An MPLS LSP using a traffic engineered IP network
> - A L2VPN using a traffic engineered MPLS network
> - A L3VPN using a traffic engineered IP network
> - A TCP connection using a traffic engineered IP network
> - Different QoS classes in an IP network
>
> Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?
>
> Gert
>
>
> On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
> <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
>
>     Hi Adrian and others,
>
>     We'd like cross check with you on some terminology we introduced newl=
y. Any=20
>     comment on these terms will be greatly appreciated.
>
>     We introduced 'network slicing' as follows:
>
>             Network slicing is a collection of resources
>             that are used to establish logically dedicated virtual networ=
ks
>             over TE networks. It allows a network provider to provide
>             dedicated virtual networks for application/customer over a
>             common network infrastructure. The logically dedicated
>             resources are a part of the larger common network
>             infrastructures that are shared among various network slice
>             instances which are the end-to-end realization of network
>             slicing, consisting of the combination of physically or
>             logically dedicated resources.
>
>
>     Thanks.
>     Young and Daniele
>     -----Original Message-----
>     From: Leeyoung
>     Sent: Friday, May 05, 2017 1:41 PM
>     To: teas@ietf.org
>     Subject: RE: [Teas] I-D Action:=20
> draft-ietf-teas-actn-framework-05.txt
>
>     Hi,
>
>     This update is intended to incorporate the comments from the last WG=
=20
>     meeting and any pending issues. We also have taken the global editori=
al=20
>     changes to make it consistent through the document. Major changes are=
:
>
>     - Inclusion of "network slicing" definition from ACTN perspective (in=
 the=20
>     terminology section)
>     - Added virtual network service (VNS) section (Section 3) to define t=
ypes=20
>     of VNS.
>     - Incorporated "orchestration" (service/network) mapping to ACTN=20
>     architecture (See Section 5.2)
>     - Created a new section 6 (Topology Abstraction Method) where we impo=
rted=20
>     some texts from ACTN abstraction method =20
>     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>     - Added Appendices A & B to discuss example deployment scenarios such=
 as=20
>     example of MDSC and PNC functions integrated in Service/Network=20
>     Orchestrator (Appendix A) and example of IP + Optical network with L3=
VPN=20
>     service (Appendix B)
>
>     In regard to ACTN abstraction method draft, we are going to keep it a=
s a=20
>     separate draft and use this document to elaborate other aspects not=20
>     imported to the framework document.
>
>     The following diff pointer will help you see the changes with this re=
vision:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>     The co-authors believe that the document is ready for WG LC. Any=20
>     changes/comments will be appreciated.
>
>     Thanks & Best regards,
>     Young & Daniele (on behalf of other co-authors/contributors)
>
>     -----Original Message-----
>     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-draft=
s@ietf.org
>     Sent: Friday, May 05, 2017 10:41 AM
>     To: i-d-announce@ietf.org
>     Cc: teas@ietf.org
>     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
>     A New Internet-Draft is available from the on-line Internet-Drafts di=
rectories.
>     This draft is a work item of the Traffic Engineering Architecture and=
=20
>     Signaling of the IETF.
>
>             Title           : Framework for Abstraction and Control of Tr=
affic=20
>             Engineered Networks
>             Authors         : Daniele Ceccarelli
>                               Young Lee
>     	Filename        : draft-ietf-teas-actn-framework-05.txt
>     	Pages           : 41
>     	Date            : 2017-05-05
>
>     Abstract:
>        Traffic Engineered networks have a variety of mechanisms to
>        facilitate the separation of the data plane and control plane. The=
y
>        also have a range of management and provisioning protocols to
>        configure and activate network resources.  These mechanisms
>        represent key technologies for enabling flexible and dynamic
>        networking.
>
>        Abstraction of network resources is a technique that can be applie=
d
>        to a single network domain or across multiple domains to create a
>        single virtualized network that is under the control of a network
>        operator or the customer of the operator that actually owns
>        the network resources.
>
>        This document provides a framework for Abstraction and Control of
>        Traffic Engineered Networks (ACTN).
>
>
>
>     The IETF datatracker status page for this draft is:
>     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>     There are also htmlized versions available at:
>     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>    =20
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
>     A diff from the previous version is available at:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>
>     Please note that it may take a couple of minutes from the time of=20
>     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/
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>



From nobody Tue May 16 08:22:46 2017
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From: "Kiran.Makhijani" <Kiran.Makhijani@huawei.com>
To: Leeyoung <leeyoung@huawei.com>, Lou Berger <lberger@labn.net>, "Igor Bryskin" <Igor.Bryskin@huawei.com>, "Belotti, Sergio (Nokia - IT/Vimercate)" <sergio.belotti@nokia.com>, Gert Grammel <ggrammel@juniper.net>, "teas@ietf.org" <teas@ietf.org>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>
CC: "NetSlices@ietf.org" <NetSlices@ietf.org>
Thread-Topic: [Teas] terminology discussion  network slicing
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Date: Tue, 16 May 2017 15:18:04 +0000
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Subject: Re: [Teas] terminology discussion  network slicing
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Thread-Topic: IETF TE Topology YANG Model Design Meeting Notes - 2017-05-10
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/yKb-jMTt17_eGem7ex39XHLV6to>
Subject: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-10
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Attendees: Igor, Xufeng, Carlo, Dieter

- Discussed a few new bugs and feedbacks from implementers
  > inter-layer-lock-id should allow a list instead of a single leaf
      +--rw tunnel-termination-point* [tunnel-tp-id]
         +--rw tunnel-tp-id                           binary
         +--rw config
         |  +--rw switching-capability?        identityref
         |  +--rw encoding?                    identityref
-         |  +--rw inter-layer-lock-id?         uint32
+         |  +--rw inter-layer-lock-id*         uint32
         |  +--rw protection-type?             identityref
         |  +--rw client-layer-adaptation

augment /nw:networks/nw:network/nw:node/nt:termination-point:
   +--rw te-tp-id?   te-types:te-tp-id
   +--rw te!
      +--rw config
      |  +--rw interface-switching-capability* [switching-capability encodi=
ng]
      |  |  +--rw switching-capability    identityref
      |  |  +--rw encoding                identityref
      |  |  +--rw max-lsp-bandwidth* [priority]
      |  |     +--rw priority     uint8
      |  |     +--rw bandwidth?   te-bandwidth
-      |  +--rw inter-layer-lock-id?              uint32
+      |  +--rw inter-layer-lock-id*              uint32

  > Add missing TTPs to underlay tunnel

augment /nw:networks/nw:network/nt:link:
   +--rw te!
      +--rw config
      |  +--rw te-link-attributes
      |     +--rw underlay! {te-topology-hierarchy}?
      |     |  +--rw primary-path
      |     |  +--rw backup-path* [index]
      |     |  +--rw protection-type?   uint16
+      |     |  +--rw tunnel-termination-points
+      |     |  |  +--rw source?            binary
+      |     |  |  +--rw destination?       binary
      |     |  +--rw tunnels
      |     |     +--rw sharing?   boolean
      |     |     +--rw tunnel* [tunnel-name]
      |     |        +--rw tunnel-name    string
      |     |        +--rw sharing?       boolean

  > Add name, admin-status, oper-status to LTP and TTP

augment /nw:networks/nw:network/nw:node:
   +--rw te-node-id?   te-types:te-node-id
   +--rw te!
      +--rw config
      |  +--rw te-node-template*     leafref {template}?
      |  +--rw te-node-attributes
      |     +--rw admin-status?            te-types:te-admin-status
      |     +--rw name?                    inet:domain-name
      +--rw tunnel-termination-point* [tunnel-tp-id]
         +--rw tunnel-tp-id                           binary
         +--rw config
+         |  +--rw admin-status?                te-types:te-admin-status
+         |  +--rw name?                        string
         |  +--rw switching-capability?        identityref
         +--ro state
+         |  +--ro admin-status?                te-types:te-admin-status
+         |  +--ro name?                        string
+         |  +--ro oper-status?                 te-types:te-oper-status
         |  +--ro switching-capability?        identityref

augment /nw:networks/nw:network/nw:node/nt:termination-point:
   +--rw te-tp-id?   te-types:te-tp-id
   +--rw te!
      +--rw config
      |  +--rw interface-switching-capability* [switching-capability encodi=
ng]
+      |  +--rw admin-status?                te-types:te-admin-status
+      |  +--rw name?                        string
      +--ro state
      |  +--ro interface-switching-capability* [switching-capability encodi=
ng]
+      |  +--ro admin-status?                te-types:te-admin-status
+      |  +--ro name?                        string
+      |  +--ro oper-status?                 te-types:te-oper-status

  > Handling of connectivity-metrix label regen, splitting and merging

      |     +--rw connectivity-matrices
      |     |  +--rw number-of-entries?         uint16
      |     |  +--rw is-allowed?                boolean
      |     |  +--rw label-restriction* [inclusive-exclusive label-start]
      |     |  |  +--rw inclusive-exclusive    enumeration
      |     |  |  +--rw label-start            rt-types:generalized-label
      |     |  |  +--rw label-end?             rt-types:generalized-label
      |     |  |  +--rw range-bitmap?          binary
      |     |  +--rw underlay! {te-topology-hierarchy}?
      |     |  +--rw max-lsp-bandwidth* [priority]
      |     |  +--rw connectivity-matrix* [id]
      |     |     +--rw id                         uint32
      |     |     +--rw from
      |     |     |  +--rw tp-ref?   leafref
+     |     |        +--rw label-restriction* [inclusive-exclusive label-st=
art]
+     |     |        |  +--rw inclusive-exclusive    enumeration
+     |     |        |  +--rw label-start            rt-types:generalized-l=
abel
+     |     |        |  +--rw label-end?             rt-types:generalized-l=
abel
+     |     |        |  +--rw range-bitmap?          binary
      |     |     +--rw to
      |     |     |  +--rw tp-ref?   leafref
+     |     |        +--rw label-restriction* [inclusive-exclusive label-st=
art]
+     |     |        |  +--rw inclusive-exclusive    enumeration
+     |     |        |  +--rw label-start            rt-types:generalized-l=
abel
+     |     |        |  +--rw label-end?             rt-types:generalized-l=
abel
+     |     |        |  +--rw range-bitmap?          binary
      |     |     +--rw is-allowed?                boolean
-     |     |     +--rw label-restriction* [inclusive-exclusive label-start=
]
-     |     |     |  +--rw inclusive-exclusive    enumeration
-     |     |     |  +--rw label-start            rt-types:generalized-labe=
l
-     |     |     |  +--rw label-end?             rt-types:generalized-labe=
l
-     |     |     |  +--rw range-bitmap?          Binary

Thanks,

- Xufeng

Note: Please drop me an email if you need an invite for joining the weekly =
call.

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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Attendees: Igor, Xufeng, Carlo, Dieter<o:p></o:p></p=
>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Discussed a few new bugs and feedbacks from implem=
enters <o:p>
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&gt; inter-layer-lock-id should allow a =
list instead of a single leaf<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw tunnel-term=
ination-point* [tunnel-tp-id]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#4=
3;--rw tunnel-tp-id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp; binary<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#4=
3;--rw config<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp; &#43;--rw switching-capability?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp; &#43;--rw encoding?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; identityref=
<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&=
nbsp; &#43;--rw inter-layer-lock-id?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; |&nbsp; &#43;--rw inter-layer-lock-id*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp; &#43;--rw protection-type?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp; &#43;--rw client-layer-adaptation<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">augment /nw:networks/nw:network/nw:node/nt:terminati=
on-point:<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te-tp-id?&nbsp;&nbsp; te-type=
s:te-tp-id<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te!<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw config<o:p>=
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw int=
erface-switching-capability* [switching-capability encoding]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;=
--rw switching-capability&nbsp;&nbsp;&nbsp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;=
--rw encoding&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;=
--rw max-lsp-bandwidth* [priority]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp;&nbsp;=
&nbsp;&nbsp; &#43;--rw priority&nbsp;&nbsp;&nbsp;&nbsp; uint8<o:p></o:p></p=
>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp;&nbsp;=
&nbsp;&nbsp; &#43;--rw bandwidth?&nbsp;&nbsp; te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw in=
ter-layer-lock-id?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--r=
w inter-layer-lock-id*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Add missing TTPs to underlay tunnel<o:p>=
</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">augment /nw:networks/nw:network/nt:link:<o:p></o:p><=
/p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te!<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw config<o:p>=
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw te-=
link-attributes<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; &#43;--rw underlay! {te-topology-hierarchy}?<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw primary-path<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw backup-path* [index]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw protection-type?&nbsp;&nbsp; uint16<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nb=
sp;&nbsp; |&nbsp; &#43;--rw tunnel-termination-points<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nb=
sp;&nbsp; |&nbsp; |&nbsp; &#43;--rw source?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; binary<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nb=
sp;&nbsp; |&nbsp; |&nbsp; &#43;--rw destination?&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp; binary<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw tunnels<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw sharing?&nbsp;&nbsp; boolean<o:p><=
/o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw tunnel* [tunnel-name]<o:p></o:p></=
p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw tunnel-name&nbsp=
;&nbsp;&nbsp; string<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw sharing?&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Add name, admin-status, oper-status to L=
TP and TTP <o:p>
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<o:p></o:p></p>
<p class=3D"MsoNormal">augment /nw:networks/nw:network/nw:node:<o:p></o:p><=
/p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te-node-id?&nbsp;&nbsp; te-ty=
pes:te-node-id<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te!<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw config<o:p>=
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw te-=
node-template*&nbsp;&nbsp;&nbsp;&nbsp; leafref {template}?<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw te-=
node-attributes<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; &#43;--rw admin-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp; te-types:te-admin-status<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; &#43;--rw name?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;inet:domain-nam=
e<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw tunnel-term=
ination-point* [tunnel-tp-id]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#4=
3;--rw tunnel-tp-id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp; binary<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#4=
3;--rw config<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; |&nbsp; &#43;--rw admin-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; te-types:te-admin-status<o=
:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; |&nbsp; &#43;--rw name?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; string<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp; &#43;--rw switching-capability?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#4=
3;--ro state<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; |&nbsp; &#43;--ro admin-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; te-types:te-admin-status<o=
:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; |&nbsp; &#43;--ro name?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; string<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; |&nbsp; &#43;--ro oper-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; te-types:te-oper-stat=
us<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&n=
bsp; &#43;--ro switching-capability?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">augment /nw:networks/nw:network/nw:node/nt:terminati=
on-point:<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te-tp-id?&nbsp;&nbsp; te-type=
s:te-tp-id<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te!<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&#43;--rw config<o:p>=
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw int=
erface-switching-capability* [switching-capability encoding]<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--r=
w admin-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; te-types:te-admin-status<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--r=
w name?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; stri=
ng<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--ro state<o:p><=
/o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro int=
erface-switching-capability* [switching-capability encoding]<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--r=
o admin-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; te-types:te-admin-status<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--r=
o name?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; stri=
ng<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--r=
o oper-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; te-types:te-oper-status<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Handling of connectivity-metrix label re=
gen, splitting and merging<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; &#43;--rw connectivity-matrices<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw number-of-entries?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp; uint16<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw is-allowed?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw label-restriction* [inclusive-exclusive label-start]=
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; |&nbsp; &#43;--rw inclusive-exclusive&nbsp;&nbsp;&nbsp; enumer=
ation<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; |&nbsp; &#43;--rw label-start&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rt-types:generalized-label<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; |&nbsp; &#43;--rw label-end?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rt-types:generalized-label<o:p></o:p=
></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; |&nbsp; &#43;--rw range-bitmap?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp; binary<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw underlay! {te-topology-hierarchy}?<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw max-lsp-bandwidth* [priority]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw connectivity-matrix* [id]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw from<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw tp-ref?&nbsp;&nbsp; leafre=
f<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw label-restriction=
* [inclusive-exclusive label-start]<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw inclusive=
-exclusive&nbsp;&nbsp;&nbsp; enumeration<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw label-sta=
rt&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rt-typ=
es:generalized-label<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw label-end=
?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; r=
t-types:generalized-label<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw range-bit=
map?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; binary<o:p></o:p=
></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw to<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw tp-ref?&nbsp; &nbsp;leafre=
f<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw label-restriction=
* [inclusive-exclusive label-start]<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw inclusive=
-exclusive&nbsp;&nbsp;&nbsp; enumeration<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw label-sta=
rt&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rt-typ=
es:generalized-label<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw label-end=
?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; r=
t-types:generalized-label<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nb=
sp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw range-bit=
map?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; binary<o:p></o:p=
></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw is-allowed?&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean=
<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw label-restriction* [inclusive-exclusive=
 label-start]<o:p></o:p></p>
<p class=3D"MsoNormal">- &nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw inclusive-exclusive&nbsp;&nbsp;=
&nbsp; enumeration<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw label-start&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rt-types:generalized-label<o=
:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw label-end?&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rt-types:generalized-la=
bel<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&nbsp; =
|&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw range-bitmap?&nbsp; &nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Binary<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Xufeng<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Note: Please drop me an email if you need an invite =
for joining the weekly call.<o:p></o:p></p>
</div>
</body>
</html>

--_000_CY1PR0201MB087560963A8FABE6960F3773F1E60CY1PR0201MB0875_--


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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Wed, 17 May 2017 05:25:03 -0400
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Subject: Re: [Teas] WG adoption poll - draft-gandhishah-teas-assoc-corouted-bidir
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--f403045ddae8ff0220054fb4dc33
Content-Type: text/plain; charset="UTF-8"

All,
    The WG poll is closed.

Authors,
    Please republish draft-gandhishah-teas-assoc-corouted-bidir-04 as
draft-ietf-teas-assoc-corouted-bidir-00 with only the date and file name
changed,

Thanks,
- Pavan and Lou.

On Wed, Apr 26, 2017 at 10:47 PM, Vishnu Pavan Beeram <vishnupavan@gmail.com
> wrote:

> All,
>
> This is start of a two week poll on making
> draft-gandhishah-teas-assoc-corouted-bidir-04 a TEAS working group
> document.
> Please send email to the list indicating "yes/support" or "no/do not
> support". If indicating no, please state your reservations with the
> document. If yes, please also feel free to provide comments you'd
> like to see addressed once the document is a WG document.
>
> Note: an IPR disclosure has been made on this document, see
> https://datatracker.ietf.org/ipr/2781/
>
> The poll ends May 10th.
>
> Thanks,
> Pavan and Lou
>

--f403045ddae8ff0220054fb4dc33
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">All,<br>
=C2=A0 =C2=A0 The <span class=3D"gmail-m_9108289493544933363m_1579588270423=
477153gmail-il">WG</span> <span class=3D"gmail-m_9108289493544933363m_15795=
88270423477153gmail-il"><span class=3D"gmail-il">poll</span></span> is <spa=
n class=3D"gmail-m_9108289493544933363m_1579588270423477153gmail-il"><span =
class=3D"gmail-il">closed</span></span>.<br>
<br>
Authors,<br>
=C2=A0 =C2=A0 Please republish draft-gandhishah-teas-assoc-corouted-bidir-0=
4 as draft-ietf-teas-assoc-corouted-bidir-00 with only the date and file na=
me changed,<br><br><div class=3D"gmail_extra">Thanks,<br></div>- Pavan and =
Lou.</div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Wed,=
 Apr 26, 2017 at 10:47 PM, Vishnu Pavan Beeram <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:vishnupavan@gmail.com" target=3D"_blank">vishnupavan@gmail.com<=
/a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:=
0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">Al=
l,<br>
<br>
This is start of a two week <span class=3D"m_7760760961053449657gmail-m_665=
1965171312383315gmail-m_-4970325699456606657gmail-m_5924377258605667843gmai=
l-il">poll</span> on making <br>draft-gandhishah-teas-assoc-<wbr>corouted-b=
idir-04 a TEAS working group document. <br>Please send email to the list in=
dicating &quot;yes/support&quot; or &quot;no/do not<br>
support&quot;. If indicating no, please state your reservations with the<br=
>
document. If yes, please also feel free to provide comments you&#39;d<br>
like to see addressed once the document is a WG document.<br>
<br>Note: an IPR disclosure has been made on this document, see<br><a href=
=3D"https://datatracker.ietf.org/ipr/2781/" target=3D"_blank">https://datat=
racker.ietf.org/<wbr>ipr/2781/</a><br><br>
The <span class=3D"m_7760760961053449657gmail-m_6651965171312383315gmail-m_=
-4970325699456606657gmail-m_5924377258605667843gmail-il">poll</span> ends M=
ay 10th.<br>
<br>
Thanks,<br>
Pavan and Lou</div>
</blockquote></div><br></div>

--f403045ddae8ff0220054fb4dc33--


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From: "Tarek Saad (tsaad)" <tsaad@cisco.com>
To: Lou Berger <lberger@labn.net>, TEAS WG <teas@ietf.org>
CC: TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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Date: Wed, 17 May 2017 12:44:57 +0000
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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Wed, 17 May 2017 16:19:01 -0400
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Subject: [Teas] Fwd: FW: Regarding IPR on draft-ietf-teas-network-assigned-upstream-label
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Fwding Gert's response.



*From: *Gert Grammel <ggrammel@juniper.net>
*Date: *Wednesday, May 17, 2017 at 4:16 PM
*To: *Vishnu Pavan Beeram <vbeeram@juniper.net>
*Subject: *Re: [Teas] Regarding IPR on draft-ietf-teas-network-
assigned-upstream-label



No,



Not aware of any IPR



Gert







On Fri, Apr 28, 2017 at 6:04 PM, Lou Berger <lberger@labn.net> wrote:


Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
appropriate.

If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.



_______________________________________________
Teas mailing list
Teas@ietf.org
https://www.ietf.org/mailman/listinfo/teas

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<div dir=3D"ltr">Fwding Gert&#39;s response.<br><div><div class=3D"gmail_qu=
ote"><span style=3D"font-size:11.0pt;font-family:Calibri"></span><div bgcol=
or=3D"white" link=3D"blue" vlink=3D"purple" lang=3D"EN-US"><div class=3D"m_=
6717025837261384WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
><u></u>=C2=A0<u></u></span></p>
<div style=3D"border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-family:Calibri;color:black">F=
rom: </span>
</b><span style=3D"font-family:Calibri;color:black">Gert Grammel &lt;<a hre=
f=3D"mailto:ggrammel@juniper.net" target=3D"_blank">ggrammel@juniper.net</a=
>&gt;<br>
<b>Date: </b>Wednesday, May 17, 2017 at 4:16 PM<br>
<b>To: </b>Vishnu Pavan Beeram &lt;<a href=3D"mailto:vbeeram@juniper.net" t=
arget=3D"_blank">vbeeram@juniper.net</a>&gt;<span class=3D""><br>
<b>Subject: </b>Re: [Teas] Regarding IPR on draft-ietf-teas-network-<wbr>as=
signed-upstream-label<u></u><u></u></span></span></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
 lang=3D"EN-GB">No,</span><span lang=3D"EN-GB"><u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
 lang=3D"EN-GB">=C2=A0</span><span lang=3D"EN-GB"><u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
 lang=3D"EN-GB">Not aware of any IPR</span><span lang=3D"EN-GB"><u></u><u><=
/u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
 lang=3D"EN-GB">=C2=A0</span><span lang=3D"EN-GB"><u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
 lang=3D"EN-GB">Gert</span><span lang=3D"EN-GB"><u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
 lang=3D"EN-GB">=C2=A0</span><span lang=3D"EN-GB"><u></u><u></u></span></p>=
<span style=3D"font-size:11.0pt;font-family:Calibri" lang=3D"EN-GB"></span>=
<span lang=3D"EN-GB"></span>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:Calibri"=
 lang=3D"EN-GB">=C2=A0</span><span lang=3D"EN-GB"><u></u><u></u></span></p>=
<span lang=3D"EN-GB"></span><div><div><div><div><div class=3D"h5">
<div>
<div>
<div>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">=C2=A0<u></u><u></u></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">On Fri, Apr 28, 2017 at 6:04 PM=
, Lou Berger &lt;<a href=3D"mailto:lberger@labn.net" target=3D"_blank">lber=
ger@labn.net</a>&gt; wrote:<u></u><u></u></span></p>
<blockquote style=3D"border:none;border-left:solid #cccccc 1.0pt;padding:0i=
n 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-=
bottom:5.0pt">
<p class=3D"MsoNormal"><span lang=3D"EN-GB"><br>
Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any IPR that applies to drafts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I&#39;m not aware of any IPR that applies to this draft&quot;<br>
or<br>
&quot;Yes, I&#39;m aware of IPR that applies to this draft&quot;<br>
<br>
If so, has this IPR been disclosed in compliance with IETF IPR rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the IPR has been disclosed in compliance with IETF IPR rules&quo=
t;<br>
or<br>
&quot;No, the IPR has not been disclosed&quot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
above by responding to this email regardless of whether or not you are<br>
aware of any relevant IPR. This document will not advance to the next<br>
stage until a response has been received from each author and listed<br>
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE&#39;S<=
br>
TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed<br=
>
as an author or contributor, we remind you of your obligations under<br>
the IETF IPR rules which encourages you to notify the IETF if you are<br>
aware of IPR of others on an IETF contribution, or to refrain from<br>
participating in any contribution or discussion related to your<br>
undisclosed IPR. For more information, please see the RFCs listed above<br>
and<br>
<a href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProp=
erty" target=3D"_blank">http://trac.tools.ietf.org/<wbr>group/iesg/trac/wik=
i/<wbr>IntellectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your<br>
response.<br>
<br>
<br>
<br>
______________________________<wbr>_________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<wbr>listinfo/teas</a><u></u><u></u></span></p>
</blockquote>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-GB">=C2=A0<u></u><u></u></span></p>
</div>
</div>
</div>
</div>
</div>
</div>
</div></div></div>
</div>
</div>
</div>
</div>
</div>
</div>

</div><br></div></div>

--001a1142fff0c7a20c054fbdff69--


From nobody Thu May 18 08:49:59 2017
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From: Liaison Statement Management Tool <lsmt@ietf.org>
To: "Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>, "Julien Meuric" <julien.meuric@orange.com>, "Jonathan Hardwick" <jonathan.hardwick@metaswitch.com>, "Fatai Zhang" <zhangfatai@huawei.com>, "George Swallow" <swallow.ietf@gmail.com>, "Nicolai Leymann" <n.leymann@telekom.de>, "Loa Andersson" <loa@pi.nu>, "Lou Berger" <lberger@labn.net>, "Vishnu Pavan Beeram" <vbeeram@juniper.net>, "JP Vasseur" <jpv@cisco.com>
Cc: Alvaro Retana <aretana@cisco.com>, Deborah Brungard <db3546@att.com>, david.sinicrope@ericsson.com, Julien Meuric <julien.meuric@orange.com>, Multiprotocol Label Switching Discussion List <mpls@ietf.org>, David Sinicrope <david.sinicrope@ericsson.com>, Jonathan Hardwick <jonathan.hardwick@metaswitch.com>, Fatai Zhang <zhangfatai@huawei.com>, George Swallow <swallow.ietf@gmail.com>,  Path Computation Element Discussion List <pce@ietf.org>, Vishnu Beeram <vbeeram@juniper.net>, Alia Atlas <akatlas@gmail.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Traffic Engineering Architecture and Signaling Discussion List <teas@ietf.org>, Loa Andersson <loa@pi.nu>, Lou Berger <lberger@labn.net>, Common Control and Measurement Plane Discussion List <ccamp@ietf.org>, michael.fargano@centurylink.com, JP Vasseur <jpv@cisco.com>, Nicolai Leymann <n.leymann@telekom.de>
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Date: Thu, 18 May 2017 08:49:52 -0700
Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/jEQCzBsf9TJdPM2Axxn9wsKyWFk>
Subject: [Teas] New Liaison Statement, "Liaison to IETF on Flex Ethernet for IP/MPLS Networks"
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Title: Liaison to IETF on Flex Ethernet for IP/MPLS Networks
Submission Date: 2017-05-18
URL of the IETF Web page: https://datatracker.ietf.org/liaison/1523/

From: Michael Fargano <michael.fargano@centurylink.com>
To: Vishnu Pavan Beeram <vbeeram@juniper.net>, Lou Berger <lberger@labn.net>,Nicolai Leymann <n.leymann@telekom.de>,Loa Andersson <loa@pi.nu>,George Swallow <swallow.ietf@gmail.com>,Jonathan Hardwick <jonathan.hardwick@metaswitch.com>,JP Vasseur <jpv@cisco.com>,Julien Meuric <julien.meuric@orange.com>,Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>,Fatai Zhang <zhangfatai@huawei.com>
Cc: Alvaro Retana <aretana@cisco.com>,Deborah Brungard <db3546@att.com>,Julien Meuric <julien.meuric@orange.com>,Multiprotocol Label Switching Discussion List <mpls@ietf.org>,David Sinicrope <david.sinicrope@ericsson.com>,Jonathan Hardwick <jonathan.hardwick@metaswitch.com>,Fatai Zhang <zhangfatai@huawei.com>,George Swallow <swallow.ietf@gmail.com>,Path Computation Element Discussion List <pce@ietf.org>,JP Vasseur <jpv@cisco.com>,Vishnu Beeram <vbeeram@juniper.net>,Alia Atlas <akatlas@gmail.com>,Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>,Traffic Engineering Architecture and Signaling Discussion List <teas@ietf.org>,Loa Andersson <loa@pi.nu>,Lou Berger <lberger@labn.net>,Common Control and Measurement Plane Discussion List <ccamp@ietf.org>,Nicolai Leymann <n.leymann@telekom.de>
Response Contacts: michael.fargano@centurylink.com, david.sinicrope@ericsson.com
Technical Contacts: 
Purpose: For information

Body: At our 2017Q2 meeting in Taipei, the Broadband Forum initiated a new project entitled â€œApplicability of
Flex Ethernet in IP/MPLS Networksâ€. This project addresses the architecture, requirements and use cases in IP/MPLS networks to deploy Flex Ethernet (a.k.a. FlexE) as a new type of nodal interface.

OIF published â€œFlex Ethernet Implementation Agreementâ€ (IA OIF-FLEXE-01.0) in March 2016. Our
project intends to use FlexE and its related aspects specified by that document including data plane
characteristics and provisioning requirements in IP/MPLS networks, including:

â€¢ Interconnection between routers on FlexE interfaces in IP/MPLS networks.
â€¢ End-to-end MPLS LSPs on FlexE-based channels.
â€¢ Control plane protocols (e.g. RSVP-TE, PCEP) including their extensions and their applicability
aspects for managing FlexE based MPLS LSP.
â€¢ Aspects of using FlexE interfaces and FlexE-based MPLS LSP as a network slicing instance.
â€¢ Co-existence of FlexE-based and other data link based MPLS LSPs and their operation.
â€¢ New services and applications that FlexE-capable IP/MPLS networks can enable.

We are sending this liaison to inform you about our intention.

We noticed that there are IETF drafts at CCAMP WG that propose to use GMPLS protocols with extensions to support FlexE based MPLS LSP; we are interested in learning the progress and status of the progress.

Sincerely,
Michael Fargano,
Broadband Forum Technical Committee Chair
Attachments:

    Liaison to IETF CCAMP on FlexE-Cheng-Huawei
    https://www.ietf.org/lib/dt/documents/LIAISON/liaison-2017-05-18-broadband-forum-mpls-ccamp-pce-teas-liaison-to-ietf-on-flex-ethernet-for-ipmpls-networks-attachment-1.pdf


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Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi,

Lou is right. There is a dedicated email list for the discussion of "networ=
k slicing (cc'ed)" and the discussion about what that term means should be =
held on that list.=20

We have used similar language in draft-ietf-teas-actn-framework right from =
the
00 version. Recent changes have been an attempt to clarify what the termino=
logy means in the context of ACTN. We are not trying to define or redefine =
"network slicing" in the ACTN document, but are trying to make it clear how=
 ACTN works.

Therefore I propose the following resolution:

1. All discussion of the general applicability and definition of "network s=
licing" is held on the netslices mailing list.

2. We adopt Adrian's suggestion to explain that the scope of the definition=
 of the terms used in the ACTN framework is limited to ACTN. That means eff=
ectively that if there are components of a wider definition of network slic=
ing that are not supported by ACTN, that will be OK.=20

I propose to post an updated version in the next few days and I believe tha=
t will allow this draft to move ahead without being blocked by the discussi=
on in netslices. Once the IETF has a stable definition of network slicing w=
e can return and see how ACTN is applicable to that definition an whether m=
ore wok is need (in a separate draft).

Thanks,
Young

-----Original Message-----
From: Lou Berger [mailto:lberger@labn.net]=20
Sent: Tuesday, May 16, 2017 8:35 AM
To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - IT/Vim=
ercate) <sergio.belotti@nokia.com>; Gert Grammel <ggrammel@juniper.net>; Le=
eyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Perhaps it's time to bring the discussion to the slicing list and report ba=
ck their reaponse....

Lou


On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:

> Hi Sergio,
>
> I would also like to hear more from network slicing experts.
>
> My understanding is that the difference in the separation (in terms of=20
> control and data planes, security, etc.). For example, traditional BGP=20
> based L3 VPNs (that use provider's common control plane for their=20
> management and IP/MPLS TE tunnels to inter-connect their PEs) will=20
> probably not be able guarantee for the clients msec range connectivity=20
> setup times required by 5g, while provided by the same provider fully=20
> separated/genuinely private IP/MPLS networks (that do not share=20
> IP/MPLS control plane and infrastructure, whose network topology is=20
> supported by separate L0/L1 connections) hopefully will be able to=20
> provide such guarantees. Therefore, I define layer network slices as=20
> dynamically managed fully isolated in control and data planes private=20
> TE layer networks, which may share one or more underlying server layer ne=
tworks.
>
>
> Cheers,
> Igor
>
>
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio=20
> (Nokia - IT/Vimercate)
> Sent: Tuesday, May 16, 2017 6:08 AM
> To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi Gert,
>
> "Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?"
>
> I share completely your conclusion , I'd like if someone can explain=20
> if a difference really exists .
>
> Thanks
> Sergio
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> Sent: Monday, May 15, 2017 7:02 PM
> To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Leeyoung,
>
> Thank you for taking a stab on this. Usually when getting to a=20
> definition, I try to establish what kind of existing constructs would=20
> fall under the definition. If my understanding is correct, the=20
> following list of constructs would all satisfy the definition somehow.
> - A TDM network with a p2p TDM connection
> - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> - An MPLS LSP using a traffic engineered IP network
> - A L2VPN using a traffic engineered MPLS network
> - A L3VPN using a traffic engineered IP network
> - A TCP connection using a traffic engineered IP network
> - Different QoS classes in an IP network
>
> Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?
>
> Gert
>
>
> On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
> <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
>
>     Hi Adrian and others,
>
>     We'd like cross check with you on some terminology we introduced newl=
y. Any=20
>     comment on these terms will be greatly appreciated.
>
>     We introduced 'network slicing' as follows:
>
>             Network slicing is a collection of resources
>             that are used to establish logically dedicated virtual networ=
ks
>             over TE networks. It allows a network provider to provide
>             dedicated virtual networks for application/customer over a
>             common network infrastructure. The logically dedicated
>             resources are a part of the larger common network
>             infrastructures that are shared among various network slice
>             instances which are the end-to-end realization of network
>             slicing, consisting of the combination of physically or
>             logically dedicated resources.
>
>
>     Thanks.
>     Young and Daniele
>     -----Original Message-----
>     From: Leeyoung
>     Sent: Friday, May 05, 2017 1:41 PM
>     To: teas@ietf.org
>     Subject: RE: [Teas] I-D Action:=20
> draft-ietf-teas-actn-framework-05.txt
>
>     Hi,
>
>     This update is intended to incorporate the comments from the last WG=
=20
>     meeting and any pending issues. We also have taken the global editori=
al=20
>     changes to make it consistent through the document. Major changes are=
:
>
>     - Inclusion of "network slicing" definition from ACTN perspective (in=
 the=20
>     terminology section)
>     - Added virtual network service (VNS) section (Section 3) to define t=
ypes=20
>     of VNS.
>     - Incorporated "orchestration" (service/network) mapping to ACTN=20
>     architecture (See Section 5.2)
>     - Created a new section 6 (Topology Abstraction Method) where we impo=
rted=20
>     some texts from ACTN abstraction method =20
>     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>     - Added Appendices A & B to discuss example deployment scenarios such=
 as=20
>     example of MDSC and PNC functions integrated in Service/Network=20
>     Orchestrator (Appendix A) and example of IP + Optical network with L3=
VPN=20
>     service (Appendix B)
>
>     In regard to ACTN abstraction method draft, we are going to keep it a=
s a=20
>     separate draft and use this document to elaborate other aspects not=20
>     imported to the framework document.
>
>     The following diff pointer will help you see the changes with this re=
vision:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>     The co-authors believe that the document is ready for WG LC. Any=20
>     changes/comments will be appreciated.
>
>     Thanks & Best regards,
>     Young & Daniele (on behalf of other co-authors/contributors)
>
>     -----Original Message-----
>     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-draft=
s@ietf.org
>     Sent: Friday, May 05, 2017 10:41 AM
>     To: i-d-announce@ietf.org
>     Cc: teas@ietf.org
>     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
>     A New Internet-Draft is available from the on-line Internet-Drafts di=
rectories.
>     This draft is a work item of the Traffic Engineering Architecture and=
=20
>     Signaling of the IETF.
>
>             Title           : Framework for Abstraction and Control of Tr=
affic=20
>             Engineered Networks
>             Authors         : Daniele Ceccarelli
>                               Young Lee
>     	Filename        : draft-ietf-teas-actn-framework-05.txt
>     	Pages           : 41
>     	Date            : 2017-05-05
>
>     Abstract:
>        Traffic Engineered networks have a variety of mechanisms to
>        facilitate the separation of the data plane and control plane. The=
y
>        also have a range of management and provisioning protocols to
>        configure and activate network resources.  These mechanisms
>        represent key technologies for enabling flexible and dynamic
>        networking.
>
>        Abstraction of network resources is a technique that can be applie=
d
>        to a single network domain or across multiple domains to create a
>        single virtualized network that is under the control of a network
>        operator or the customer of the operator that actually owns
>        the network resources.
>
>        This document provides a framework for Abstraction and Control of
>        Traffic Engineered Networks (ACTN).
>
>
>
>     The IETF datatracker status page for this draft is:
>     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>     There are also htmlized versions available at:
>     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>    =20
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
>     A diff from the previous version is available at:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>
>     Please note that it may take a couple of minutes from the time of=20
>     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/
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>



From nobody Fri May 19 12:18:21 2017
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Leeyoung'" <leeyoung@huawei.com>, <teas@ietf.org>
Cc: <NetSlices@ietf.org>
References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <97EE7243-CB44-40AD-B02D-98E07D9C79F2@juniper.net> <DB3PR07MB0588EA2B00C389E762D8C59F91E60@DB3PR07MB0588.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD00786390993DBF8@SJCEML702-CHM.china.huawei.com> <15c1177e0c0.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <7AEB3D6833318045B4AE71C2C87E8E172B2CC48E@SJCEML702-CHM.china.huawei.com>
In-Reply-To: <7AEB3D6833318045B4AE71C2C87E8E172B2CC48E@SJCEML702-CHM.china.huawei.com>
Date: Fri, 19 May 2017 20:17:58 +0100
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Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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Unsurprisingly, I think that Young's proposal to adopt my text change is a good
idea :-)

I think we can scope the ACTN documents to talk about ACTN only. That means that
the discussion of "network slicing" in the ACTN documents (which goes back to
the time of WG adoption) can and should remain, but should be described in terms
of "within the scope of ACTN".

That means that the netslices list remains the place to discuss the full breadth
of the definition of "network slicing", and also means that the ACTN documents
are not predicated on an external agreement on that wider definition.

Hope that works and we don't have to do a global replace of "network slice" in
the ACTN docs with a new term.

Cheers,
Adrian

> -----Original Message-----
> From: Netslices [mailto:netslices-bounces@ietf.org] On Behalf Of Leeyoung
> Sent: 19 May 2017 14:15
> To: teas@ietf.org
> Cc: NetSlices@ietf.org
> Subject: Re: [Netslices] [Teas] terminology discussion network slicing
> 
> Hi,
> 
> Lou is right. There is a dedicated email list for the discussion of "network
slicing
> (cc'ed)" and the discussion about what that term means should be held on that
> list.
> 
> We have used similar language in draft-ietf-teas-actn-framework right from the
> 00 version. Recent changes have been an attempt to clarify what the
terminology
> means in the context of ACTN. We are not trying to define or redefine "network
> slicing" in the ACTN document, but are trying to make it clear how ACTN works.
> 
> Therefore I propose the following resolution:
> 
> 1. All discussion of the general applicability and definition of "network
slicing" is
> held on the netslices mailing list.
> 
> 2. We adopt Adrian's suggestion to explain that the scope of the definition of
the
> terms used in the ACTN framework is limited to ACTN. That means effectively
> that if there are components of a wider definition of network slicing that are
not
> supported by ACTN, that will be OK.
> 
> I propose to post an updated version in the next few days and I believe that
will
> allow this draft to move ahead without being blocked by the discussion in
> netslices. Once the IETF has a stable definition of network slicing we can
return
> and see how ACTN is applicable to that definition an whether more wok is need
> (in a separate draft).
> 
> Thanks,
> Young
> 
> -----Original Message-----
> From: Lou Berger [mailto:lberger@labn.net]
> Sent: Tuesday, May 16, 2017 8:35 AM
> To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia -
> IT/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel
> <ggrammel@juniper.net>; Leeyoung <leeyoung@huawei.com>; teas@ietf.org;
> adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
> 
> Perhaps it's time to bring the discussion to the slicing list and report back
their
> reaponse....
> 
> Lou
> 
> 
> On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:
> 
> > Hi Sergio,
> >
> > I would also like to hear more from network slicing experts.
> >
> > My understanding is that the difference in the separation (in terms of
> > control and data planes, security, etc.). For example, traditional BGP
> > based L3 VPNs (that use provider's common control plane for their
> > management and IP/MPLS TE tunnels to inter-connect their PEs) will
> > probably not be able guarantee for the clients msec range connectivity
> > setup times required by 5g, while provided by the same provider fully
> > separated/genuinely private IP/MPLS networks (that do not share
> > IP/MPLS control plane and infrastructure, whose network topology is
> > supported by separate L0/L1 connections) hopefully will be able to
> > provide such guarantees. Therefore, I define layer network slices as
> > dynamically managed fully isolated in control and data planes private
> > TE layer networks, which may share one or more underlying server layer
> networks.
> >
> >
> > Cheers,
> > Igor
> >
> >
> >
> >
> > -----Original Message-----
> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio
> > (Nokia - IT/Vimercate)
> > Sent: Tuesday, May 16, 2017 6:08 AM
> > To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> > Subject: Re: [Teas] terminology discussion network slicing
> >
> > Hi Gert,
> >
> > "Thinking a bit about it I came to the point where "VPN" and "network
> > slices" seem to describe the same entity or at least a "network slice"
> > being a VPN of VPNs?"
> >
> > I share completely your conclusion , I'd like if someone can explain
> > if a difference really exists .
> >
> > Thanks
> > Sergio
> >
> >
> > -----Original Message-----
> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> > Sent: Monday, May 15, 2017 7:02 PM
> > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> > Subject: Re: [Teas] terminology discussion network slicing
> >
> > Leeyoung,
> >
> > Thank you for taking a stab on this. Usually when getting to a
> > definition, I try to establish what kind of existing constructs would
> > fall under the definition. If my understanding is correct, the
> > following list of constructs would all satisfy the definition somehow.
> > - A TDM network with a p2p TDM connection
> > - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> > - An MPLS LSP using a traffic engineered IP network
> > - A L2VPN using a traffic engineered MPLS network
> > - A L3VPN using a traffic engineered IP network
> > - A TCP connection using a traffic engineered IP network
> > - Different QoS classes in an IP network
> >
> > Thinking a bit about it I came to the point where "VPN" and "network
> > slices" seem to describe the same entity or at least a "network slice"
> > being a VPN of VPNs?
> >
> > Gert
> >
> >
> > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"
> > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
> >
> >     Hi Adrian and others,
> >
> >     We'd like cross check with you on some terminology we introduced newly.
> Any
> >     comment on these terms will be greatly appreciated.
> >
> >     We introduced 'network slicing' as follows:
> >
> >             Network slicing is a collection of resources
> >             that are used to establish logically dedicated virtual networks
> >             over TE networks. It allows a network provider to provide
> >             dedicated virtual networks for application/customer over a
> >             common network infrastructure. The logically dedicated
> >             resources are a part of the larger common network
> >             infrastructures that are shared among various network slice
> >             instances which are the end-to-end realization of network
> >             slicing, consisting of the combination of physically or
> >             logically dedicated resources.
> >
> >
> >     Thanks.
> >     Young and Daniele
> >     -----Original Message-----
> >     From: Leeyoung
> >     Sent: Friday, May 05, 2017 1:41 PM
> >     To: teas@ietf.org
> >     Subject: RE: [Teas] I-D Action:
> > draft-ietf-teas-actn-framework-05.txt
> >
> >     Hi,
> >
> >     This update is intended to incorporate the comments from the last WG
> >     meeting and any pending issues. We also have taken the global editorial
> >     changes to make it consistent through the document. Major changes are:
> >
> >     - Inclusion of "network slicing" definition from ACTN perspective (in
the
> >     terminology section)
> >     - Added virtual network service (VNS) section (Section 3) to define
types
> >     of VNS.
> >     - Incorporated "orchestration" (service/network) mapping to ACTN
> >     architecture (See Section 5.2)
> >     - Created a new section 6 (Topology Abstraction Method) where we
> imported
> >     some texts from ACTN abstraction method
> >     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
> >     - Added Appendices A & B to discuss example deployment scenarios such as
> >     example of MDSC and PNC functions integrated in Service/Network
> >     Orchestrator (Appendix A) and example of IP + Optical network with L3VPN
> >     service (Appendix B)
> >
> >     In regard to ACTN abstraction method draft, we are going to keep it as a
> >     separate draft and use this document to elaborate other aspects not
> >     imported to the framework document.
> >
> >     The following diff pointer will help you see the changes with this
revision:
> >
> > https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
> >
> >     The co-authors believe that the document is ready for WG LC. Any
> >     changes/comments will be appreciated.
> >
> >     Thanks & Best regards,
> >     Young & Daniele (on behalf of other co-authors/contributors)
> >
> >     -----Original Message-----
> >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-
> drafts@ietf.org
> >     Sent: Friday, May 05, 2017 10:41 AM
> >     To: i-d-announce@ietf.org
> >     Cc: teas@ietf.org
> >     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
> >
> >
> >     A New Internet-Draft is available from the on-line Internet-Drafts
directories.
> >     This draft is a work item of the Traffic Engineering Architecture and
> >     Signaling of the IETF.
> >
> >             Title           : Framework for Abstraction and Control of
Traffic
> >             Engineered Networks
> >             Authors         : Daniele Ceccarelli
> >                               Young Lee
> >     	Filename        : draft-ietf-teas-actn-framework-05.txt
> >     	Pages           : 41
> >     	Date            : 2017-05-05
> >
> >     Abstract:
> >        Traffic Engineered networks have a variety of mechanisms to
> >        facilitate the separation of the data plane and control plane. They
> >        also have a range of management and provisioning protocols to
> >        configure and activate network resources.  These mechanisms
> >        represent key technologies for enabling flexible and dynamic
> >        networking.
> >
> >        Abstraction of network resources is a technique that can be applied
> >        to a single network domain or across multiple domains to create a
> >        single virtualized network that is under the control of a network
> >        operator or the customer of the operator that actually owns
> >        the network resources.
> >
> >        This document provides a framework for Abstraction and Control of
> >        Traffic Engineered Networks (ACTN).
> >
> >
> >
> >     The IETF datatracker status page for this draft is:
> >     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
> >
> >     There are also htmlized versions available at:
> >     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
> >
> > https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> > 5
> >
> >     A diff from the previous version is available at:
> >
> > https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
> >
> >
> >     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/
> >
> >     _______________________________________________
> >     Teas mailing list
> >     Teas@ietf.org
> >     https://www.ietf.org/mailman/listinfo/teas
> >
> >     _______________________________________________
> >     Teas mailing list
> >     Teas@ietf.org
> >     https://www.ietf.org/mailman/listinfo/teas
> >
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> 
> 
> _______________________________________________
> Netslices mailing list
> Netslices@ietf.org
> https://www.ietf.org/mailman/listinfo/netslices


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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
CC: "NetSlices@ietf.org" <NetSlices@ietf.org>
Thread-Topic: [Teas] terminology discussion  network slicing
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/jjumvKk42BR240ynTT7bB1HqBZM>
Subject: Re: [Teas] terminology discussion  network slicing
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Hi Young, all,

i agree with your conclusion but would like to clarify one thing that IMO g=
ot lost in the discussion since its beginning.

The 3GPP definition says:=20
"A set of network functions and the resources for these network functions w=
hich are arranged and configured, forming a complete logical network to mee=
t certain network characteristics."

This means that a network slice IS NOT a VPN or a TE Tunnel.
A network slice is "something" (netslices and 3GPP will define what this so=
mething is) that is composed by a "piece" in the RADIO domain, a "piece" in=
 the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible other p=
ieces in possible other domains.

The word "transport" can be misleading here since one could think of transp=
ort technologies (e.g. WDM, OTN), but what I'm referring to as TRANSPORT DO=
MAIN is that part of the network that is used to carry a packet between two=
 other domains.=20
In order to have a slice, that portion of the transport domain needs to be =
engineered, hence it is all about building a TE entity and stitching servic=
es to such entity. This is what is in the ACTN scope.

My very personal opinion is that whatever belongs to the transport domain b=
elongs to IETF (and is already being addressed), while the rest is a danger=
ous duplication of concepts standardized is other SDOs...but this is anothe=
r discussion that doesn't fit here.

BR
Daniele =20


-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: venerd=EC 19 maggio 2017 15:15
To: teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

Hi,

Lou is right. There is a dedicated email list for the discussion of "networ=
k slicing (cc'ed)" and the discussion about what that term means should be =
held on that list.=20

We have used similar language in draft-ietf-teas-actn-framework right from =
the
00 version. Recent changes have been an attempt to clarify what the termino=
logy means in the context of ACTN. We are not trying to define or redefine =
"network slicing" in the ACTN document, but are trying to make it clear how=
 ACTN works.

Therefore I propose the following resolution:

1. All discussion of the general applicability and definition of "network s=
licing" is held on the netslices mailing list.

2. We adopt Adrian's suggestion to explain that the scope of the definition=
 of the terms used in the ACTN framework is limited to ACTN. That means eff=
ectively that if there are components of a wider definition of network slic=
ing that are not supported by ACTN, that will be OK.=20

I propose to post an updated version in the next few days and I believe tha=
t will allow this draft to move ahead without being blocked by the discussi=
on in netslices. Once the IETF has a stable definition of network slicing w=
e can return and see how ACTN is applicable to that definition an whether m=
ore wok is need (in a separate draft).

Thanks,
Young

-----Original Message-----
From: Lou Berger [mailto:lberger@labn.net]
Sent: Tuesday, May 16, 2017 8:35 AM
To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - IT/Vim=
ercate) <sergio.belotti@nokia.com>; Gert Grammel <ggrammel@juniper.net>; Le=
eyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Perhaps it's time to bring the discussion to the slicing list and report ba=
ck their reaponse....

Lou


On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:

> Hi Sergio,
>
> I would also like to hear more from network slicing experts.
>
> My understanding is that the difference in the separation (in terms of=20
> control and data planes, security, etc.). For example, traditional BGP=20
> based L3 VPNs (that use provider's common control plane for their=20
> management and IP/MPLS TE tunnels to inter-connect their PEs) will=20
> probably not be able guarantee for the clients msec range connectivity=20
> setup times required by 5g, while provided by the same provider fully=20
> separated/genuinely private IP/MPLS networks (that do not share=20
> IP/MPLS control plane and infrastructure, whose network topology is=20
> supported by separate L0/L1 connections) hopefully will be able to=20
> provide such guarantees. Therefore, I define layer network slices as=20
> dynamically managed fully isolated in control and data planes private=20
> TE layer networks, which may share one or more underlying server layer ne=
tworks.
>
>
> Cheers,
> Igor
>
>
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio=20
> (Nokia - IT/Vimercate)
> Sent: Tuesday, May 16, 2017 6:08 AM
> To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi Gert,
>
> "Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?"
>
> I share completely your conclusion , I'd like if someone can explain=20
> if a difference really exists .
>
> Thanks
> Sergio
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> Sent: Monday, May 15, 2017 7:02 PM
> To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Leeyoung,
>
> Thank you for taking a stab on this. Usually when getting to a=20
> definition, I try to establish what kind of existing constructs would=20
> fall under the definition. If my understanding is correct, the=20
> following list of constructs would all satisfy the definition somehow.
> - A TDM network with a p2p TDM connection
> - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> - An MPLS LSP using a traffic engineered IP network
> - A L2VPN using a traffic engineered MPLS network
> - A L3VPN using a traffic engineered IP network
> - A TCP connection using a traffic engineered IP network
> - Different QoS classes in an IP network
>
> Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?
>
> Gert
>
>
> On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
> <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
>
>     Hi Adrian and others,
>
>     We'd like cross check with you on some terminology we introduced newl=
y. Any=20
>     comment on these terms will be greatly appreciated.
>
>     We introduced 'network slicing' as follows:
>
>             Network slicing is a collection of resources
>             that are used to establish logically dedicated virtual networ=
ks
>             over TE networks. It allows a network provider to provide
>             dedicated virtual networks for application/customer over a
>             common network infrastructure. The logically dedicated
>             resources are a part of the larger common network
>             infrastructures that are shared among various network slice
>             instances which are the end-to-end realization of network
>             slicing, consisting of the combination of physically or
>             logically dedicated resources.
>
>
>     Thanks.
>     Young and Daniele
>     -----Original Message-----
>     From: Leeyoung
>     Sent: Friday, May 05, 2017 1:41 PM
>     To: teas@ietf.org
>     Subject: RE: [Teas] I-D Action:=20
> draft-ietf-teas-actn-framework-05.txt
>
>     Hi,
>
>     This update is intended to incorporate the comments from the last WG=
=20
>     meeting and any pending issues. We also have taken the global editori=
al=20
>     changes to make it consistent through the document. Major changes are=
:
>
>     - Inclusion of "network slicing" definition from ACTN perspective (in=
 the=20
>     terminology section)
>     - Added virtual network service (VNS) section (Section 3) to define t=
ypes=20
>     of VNS.
>     - Incorporated "orchestration" (service/network) mapping to ACTN=20
>     architecture (See Section 5.2)
>     - Created a new section 6 (Topology Abstraction Method) where we impo=
rted=20
>     some texts from ACTN abstraction method =20
>     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>     - Added Appendices A & B to discuss example deployment scenarios such=
 as=20
>     example of MDSC and PNC functions integrated in Service/Network=20
>     Orchestrator (Appendix A) and example of IP + Optical network with L3=
VPN=20
>     service (Appendix B)
>
>     In regard to ACTN abstraction method draft, we are going to keep it a=
s a=20
>     separate draft and use this document to elaborate other aspects not=20
>     imported to the framework document.
>
>     The following diff pointer will help you see the changes with this re=
vision:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>     The co-authors believe that the document is ready for WG LC. Any=20
>     changes/comments will be appreciated.
>
>     Thanks & Best regards,
>     Young & Daniele (on behalf of other co-authors/contributors)
>
>     -----Original Message-----
>     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-draft=
s@ietf.org
>     Sent: Friday, May 05, 2017 10:41 AM
>     To: i-d-announce@ietf.org
>     Cc: teas@ietf.org
>     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
>     A New Internet-Draft is available from the on-line Internet-Drafts di=
rectories.
>     This draft is a work item of the Traffic Engineering Architecture and=
=20
>     Signaling of the IETF.
>
>             Title           : Framework for Abstraction and Control of Tr=
affic=20
>             Engineered Networks
>             Authors         : Daniele Ceccarelli
>                               Young Lee
>     	Filename        : draft-ietf-teas-actn-framework-05.txt
>     	Pages           : 41
>     	Date            : 2017-05-05
>
>     Abstract:
>        Traffic Engineered networks have a variety of mechanisms to
>        facilitate the separation of the data plane and control plane. The=
y
>        also have a range of management and provisioning protocols to
>        configure and activate network resources.  These mechanisms
>        represent key technologies for enabling flexible and dynamic
>        networking.
>
>        Abstraction of network resources is a technique that can be applie=
d
>        to a single network domain or across multiple domains to create a
>        single virtualized network that is under the control of a network
>        operator or the customer of the operator that actually owns
>        the network resources.
>
>        This document provides a framework for Abstraction and Control of
>        Traffic Engineered Networks (ACTN).
>
>
>
>     The IETF datatracker status page for this draft is:
>     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>     There are also htmlized versions available at:
>     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>    =20
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
>     A diff from the previous version is available at:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>
>     Please note that it may take a couple of minutes from the time of=20
>     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/
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>


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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi Danielle,

Network slicing may have nothing to do with radio. 5g is just a big reason =
as to why the interest/focus is back on network slicing, which is a very ol=
d concept. I don't think that anyone is arguing with what you wrote. The qu=
estions are:
a) how do you manage these "pieces"?
b) what policy infrastructure should be put in place?
c) how do you ensure their separation or, conversely, the degree of resourc=
e sharing?
d) why exactly legacy VPNs are not good enough?

Cheers,
Igor


 =20

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Daniele Ceccarelli
Sent: Friday, May 19, 2017 4:19 PM
To: Leeyoung; teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

Hi Young, all,

i agree with your conclusion but would like to clarify one thing that IMO g=
ot lost in the discussion since its beginning.

The 3GPP definition says:=20
"A set of network functions and the resources for these network functions w=
hich are arranged and configured, forming a complete logical network to mee=
t certain network characteristics."

This means that a network slice IS NOT a VPN or a TE Tunnel.
A network slice is "something" (netslices and 3GPP will define what this so=
mething is) that is composed by a "piece" in the RADIO domain, a "piece" in=
 the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible other p=
ieces in possible other domains.

The word "transport" can be misleading here since one could think of transp=
ort technologies (e.g. WDM, OTN), but what I'm referring to as TRANSPORT DO=
MAIN is that part of the network that is used to carry a packet between two=
 other domains.=20
In order to have a slice, that portion of the transport domain needs to be =
engineered, hence it is all about building a TE entity and stitching servic=
es to such entity. This is what is in the ACTN scope.

My very personal opinion is that whatever belongs to the transport domain b=
elongs to IETF (and is already being addressed), while the rest is a danger=
ous duplication of concepts standardized is other SDOs...but this is anothe=
r discussion that doesn't fit here.

BR
Daniele =20


-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: venerd=EC 19 maggio 2017 15:15
To: teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

Hi,

Lou is right. There is a dedicated email list for the discussion of "networ=
k slicing (cc'ed)" and the discussion about what that term means should be =
held on that list.=20

We have used similar language in draft-ietf-teas-actn-framework right from =
the
00 version. Recent changes have been an attempt to clarify what the termino=
logy means in the context of ACTN. We are not trying to define or redefine =
"network slicing" in the ACTN document, but are trying to make it clear how=
 ACTN works.

Therefore I propose the following resolution:

1. All discussion of the general applicability and definition of "network s=
licing" is held on the netslices mailing list.

2. We adopt Adrian's suggestion to explain that the scope of the definition=
 of the terms used in the ACTN framework is limited to ACTN. That means eff=
ectively that if there are components of a wider definition of network slic=
ing that are not supported by ACTN, that will be OK.=20

I propose to post an updated version in the next few days and I believe tha=
t will allow this draft to move ahead without being blocked by the discussi=
on in netslices. Once the IETF has a stable definition of network slicing w=
e can return and see how ACTN is applicable to that definition an whether m=
ore wok is need (in a separate draft).

Thanks,
Young

-----Original Message-----
From: Lou Berger [mailto:lberger@labn.net]
Sent: Tuesday, May 16, 2017 8:35 AM
To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - IT/Vim=
ercate) <sergio.belotti@nokia.com>; Gert Grammel <ggrammel@juniper.net>; Le=
eyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Perhaps it's time to bring the discussion to the slicing list and report ba=
ck their reaponse....

Lou


On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:

> Hi Sergio,
>
> I would also like to hear more from network slicing experts.
>
> My understanding is that the difference in the separation (in terms of=20
> control and data planes, security, etc.). For example, traditional BGP=20
> based L3 VPNs (that use provider's common control plane for their=20
> management and IP/MPLS TE tunnels to inter-connect their PEs) will=20
> probably not be able guarantee for the clients msec range connectivity=20
> setup times required by 5g, while provided by the same provider fully=20
> separated/genuinely private IP/MPLS networks (that do not share=20
> IP/MPLS control plane and infrastructure, whose network topology is=20
> supported by separate L0/L1 connections) hopefully will be able to=20
> provide such guarantees. Therefore, I define layer network slices as=20
> dynamically managed fully isolated in control and data planes private=20
> TE layer networks, which may share one or more underlying server layer ne=
tworks.
>
>
> Cheers,
> Igor
>
>
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio=20
> (Nokia - IT/Vimercate)
> Sent: Tuesday, May 16, 2017 6:08 AM
> To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi Gert,
>
> "Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?"
>
> I share completely your conclusion , I'd like if someone can explain=20
> if a difference really exists .
>
> Thanks
> Sergio
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> Sent: Monday, May 15, 2017 7:02 PM
> To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Leeyoung,
>
> Thank you for taking a stab on this. Usually when getting to a=20
> definition, I try to establish what kind of existing constructs would=20
> fall under the definition. If my understanding is correct, the=20
> following list of constructs would all satisfy the definition somehow.
> - A TDM network with a p2p TDM connection
> - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> - An MPLS LSP using a traffic engineered IP network
> - A L2VPN using a traffic engineered MPLS network
> - A L3VPN using a traffic engineered IP network
> - A TCP connection using a traffic engineered IP network
> - Different QoS classes in an IP network
>
> Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?
>
> Gert
>
>
> On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
> <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
>
>     Hi Adrian and others,
>
>     We'd like cross check with you on some terminology we introduced newl=
y. Any=20
>     comment on these terms will be greatly appreciated.
>
>     We introduced 'network slicing' as follows:
>
>             Network slicing is a collection of resources
>             that are used to establish logically dedicated virtual networ=
ks
>             over TE networks. It allows a network provider to provide
>             dedicated virtual networks for application/customer over a
>             common network infrastructure. The logically dedicated
>             resources are a part of the larger common network
>             infrastructures that are shared among various network slice
>             instances which are the end-to-end realization of network
>             slicing, consisting of the combination of physically or
>             logically dedicated resources.
>
>
>     Thanks.
>     Young and Daniele
>     -----Original Message-----
>     From: Leeyoung
>     Sent: Friday, May 05, 2017 1:41 PM
>     To: teas@ietf.org
>     Subject: RE: [Teas] I-D Action:=20
> draft-ietf-teas-actn-framework-05.txt
>
>     Hi,
>
>     This update is intended to incorporate the comments from the last WG=
=20
>     meeting and any pending issues. We also have taken the global editori=
al=20
>     changes to make it consistent through the document. Major changes are=
:
>
>     - Inclusion of "network slicing" definition from ACTN perspective (in=
 the=20
>     terminology section)
>     - Added virtual network service (VNS) section (Section 3) to define t=
ypes=20
>     of VNS.
>     - Incorporated "orchestration" (service/network) mapping to ACTN=20
>     architecture (See Section 5.2)
>     - Created a new section 6 (Topology Abstraction Method) where we impo=
rted=20
>     some texts from ACTN abstraction method =20
>     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>     - Added Appendices A & B to discuss example deployment scenarios such=
 as=20
>     example of MDSC and PNC functions integrated in Service/Network=20
>     Orchestrator (Appendix A) and example of IP + Optical network with L3=
VPN=20
>     service (Appendix B)
>
>     In regard to ACTN abstraction method draft, we are going to keep it a=
s a=20
>     separate draft and use this document to elaborate other aspects not=20
>     imported to the framework document.
>
>     The following diff pointer will help you see the changes with this re=
vision:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>     The co-authors believe that the document is ready for WG LC. Any=20
>     changes/comments will be appreciated.
>
>     Thanks & Best regards,
>     Young & Daniele (on behalf of other co-authors/contributors)
>
>     -----Original Message-----
>     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-draft=
s@ietf.org
>     Sent: Friday, May 05, 2017 10:41 AM
>     To: i-d-announce@ietf.org
>     Cc: teas@ietf.org
>     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
>     A New Internet-Draft is available from the on-line Internet-Drafts di=
rectories.
>     This draft is a work item of the Traffic Engineering Architecture and=
=20
>     Signaling of the IETF.
>
>             Title           : Framework for Abstraction and Control of Tr=
affic=20
>             Engineered Networks
>             Authors         : Daniele Ceccarelli
>                               Young Lee
>     	Filename        : draft-ietf-teas-actn-framework-05.txt
>     	Pages           : 41
>     	Date            : 2017-05-05
>
>     Abstract:
>        Traffic Engineered networks have a variety of mechanisms to
>        facilitate the separation of the data plane and control plane. The=
y
>        also have a range of management and provisioning protocols to
>        configure and activate network resources.  These mechanisms
>        represent key technologies for enabling flexible and dynamic
>        networking.
>
>        Abstraction of network resources is a technique that can be applie=
d
>        to a single network domain or across multiple domains to create a
>        single virtualized network that is under the control of a network
>        operator or the customer of the operator that actually owns
>        the network resources.
>
>        This document provides a framework for Abstraction and Control of
>        Traffic Engineered Networks (ACTN).
>
>
>
>     The IETF datatracker status page for this draft is:
>     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>     There are also htmlized versions available at:
>     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>    =20
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
>     A diff from the previous version is available at:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>
>     Please note that it may take a couple of minutes from the time of=20
>     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/
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>


_______________________________________________
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From: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
Date: Fri, 19 May 2017 20:32:56 -0400
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To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
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Subject: Re: [Teas] [Netslices]  terminology discussion network slicing
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--001a1143196681bc24054fe9c792
Content-Type: text/plain; charset="UTF-8"

On May 19, 2017 16:56, "Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>
wrote:

Hi Young, all,

i agree with your conclusion but would like to clarify one thing that IMO
got lost in the discussion since its beginning.

The 3GPP definition says:
"A set of network functions and the resources for these network functions
which are arranged and configured, forming a complete logical network to
meet certain network characteristics."

This means that a network slice IS NOT a VPN or a TE Tunnel.
A network slice is "something" (netslices and 3GPP will define what this
something is) that is composed by a "piece" in the RADIO domain, a "piece"
in the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible other
pieces in possible other domains.

The word "transport" can be misleading here since one could think of
transport technologies (e.g. WDM, OTN), but what I'm referring to as
TRANSPORT DOMAIN is that part of the network that is used to carry a packet
between two other domains.
In order to have a slice, that portion of the transport domain needs to be
engineered, hence it is all about building a TE entity and stitching
services to such entity. This is what is in the ACTN scope.

My very personal opinion is that whatever belongs to the transport domain
belongs to IETF (and is already being addressed), while the rest is a
dangerous duplication of concepts standardized is other SDOs...but this is
another discussion that doesn't fit here.


Given that "transport" has two completely orthogonal meanings in our
community now, and is already a source of confusion, if this term is not
already etched in stone, if you could think of another label, that would be
awesome.

Just from your description, I thought you're describing a transit operator.
I'm not saying that's the right term, but I think it would confuse fewer
people.

If you can think of a better term, please use it, of course.

Spencer, as *Transport* AD, but not the kind of Transport you're looking
for ...

--001a1143196681bc24054fe9c792
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto"><br><div class=3D"gmail_extra" dir=3D"auto"><br><div clas=
s=3D"gmail_quote">On May 19, 2017 16:56, &quot;Daniele Ceccarelli&quot; &lt=
;<a href=3D"mailto:daniele.ceccarelli@ericsson.com">daniele.ceccarelli@eric=
sson.com</a>&gt; wrote:<br type=3D"attribution"><blockquote class=3D"quote"=
 style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi=
 Young, all,<br>
<br>
i agree with your conclusion but would like to clarify one thing that IMO g=
ot lost in the discussion since its beginning.<br>
<br>
The 3GPP definition says:<br>
&quot;A set of network functions and the resources for these network functi=
ons which are arranged and configured, forming a complete logical network t=
o meet certain network characteristics.&quot;<br>
<br>
This means that a network slice IS NOT a VPN or a TE Tunnel.<br>
A network slice is &quot;something&quot; (netslices and 3GPP will define wh=
at this something is) that is composed by a &quot;piece&quot; in the RADIO =
domain, a &quot;piece&quot; in the CLOUD domain, a &quot;piece&quot; in the=
 TRANSPORT domain, plus possible other pieces in possible other domains.<br=
>
<br>
The word &quot;transport&quot; can be misleading here since one could think=
 of transport technologies (e.g. WDM, OTN), but what I&#39;m referring to a=
s TRANSPORT DOMAIN is that part of the network that is used to carry a pack=
et between two other domains.<br>
In order to have a slice, that portion of the transport domain needs to be =
engineered, hence it is all about building a TE entity and stitching servic=
es to such entity. This is what is in the ACTN scope.<br>
<br>
My very personal opinion is that whatever belongs to the transport domain b=
elongs to IETF (and is already being addressed), while the rest is a danger=
ous duplication of concepts standardized is other SDOs...but this is anothe=
r discussion that doesn&#39;t fit here.<br></blockquote></div></div><div di=
r=3D"auto"><br></div><div dir=3D"auto">Given that &quot;transport&quot; has=
 two completely orthogonal meanings in our community now, and is already a =
source of confusion, if this term is not already etched in stone, if you co=
uld think of another label, that would be awesome.</div><div dir=3D"auto"><=
br></div><div dir=3D"auto">Just from your description, I thought you&#39;re=
 describing a transit operator. I&#39;m not saying that&#39;s the right ter=
m, but I think it would confuse fewer people.</div><div dir=3D"auto"><br></=
div><div dir=3D"auto">If you can think of a better term, please use it, of =
course.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Spencer, as *Tra=
nsport* AD, but not the kind of Transport you&#39;re looking for ...</div><=
div class=3D"gmail_extra" dir=3D"auto"><div class=3D"gmail_quote"><blockquo=
te class=3D"quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pa=
dding-left:1ex"></blockquote></div></div></div>

--001a1143196681bc24054fe9c792--


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From: Greg Mirsky <gregimirsky@gmail.com>
Date: Sat, 20 May 2017 12:13:50 +0800
Message-ID: <CA+RyBmXjfC9fQGEEW-qE6oQyMv7t9jjdRrVRW37urdtsfTXmdQ@mail.gmail.com>
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
Cc: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>,  "NetSlices@ietf.org" <NetSlices@ietf.org>
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Subject: Re: [Teas] [Netslices]  terminology discussion network slicing
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Hi Daniele,
I think that my interpretation of network slice construct definition by
3GPP is slightly different. Please find my comments in-line tagged GIM>>.
Some are to do with terminology but, I believe, it is helpful to settle the
dictionary and agree on the interpretation of terms.

Regards,
Greg

On Sat, May 20, 2017 at 4:18 AM, Daniele Ceccarelli <
daniele.ceccarelli@ericsson.com> wrote:

> Hi Young, all,
>
> i agree with your conclusion but would like to clarify one thing that IMO
> got lost in the discussion since its beginning.
>
> The 3GPP definition says:
> "A set of network functions and the resources for these network functions
> which are arranged and configured, forming a complete logical network to
> meet certain network characteristics."
>
> This means that a network slice IS NOT a VPN or a TE Tunnel.
>
GIM>> My view is that VPN or a TE Tunnel could be part of instantiation of
a network slice. There likely to be additional to TE parameters that may be
considered, depending on the profile of the service requested the NS.


> A network slice is "something" (netslices and 3GPP will define what this
> something is) that is composed by a "piece" in the RADIO domain, a "piece=
"
> in the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible oth=
er
> pieces in possible other domains.
>
GIM>> I see separation of RAN and "transport" networks. Indeed, there will
be e2e construct (will it be still referred as "network slice" or
"multi-domain NS") but it can be decomposed into domain-scope NSes. What
you referred to as "piece" I consider as domain-scope NS.

>
> The word "transport" can be misleading here since one could think of
> transport technologies (e.g. WDM, OTN), but what I'm referring to as
> TRANSPORT DOMAIN is that part of the network that is used to carry a pack=
et
> between two other domains.
> In order to have a slice, that portion of the transport domain needs to b=
e
> engineered, hence it is all about building a TE entity and stitching
> services to such entity. This is what is in the ACTN scope.
>
GIM>> Should we use Client-Server terms?

>
> My very personal opinion is that whatever belongs to the transport domain
> belongs to IETF (and is already being addressed), while the rest is a
> dangerous duplication of concepts standardized is other SDOs...but this i=
s
> another discussion that doesn't fit here.
>
> BR
> Daniele
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
> Sent: venerd=C3=AC 19 maggio 2017 15:15
> To: teas@ietf.org
> Cc: NetSlices@ietf.org
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi,
>
> Lou is right. There is a dedicated email list for the discussion of
> "network slicing (cc'ed)" and the discussion about what that term means
> should be held on that list.
>
> We have used similar language in draft-ietf-teas-actn-framework right fro=
m
> the
> 00 version. Recent changes have been an attempt to clarify what the
> terminology means in the context of ACTN. We are not trying to define or
> redefine "network slicing" in the ACTN document, but are trying to make i=
t
> clear how ACTN works.
>
> Therefore I propose the following resolution:
>
> 1. All discussion of the general applicability and definition of "network
> slicing" is held on the netslices mailing list.
>
> 2. We adopt Adrian's suggestion to explain that the scope of the
> definition of the terms used in the ACTN framework is limited to ACTN. Th=
at
> means effectively that if there are components of a wider definition of
> network slicing that are not supported by ACTN, that will be OK.
>
> I propose to post an updated version in the next few days and I believe
> that will allow this draft to move ahead without being blocked by the
> discussion in netslices. Once the IETF has a stable definition of network
> slicing we can return and see how ACTN is applicable to that definition a=
n
> whether more wok is need (in a separate draft).
>
> Thanks,
> Young
>
> -----Original Message-----
> From: Lou Berger [mailto:lberger@labn.net]
> Sent: Tuesday, May 16, 2017 8:35 AM
> To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia -
> IT/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel <
> ggrammel@juniper.net>; Leeyoung <leeyoung@huawei.com>; teas@ietf.org;
> adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Perhaps it's time to bring the discussion to the slicing list and report
> back their reaponse....
>
> Lou
>
>
> On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:
>
> > Hi Sergio,
> >
> > I would also like to hear more from network slicing experts.
> >
> > My understanding is that the difference in the separation (in terms of
> > control and data planes, security, etc.). For example, traditional BGP
> > based L3 VPNs (that use provider's common control plane for their
> > management and IP/MPLS TE tunnels to inter-connect their PEs) will
> > probably not be able guarantee for the clients msec range connectivity
> > setup times required by 5g, while provided by the same provider fully
> > separated/genuinely private IP/MPLS networks (that do not share
> > IP/MPLS control plane and infrastructure, whose network topology is
> > supported by separate L0/L1 connections) hopefully will be able to
> > provide such guarantees. Therefore, I define layer network slices as
> > dynamically managed fully isolated in control and data planes private
> > TE layer networks, which may share one or more underlying server layer
> networks.
> >
> >
> > Cheers,
> > Igor
> >
> >
> >
> >
> > -----Original Message-----
> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio
> > (Nokia - IT/Vimercate)
> > Sent: Tuesday, May 16, 2017 6:08 AM
> > To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> > Subject: Re: [Teas] terminology discussion network slicing
> >
> > Hi Gert,
> >
> > "Thinking a bit about it I came to the point where "VPN" and "network
> > slices" seem to describe the same entity or at least a "network slice"
> > being a VPN of VPNs?"
> >
> > I share completely your conclusion , I'd like if someone can explain
> > if a difference really exists .
> >
> > Thanks
> > Sergio
> >
> >
> > -----Original Message-----
> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> > Sent: Monday, May 15, 2017 7:02 PM
> > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> > Subject: Re: [Teas] terminology discussion network slicing
> >
> > Leeyoung,
> >
> > Thank you for taking a stab on this. Usually when getting to a
> > definition, I try to establish what kind of existing constructs would
> > fall under the definition. If my understanding is correct, the
> > following list of constructs would all satisfy the definition somehow.
> > - A TDM network with a p2p TDM connection
> > - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> > - An MPLS LSP using a traffic engineered IP network
> > - A L2VPN using a traffic engineered MPLS network
> > - A L3VPN using a traffic engineered IP network
> > - A TCP connection using a traffic engineered IP network
> > - Different QoS classes in an IP network
> >
> > Thinking a bit about it I came to the point where "VPN" and "network
> > slices" seem to describe the same entity or at least a "network slice"
> > being a VPN of VPNs?
> >
> > Gert
> >
> >
> > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"
> > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
> >
> >     Hi Adrian and others,
> >
> >     We'd like cross check with you on some terminology we introduced
> newly. Any
> >     comment on these terms will be greatly appreciated.
> >
> >     We introduced 'network slicing' as follows:
> >
> >             Network slicing is a collection of resources
> >             that are used to establish logically dedicated virtual
> networks
> >             over TE networks. It allows a network provider to provide
> >             dedicated virtual networks for application/customer over a
> >             common network infrastructure. The logically dedicated
> >             resources are a part of the larger common network
> >             infrastructures that are shared among various network slice
> >             instances which are the end-to-end realization of network
> >             slicing, consisting of the combination of physically or
> >             logically dedicated resources.
> >
> >
> >     Thanks.
> >     Young and Daniele
> >     -----Original Message-----
> >     From: Leeyoung
> >     Sent: Friday, May 05, 2017 1:41 PM
> >     To: teas@ietf.org
> >     Subject: RE: [Teas] I-D Action:
> > draft-ietf-teas-actn-framework-05.txt
> >
> >     Hi,
> >
> >     This update is intended to incorporate the comments from the last W=
G
> >     meeting and any pending issues. We also have taken the global
> editorial
> >     changes to make it consistent through the document. Major changes
> are:
> >
> >     - Inclusion of "network slicing" definition from ACTN perspective
> (in the
> >     terminology section)
> >     - Added virtual network service (VNS) section (Section 3) to define
> types
> >     of VNS.
> >     - Incorporated "orchestration" (service/network) mapping to ACTN
> >     architecture (See Section 5.2)
> >     - Created a new section 6 (Topology Abstraction Method) where we
> imported
> >     some texts from ACTN abstraction method
> >     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
> >     - Added Appendices A & B to discuss example deployment scenarios
> such as
> >     example of MDSC and PNC functions integrated in Service/Network
> >     Orchestrator (Appendix A) and example of IP + Optical network with
> L3VPN
> >     service (Appendix B)
> >
> >     In regard to ACTN abstraction method draft, we are going to keep it
> as a
> >     separate draft and use this document to elaborate other aspects not
> >     imported to the framework document.
> >
> >     The following diff pointer will help you see the changes with this
> revision:
> >
> > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
> >
> >     The co-authors believe that the document is ready for WG LC. Any
> >     changes/comments will be appreciated.
> >
> >     Thanks & Best regards,
> >     Young & Daniele (on behalf of other co-authors/contributors)
> >
> >     -----Original Message-----
> >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of
> internet-drafts@ietf.org
> >     Sent: Friday, May 05, 2017 10:41 AM
> >     To: i-d-announce@ietf.org
> >     Cc: teas@ietf.org
> >     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
> >
> >
> >     A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> >     This draft is a work item of the Traffic Engineering Architecture a=
nd
> >     Signaling of the IETF.
> >
> >             Title           : Framework for Abstraction and Control of
> Traffic
> >             Engineered Networks
> >             Authors         : Daniele Ceccarelli
> >                               Young Lee
> >       Filename        : draft-ietf-teas-actn-framework-05.txt
> >       Pages           : 41
> >       Date            : 2017-05-05
> >
> >     Abstract:
> >        Traffic Engineered networks have a variety of mechanisms to
> >        facilitate the separation of the data plane and control plane.
> They
> >        also have a range of management and provisioning protocols to
> >        configure and activate network resources.  These mechanisms
> >        represent key technologies for enabling flexible and dynamic
> >        networking.
> >
> >        Abstraction of network resources is a technique that can be
> applied
> >        to a single network domain or across multiple domains to create =
a
> >        single virtualized network that is under the control of a networ=
k
> >        operator or the customer of the operator that actually owns
> >        the network resources.
> >
> >        This document provides a framework for Abstraction and Control o=
f
> >        Traffic Engineered Networks (ACTN).
> >
> >
> >
> >     The IETF datatracker status page for this draft is:
> >     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
> >
> >     There are also htmlized versions available at:
> >     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
> >
> > https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> > 5
> >
> >     A diff from the previous version is available at:
> >
> > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
> >
> >
> >     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/
> >
> >     _______________________________________________
> >     Teas mailing list
> >     Teas@ietf.org
> >     https://www.ietf.org/mailman/listinfo/teas
> >
> >     _______________________________________________
> >     Teas mailing list
> >     Teas@ietf.org
> >     https://www.ietf.org/mailman/listinfo/teas
> >
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Netslices mailing list
> Netslices@ietf.org
> https://www.ietf.org/mailman/listinfo/netslices
>

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<div dir=3D"ltr">Hi Daniele,<div>I think that my interpretation of network =
slice construct definition by 3GPP is slightly different. Please find my co=
mments in-line tagged GIM&gt;&gt;. Some are to do with terminology but, I b=
elieve, it is helpful to settle the dictionary and agree on the interpretat=
ion of terms.</div><div><br></div><div>Regards,</div><div>Greg</div><div cl=
ass=3D"gmail_extra"><br><div class=3D"gmail_quote">On Sat, May 20, 2017 at =
4:18 AM, Daniele Ceccarelli <span dir=3D"ltr">&lt;<a href=3D"mailto:daniele=
.ceccarelli@ericsson.com" target=3D"_blank">daniele.ceccarelli@ericsson.com=
</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Young, all,<br>
<br>
i agree with your conclusion but would like to clarify one thing that IMO g=
ot lost in the discussion since its beginning.<br>
<br>
The 3GPP definition says:<br>
&quot;A set of network functions and the resources for these network functi=
ons which are arranged and configured, forming a complete logical network t=
o meet certain network characteristics.&quot;<br>
<br>
This means that a network slice IS NOT a VPN or a TE Tunnel.<br></blockquot=
e><div>GIM&gt;&gt; My view is that VPN or a TE Tunnel could be part of inst=
antiation of a network slice. There likely to be additional to TE parameter=
s that may be considered, depending on the profile of the service requested=
 the NS.</div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
A network slice is &quot;something&quot; (netslices and 3GPP will define wh=
at this something is) that is composed by a &quot;piece&quot; in the RADIO =
domain, a &quot;piece&quot; in the CLOUD domain, a &quot;piece&quot; in the=
 TRANSPORT domain, plus possible other pieces in possible other domains.<br=
></blockquote><div>GIM&gt;&gt; I see separation of RAN and &quot;transport&=
quot; networks. Indeed, there will be e2e construct (will it be still refer=
red as &quot;network slice&quot; or &quot;multi-domain NS&quot;) but it can=
 be decomposed into domain-scope NSes. What you referred to as &quot;piece&=
quot; I consider as domain-scope NS.</div><blockquote class=3D"gmail_quote"=
 style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
The word &quot;transport&quot; can be misleading here since one could think=
 of transport technologies (e.g. WDM, OTN), but what I&#39;m referring to a=
s TRANSPORT DOMAIN is that part of the network that is used to carry a pack=
et between two other domains.<br>
In order to have a slice, that portion of the transport domain needs to be =
engineered, hence it is all about building a TE entity and stitching servic=
es to such entity. This is what is in the ACTN scope.<br></blockquote><div>=
GIM&gt;&gt; Should we use Client-Server terms?=C2=A0</div><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">
<br>
My very personal opinion is that whatever belongs to the transport domain b=
elongs to IETF (and is already being addressed), while the rest is a danger=
ous duplication of concepts standardized is other SDOs...but this is anothe=
r discussion that doesn&#39;t fit here.<br>
<br>
BR<br>
<span class=3D"HOEnZb"><font color=3D"#888888">Daniele<br>
</font></span><span class=3D"im HOEnZb"><br>
<br>
-----Original Message-----<br>
From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org">teas-bounces@ie=
tf.org</a>] On Behalf Of Leeyoung<br>
Sent: venerd=C3=AC 19 maggio 2017 15:15<br>
To: <a href=3D"mailto:teas@ietf.org">teas@ietf.org</a><br>
Cc: <a href=3D"mailto:NetSlices@ietf.org">NetSlices@ietf.org</a><br>
</span><div class=3D"HOEnZb"><div class=3D"h5">Subject: Re: [Teas] terminol=
ogy discussion network slicing<br>
<br>
Hi,<br>
<br>
Lou is right. There is a dedicated email list for the discussion of &quot;n=
etwork slicing (cc&#39;ed)&quot; and the discussion about what that term me=
ans should be held on that list.<br>
<br>
We have used similar language in draft-ietf-teas-actn-framework right from =
the<br>
00 version. Recent changes have been an attempt to clarify what the termino=
logy means in the context of ACTN. We are not trying to define or redefine =
&quot;network slicing&quot; in the ACTN document, but are trying to make it=
 clear how ACTN works.<br>
<br>
Therefore I propose the following resolution:<br>
<br>
1. All discussion of the general applicability and definition of &quot;netw=
ork slicing&quot; is held on the netslices mailing list.<br>
<br>
2. We adopt Adrian&#39;s suggestion to explain that the scope of the defini=
tion of the terms used in the ACTN framework is limited to ACTN. That means=
 effectively that if there are components of a wider definition of network =
slicing that are not supported by ACTN, that will be OK.<br>
<br>
I propose to post an updated version in the next few days and I believe tha=
t will allow this draft to move ahead without being blocked by the discussi=
on in netslices. Once the IETF has a stable definition of network slicing w=
e can return and see how ACTN is applicable to that definition an whether m=
ore wok is need (in a separate draft).<br>
<br>
Thanks,<br>
Young<br>
<br>
-----Original Message-----<br>
From: Lou Berger [mailto:<a href=3D"mailto:lberger@labn.net">lberger@labn.n=
et</a>]<br>
Sent: Tuesday, May 16, 2017 8:35 AM<br>
To: Igor Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@huawei.com">Igor.Bryski=
n@huawei.com</a>&gt;; Belotti, Sergio (Nokia - IT/Vimercate) &lt;<a href=3D=
"mailto:sergio.belotti@nokia.com">sergio.belotti@nokia.com</a>&gt;; Gert Gr=
ammel &lt;<a href=3D"mailto:ggrammel@juniper.net">ggrammel@juniper.net</a>&=
gt;; Leeyoung &lt;<a href=3D"mailto:leeyoung@huawei.com">leeyoung@huawei.co=
m</a>&gt;; <a href=3D"mailto:teas@ietf.org">teas@ietf.org</a>; <a href=3D"m=
ailto:adrian@olddog.co.uk">adrian@olddog.co.uk</a><br>
Subject: Re: [Teas] terminology discussion network slicing<br>
<br>
Perhaps it&#39;s time to bring the discussion to the slicing list and repor=
t back their reaponse....<br>
<br>
Lou<br>
<br>
<br>
On May 16, 2017 8:31:19 AM Igor Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@=
huawei.com">Igor.Bryskin@huawei.com</a>&gt; wrote:<br>
<br>
&gt; Hi Sergio,<br>
&gt;<br>
&gt; I would also like to hear more from network slicing experts.<br>
&gt;<br>
&gt; My understanding is that the difference in the separation (in terms of=
<br>
&gt; control and data planes, security, etc.). For example, traditional BGP=
<br>
&gt; based L3 VPNs (that use provider&#39;s common control plane for their<=
br>
&gt; management and IP/MPLS TE tunnels to inter-connect their PEs) will<br>
&gt; probably not be able guarantee for the clients msec range connectivity=
<br>
&gt; setup times required by 5g, while provided by the same provider fully<=
br>
&gt; separated/genuinely private IP/MPLS networks (that do not share<br>
&gt; IP/MPLS control plane and infrastructure, whose network topology is<br=
>
&gt; supported by separate L0/L1 connections) hopefully will be able to<br>
&gt; provide such guarantees. Therefore, I define layer network slices as<b=
r>
&gt; dynamically managed fully isolated in control and data planes private<=
br>
&gt; TE layer networks, which may share one or more underlying server layer=
 networks.<br>
&gt;<br>
&gt;<br>
&gt; Cheers,<br>
&gt; Igor<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org">teas-bounc=
es@ietf.org</a>] On Behalf Of Belotti, Sergio<br>
&gt; (Nokia - IT/Vimercate)<br>
&gt; Sent: Tuesday, May 16, 2017 6:08 AM<br>
&gt; To: Gert Grammel; Leeyoung; <a href=3D"mailto:teas@ietf.org">teas@ietf=
.org</a>; <a href=3D"mailto:adrian@olddog.co.uk">adrian@olddog.co.uk</a><br=
>
&gt; Subject: Re: [Teas] terminology discussion network slicing<br>
&gt;<br>
&gt; Hi Gert,<br>
&gt;<br>
&gt; &quot;Thinking a bit about it I came to the point where &quot;VPN&quot=
; and &quot;network<br>
&gt; slices&quot; seem to describe the same entity or at least a &quot;netw=
ork slice&quot;<br>
&gt; being a VPN of VPNs?&quot;<br>
&gt;<br>
&gt; I share completely your conclusion , I&#39;d like if someone can expla=
in<br>
&gt; if a difference really exists .<br>
&gt;<br>
&gt; Thanks<br>
&gt; Sergio<br>
&gt;<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org">teas-bounc=
es@ietf.org</a>] On Behalf Of Gert Grammel<br>
&gt; Sent: Monday, May 15, 2017 7:02 PM<br>
&gt; To: Leeyoung &lt;<a href=3D"mailto:leeyoung@huawei.com">leeyoung@huawe=
i.com</a>&gt;; <a href=3D"mailto:teas@ietf.org">teas@ietf.org</a>; <a href=
=3D"mailto:adrian@olddog.co.uk">adrian@olddog.co.uk</a><br>
&gt; Subject: Re: [Teas] terminology discussion network slicing<br>
&gt;<br>
&gt; Leeyoung,<br>
&gt;<br>
&gt; Thank you for taking a stab on this. Usually when getting to a<br>
&gt; definition, I try to establish what kind of existing constructs would<=
br>
&gt; fall under the definition. If my understanding is correct, the<br>
&gt; following list of constructs would all satisfy the definition somehow.=
<br>
&gt; - A TDM network with a p2p TDM connection<br>
&gt; - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)<br>
&gt; - An MPLS LSP using a traffic engineered IP network<br>
&gt; - A L2VPN using a traffic engineered MPLS network<br>
&gt; - A L3VPN using a traffic engineered IP network<br>
&gt; - A TCP connection using a traffic engineered IP network<br>
&gt; - Different QoS classes in an IP network<br>
&gt;<br>
&gt; Thinking a bit about it I came to the point where &quot;VPN&quot; and =
&quot;network<br>
&gt; slices&quot; seem to describe the same entity or at least a &quot;netw=
ork slice&quot;<br>
&gt; being a VPN of VPNs?<br>
&gt;<br>
&gt; Gert<br>
&gt;<br>
&gt;<br>
&gt; On 2017-05-17, 16:44, &quot;Teas on behalf of Leeyoung&quot;<br>
&gt; &lt;<a href=3D"mailto:teas-bounces@ietf.org">teas-bounces@ietf.org</a>=
 on behalf of <a href=3D"mailto:leeyoung@huawei.com">leeyoung@huawei.com</a=
>&gt; wrote:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Hi Adrian and others,<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0We&#39;d like cross check with you on some terminol=
ogy we introduced newly. Any<br>
&gt;=C2=A0 =C2=A0 =C2=A0comment on these terms will be greatly appreciated.=
<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0We introduced &#39;network slicing&#39; as follows:=
<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Network slicing is a co=
llection of resources<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0that are used to establ=
ish logically dedicated virtual networks<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0over TE networks. It al=
lows a network provider to provide<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0dedicated virtual netwo=
rks for application/customer over a<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0common network infrastr=
ucture. The logically dedicated<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0resources are a part of=
 the larger common network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0infrastructures that ar=
e shared among various network slice<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0instances which are the=
 end-to-end realization of network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0slicing, consisting of =
the combination of physically or<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0logically dedicated res=
ources.<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Thanks.<br>
&gt;=C2=A0 =C2=A0 =C2=A0Young and Daniele<br>
&gt;=C2=A0 =C2=A0 =C2=A0-----Original Message-----<br>
&gt;=C2=A0 =C2=A0 =C2=A0From: Leeyoung<br>
&gt;=C2=A0 =C2=A0 =C2=A0Sent: Friday, May 05, 2017 1:41 PM<br>
&gt;=C2=A0 =C2=A0 =C2=A0To: <a href=3D"mailto:teas@ietf.org">teas@ietf.org<=
/a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Subject: RE: [Teas] I-D Action:<br>
&gt; draft-ietf-teas-actn-<wbr>framework-05.txt<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Hi,<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0This update is intended to incorporate the comments=
 from the last WG<br>
&gt;=C2=A0 =C2=A0 =C2=A0meeting and any pending issues. We also have taken =
the global editorial<br>
&gt;=C2=A0 =C2=A0 =C2=A0changes to make it consistent through the document.=
 Major changes are:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Inclusion of &quot;network slicing&quot; definiti=
on from ACTN perspective (in the<br>
&gt;=C2=A0 =C2=A0 =C2=A0terminology section)<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Added virtual network service (VNS) section (Sect=
ion 3) to define types<br>
&gt;=C2=A0 =C2=A0 =C2=A0of VNS.<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Incorporated &quot;orchestration&quot; (service/n=
etwork) mapping to ACTN<br>
&gt;=C2=A0 =C2=A0 =C2=A0architecture (See Section 5.2)<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Created a new section 6 (Topology Abstraction Met=
hod) where we imported<br>
&gt;=C2=A0 =C2=A0 =C2=A0some texts from ACTN abstraction method<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/draft-lee-te=
as-actn-abstraction-01" rel=3D"noreferrer" target=3D"_blank">https://tools.=
ietf.org/html/<wbr>draft-lee-teas-actn-<wbr>abstraction-01</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0- Added Appendices A &amp; B to discuss example dep=
loyment scenarios such as<br>
&gt;=C2=A0 =C2=A0 =C2=A0example of MDSC and PNC functions integrated in Ser=
vice/Network<br>
&gt;=C2=A0 =C2=A0 =C2=A0Orchestrator (Appendix A) and example of IP + Optic=
al network with L3VPN<br>
&gt;=C2=A0 =C2=A0 =C2=A0service (Appendix B)<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0In regard to ACTN abstraction method draft, we are =
going to keep it as a<br>
&gt;=C2=A0 =C2=A0 =C2=A0separate draft and use this document to elaborate o=
ther aspects not<br>
&gt;=C2=A0 =C2=A0 =C2=A0imported to the framework document.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The following diff pointer will help you see the ch=
anges with this revision:<br>
&gt;<br>
&gt; <a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-fr=
amework-05" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdi=
ff?<wbr>url2=3Ddraft-ietf-teas-actn-<wbr>framework-05</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The co-authors believe that the document is ready f=
or WG LC. Any<br>
&gt;=C2=A0 =C2=A0 =C2=A0changes/comments will be appreciated.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Thanks &amp; Best regards,<br>
&gt;=C2=A0 =C2=A0 =C2=A0Young &amp; Daniele (on behalf of other co-authors/=
contributors)<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0-----Original Message-----<br>
&gt;=C2=A0 =C2=A0 =C2=A0From: Teas [mailto:<a href=3D"mailto:teas-bounces@i=
etf.org">teas-bounces@ietf.org</a>] On Behalf Of <a href=3D"mailto:internet=
-drafts@ietf.org">internet-drafts@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Sent: Friday, May 05, 2017 10:41 AM<br>
&gt;=C2=A0 =C2=A0 =C2=A0To: <a href=3D"mailto:i-d-announce@ietf.org">i-d-an=
nounce@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Cc: <a href=3D"mailto:teas@ietf.org">teas@ietf.org<=
/a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Subject: [Teas] I-D Action: draft-ietf-teas-actn-<w=
br>framework-05.txt<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0A New Internet-Draft is available from the on-line =
Internet-Drafts directories.<br>
&gt;=C2=A0 =C2=A0 =C2=A0This draft is a work item of the Traffic Engineerin=
g Architecture and<br>
&gt;=C2=A0 =C2=A0 =C2=A0Signaling of the IETF.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Title=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0: Framework for Abstraction and Control of Traffic<=
br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Engineered Networks<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Authors=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0: Daniele Ceccarelli<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Young Lee<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-=
ietf-teas-actn-<wbr>framework-05.txt<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0: 41<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 : 2017-05-05<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Abstract:<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Traffic Engineered networks have a variety =
of mechanisms to<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 facilitate the separation of the data plane=
 and control plane. They<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 also have a range of management and provisi=
oning protocols to<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 configure and activate network resources.=
=C2=A0 These mechanisms<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 represent key technologies for enabling fle=
xible and dynamic<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 networking.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Abstraction of network resources is a techn=
ique that can be applied<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 to a single network domain or across multip=
le domains to create a<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 single virtualized network that is under th=
e control of a network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 operator or the customer of the operator th=
at actually owns<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 the network resources.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 This document provides a framework for Abst=
raction and Control of<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Traffic Engineered Networks (ACTN).<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The IETF datatracker status page for this draft is:=
<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org/doc/draft-i=
etf-teas-actn-framework/" rel=3D"noreferrer" target=3D"_blank">https://data=
tracker.ietf.org/<wbr>doc/draft-ietf-teas-actn-<wbr>framework/</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0There are also htmlized versions available at:<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/draft-ietf-t=
eas-actn-framework-05" rel=3D"noreferrer" target=3D"_blank">https://tools.i=
etf.org/html/<wbr>draft-ietf-teas-actn-<wbr>framework-05</a><br>
&gt;<br>
&gt; <a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-=
framework-0" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.=
org/<wbr>doc/html/draft-ietf-teas-actn-<wbr>framework-0</a><br>
&gt; 5<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0A diff from the previous version is available at:<b=
r>
&gt;<br>
&gt; <a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-fr=
amework-05" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdi=
ff?<wbr>url2=3Ddraft-ietf-teas-actn-<wbr>framework-05</a><br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Please note that it may take a couple of minutes fr=
om the time of<br>
&gt;=C2=A0 =C2=A0 =C2=A0submission until the htmlized version and diff are =
available at <a href=3D"http://tools.ietf.org" rel=3D"noreferrer" target=3D=
"_blank">tools.ietf.org</a>.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Internet-Drafts are also available by anonymous FTP=
 at:<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"ftp://ftp.ietf.org/internet-drafts/" rel=
=3D"noreferrer" target=3D"_blank">ftp://ftp.ietf.org/internet-<wbr>drafts/<=
/a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0______________________________<wbr>________________=
_<br>
&gt;=C2=A0 =C2=A0 =C2=A0Teas mailing list<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><=
br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.org/mailman/listinfo/te=
as" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/mailman/<wbr>=
listinfo/teas</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0______________________________<wbr>________________=
_<br>
&gt;=C2=A0 =C2=A0 =C2=A0Teas mailing list<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><=
br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.org/mailman/listinfo/te=
as" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/mailman/<wbr>=
listinfo/teas</a><br>
&gt;<br>
&gt;<br>
&gt; ______________________________<wbr>_________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><br>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferr=
er" target=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><b=
r>
&gt;<br>
&gt; ______________________________<wbr>_________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><br>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferr=
er" target=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><b=
r>
&gt;<br>
&gt; ______________________________<wbr>_________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org">Teas@ietf.org</a><br>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferr=
er" target=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><b=
r>
&gt;<br>
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From: Jeff Tantsura <jefftant.ietf@gmail.com>
Date: Sat, 20 May 2017 06:21:17 +0000
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To: Greg Mirsky <gregimirsky@gmail.com>,  Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
Cc: Leeyoung <leeyoung@huawei.com>, "NetSlices@ietf.org" <NetSlices@ietf.org>,  "teas@ietf.org" <teas@ietf.org>
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Subject: Re: [Teas] [Netslices] terminology discussion network slicing
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Hi,

1. Resources assigned to a slice are not necessarily virtual
2.An LSP that is used to provide transport for a service (eg L2/L3 VPN)is
not necessarily TE, and that doesn't make a VPN any less a VPN
3.Slice LS management is not done by IETF, YANG data modeling work is
crucial to provide level of abstraction needed in
multi-domain/multi-technology environment.

In general, from ACTN prospective it is nothing different than resource
allocation that meets constrains as requested by business logic.

Jari and myself have done 5G/slicing introduction to IAB during this week
retreat and planning to follow up with the work in that area.

Cheers,
Jeff
On Fri, May 19, 2017 at 21:14 Greg Mirsky <gregimirsky@gmail.com> wrote:

> Hi Daniele,
> I think that my interpretation of network slice construct definition by
> 3GPP is slightly different. Please find my comments in-line tagged GIM>>.
> Some are to do with terminology but, I believe, it is helpful to settle t=
he
> dictionary and agree on the interpretation of terms.
>
> Regards,
> Greg
>
> On Sat, May 20, 2017 at 4:18 AM, Daniele Ceccarelli <
> daniele.ceccarelli@ericsson.com> wrote:
>
>> Hi Young, all,
>>
>> i agree with your conclusion but would like to clarify one thing that IM=
O
>> got lost in the discussion since its beginning.
>>
>> The 3GPP definition says:
>> "A set of network functions and the resources for these network function=
s
>> which are arranged and configured, forming a complete logical network to
>> meet certain network characteristics."
>>
>> This means that a network slice IS NOT a VPN or a TE Tunnel.
>>
> GIM>> My view is that VPN or a TE Tunnel could be part of instantiation o=
f
> a network slice. There likely to be additional to TE parameters that may =
be
> considered, depending on the profile of the service requested the NS.
>
>
>> A network slice is "something" (netslices and 3GPP will define what this
>> something is) that is composed by a "piece" in the RADIO domain, a "piec=
e"
>> in the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible ot=
her
>> pieces in possible other domains.
>>
> GIM>> I see separation of RAN and "transport" networks. Indeed, there wil=
l
> be e2e construct (will it be still referred as "network slice" or
> "multi-domain NS") but it can be decomposed into domain-scope NSes. What
> you referred to as "piece" I consider as domain-scope NS.
>
>>
>> The word "transport" can be misleading here since one could think of
>> transport technologies (e.g. WDM, OTN), but what I'm referring to as
>> TRANSPORT DOMAIN is that part of the network that is used to carry a pac=
ket
>> between two other domains.
>> In order to have a slice, that portion of the transport domain needs to
>> be engineered, hence it is all about building a TE entity and stitching
>> services to such entity. This is what is in the ACTN scope.
>>
> GIM>> Should we use Client-Server terms?
>
>>
>> My very personal opinion is that whatever belongs to the transport domai=
n
>> belongs to IETF (and is already being addressed), while the rest is a
>> dangerous duplication of concepts standardized is other SDOs...but this =
is
>> another discussion that doesn't fit here.
>>
>> BR
>> Daniele
>>
>>
>> -----Original Message-----
>> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
>> Sent: venerd=C3=AC 19 maggio 2017 15:15
>> To: teas@ietf.org
>> Cc: NetSlices@ietf.org
>>
> Subject: Re: [Teas] terminology discussion network slicing
>>
>> Hi,
>>
>> Lou is right. There is a dedicated email list for the discussion of
>> "network slicing (cc'ed)" and the discussion about what that term means
>> should be held on that list.
>>
>> We have used similar language in draft-ietf-teas-actn-framework right
>> from the
>> 00 version. Recent changes have been an attempt to clarify what the
>> terminology means in the context of ACTN. We are not trying to define or
>> redefine "network slicing" in the ACTN document, but are trying to make =
it
>> clear how ACTN works.
>>
>> Therefore I propose the following resolution:
>>
>> 1. All discussion of the general applicability and definition of "networ=
k
>> slicing" is held on the netslices mailing list.
>>
>> 2. We adopt Adrian's suggestion to explain that the scope of the
>> definition of the terms used in the ACTN framework is limited to ACTN. T=
hat
>> means effectively that if there are components of a wider definition of
>> network slicing that are not supported by ACTN, that will be OK.
>>
>> I propose to post an updated version in the next few days and I believe
>> that will allow this draft to move ahead without being blocked by the
>> discussion in netslices. Once the IETF has a stable definition of networ=
k
>> slicing we can return and see how ACTN is applicable to that definition =
an
>> whether more wok is need (in a separate draft).
>>
>> Thanks,
>> Young
>>
>> -----Original Message-----
>> From: Lou Berger [mailto:lberger@labn.net]
>> Sent: Tuesday, May 16, 2017 8:35 AM
>> To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia -
>> IT/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel <
>> ggrammel@juniper.net>; Leeyoung <leeyoung@huawei.com>; teas@ietf.org;
>> adrian@olddog.co.uk
>> Subject: Re: [Teas] terminology discussion network slicing
>>
>> Perhaps it's time to bring the discussion to the slicing list and report
>> back their reaponse....
>>
>> Lou
>>
>>
>> On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:
>>
>> > Hi Sergio,
>> >
>> > I would also like to hear more from network slicing experts.
>> >
>> > My understanding is that the difference in the separation (in terms of
>> > control and data planes, security, etc.). For example, traditional BGP
>> > based L3 VPNs (that use provider's common control plane for their
>> > management and IP/MPLS TE tunnels to inter-connect their PEs) will
>> > probably not be able guarantee for the clients msec range connectivity
>> > setup times required by 5g, while provided by the same provider fully
>> > separated/genuinely private IP/MPLS networks (that do not share
>> > IP/MPLS control plane and infrastructure, whose network topology is
>> > supported by separate L0/L1 connections) hopefully will be able to
>> > provide such guarantees. Therefore, I define layer network slices as
>> > dynamically managed fully isolated in control and data planes private
>> > TE layer networks, which may share one or more underlying server layer
>> networks.
>> >
>> >
>> > Cheers,
>> > Igor
>> >
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio
>> > (Nokia - IT/Vimercate)
>> > Sent: Tuesday, May 16, 2017 6:08 AM
>> > To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
>> > Subject: Re: [Teas] terminology discussion network slicing
>> >
>> > Hi Gert,
>> >
>> > "Thinking a bit about it I came to the point where "VPN" and "network
>> > slices" seem to describe the same entity or at least a "network slice"
>> > being a VPN of VPNs?"
>> >
>> > I share completely your conclusion , I'd like if someone can explain
>> > if a difference really exists .
>> >
>> > Thanks
>> > Sergio
>> >
>> >
>> > -----Original Message-----
>> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
>> > Sent: Monday, May 15, 2017 7:02 PM
>> > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
>> > Subject: Re: [Teas] terminology discussion network slicing
>> >
>> > Leeyoung,
>> >
>> > Thank you for taking a stab on this. Usually when getting to a
>> > definition, I try to establish what kind of existing constructs would
>> > fall under the definition. If my understanding is correct, the
>> > following list of constructs would all satisfy the definition somehow.
>> > - A TDM network with a p2p TDM connection
>> > - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
>> > - An MPLS LSP using a traffic engineered IP network
>> > - A L2VPN using a traffic engineered MPLS network
>> > - A L3VPN using a traffic engineered IP network
>> > - A TCP connection using a traffic engineered IP network
>> > - Different QoS classes in an IP network
>> >
>> > Thinking a bit about it I came to the point where "VPN" and "network
>> > slices" seem to describe the same entity or at least a "network slice"
>> > being a VPN of VPNs?
>> >
>> > Gert
>> >
>> >
>> > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"
>> > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
>> >
>> >     Hi Adrian and others,
>> >
>> >     We'd like cross check with you on some terminology we introduced
>> newly. Any
>> >     comment on these terms will be greatly appreciated.
>> >
>> >     We introduced 'network slicing' as follows:
>> >
>> >             Network slicing is a collection of resources
>> >             that are used to establish logically dedicated virtual
>> networks
>> >             over TE networks. It allows a network provider to provide
>> >             dedicated virtual networks for application/customer over a
>> >             common network infrastructure. The logically dedicated
>> >             resources are a part of the larger common network
>> >             infrastructures that are shared among various network slic=
e
>> >             instances which are the end-to-end realization of network
>> >             slicing, consisting of the combination of physically or
>> >             logically dedicated resources.
>> >
>> >
>> >     Thanks.
>> >     Young and Daniele
>> >     -----Original Message-----
>> >     From: Leeyoung
>> >     Sent: Friday, May 05, 2017 1:41 PM
>> >     To: teas@ietf.org
>> >     Subject: RE: [Teas] I-D Action:
>> > draft-ietf-teas-actn-framework-05.txt
>> >
>> >     Hi,
>> >
>> >     This update is intended to incorporate the comments from the last =
WG
>> >     meeting and any pending issues. We also have taken the global
>> editorial
>> >     changes to make it consistent through the document. Major changes
>> are:
>> >
>> >     - Inclusion of "network slicing" definition from ACTN perspective
>> (in the
>> >     terminology section)
>> >     - Added virtual network service (VNS) section (Section 3) to defin=
e
>> types
>> >     of VNS.
>> >     - Incorporated "orchestration" (service/network) mapping to ACTN
>> >     architecture (See Section 5.2)
>> >     - Created a new section 6 (Topology Abstraction Method) where we
>> imported
>> >     some texts from ACTN abstraction method
>> >     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>> >     - Added Appendices A & B to discuss example deployment scenarios
>> such as
>> >     example of MDSC and PNC functions integrated in Service/Network
>> >     Orchestrator (Appendix A) and example of IP + Optical network with
>> L3VPN
>> >     service (Appendix B)
>> >
>> >     In regard to ACTN abstraction method draft, we are going to keep i=
t
>> as a
>> >     separate draft and use this document to elaborate other aspects no=
t
>> >     imported to the framework document.
>> >
>> >     The following diff pointer will help you see the changes with this
>> revision:
>> >
>> > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>> >
>> >     The co-authors believe that the document is ready for WG LC. Any
>> >     changes/comments will be appreciated.
>> >
>> >     Thanks & Best regards,
>> >     Young & Daniele (on behalf of other co-authors/contributors)
>> >
>> >     -----Original Message-----
>> >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of
>> internet-drafts@ietf.org
>> >     Sent: Friday, May 05, 2017 10:41 AM
>> >     To: i-d-announce@ietf.org
>> >     Cc: teas@ietf.org
>> >     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>> >
>> >
>> >     A New Internet-Draft is available from the on-line Internet-Drafts
>> directories.
>> >     This draft is a work item of the Traffic Engineering Architecture
>> and
>> >     Signaling of the IETF.
>> >
>> >             Title           : Framework for Abstraction and Control of
>> Traffic
>> >             Engineered Networks
>> >             Authors         : Daniele Ceccarelli
>> >                               Young Lee
>> >       Filename        : draft-ietf-teas-actn-framework-05.txt
>> >       Pages           : 41
>> >       Date            : 2017-05-05
>> >
>> >     Abstract:
>> >        Traffic Engineered networks have a variety of mechanisms to
>> >        facilitate the separation of the data plane and control plane.
>> They
>> >        also have a range of management and provisioning protocols to
>> >        configure and activate network resources.  These mechanisms
>> >        represent key technologies for enabling flexible and dynamic
>> >        networking.
>> >
>> >        Abstraction of network resources is a technique that can be
>> applied
>> >        to a single network domain or across multiple domains to create=
 a
>> >        single virtualized network that is under the control of a netwo=
rk
>> >        operator or the customer of the operator that actually owns
>> >        the network resources.
>> >
>> >        This document provides a framework for Abstraction and Control =
of
>> >        Traffic Engineered Networks (ACTN).
>> >
>> >
>> >
>> >     The IETF datatracker status page for this draft is:
>> >     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>> >
>> >     There are also htmlized versions available at:
>> >     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>> >
>> > https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
>> > 5
>> >
>> >     A diff from the previous version is available at:
>> >
>> > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>> >
>> >
>> >     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/
>> >
>> >     _______________________________________________
>> >     Teas mailing list
>> >     Teas@ietf.org
>> >     https://www.ietf.org/mailman/listinfo/teas
>> >
>> >     _______________________________________________
>> >     Teas mailing list
>> >     Teas@ietf.org
>> >     https://www.ietf.org/mailman/listinfo/teas
>> >
>> >
>> > _______________________________________________
>> > Teas mailing list
>> > Teas@ietf.org
>> > https://www.ietf.org/mailman/listinfo/teas
>> >
>> > _______________________________________________
>> > Teas mailing list
>> > Teas@ietf.org
>> > https://www.ietf.org/mailman/listinfo/teas
>> >
>> > _______________________________________________
>> > Teas mailing list
>> > Teas@ietf.org
>> > https://www.ietf.org/mailman/listinfo/teas
>> >
>>
>>
>> _______________________________________________
>> Teas mailing list
>> Teas@ietf.org
>> https://www.ietf.org/mailman/listinfo/teas
>>
>> _______________________________________________
>>
> Netslices mailing list
>> Netslices@ietf.org
>> https://www.ietf.org/mailman/listinfo/netslices
>>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>

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Hi,<br><br>1. Resources assigned to a slice are not necessarily virtual<br>=
2.An LSP that is used to provide transport for a service (eg L2/L3 VPN)is n=
ot necessarily TE, and that doesn&#39;t make a VPN any less a VPN<br>3.Slic=
e LS management is not done by IETF, YANG data modeling work is crucial to =
provide level of abstraction needed in multi-domain/multi-technology enviro=
nment.<br><br>In general, from ACTN prospective it is nothing different tha=
n resource allocation that meets constrains as requested by business logic.=
<br><br>Jari and myself have done 5G/slicing introduction to IAB during thi=
s week retreat and planning to follow up with the work in that area.<br><br=
>Cheers,<br>Jeff<br><div class=3D"gmail_quote"><div dir=3D"ltr">On Fri, May=
 19, 2017 at 21:14 Greg Mirsky &lt;<a href=3D"mailto:gregimirsky@gmail.com"=
>gregimirsky@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x"><div dir=3D"ltr">Hi Daniele,<div>I think that my interpretation of netwo=
rk slice construct definition by 3GPP is slightly different. Please find my=
 comments in-line tagged GIM&gt;&gt;. Some are to do with terminology but, =
I believe, it is helpful to settle the dictionary and agree on the interpre=
tation of terms.</div><div><br></div><div>Regards,</div><div>Greg</div><div=
 class=3D"gmail_extra"><br><div class=3D"gmail_quote"></div></div></div><di=
v dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote">On Sat,=
 May 20, 2017 at 4:18 AM, Daniele Ceccarelli <span dir=3D"ltr">&lt;<a href=
=3D"mailto:daniele.ceccarelli@ericsson.com" target=3D"_blank">daniele.cecca=
relli@ericsson.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">=
Hi Young, all,<br>
<br>
i agree with your conclusion but would like to clarify one thing that IMO g=
ot lost in the discussion since its beginning.<br>
<br>
The 3GPP definition says:<br>
&quot;A set of network functions and the resources for these network functi=
ons which are arranged and configured, forming a complete logical network t=
o meet certain network characteristics.&quot;<br>
<br>
This means that a network slice IS NOT a VPN or a TE Tunnel.<br></blockquot=
e></div></div></div><div dir=3D"ltr"><div class=3D"gmail_extra"><div class=
=3D"gmail_quote"><div>GIM&gt;&gt; My view is that VPN or a TE Tunnel could =
be part of instantiation of a network slice. There likely to be additional =
to TE parameters that may be considered, depending on the profile of the se=
rvice requested the NS.</div></div></div></div><div dir=3D"ltr"><div class=
=3D"gmail_extra"><div class=3D"gmail_quote"><div>=C2=A0</div><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;p=
adding-left:1ex">
A network slice is &quot;something&quot; (netslices and 3GPP will define wh=
at this something is) that is composed by a &quot;piece&quot; in the RADIO =
domain, a &quot;piece&quot; in the CLOUD domain, a &quot;piece&quot; in the=
 TRANSPORT domain, plus possible other pieces in possible other domains.<br=
></blockquote></div></div></div><div dir=3D"ltr"><div class=3D"gmail_extra"=
><div class=3D"gmail_quote"><div>GIM&gt;&gt; I see separation of RAN and &q=
uot;transport&quot; networks. Indeed, there will be e2e construct (will it =
be still referred as &quot;network slice&quot; or &quot;multi-domain NS&quo=
t;) but it can be decomposed into domain-scope NSes. What you referred to a=
s &quot;piece&quot; I consider as domain-scope NS.</div></div></div></div><=
div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote"><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #cc=
c solid;padding-left:1ex">
<br>
The word &quot;transport&quot; can be misleading here since one could think=
 of transport technologies (e.g. WDM, OTN), but what I&#39;m referring to a=
s TRANSPORT DOMAIN is that part of the network that is used to carry a pack=
et between two other domains.<br>
In order to have a slice, that portion of the transport domain needs to be =
engineered, hence it is all about building a TE entity and stitching servic=
es to such entity. This is what is in the ACTN scope.<br></blockquote></div=
></div></div><div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmai=
l_quote"><div>GIM&gt;&gt; Should we use Client-Server terms?=C2=A0</div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex"></blockquote></div></div></div><div dir=3D"ltr"=
><div class=3D"gmail_extra"><div class=3D"gmail_quote"><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex">
<br>
My very personal opinion is that whatever belongs to the transport domain b=
elongs to IETF (and is already being addressed), while the rest is a danger=
ous duplication of concepts standardized is other SDOs...but this is anothe=
r discussion that doesn&#39;t fit here.<br>
<br>
BR<br>
<span class=3D"m_-5407545285378184371HOEnZb"><font color=3D"#888888">Daniel=
e<br>
</font></span><span class=3D"m_-5407545285378184371im m_-540754528537818437=
1HOEnZb"><br>
<br>
-----Original Message-----<br>
From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org" target=3D"_blan=
k">teas-bounces@ietf.org</a>] On Behalf Of Leeyoung<br>
Sent: venerd=C3=AC 19 maggio 2017 15:15<br>
To: <a href=3D"mailto:teas@ietf.org" target=3D"_blank">teas@ietf.org</a><br=
>
Cc: <a href=3D"mailto:NetSlices@ietf.org" target=3D"_blank">NetSlices@ietf.=
org</a><br>
</span></blockquote></div></div></div><div dir=3D"ltr"><div class=3D"gmail_=
extra"><div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div cla=
ss=3D"m_-5407545285378184371HOEnZb"><div class=3D"m_-5407545285378184371h5"=
>Subject: Re: [Teas] terminology discussion network slicing<br>
<br>
Hi,<br>
<br>
Lou is right. There is a dedicated email list for the discussion of &quot;n=
etwork slicing (cc&#39;ed)&quot; and the discussion about what that term me=
ans should be held on that list.<br>
<br>
We have used similar language in draft-ietf-teas-actn-framework right from =
the<br>
00 version. Recent changes have been an attempt to clarify what the termino=
logy means in the context of ACTN. We are not trying to define or redefine =
&quot;network slicing&quot; in the ACTN document, but are trying to make it=
 clear how ACTN works.<br>
<br>
Therefore I propose the following resolution:<br>
<br>
1. All discussion of the general applicability and definition of &quot;netw=
ork slicing&quot; is held on the netslices mailing list.<br>
<br>
2. We adopt Adrian&#39;s suggestion to explain that the scope of the defini=
tion of the terms used in the ACTN framework is limited to ACTN. That means=
 effectively that if there are components of a wider definition of network =
slicing that are not supported by ACTN, that will be OK.<br>
<br>
I propose to post an updated version in the next few days and I believe tha=
t will allow this draft to move ahead without being blocked by the discussi=
on in netslices. Once the IETF has a stable definition of network slicing w=
e can return and see how ACTN is applicable to that definition an whether m=
ore wok is need (in a separate draft).<br>
<br>
Thanks,<br>
Young<br>
<br>
-----Original Message-----<br>
From: Lou Berger [mailto:<a href=3D"mailto:lberger@labn.net" target=3D"_bla=
nk">lberger@labn.net</a>]<br>
Sent: Tuesday, May 16, 2017 8:35 AM<br>
To: Igor Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@huawei.com" target=3D"_=
blank">Igor.Bryskin@huawei.com</a>&gt;; Belotti, Sergio (Nokia - IT/Vimerca=
te) &lt;<a href=3D"mailto:sergio.belotti@nokia.com" target=3D"_blank">sergi=
o.belotti@nokia.com</a>&gt;; Gert Grammel &lt;<a href=3D"mailto:ggrammel@ju=
niper.net" target=3D"_blank">ggrammel@juniper.net</a>&gt;; Leeyoung &lt;<a =
href=3D"mailto:leeyoung@huawei.com" target=3D"_blank">leeyoung@huawei.com</=
a>&gt;; <a href=3D"mailto:teas@ietf.org" target=3D"_blank">teas@ietf.org</a=
>; <a href=3D"mailto:adrian@olddog.co.uk" target=3D"_blank">adrian@olddog.c=
o.uk</a><br>
Subject: Re: [Teas] terminology discussion network slicing<br>
<br>
Perhaps it&#39;s time to bring the discussion to the slicing list and repor=
t back their reaponse....<br>
<br>
Lou<br>
<br>
<br>
On May 16, 2017 8:31:19 AM Igor Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@=
huawei.com" target=3D"_blank">Igor.Bryskin@huawei.com</a>&gt; wrote:<br>
<br>
&gt; Hi Sergio,<br>
&gt;<br>
&gt; I would also like to hear more from network slicing experts.<br>
&gt;<br>
&gt; My understanding is that the difference in the separation (in terms of=
<br>
&gt; control and data planes, security, etc.). For example, traditional BGP=
<br>
&gt; based L3 VPNs (that use provider&#39;s common control plane for their<=
br>
&gt; management and IP/MPLS TE tunnels to inter-connect their PEs) will<br>
&gt; probably not be able guarantee for the clients msec range connectivity=
<br>
&gt; setup times required by 5g, while provided by the same provider fully<=
br>
&gt; separated/genuinely private IP/MPLS networks (that do not share<br>
&gt; IP/MPLS control plane and infrastructure, whose network topology is<br=
>
&gt; supported by separate L0/L1 connections) hopefully will be able to<br>
&gt; provide such guarantees. Therefore, I define layer network slices as<b=
r>
&gt; dynamically managed fully isolated in control and data planes private<=
br>
&gt; TE layer networks, which may share one or more underlying server layer=
 networks.<br>
&gt;<br>
&gt;<br>
&gt; Cheers,<br>
&gt; Igor<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org" target=3D"=
_blank">teas-bounces@ietf.org</a>] On Behalf Of Belotti, Sergio<br>
&gt; (Nokia - IT/Vimercate)<br>
&gt; Sent: Tuesday, May 16, 2017 6:08 AM<br>
&gt; To: Gert Grammel; Leeyoung; <a href=3D"mailto:teas@ietf.org" target=3D=
"_blank">teas@ietf.org</a>; <a href=3D"mailto:adrian@olddog.co.uk" target=
=3D"_blank">adrian@olddog.co.uk</a><br>
&gt; Subject: Re: [Teas] terminology discussion network slicing<br>
&gt;<br>
&gt; Hi Gert,<br>
&gt;<br>
&gt; &quot;Thinking a bit about it I came to the point where &quot;VPN&quot=
; and &quot;network<br>
&gt; slices&quot; seem to describe the same entity or at least a &quot;netw=
ork slice&quot;<br>
&gt; being a VPN of VPNs?&quot;<br>
&gt;<br>
&gt; I share completely your conclusion , I&#39;d like if someone can expla=
in<br>
&gt; if a difference really exists .<br>
&gt;<br>
&gt; Thanks<br>
&gt; Sergio<br>
&gt;<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org" target=3D"=
_blank">teas-bounces@ietf.org</a>] On Behalf Of Gert Grammel<br>
&gt; Sent: Monday, May 15, 2017 7:02 PM<br>
&gt; To: Leeyoung &lt;<a href=3D"mailto:leeyoung@huawei.com" target=3D"_bla=
nk">leeyoung@huawei.com</a>&gt;; <a href=3D"mailto:teas@ietf.org" target=3D=
"_blank">teas@ietf.org</a>; <a href=3D"mailto:adrian@olddog.co.uk" target=
=3D"_blank">adrian@olddog.co.uk</a><br>
&gt; Subject: Re: [Teas] terminology discussion network slicing<br>
&gt;<br>
&gt; Leeyoung,<br>
&gt;<br>
&gt; Thank you for taking a stab on this. Usually when getting to a<br>
&gt; definition, I try to establish what kind of existing constructs would<=
br>
&gt; fall under the definition. If my understanding is correct, the<br>
&gt; following list of constructs would all satisfy the definition somehow.=
<br>
&gt; - A TDM network with a p2p TDM connection<br>
&gt; - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)<br>
&gt; - An MPLS LSP using a traffic engineered IP network<br>
&gt; - A L2VPN using a traffic engineered MPLS network<br>
&gt; - A L3VPN using a traffic engineered IP network<br>
&gt; - A TCP connection using a traffic engineered IP network<br>
&gt; - Different QoS classes in an IP network<br>
&gt;<br>
&gt; Thinking a bit about it I came to the point where &quot;VPN&quot; and =
&quot;network<br>
&gt; slices&quot; seem to describe the same entity or at least a &quot;netw=
ork slice&quot;<br>
&gt; being a VPN of VPNs?<br>
&gt;<br>
&gt; Gert<br>
&gt;<br>
&gt;<br>
&gt; On 2017-05-17, 16:44, &quot;Teas on behalf of Leeyoung&quot;<br>
&gt; &lt;<a href=3D"mailto:teas-bounces@ietf.org" target=3D"_blank">teas-bo=
unces@ietf.org</a> on behalf of <a href=3D"mailto:leeyoung@huawei.com" targ=
et=3D"_blank">leeyoung@huawei.com</a>&gt; wrote:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Hi Adrian and others,<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0We&#39;d like cross check with you on some terminol=
ogy we introduced newly. Any<br>
&gt;=C2=A0 =C2=A0 =C2=A0comment on these terms will be greatly appreciated.=
<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0We introduced &#39;network slicing&#39; as follows:=
<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Network slicing is a co=
llection of resources<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0that are used to establ=
ish logically dedicated virtual networks<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0over TE networks. It al=
lows a network provider to provide<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0dedicated virtual netwo=
rks for application/customer over a<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0common network infrastr=
ucture. The logically dedicated<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0resources are a part of=
 the larger common network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0infrastructures that ar=
e shared among various network slice<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0instances which are the=
 end-to-end realization of network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0slicing, consisting of =
the combination of physically or<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0logically dedicated res=
ources.<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Thanks.<br>
&gt;=C2=A0 =C2=A0 =C2=A0Young and Daniele<br>
&gt;=C2=A0 =C2=A0 =C2=A0-----Original Message-----<br>
&gt;=C2=A0 =C2=A0 =C2=A0From: Leeyoung<br>
&gt;=C2=A0 =C2=A0 =C2=A0Sent: Friday, May 05, 2017 1:41 PM<br>
&gt;=C2=A0 =C2=A0 =C2=A0To: <a href=3D"mailto:teas@ietf.org" target=3D"_bla=
nk">teas@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Subject: RE: [Teas] I-D Action:<br>
&gt; draft-ietf-teas-actn-framework-05.txt<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Hi,<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0This update is intended to incorporate the comments=
 from the last WG<br>
&gt;=C2=A0 =C2=A0 =C2=A0meeting and any pending issues. We also have taken =
the global editorial<br>
&gt;=C2=A0 =C2=A0 =C2=A0changes to make it consistent through the document.=
 Major changes are:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Inclusion of &quot;network slicing&quot; definiti=
on from ACTN perspective (in the<br>
&gt;=C2=A0 =C2=A0 =C2=A0terminology section)<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Added virtual network service (VNS) section (Sect=
ion 3) to define types<br>
&gt;=C2=A0 =C2=A0 =C2=A0of VNS.<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Incorporated &quot;orchestration&quot; (service/n=
etwork) mapping to ACTN<br>
&gt;=C2=A0 =C2=A0 =C2=A0architecture (See Section 5.2)<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Created a new section 6 (Topology Abstraction Met=
hod) where we imported<br>
&gt;=C2=A0 =C2=A0 =C2=A0some texts from ACTN abstraction method<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/draft-lee-te=
as-actn-abstraction-01" rel=3D"noreferrer" target=3D"_blank">https://tools.=
ietf.org/html/draft-lee-teas-actn-abstraction-01</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0- Added Appendices A &amp; B to discuss example dep=
loyment scenarios such as<br>
&gt;=C2=A0 =C2=A0 =C2=A0example of MDSC and PNC functions integrated in Ser=
vice/Network<br>
&gt;=C2=A0 =C2=A0 =C2=A0Orchestrator (Appendix A) and example of IP + Optic=
al network with L3VPN<br>
&gt;=C2=A0 =C2=A0 =C2=A0service (Appendix B)<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0In regard to ACTN abstraction method draft, we are =
going to keep it as a<br>
&gt;=C2=A0 =C2=A0 =C2=A0separate draft and use this document to elaborate o=
ther aspects not<br>
&gt;=C2=A0 =C2=A0 =C2=A0imported to the framework document.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The following diff pointer will help you see the ch=
anges with this revision:<br>
&gt;<br>
&gt; <a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-fr=
amework-05" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdi=
ff?url2=3Ddraft-ietf-teas-actn-framework-05</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The co-authors believe that the document is ready f=
or WG LC. Any<br>
&gt;=C2=A0 =C2=A0 =C2=A0changes/comments will be appreciated.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Thanks &amp; Best regards,<br>
&gt;=C2=A0 =C2=A0 =C2=A0Young &amp; Daniele (on behalf of other co-authors/=
contributors)<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0-----Original Message-----<br>
&gt;=C2=A0 =C2=A0 =C2=A0From: Teas [mailto:<a href=3D"mailto:teas-bounces@i=
etf.org" target=3D"_blank">teas-bounces@ietf.org</a>] On Behalf Of <a href=
=3D"mailto:internet-drafts@ietf.org" target=3D"_blank">internet-drafts@ietf=
.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Sent: Friday, May 05, 2017 10:41 AM<br>
&gt;=C2=A0 =C2=A0 =C2=A0To: <a href=3D"mailto:i-d-announce@ietf.org" target=
=3D"_blank">i-d-announce@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Cc: <a href=3D"mailto:teas@ietf.org" target=3D"_bla=
nk">teas@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Subject: [Teas] I-D Action: draft-ietf-teas-actn-fr=
amework-05.txt<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0A New Internet-Draft is available from the on-line =
Internet-Drafts directories.<br>
&gt;=C2=A0 =C2=A0 =C2=A0This draft is a work item of the Traffic Engineerin=
g Architecture and<br>
&gt;=C2=A0 =C2=A0 =C2=A0Signaling of the IETF.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Title=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0: Framework for Abstraction and Control of Traffic<=
br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Engineered Networks<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Authors=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0: Daniele Ceccarelli<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Young Lee<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-=
ietf-teas-actn-framework-05.txt<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0: 41<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 : 2017-05-05<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Abstract:<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Traffic Engineered networks have a variety =
of mechanisms to<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 facilitate the separation of the data plane=
 and control plane. They<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 also have a range of management and provisi=
oning protocols to<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 configure and activate network resources.=
=C2=A0 These mechanisms<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 represent key technologies for enabling fle=
xible and dynamic<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 networking.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Abstraction of network resources is a techn=
ique that can be applied<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 to a single network domain or across multip=
le domains to create a<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 single virtualized network that is under th=
e control of a network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 operator or the customer of the operator th=
at actually owns<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 the network resources.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 This document provides a framework for Abst=
raction and Control of<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Traffic Engineered Networks (ACTN).<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The IETF datatracker status page for this draft is:=
<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org/doc/draft-i=
etf-teas-actn-framework/" rel=3D"noreferrer" target=3D"_blank">https://data=
tracker.ietf.org/doc/draft-ietf-teas-actn-framework/</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0There are also htmlized versions available at:<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/draft-ietf-t=
eas-actn-framework-05" rel=3D"noreferrer" target=3D"_blank">https://tools.i=
etf.org/html/draft-ietf-teas-actn-framework-05</a><br>
&gt;<br>
&gt; <a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-=
framework-0" rel=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.=
org/doc/html/draft-ietf-teas-actn-framework-0</a><br>
&gt; 5<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0A diff from the previous version is available at:<b=
r>
&gt;<br>
&gt; <a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-fr=
amework-05" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdi=
ff?url2=3Ddraft-ietf-teas-actn-framework-05</a><br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Please note that it may take a couple of minutes fr=
om the time of<br>
&gt;=C2=A0 =C2=A0 =C2=A0submission until the htmlized version and diff are =
available at <a href=3D"http://tools.ietf.org" rel=3D"noreferrer" target=3D=
"_blank">tools.ietf.org</a>.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Internet-Drafts are also available by anonymous FTP=
 at:<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"ftp://ftp.ietf.org/internet-drafts/" rel=
=3D"noreferrer" target=3D"_blank">ftp://ftp.ietf.org/internet-drafts/</a><b=
r>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0_______________________________________________<br>
&gt;=C2=A0 =C2=A0 =C2=A0Teas mailing list<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">=
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&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.org/mailman/listinfo/te=
as" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/mailman/listi=
nfo/teas</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0_______________________________________________<br>
&gt;=C2=A0 =C2=A0 =C2=A0Teas mailing list<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">=
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&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.org/mailman/listinfo/te=
as" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/mailman/listi=
nfo/teas</a><br>
&gt;<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><b=
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&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferr=
er" target=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><b=
r>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferr=
er" target=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><b=
r>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferr=
er" target=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
&gt;<br>
<br>
<br>
_______________________________________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" rel=3D"noreferrer" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/teas</a><br>
<br>
_______________________________________________<br></div></div></blockquote=
></div></div></div><div dir=3D"ltr"><div class=3D"gmail_extra"><div class=
=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex"><div class=3D"m_-5407545285=
378184371HOEnZb"><div class=3D"m_-5407545285378184371h5">
Netslices mailing list<br>
<a href=3D"mailto:Netslices@ietf.org" target=3D"_blank">Netslices@ietf.org<=
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_______________________________________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
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</blockquote></div>

--94eb2c0de4d0ed4930054feea576--


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To: Igor Bryskin <Igor.Bryskin@huawei.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: "qiangli (D)" <qiangli3@huawei.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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aWNlcw0K


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Subject: [Teas] I-D Action: draft-ietf-teas-assoc-corouted-bidir-frr-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 Traffic Engineering Architecture and Signaling of the IETF.

        Title           : Fast Reroute Procedures For Associated Bidirectional Label Switched Paths (LSPs)
        Authors         : Rakesh Gandhi
                          Himanshu Shah
                          Jeremy Whittaker
	Filename        : draft-ietf-teas-assoc-corouted-bidir-frr-00.txt
	Pages           : 11
	Date            : 2017-05-18

Abstract:
   Resource Reservation Protocol (RSVP) association signaling can be
   used to bind two unidirectional LSPs into an associated bidirectional
   LSP.  When an associated bidirectional LSP is co-routed, the reverse
   LSP follows the same path as its forward LSP.  This document
   describes Fast Reroute (FRR) procedures for both single-sided and
   double-sided provisioned associated bidirectional LSPs.  The FRR
   procedures are applicable to co-routed and non co-routed LSPs.  For
   co-routed LSPs, the FRR procedures can ensure that traffic flows on
   co-routed paths in the forward and reverse directions after a failure
   event.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-assoc-corouted-bidir-frr/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-assoc-corouted-bidir-frr-00
https://datatracker.ietf.org/doc/html/draft-ietf-teas-assoc-corouted-bidir-frr-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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--001a1143ff2e21918e0550231ab9
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Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
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If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.

--001a1143ff2e21918e0550231ab9
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<div dir="ltr">Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any <span class="gmail-il">IPR</span> that applies to drafts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I&#39;m not aware of any <span class="gmail-il">IPR</span> that applies to this draft&quot;<br>
or<br>
&quot;Yes, I&#39;m aware of <span class="gmail-il">IPR</span> that applies to this draft&quot;<br>
<br>
If so, has this <span class="gmail-il">IPR</span> been disclosed in compliance with IETF <span class="gmail-il">IPR</span> rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
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<br>
&quot;Yes, the <span class="gmail-il">IPR</span> has been disclosed in compliance with IETF <span class="gmail-il">IPR</span> rules&quot;<br>
or<br>
&quot;No, the <span class="gmail-il">IPR</span> has not been disclosed&quot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
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TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed<br>
as an author or contributor, we remind you of your obligations under<br>
the IETF <span class="gmail-il">IPR</span> rules which encourages you to notify the IETF if you are<br>
aware of <span class="gmail-il">IPR</span> of others on an IETF contribution, or to refrain from<br>
participating in any contribution or discussion related to your<br>
undisclosed <span class="gmail-il">IPR</span>. For more information, please see the RFCs listed above<br>
and<br>
<a href="http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty" rel="noreferrer" target="_blank">http://trac.tools.ietf.org/<wbr>group/iesg/trac/wiki/<wbr>IntellectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your<br>
response.<br>
</div>

--001a1143ff2e21918e0550231ab9--


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In-Reply-To: <CA+YzgTvckqLVww7wQTVu6a==B_iG6=Fs5EX=3NbVNJyQOQp6Aw@mail.gmail.com>
Date: Mon, 22 May 2017 22:20:13 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/LY4xGP81xtrfr61GkQrcSctxYQ8>
Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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No, I'm not aware of any IPR that applies to this draft.
=20
Thanks,
Adrian
=20
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Vishnu Pavan =
Beeram
Sent: 22 May 2017 21:56
To: afarrel@juniper.net; quintin.zhao@huawei.com; lizhenbin@huawei.com; =
chao.zhou@cisco.com; cmargaria@juniper.net; scheruathur@juniper.net; =
Dhruv Dhody; Daniel King; ihussain@infinera.com; Anurag Sharma; =
eric.wu@huawei.com
Cc: TEAS WG Chairs; teas@ietf.org
Subject: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
=20
Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
appropriate.

If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.

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vlink=3Dpurple style=3D'tab-interval:36.0pt'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";mso-bidi-fon=
t-family:"Times New Roman";color:#1F497D'>No, I'm not aware of any IPR =
that applies to this draft.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";mso-bidi-fon=
t-family:"Times New Roman";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";mso-bidi-fon=
t-family:"Times New =
Roman";color:#1F497D'>Thanks,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";mso-bidi-fon=
t-family:"Times New Roman";color:#1F497D'>Adrian<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";mso-bidi-fon=
t-family:"Times New =
Roman";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div =
style=3D'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt'><div><div style=3D'border:none;border-top:solid #B5C4DF =
1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=3DMsoNormal><b><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-f=
ont-family:"Times New =
Roman";mso-ansi-language:EN-US'>From:</span></b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-f=
ont-family:"Times New Roman";mso-ansi-language:EN-US'> Teas =
[mailto:teas-bounces@ietf.org] <b>On Behalf Of </b>Vishnu Pavan =
Beeram<br><b>Sent:</b> 22 May 2017 21:56<br><b>To:</b> =
afarrel@juniper.net; quintin.zhao@huawei.com; lizhenbin@huawei.com; =
chao.zhou@cisco.com; cmargaria@juniper.net; scheruathur@juniper.net; =
Dhruv Dhody; Daniel King; ihussain@infinera.com; Anurag Sharma; =
eric.wu@huawei.com<br><b>Cc:</b> TEAS WG Chairs; =
teas@ietf.org<br><b>Subject:</b> [Teas] Regarding IPR on =
draft-ietf-teas-pce-central-control<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p =
class=3DMsoNormal>Authors, Contributors, WG,<br><br>As part of the =
preparation for WG Last Call<br><br>Are you aware of any <span =
class=3Dgmail-il>IPR</span> that applies to drafts identified =
above?<br><br>Please state either:<br><br>&quot;No, I'm not aware of any =
<span class=3Dgmail-il>IPR</span> that applies to this =
draft&quot;<br>or<br>&quot;Yes, I'm aware of <span =
class=3Dgmail-il>IPR</span> that applies to this draft&quot;<br><br>If =
so, has this <span class=3Dgmail-il>IPR</span> been disclosed in =
compliance with IETF <span class=3Dgmail-il>IPR</span> rules<br>(see =
RFCs 3979, 4879, 3669 and 5378 for more details)?<br><br>If yes to the =
above, please state either:<br><br>&quot;Yes, the <span =
class=3Dgmail-il>IPR</span> has been disclosed in compliance with IETF =
<span class=3Dgmail-il>IPR</span> rules&quot;<br>or<br>&quot;No, the =
<span class=3Dgmail-il>IPR</span> has not been disclosed&quot;<br><br>If =
you answer no, please provide any additional details you =
think<br>appropriate.<br><br>If you are listed as a document author or =
contributor please answer the<br>above by responding to this email =
regardless of whether or not you are<br>aware of any relevant <span =
class=3Dgmail-il>IPR</span>. This document will not advance to the =
next<br>stage until a response has been received from each author and =
listed<br>contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS =
MESSAGE'S<br>TO LINES.<br><br>If you are on the WG email list or attend =
WG meetings but are not listed<br>as an author or contributor, we remind =
you of your obligations under<br>the IETF <span =
class=3Dgmail-il>IPR</span> rules which encourages you to notify the =
IETF if you are<br>aware of <span class=3Dgmail-il>IPR</span> of others =
on an IETF contribution, or to refrain from<br>participating in any =
contribution or discussion related to your<br>undisclosed <span =
class=3Dgmail-il>IPR</span>. For more information, please see the RFCs =
listed above<br>and<br><a =
href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualPrope=
rty" =
target=3D"_blank">http://trac.tools.ietf.org/group/iesg/trac/wiki/Intelle=
ctualProperty</a>.<br><br>Thank you,<br>TEAS WG Chairs<br><br>PS Please =
include all listed in the headers of this message in =
your<br>response.<o:p></o:p></p></div></div></div></body></html>
------=_NextPart_000_0262_01D2D349.95B07AD0--


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From: "Chao Zhou (czhou)" <czhou@cisco.com>
To: Vishnu Pavan Beeram <vishnupavan@gmail.com>
CC: "afarrel@juniper.net" <afarrel@juniper.net>, "quintin.zhao@huawei.com" <quintin.zhao@huawei.com>, "lizhenbin@huawei.com" <lizhenbin@huawei.com>, "chao.zhou@cisco.com" <chao.zhou@cisco.com>, "cmargaria@juniper.net" <cmargaria@juniper.net>, "scheruathur@juniper.net" <scheruathur@juniper.net>, Dhruv Dhody <dhruv.dhody@huawei.com>, Daniel King <daniel@olddog.co.uk>, "ihussain@infinera.com" <ihussain@infinera.com>, Anurag Sharma <AnSharma@infinera.com>, "eric.wu@huawei.com" <eric.wu@huawei.com>, "teas@ietf.org" <teas@ietf.org>, TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-pce-central-control
Thread-Index: AQHS0z3c7In+sGeV8Eikd9zasJtBcqIBGwIh
Date: Tue, 23 May 2017 01:06:02 +0000
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Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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No, I'm not aware of any IPR that applies to this draft.

Thanks,
-Chao

On May 22, 2017, at 4:56 PM, Vishnu Pavan Beeram <vishnupavan@gmail.com<mai=
lto:vishnupavan@gmail.com>> wrote:

Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
appropriate.

If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.

--_000_D094FD00A9CE4FDA8E1C33D192EC2E6Dciscocom_
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Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body dir=3D"auto">
<div></div>
<div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);">No, I'm not =
aware of any&nbsp;<span class=3D"gmail-il">IPR</span>&nbsp;that applies to =
this draft.</span></div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);"><br>
</span></div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);">Thanks,</spa=
n></div>
<div><span style=3D"background-color: rgba(255, 255, 255, 0);">-Chao</span>=
</div>
</div>
<div><br>
On May 22, 2017, at 4:56 PM, Vishnu Pavan Beeram &lt;<a href=3D"mailto:vish=
nupavan@gmail.com">vishnupavan@gmail.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div>
<div dir=3D"ltr">Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any <span class=3D"gmail-il">IPR</span> that applies to dr=
afts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I'm not aware of any <span class=3D"gmail-il">IPR</span> that app=
lies to this draft&quot;<br>
or<br>
&quot;Yes, I'm aware of <span class=3D"gmail-il">IPR</span> that applies to=
 this draft&quot;<br>
<br>
If so, has this <span class=3D"gmail-il">IPR</span> been disclosed in compl=
iance with IETF
<span class=3D"gmail-il">IPR</span> rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the <span class=3D"gmail-il">IPR</span> has been disclosed in co=
mpliance with IETF
<span class=3D"gmail-il">IPR</span> rules&quot;<br>
or<br>
&quot;No, the <span class=3D"gmail-il">IPR</span> has not been disclosed&qu=
ot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
above by responding to this email regardless of whether or not you are<br>
aware of any relevant <span class=3D"gmail-il">IPR</span>. This document wi=
ll not advance to the next<br>
stage until a response has been received from each author and listed<br>
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S<br>
TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed<br=
>
as an author or contributor, we remind you of your obligations under<br>
the IETF <span class=3D"gmail-il">IPR</span> rules which encourages you to =
notify the IETF if you are<br>
aware of <span class=3D"gmail-il">IPR</span> of others on an IETF contribut=
ion, or to refrain from<br>
participating in any contribution or discussion related to your<br>
undisclosed <span class=3D"gmail-il">IPR</span>. For more information, plea=
se see the RFCs listed above<br>
and<br>
<a href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProp=
erty" rel=3D"noreferrer" target=3D"_blank">http://trac.tools.ietf.org/<wbr>=
group/iesg/trac/wiki/<wbr>IntellectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your<br>
response.<br>
</div>
</div>
</blockquote>
</body>
</html>

--_000_D094FD00A9CE4FDA8E1C33D192EC2E6Dciscocom_--


From nobody Mon May 22 23:21:21 2017
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From: Lizhenbin <lizhenbin@huawei.com>
To: Vishnu Pavan Beeram <vishnupavan@gmail.com>
CC: "afarrel@juniper.net" <afarrel@juniper.net>, Quintin zhao <quintin.zhao@huawei.com>, "chao.zhou@cisco.com" <chao.zhou@cisco.com>, "cmargaria@juniper.net" <cmargaria@juniper.net>, "scheruathur@juniper.net" <scheruathur@juniper.net>, Dhruv Dhody <dhruv.dhody@huawei.com>, Daniel King <daniel@olddog.co.uk>, "ihussain@infinera.com" <ihussain@infinera.com>, Anurag Sharma <AnSharma@infinera.com>, "Wunan (Eric, Technology Planning&IT)" <eric.wu@huawei.com>, "teas@ietf.org" <teas@ietf.org>, TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-pce-central-control
Thread-Index: AQHS0z3gUMBcHRL8tUyisThYLEk4HaIAlOUAgADdrrA=
Date: Tue, 23 May 2017 06:20:28 +0000
Message-ID: <5A5B4DE12C0DAC44AF501CD9A2B01A8D8DF089E1@NKGEML515-MBX.china.huawei.com>
References: <CA+YzgTvckqLVww7wQTVu6a==B_iG6=Fs5EX=3NbVNJyQOQp6Aw@mail.gmail.com> <D094FD00-A9CE-4FDA-8E1C-33D192EC2E6D@cisco.com>
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<p class=3D"MsoNormal"><span lang=3D"EN-US">No, I'm not aware of any&nbsp;<=
span class=3D"gmail-il">IPR</span>&nbsp;that applies to this draft.<o:p></o=
:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
<br>
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best Regards</span><span lang=
=3D"EN-US">,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Zhenbin(Robin)<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp=
;</o:p></span></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
On May 22, 2017, at 4:56 PM, Vishnu Pavan Beeram &lt;<a href=3D"mailto:vish=
nupavan@gmail.com">vishnupavan@gmail.com</a>&gt; wrote:<o:p></o:p></span></=
p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:5.0pt;margin-right:36.0p=
t;margin-bottom:5.0pt;margin-left:36.0pt">
<span lang=3D"EN-US">Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any <span class=3D"gmail-il">IPR</span> that applies to dr=
afts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I'm not aware of any <span class=3D"gmail-il">IPR</span> that app=
lies to this draft&quot;<br>
or<br>
&quot;Yes, I'm aware of <span class=3D"gmail-il">IPR</span> that applies to=
 this draft&quot;<br>
<br>
If so, has this <span class=3D"gmail-il">IPR</span> been disclosed in compl=
iance with IETF
<span class=3D"gmail-il">IPR</span> rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the <span class=3D"gmail-il">IPR</span> has been disclosed in co=
mpliance with IETF
<span class=3D"gmail-il">IPR</span> rules&quot;<br>
or<br>
&quot;No, the <span class=3D"gmail-il">IPR</span> has not been disclosed&qu=
ot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
above by responding to this email regardless of whether or not you are<br>
aware of any relevant <span class=3D"gmail-il">IPR</span>. This document wi=
ll not advance to the next<br>
stage until a response has been received from each author and listed<br>
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S<br>
TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed<br=
>
as an author or contributor, we remind you of your obligations under<br>
the IETF <span class=3D"gmail-il">IPR</span> rules which encourages you to =
notify the IETF if you are<br>
aware of <span class=3D"gmail-il">IPR</span> of others on an IETF contribut=
ion, or to refrain from<br>
participating in any contribution or discussion related to your<br>
undisclosed <span class=3D"gmail-il">IPR</span>. For more information, plea=
se see the RFCs listed above<br>
and<br>
<a href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProp=
erty" target=3D"_blank">http://trac.tools.ietf.org/group/iesg/trac/wiki/Int=
ellectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your<br>
response.<o:p></o:p></span></p>
</div>
</div>
</blockquote>
</div>
</body>
</html>

--_000_5A5B4DE12C0DAC44AF501CD9A2B01A8D8DF089E1NKGEML515MBXchi_--


From nobody Mon May 22 23:51:16 2017
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From: Dhruv Dhody <dhruv.dhody@huawei.com>
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Thread-Topic: Regarding IPR on draft-ietf-teas-pce-central-control
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Date: Tue, 23 May 2017 06:50:53 +0000
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Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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From: Lou Berger <lberger@labn.net>
To: TEAS WG <teas@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/H5N20ZaD2CI92Nl-QjK7oxGaJg0>
Subject: Re: [Teas] WG adoption poll draft-sitaraman-sr-rsvp-coexistence-rec-02
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All,

The adoption poll is complete.

Authors,

Please resubmit the document as
draft-ietf-teas-sr-rsvp-coexistence-rec--00 with only change being to
the 'file' name. 

Thank you,

Lou


On 5/8/2017 12:58 PM, Lou Berger wrote:
> All,
>
> This is start of a two week poll on making
> draft-sitaraman-sr-rsvp-coexistence-rec-02 a working group document. Please
> send email to the list indicating "yes/support" or "no/do not
> support".  If indicating no, please state your reservations with the
> document.  If yes, please also feel free to provide comments you'd
> like to see addressed once the document is a WG document.
>
> The poll ends May 22.
>
> NOTE: IPR has been disclosed - https://datatracker.ietf.org/ipr/2827/
>
> Thanks,
>
> Lou
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>


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From: Xufeng Liu <Xufeng_Liu@jabil.com>
To: Vishnu Pavan Beeram <vbeeram@juniper.net>, Igor Bryskin <Igor.Bryskin@huawei.com>, Oscar Gonzalez De Dios <oscar.gonzalezdedios@telefonica.com>, Tarek Saad <tsaad@cisco.com>, "Himanshu Shah" <hshah@ciena.com>, Lou Berger <lberger@labn.net>, "BRUNGARD, DEBORAH A (ATTLABS)" <db3546@att.com>, Susan Hares <shares@ndzh.com>, "Zafar Ali (zali)" <zali@cisco.com>, "Khaddam, Mazen (CCI-Atlanta)" <Mazen.Khaddam@cox.com>, "BELOTTI, SERGIO (SERGIO)" <sergio.belotti@alcatel-lucent.com>, "Beller, Dieter (Dieter)" <dieter.beller@alcatel-lucent.com>, Rajan Rao <rrao@infinera.com>, "Zhangxian (Xian)" <zhang.xian@huawei.com>, "xufeng.liu.ietf@gmail.com" <xufeng.liu.ietf@gmail.com>, "Belotti, Sergio (Nokia - IT)" <sergio.belotti@nokia.com>, Anurag Sharma <AnSharma@infinera.com>, "Mateusz Waldman" <MWaldman@advaoptical.com>, =?iso-8859-2?Q?Pawe=B3_Kaczmarek?= <PKaczmarek@advaoptical.com>, Monali Chakrabarty <MChakrabarty@advaoptical.com>, Italo Busi <Italo.Busi@huawei.com>, "Carlo Perocchio" <carlo.perocchio@ericsson.com>, "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>, "Giles Heron (giheron)" <giheron@cisco.com>, "Jeff Tantsura" <jefftant.ietf@gmail.com>, Leeyoung <leeyoung@huawei.com>
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Attendees: Igor, Xufeng, Carlo, Dieter, Sergio, Rakesh, Young, Tarek

- NMDA discussion (https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-0=
1) for three options:
1) Compromised position: Publish with the current model, and start an NMDA =
compliant revision in TEAS WG.
   > Proposed by Kent:
     "Perhaps, in the spirit of doing the right thing, the TEAS WG can comm=
it to adopting a draft to publish the NMDA-compatible model ASAP?"

2) NMDA module in main body, and current module in a non-normative appendix=
.
   > Comment from Lou:
     "Keep in mind that the non-nmda modules will still be in a Standards T=
rack RFC,  just in an appendix.  I suspect those that would be discouraged =
by a non-PS document will miss the subtly of the implications of being in a=
n appendix..."

3) NMDA module in main body, a new state model in appendix, and current mod=
el in another appendix with a new name space.
   > Proposed by Rob Wilton:
     https://github.com/rgwilton/ietf-models-to-combined
   "I've just generated the necessary "-state" modules as well, and committ=
ed them to the same github repository above.

    I've also checked that that the modules compile cleanly by confdc (to c=
heck the xpaths) as well as pyang.

    It is worth noting the the changeset to convert the "ietf-te-topology" =
from the current draft to NMDA style is only about 175 lines.  I had anothe=
r 24 line diff to the te-types.yang as well.  I.e. we are really not talkin=
g about a big change here (diffs attached, and combined generated trees att=
ached).

    Given that the modules haven't even been through YANG doctor review yet=
 (which could easily change the structure of the modules), and given that r=
emoving the "config/state" containers is a formulaic change (which I believ=
e I've already done) then I guess that I don't really see why they don't no=
w follow the agreed guidance that they were previously waiting for.

    I.e.
    - Publish the NMDA style modules in the body of the draft.
    - Publish the extra -state modules in the appendix.
    - Publish the current draft modules in another appendix (in a separate =
namespace).

    It feels that adding in the NMDA shouldn't really significantly slow th=
e document progress down, and choosing to publish the current model as the =
main standard seems like a strange choice for IETF to take when we know tha=
t the module has the wrong structure to the future direction in IETF, and t=
hat fixing the draft now to comply seems to be of relatively cheap cost (co=
mpared to the overhead of the YANG doctor review, WG last call, and IESG pu=
blication process).

    Perhaps this draft would be a good test to ensure that the datastore gu=
idelines process works well."

-----
Attendees discussed the three options above, and agreed that:
Option 1) is preferred.
  > The solution fits our situation best.
  > Publish the current version with the current structure ASAP.
  > The current on-going implementations can continue without restructuring=
.
  > The NMDA compatible model will be the next version, with a new document=
, incorcorporating furthur experiences from implementations.
  > NMDA compatible implementation can start in a year or so with planned s=
tructure upgrades, when updated protocol specifications and implementations=
 are available.

- Discussed some type sharing with TE tunnel model
  > disjointness
   o Xufeng will move this type to te-types.

  typedef te-path-disjointness {
    type bits {
      bit node {
        position 0;
        description "Node disjoint.";
      }
      bit link {
        position 1;
        description "Link disjoint.";
      }
      bit srlg {
        position 2;
        description "SRLG (Shared Risk Link Group) disjoint.";
      }
    }
    description
      "Type of the resource disjointness for a TE tunnel path.";
    reference
      "RFC4872: RSVP-TE Extensions in Support of End-to-End
       Generalized Multi-Protocol Label Switching (GMPLS)
       Recovery";
  } // te-path-disjointness

  > path-properties
   o Tarek will move the grouping to te-types

Thanks,

- Xufeng

Note: Please drop me an email if you need an invite for joining the weekly =
call.

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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Attendees: Igor, Xufeng, Carlo, Dieter, Sergio, Rake=
sh, Young, Tarek<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- NMDA discussion (<a href=3D"https://tools.ietf.org=
/html/draft-dsdt-nmda-guidelines-01">https://tools.ietf.org/html/draft-dsdt=
-nmda-guidelines-01</a>) for three options:<o:p></o:p></p>
<p class=3D"MsoNormal">1) Compromised position: Publish with the current mo=
del, and start an NMDA compliant revision in TEAS WG.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &gt; Proposed by Kent: <o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;Perhaps, in the =
spirit of doing the right thing, the TEAS WG can commit to adopting a draft=
 to publish the NMDA-compatible model ASAP?&quot;
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">2) NMDA module in main body, and current module in a=
 non-normative appendix.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &gt; Comment from Lou:<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp; &quot;Keep in mind that the=
 non-nmda modules will still be in a Standards Track RFC,&nbsp; just in an =
appendix.&nbsp; I suspect those that would be discouraged by a non-PS docum=
ent will miss the subtly of the implications of being in an appendix...&quo=
t;<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">3) NMDA module in main body, a new state model in ap=
pendix, and current model in another appendix with a new name space.
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&gt; Proposed by Rob Wilton:<o:p><=
/o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"https://github.c=
om/rgwilton/ietf-models-to-combined">
https://github.com/rgwilton/ietf-models-to-combined</a><o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &quot;I've just generated the necessary=
 &quot;-state&quot; modules as well, and committed them to the same github =
repository above.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; I've also checked that that the m=
odules compile cleanly by confdc (to check the xpaths) as well as pyang.<o:=
p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; It is worth noting the the change=
set to convert the &quot;ietf-te-topology&quot; from the current draft to N=
MDA style is only about 175 lines.&nbsp; I had another 24 line diff to the =
te-types.yang as well.&nbsp; I.e. we are really not talking about a big
 change here (diffs attached, and combined generated trees attached).<o:p><=
/o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; Given that the modules haven't ev=
en been through YANG doctor review yet (which could easily change the struc=
ture of the modules), and given that removing the &quot;config/state&quot; =
containers is a formulaic change (which I believe I've already
 done) then I guess that I don't really see why they don't now follow the a=
greed guidance that they were previously waiting for.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; I.e.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; - Publish the NMDA style modules =
in the body of the draft.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; - Publish the extra -state module=
s in the appendix.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; - Publish the current draft modul=
es in another appendix (in a separate namespace).<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &nbsp;It feels that adding in the NMDA =
shouldn't really significantly slow the document progress down, and choosin=
g to publish the current model as the main standard seems like a strange ch=
oice for IETF to take when we know that the module
 has the wrong structure to the future direction in IETF, and that fixing t=
he draft now to comply seems to be of relatively cheap cost (compared to th=
e overhead of the YANG doctor review, WG last call, and IESG publication pr=
ocess).<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; Perhaps this draft would be a goo=
d test to ensure that the datastore guidelines process works well.&quot;<o:=
p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">-----<o:p></o:p></p>
<p class=3D"MsoNormal">Attendees discussed the three options above, and agr=
eed that:<o:p></o:p></p>
<p class=3D"MsoNormal">Option 1) is preferred.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; The solution fits our situation best.<o:=
p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; Publish the current version with the cur=
rent structure ASAP.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; The current on-going implementations can=
 continue without restructuring.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; The NMDA compatible model will be the ne=
xt version, with a new document, incorcorporating furthur experiences from =
implementations.<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; NMDA compatible implementation can start=
 in a year or so with planned structure upgrades, when updated protocol spe=
cifications and implementations are available.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Discussed some type sharing with TE tunnel model<o=
:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; disjointness<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; o Xufeng will move this type to te-type=
s.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp; typedef te-path-disjointness {<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; type bits {<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; bit node {<o:p></o:p>=
</p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; position =
0;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; descripti=
on &quot;Node disjoint.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; bit link {<o:p></o:p>=
</p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; position =
1;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; descripti=
on &quot;Link disjoint.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;}<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; bit srlg {<o:p></o:p>=
</p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; position =
2;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; descripti=
on &quot;SRLG (Shared Risk Link Group) disjoint.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; }<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; description<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &quot;Type of the res=
ource disjointness for a TE tunnel path.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; reference<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &quot;RFC4872: RSVP-T=
E Extensions in Support of End-to-End<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Generalized Mul=
ti-Protocol Label Switching (GMPLS)<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Recovery&quot;;=
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; } // te-path-disjointness<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; path-properties<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; o Tarek will move the grouping to te-ty=
pes<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Xufeng<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Note: Please drop me an email if you need an invite =
for joining the weekly call.<o:p></o:p></p>
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From: Quintin zhao <quintin.zhao@huawei.com>
To: Vishnu Pavan Beeram <vishnupavan@gmail.com>
CC: "afarrel@juniper.net" <afarrel@juniper.net>, "chao.zhou@cisco.com" <chao.zhou@cisco.com>, "cmargaria@juniper.net" <cmargaria@juniper.net>, "scheruathur@juniper.net" <scheruathur@juniper.net>, Dhruv Dhody <dhruv.dhody@huawei.com>, Daniel King <daniel@olddog.co.uk>, "ihussain@infinera.com" <ihussain@infinera.com>, Anurag Sharma <AnSharma@infinera.com>, "Wunan (Eric, Technology Planning&IT)" <eric.wu@huawei.com>, "teas@ietf.org" <teas@ietf.org>, TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-pce-central-control
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Date: Tue, 23 May 2017 17:53:25 +0000
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Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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No, I'm not aware of any IPR that applies to this draft.

Regards=1B$B!$=1B(B
Quintin


On May 22, 2017, at 4:56 PM, Vishnu Pavan Beeram <vishnupavan@gmail.com<mai=
lto:vishnupavan@gmail.com>> wrote:
Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
appropriate.

If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.

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<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">No, I'm not aware of any&nbsp;<span class=3D"gmail-i=
l">IPR</span>&nbsp;that applies to this draft.<o:p></o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Regards</span><span lang=3D"ZH-CN" styl=
e=3D"font-size:10.5pt;font-family:SimSun">=1B$B!$=1B(B</span><span style=3D=
"font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><=
o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;">Quintin<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
On May 22, 2017, at 4:56 PM, Vishnu Pavan Beeram &lt;<a href=3D"mailto:vish=
nupavan@gmail.com">vishnupavan@gmail.com</a>&gt; wrote:<o:p></o:p></p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
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<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:5.0pt;margin-right:1.0in=
;margin-bottom:5.0pt;margin-left:1.0in">
Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any <span class=3D"gmail-il">IPR</span> that applies to dr=
afts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I'm not aware of any <span class=3D"gmail-il">IPR</span> that app=
lies to this draft&quot;<br>
or<br>
&quot;Yes, I'm aware of <span class=3D"gmail-il">IPR</span> that applies to=
 this draft&quot;<br>
<br>
If so, has this <span class=3D"gmail-il">IPR</span> been disclosed in compl=
iance with IETF
<span class=3D"gmail-il">IPR</span> rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the <span class=3D"gmail-il">IPR</span> has been disclosed in co=
mpliance with IETF
<span class=3D"gmail-il">IPR</span> rules&quot;<br>
or<br>
&quot;No, the <span class=3D"gmail-il">IPR</span> has not been disclosed&qu=
ot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
above by responding to this email regardless of whether or not you are<br>
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References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA644@SJCEML702-CHM.china.huawei.com>
From: Lou Berger <lberger@labn.net>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/7D5OejaqGn9nmLPjDeeSg2Wf7Oc>
Subject: Re: [Teas] Follow up with Lou's comments on ACTN
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Young and Daniel,

Thanks for the response.


On 5/15/2017 11:21 AM, Leeyoung wrote:
>
> Hi Lou,
>
>  
>
> We’d like to follow-up with you on some of the comments you made
> during Chicago TEAS WG meeting. You commented during ACTN framework &
> requirement presentation the following:
>
>  
>
> ·        /Lou Berger: I see this as multi-domain orchestration. I am
> proposing to take the text from the mapping draft into the framework
> draft to help people understanding the ACTN terminology. We need to
> help people understand how the terms in this document relate to the
> terms they already understand. ///
>
>  
>
> Our response: in the revision we have created section 5 where we took
> some text from the mapping draft
> (https://tools.ietf.org/html/draft-zhang-teas-actn-yang-04)
>

The mapping draft I was referring to was the mapping draft on the agenda
at the meeting:
https://tools.ietf.org/html/draft-lee-teas-te-service-mapping-yang


> and drew a figure that shows the relationship between ACTN terminology
> and service/network orchestration. Please see Section 5.2 and Appendix
> A (for an example)
> https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>
>  
>

I think the changes are generally helpful -- of course we still detailed
comments from the WG.

> On the ACTN abstraction model presentation
> (https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01) , you
> made a comment:
>
> ·        /Lou Berger: after you've moved text to the framework
> document, will anything be left in this one?
> /
>
Right, this was/following up on Danielle's comment during his
presentation that parts/much of the document could be moved to the
framework.

/
>
> /Young Lee: there's still stuff that is useful in here.
> Lou: if you aren't using the whole of this document to the framework
> document, it'd be good if you sent a mail to the list to say which
> bits are moving. A complete merge is also OK./
>
>  
>
> Our response: We created a new section 6 (Topology Abstraction Method)
> in the ACTN framework where we imported some key texts from the ACTN
> abstraction method  draft:
> https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01.  Our
> plan is to keep some details (such as motivation, specific
> requirements, etc) on the ACTN abstraction methods draft. 
>
So if you eliminate the text that is now redundant with other documents,
what's new in this draft?
Section 1 is intro, sections 2 and 3 are in other documents -- so this
leaves just section 4 right?  Is there another existing WG document
where this 1.5 pages of text can go?

Thanks,
Lou

>  
>
> Please let us know if our response satisfies you so that we can close
> these two pending issues; and if not, please give us further comments.
>
>  
>
> Thanks.
>
> Young and Daniele
>
> -----Original Message-----
>
> From: Leeyoung
>
> Sent: Friday, May 05, 2017 1:41 PM
>
> To: teas@ietf.org <mailto:teas@ietf.org>
>
> Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>  
>
> Hi,
>
>  
>
> This update is intended to incorporate the comments from the last WG
> meeting and any pending issues. We also have taken the global
> editorial changes to make it consistent through the document. Major
> changes are:
>
>  
>
> - Inclusion of "network slicing" definition from ACTN perspective (in
> the terminology section)
>
> - Added virtual network service (VNS) section (Section 3) to define
> types of VNS.
>
> - Incorporated "orchestration" (service/network) mapping to ACTN
> architecture (See Section 5.2)
>
> - Created a new section 6 (Topology Abstraction Method) where we
> imported some texts from ACTN abstraction method 
> https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>
> - Added Appendices A & B to discuss example deployment scenarios such
> as example of MDSC and PNC functions integrated in Service/Network
> Orchestrator (Appendix A) and example of IP + Optical network with
> L3VPN service (Appendix B)
>
>  
>
> In regard to ACTN abstraction method draft, we are going to keep it as
> a separate draft and use this document to elaborate other aspects not
> imported to the framework document.
>
>  
>
> The following diff pointer will help you see the changes with this
> revision:
>
> https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
>
>  
>
> The co-authors believe that the document is ready for WG LC. Any
> changes/comments will be appreciated.
>
>  
>
> Thanks & Best regards,
>
> Young & Daniele (on behalf of other co-authors/contributors)
>
>  
>
> -----Original Message-----
>
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of
> internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>
>
> Sent: Friday, May 05, 2017 10:41 AM
>
> To: i-d-announce@ietf.org <mailto:i-d-announce@ietf.org>
>
> Cc: teas@ietf.org <mailto:teas@ietf.org>
>
> Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>  
>
>  
>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
>
> This draft is a work item of the Traffic Engineering Architecture and
> Signaling of the IETF.
>
>  
>
>         Title           : Framework for Abstraction and Control of
> Traffic Engineered Networks
>
>         Authors         : Daniele Ceccarelli
>
>                           Young Lee
>
>                Filename        : draft-ietf-teas-actn-framework-05.txt
>
>                Pages           : 41
>
>                Date            : 2017-05-05
>
>  
>
> Abstract:
>
>    Traffic Engineered networks have a variety of mechanisms to
>
>    facilitate the separation of the data plane and control plane. They
>
>    also have a range of management and provisioning protocols to
>
>    configure and activate network resources.  These mechanisms
>
>    represent key technologies for enabling flexible and dynamic
>
>    networking.
>
>  
>
>    Abstraction of network resources is a technique that can be applied
>
>    to a single network domain or across multiple domains to create a
>
>    single virtualized network that is under the control of a network
>
>    operator or the customer of the operator that actually owns
>
>    the network resources.
>
>  
>
>    This document provides a framework for Abstraction and Control of
>
>    Traffic Engineered Networks (ACTN).
>
>  
>
>  
>
>  
>
> The IETF datatracker status page for this draft is:
>
> https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>  
>
> There are also htmlized versions available at:
>
> https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-05
>
>  
>
> A diff from the previous version is available at:
>
> https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-actn-framework-05
>
>  
>
>  
>
> 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/
>
>  
>
> _______________________________________________
>
> Teas mailing list
>
> Teas@ietf.org <mailto:Teas@ietf.org>
>
> https://www.ietf.org/mailman/listinfo/teas
>
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas


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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
CC: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "NetSlices@ietf.org" <NetSlices@ietf.org>
Thread-Topic: [Netslices] [Teas] terminology discussion network slicing
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: Greg Mirsky <gregimirsky@gmail.com>
CC: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>, "NetSlices@ietf.org" <NetSlices@ietf.org>
Thread-Topic: [Netslices] [Teas] terminology discussion network slicing
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: Jeff Tantsura <jefftant.ietf@gmail.com>, Greg Mirsky <gregimirsky@gmail.com>
CC: Leeyoung <leeyoung@huawei.com>, "NetSlices@ietf.org" <NetSlices@ietf.org>,  "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Teas] [Netslices] terminology discussion network slicing
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Date: Tue, 23 May 2017 20:44:16 +0000
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Subject: Re: [Teas] [Netslices] terminology discussion network slicing
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: Igor Bryskin <Igor.Bryskin@huawei.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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Hi Igor,

let me try to answer in line.

Cheers
Daniele  (with a single L) :)=20

-----Original Message-----
From: Netslices [mailto:netslices-bounces@ietf.org] On Behalf Of Igor Brysk=
in
Sent: sabato 20 maggio 2017 00:12
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>; Leeyoung <leeyoun=
g@huawei.com>; teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Netslices] [Teas] terminology discussion network slicing

Hi Danielle,

Network slicing may have nothing to do with radio. 5g is just a big reason =
as to why the interest/focus is back on network slicing, which is a very ol=
d concept. I don't think that anyone is arguing with what you wrote.

[>DC] Whether the network slice has to do with radio depends on the definit=
ion of network slice. If we focus on the "transport" slice then I agree wit=
h you, but the network slice IMO spans multiple domains/segments and radio =
can be one of them (as well as e.g. the cloud)

 The questions are:
a) how do you manage these "pieces"?
[>DC]  I would say independently in each domain/segment and then at the orc=
hestration level someone will be in charge to put the pieces together.

b) what policy infrastructure should be put in place?
[>DC] good question. This definitely needs to be end to end, since the user=
 is paying for it.

c) how do you ensure their separation or, conversely, the degree of resourc=
e sharing?
[>DC] Again per domain/segment. In the cloud you might have different slice=
s sharing the same VNG (e.g. IMS or Packet Core), while in the "transport" =
you might have different slices sharing a same tunnel or having dedicated o=
ne.

d) why exactly legacy VPNs are not good enough?
[>DC] IMO legacy VPNs are good enough as "transport" slice. There are sever=
al mechanisms to e.g. extend them from the "transport" domain to the cloud =
domain or to stitch them to e.g. VXLAN in the DC. They just need to be boun=
d to a TE-tunnel or an ACTN VN if you want to have guaranteed SLA for the s=
ervice using such VPN

Cheers,
Igor


 =20

-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Daniele Ceccarelli
Sent: Friday, May 19, 2017 4:19 PM
To: Leeyoung; teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

Hi Young, all,

i agree with your conclusion but would like to clarify one thing that IMO g=
ot lost in the discussion since its beginning.

The 3GPP definition says:=20
"A set of network functions and the resources for these network functions w=
hich are arranged and configured, forming a complete logical network to mee=
t certain network characteristics."

This means that a network slice IS NOT a VPN or a TE Tunnel.
A network slice is "something" (netslices and 3GPP will define what this so=
mething is) that is composed by a "piece" in the RADIO domain, a "piece" in=
 the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible other p=
ieces in possible other domains.

The word "transport" can be misleading here since one could think of transp=
ort technologies (e.g. WDM, OTN), but what I'm referring to as TRANSPORT DO=
MAIN is that part of the network that is used to carry a packet between two=
 other domains.=20
In order to have a slice, that portion of the transport domain needs to be =
engineered, hence it is all about building a TE entity and stitching servic=
es to such entity. This is what is in the ACTN scope.

My very personal opinion is that whatever belongs to the transport domain b=
elongs to IETF (and is already being addressed), while the rest is a danger=
ous duplication of concepts standardized is other SDOs...but this is anothe=
r discussion that doesn't fit here.

BR
Daniele =20


-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
Sent: venerd=EC 19 maggio 2017 15:15
To: teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

Hi,

Lou is right. There is a dedicated email list for the discussion of "networ=
k slicing (cc'ed)" and the discussion about what that term means should be =
held on that list.=20

We have used similar language in draft-ietf-teas-actn-framework right from =
the
00 version. Recent changes have been an attempt to clarify what the termino=
logy means in the context of ACTN. We are not trying to define or redefine =
"network slicing" in the ACTN document, but are trying to make it clear how=
 ACTN works.

Therefore I propose the following resolution:

1. All discussion of the general applicability and definition of "network s=
licing" is held on the netslices mailing list.

2. We adopt Adrian's suggestion to explain that the scope of the definition=
 of the terms used in the ACTN framework is limited to ACTN. That means eff=
ectively that if there are components of a wider definition of network slic=
ing that are not supported by ACTN, that will be OK.=20

I propose to post an updated version in the next few days and I believe tha=
t will allow this draft to move ahead without being blocked by the discussi=
on in netslices. Once the IETF has a stable definition of network slicing w=
e can return and see how ACTN is applicable to that definition an whether m=
ore wok is need (in a separate draft).

Thanks,
Young

-----Original Message-----
From: Lou Berger [mailto:lberger@labn.net]
Sent: Tuesday, May 16, 2017 8:35 AM
To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - IT/Vim=
ercate) <sergio.belotti@nokia.com>; Gert Grammel <ggrammel@juniper.net>; Le=
eyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
Subject: Re: [Teas] terminology discussion network slicing

Perhaps it's time to bring the discussion to the slicing list and report ba=
ck their reaponse....

Lou


On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:

> Hi Sergio,
>
> I would also like to hear more from network slicing experts.
>
> My understanding is that the difference in the separation (in terms of=20
> control and data planes, security, etc.). For example, traditional BGP=20
> based L3 VPNs (that use provider's common control plane for their=20
> management and IP/MPLS TE tunnels to inter-connect their PEs) will=20
> probably not be able guarantee for the clients msec range connectivity=20
> setup times required by 5g, while provided by the same provider fully=20
> separated/genuinely private IP/MPLS networks (that do not share=20
> IP/MPLS control plane and infrastructure, whose network topology is=20
> supported by separate L0/L1 connections) hopefully will be able to=20
> provide such guarantees. Therefore, I define layer network slices as=20
> dynamically managed fully isolated in control and data planes private=20
> TE layer networks, which may share one or more underlying server layer ne=
tworks.
>
>
> Cheers,
> Igor
>
>
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio=20
> (Nokia - IT/Vimercate)
> Sent: Tuesday, May 16, 2017 6:08 AM
> To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi Gert,
>
> "Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?"
>
> I share completely your conclusion , I'd like if someone can explain=20
> if a difference really exists .
>
> Thanks
> Sergio
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> Sent: Monday, May 15, 2017 7:02 PM
> To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Leeyoung,
>
> Thank you for taking a stab on this. Usually when getting to a=20
> definition, I try to establish what kind of existing constructs would=20
> fall under the definition. If my understanding is correct, the=20
> following list of constructs would all satisfy the definition somehow.
> - A TDM network with a p2p TDM connection
> - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> - An MPLS LSP using a traffic engineered IP network
> - A L2VPN using a traffic engineered MPLS network
> - A L3VPN using a traffic engineered IP network
> - A TCP connection using a traffic engineered IP network
> - Different QoS classes in an IP network
>
> Thinking a bit about it I came to the point where "VPN" and "network=20
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?
>
> Gert
>
>
> On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
> <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
>
>     Hi Adrian and others,
>
>     We'd like cross check with you on some terminology we introduced newl=
y. Any=20
>     comment on these terms will be greatly appreciated.
>
>     We introduced 'network slicing' as follows:
>
>             Network slicing is a collection of resources
>             that are used to establish logically dedicated virtual networ=
ks
>             over TE networks. It allows a network provider to provide
>             dedicated virtual networks for application/customer over a
>             common network infrastructure. The logically dedicated
>             resources are a part of the larger common network
>             infrastructures that are shared among various network slice
>             instances which are the end-to-end realization of network
>             slicing, consisting of the combination of physically or
>             logically dedicated resources.
>
>
>     Thanks.
>     Young and Daniele
>     -----Original Message-----
>     From: Leeyoung
>     Sent: Friday, May 05, 2017 1:41 PM
>     To: teas@ietf.org
>     Subject: RE: [Teas] I-D Action:=20
> draft-ietf-teas-actn-framework-05.txt
>
>     Hi,
>
>     This update is intended to incorporate the comments from the last WG=
=20
>     meeting and any pending issues. We also have taken the global editori=
al=20
>     changes to make it consistent through the document. Major changes are=
:
>
>     - Inclusion of "network slicing" definition from ACTN perspective (in=
 the=20
>     terminology section)
>     - Added virtual network service (VNS) section (Section 3) to define t=
ypes=20
>     of VNS.
>     - Incorporated "orchestration" (service/network) mapping to ACTN=20
>     architecture (See Section 5.2)
>     - Created a new section 6 (Topology Abstraction Method) where we impo=
rted=20
>     some texts from ACTN abstraction method =20
>     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>     - Added Appendices A & B to discuss example deployment scenarios such=
 as=20
>     example of MDSC and PNC functions integrated in Service/Network=20
>     Orchestrator (Appendix A) and example of IP + Optical network with L3=
VPN=20
>     service (Appendix B)
>
>     In regard to ACTN abstraction method draft, we are going to keep it a=
s a=20
>     separate draft and use this document to elaborate other aspects not=20
>     imported to the framework document.
>
>     The following diff pointer will help you see the changes with this re=
vision:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>     The co-authors believe that the document is ready for WG LC. Any=20
>     changes/comments will be appreciated.
>
>     Thanks & Best regards,
>     Young & Daniele (on behalf of other co-authors/contributors)
>
>     -----Original Message-----
>     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-draft=
s@ietf.org
>     Sent: Friday, May 05, 2017 10:41 AM
>     To: i-d-announce@ietf.org
>     Cc: teas@ietf.org
>     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
>     A New Internet-Draft is available from the on-line Internet-Drafts di=
rectories.
>     This draft is a work item of the Traffic Engineering Architecture and=
=20
>     Signaling of the IETF.
>
>             Title           : Framework for Abstraction and Control of Tr=
affic=20
>             Engineered Networks
>             Authors         : Daniele Ceccarelli
>                               Young Lee
>     	Filename        : draft-ietf-teas-actn-framework-05.txt
>     	Pages           : 41
>     	Date            : 2017-05-05
>
>     Abstract:
>        Traffic Engineered networks have a variety of mechanisms to
>        facilitate the separation of the data plane and control plane. The=
y
>        also have a range of management and provisioning protocols to
>        configure and activate network resources.  These mechanisms
>        represent key technologies for enabling flexible and dynamic
>        networking.
>
>        Abstraction of network resources is a technique that can be applie=
d
>        to a single network domain or across multiple domains to create a
>        single virtualized network that is under the control of a network
>        operator or the customer of the operator that actually owns
>        the network resources.
>
>        This document provides a framework for Abstraction and Control of
>        Traffic Engineered Networks (ACTN).
>
>
>
>     The IETF datatracker status page for this draft is:
>     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>     There are also htmlized versions available at:
>     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>    =20
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
>     A diff from the previous version is available at:
>    =20
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>
>     Please note that it may take a couple of minutes from the time of=20
>     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/
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org
>     https://www.ietf.org/mailman/listinfo/teas
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>


_______________________________________________
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From: Cyril Margaria <cmargaria@juniper.net>
To: "EXT-vishnupavan@gmail.com" <vishnupavan@gmail.com>, Adrian Farrel <afarrel@juniper.net>, "quintin.zhao@huawei.com" <quintin.zhao@huawei.com>, "lizhenbin@huawei.com" <lizhenbin@huawei.com>, "chao.zhou@cisco.com" <chao.zhou@cisco.com>, Sudhir Cheruathur <scheruathur@juniper.net>, "Dhruv Dhody" <dhruv.dhody@huawei.com>, Daniel King <daniel@olddog.co.uk>, "ihussain@infinera.com" <IHussain@infinera.com>, Anurag Sharma <AnSharma@infinera.com>, "eric.wu@huawei.com" <eric.wu@huawei.com>
CC: "teas@ietf.org" <teas@ietf.org>, TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-pce-central-control
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/JVASBWLKUHMruQh-YdBOS32dRFM>
Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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No, I'm not aware of any IPR that applies to this draft,


Thanks,

Cyril

________________________________
From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Sent: Monday, May 22, 2017 4:56:15 PM
To: Adrian Farrel; quintin.zhao@huawei.com; lizhenbin@huawei.com; chao.zhou=
@cisco.com; Cyril Margaria; Sudhir Cheruathur; Dhruv Dhody; Daniel King; ih=
ussain@infinera.com; Anurag Sharma; eric.wu@huawei.com
Cc: teas@ietf.org; TEAS WG Chairs
Subject: Regarding IPR on draft-ietf-teas-pce-central-control

Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
appropriate.

If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.

--_000_BN1PR05MB2620116B4470AAA761D637CB5F90BN1PR05MB262namprd_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body>
<style type=3D"text/css" style=3D"display:none;"><!-- P {margin-top:0;margi=
n-bottom:0;} --></style>
<div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;font=
-family:Calibri,Arial,Helvetica,sans-serif;" dir=3D"ltr">
<p><span style=3D"color: rgb(33, 33, 33); font-family: &quot;Times New Roma=
n&quot;, serif, serif, EmojiFont; font-size: 16px;">No, I'm not aware of an=
y IPR that applies to this draft,</span><br>
</p>
<p><span style=3D"color: rgb(33, 33, 33); font-family: &quot;Times New Roma=
n&quot;, serif, serif, EmojiFont; font-size: 16px;"><br>
</span></p>
<p><span style=3D"color: rgb(33, 33, 33); font-family: &quot;Times New Roma=
n&quot;, serif, serif, EmojiFont; font-size: 16px;">Thanks,&nbsp;</span></p=
>
<p><span style=3D"color: rgb(33, 33, 33); font-family: &quot;Times New Roma=
n&quot;, serif, serif, EmojiFont; font-size: 16px;">Cyril</span></p>
</div>
<hr style=3D"display:inline-block;width:98%" tabindex=3D"-1">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" st=
yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Vishnu Pavan Beeram &=
lt;vishnupavan@gmail.com&gt;<br>
<b>Sent:</b> Monday, May 22, 2017 4:56:15 PM<br>
<b>To:</b> Adrian Farrel; quintin.zhao@huawei.com; lizhenbin@huawei.com; ch=
ao.zhou@cisco.com; Cyril Margaria; Sudhir Cheruathur; Dhruv Dhody; Daniel K=
ing; ihussain@infinera.com; Anurag Sharma; eric.wu@huawei.com<br>
<b>Cc:</b> teas@ietf.org; TEAS WG Chairs<br>
<b>Subject:</b> Regarding IPR on draft-ietf-teas-pce-central-control</font>
<div>&nbsp;</div>
</div>
<div>
<div dir=3D"ltr">Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any <span class=3D"gmail-il">IPR</span> that applies to dr=
afts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I'm not aware of any <span class=3D"gmail-il">IPR</span> that app=
lies to this draft&quot;<br>
or<br>
&quot;Yes, I'm aware of <span class=3D"gmail-il">IPR</span> that applies to=
 this draft&quot;<br>
<br>
If so, has this <span class=3D"gmail-il">IPR</span> been disclosed in compl=
iance with IETF
<span class=3D"gmail-il">IPR</span> rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the <span class=3D"gmail-il">IPR</span> has been disclosed in co=
mpliance with IETF
<span class=3D"gmail-il">IPR</span> rules&quot;<br>
or<br>
&quot;No, the <span class=3D"gmail-il">IPR</span> has not been disclosed&qu=
ot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
above by responding to this email regardless of whether or not you are<br>
aware of any relevant <span class=3D"gmail-il">IPR</span>. This document wi=
ll not advance to the next<br>
stage until a response has been received from each author and listed<br>
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S<br>
TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed<br=
>
as an author or contributor, we remind you of your obligations under<br>
the IETF <span class=3D"gmail-il">IPR</span> rules which encourages you to =
notify the IETF if you are<br>
aware of <span class=3D"gmail-il">IPR</span> of others on an IETF contribut=
ion, or to refrain from<br>
participating in any contribution or discussion related to your<br>
undisclosed <span class=3D"gmail-il">IPR</span>. For more information, plea=
se see the RFCs listed above<br>
and<br>
<a href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProp=
erty" rel=3D"noreferrer" target=3D"_blank">http://trac.tools.ietf.org/<wbr>=
group/iesg/trac/wiki/<wbr>IntellectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your<br>
response.<br>
</div>
</div>
</body>
</html>

--_000_BN1PR05MB2620116B4470AAA761D637CB5F90BN1PR05MB262namprd_--


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From: Sudhir Cheruathur <scheruathur@juniper.net>
To: "EXT-vishnupavan@gmail.com" <vishnupavan@gmail.com>
CC: Adrian Farrel <afarrel@juniper.net>, "quintin.zhao@huawei.com" <quintin.zhao@huawei.com>, "lizhenbin@huawei.com" <lizhenbin@huawei.com>, "chao.zhou@cisco.com" <chao.zhou@cisco.com>, Cyril Margaria <cmargaria@juniper.net>, Dhruv Dhody <dhruv.dhody@huawei.com>, Daniel King <daniel@olddog.co.uk>, "ihussain@infinera.com" <ihussain@infinera.com>, Anurag Sharma <AnSharma@infinera.com>, "eric.wu@huawei.com" <eric.wu@huawei.com>, "teas@ietf.org" <teas@ietf.org>, TEAS WG Chairs <teas-chairs@ietf.org>
Thread-Topic: Regarding IPR on draft-ietf-teas-pce-central-control
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/wRcy86-BexCgG852q2XeL2AMpoA>
Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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No, I'm not aware of any IPR that applies to this draft. 

 

Thanks, all. 

 

From: Cyril Margaria [mailto:cmargaria@juniper.net] 
Sent: 23 May 2017 23:02
To: EXT-vishnupavan@gmail.com <vishnupavan@gmail.com>; Adrian Farrel
<afarrel@juniper.net>; quintin.zhao@huawei.com; lizhenbin@huawei.com;
chao.zhou@cisco.com; Sudhir Cheruathur <scheruathur@juniper.net>; Dhruv
Dhody <dhruv.dhody@huawei.com>; Daniel King <daniel@olddog.co.uk>;
IHussain@infinera.com; Anurag Sharma <AnSharma@infinera.com>;
eric.wu@huawei.com
Cc: teas@ietf.org; TEAS WG Chairs <teas-chairs@ietf.org>
Subject: Re: Regarding IPR on draft-ietf-teas-pce-central-control

 

No, I'm not aware of any IPR that applies to this draft,

 

Thanks, 

Cyril

  _____  

From: Vishnu Pavan Beeram <vishnupavan@gmail.com
<mailto:vishnupavan@gmail.com> >
Sent: Monday, May 22, 2017 4:56:15 PM
To: Adrian Farrel; quintin.zhao@huawei.com <mailto:quintin.zhao@huawei.com>
; lizhenbin@huawei.com <mailto:lizhenbin@huawei.com> ; chao.zhou@cisco.com
<mailto:chao.zhou@cisco.com> ; Cyril Margaria; Sudhir Cheruathur; Dhruv
Dhody; Daniel King; ihussain@infinera.com <mailto:ihussain@infinera.com> ;
Anurag Sharma; eric.wu@huawei.com <mailto:eric.wu@huawei.com> 
Cc: teas@ietf.org <mailto:teas@ietf.org> ; TEAS WG Chairs
Subject: Regarding IPR on draft-ietf-teas-pce-central-control 

 

Authors, Contributors, WG,

As part of the preparation for WG Last Call

Are you aware of any IPR that applies to drafts identified above?

Please state either:

"No, I'm not aware of any IPR that applies to this draft"
or
"Yes, I'm aware of IPR that applies to this draft"

If so, has this IPR been disclosed in compliance with IETF IPR rules
(see RFCs 3979, 4879, 3669 and 5378 for more details)?

If yes to the above, please state either:

"Yes, the IPR has been disclosed in compliance with IETF IPR rules"
or
"No, the IPR has not been disclosed"

If you answer no, please provide any additional details you think
appropriate.

If you are listed as a document author or contributor please answer the
above by responding to this email regardless of whether or not you are
aware of any relevant IPR. This document will not advance to the next
stage until a response has been received from each author and listed
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
TO LINES.

If you are on the WG email list or attend WG meetings but are not listed
as an author or contributor, we remind you of your obligations under
the IETF IPR rules which encourages you to notify the IETF if you are
aware of IPR of others on an IETF contribution, or to refrain from
participating in any contribution or discussion related to your
undisclosed IPR. For more information, please see the RFCs listed above
and
http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.

Thank you,
TEAS WG Chairs

PS Please include all listed in the headers of this message in your
response.


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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>No, I'm not aware of any IPR that =
applies to this draft. <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'mso-fareast-language:EN-US'>Thanks, =
all. <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span =
lang=3DEN-US>From:</span></b><span lang=3DEN-US> Cyril Margaria =
[mailto:cmargaria@juniper.net] <br><b>Sent:</b> 23 May 2017 =
23:02<br><b>To:</b> EXT-vishnupavan@gmail.com =
&lt;vishnupavan@gmail.com&gt;; Adrian Farrel =
&lt;afarrel@juniper.net&gt;; quintin.zhao@huawei.com; =
lizhenbin@huawei.com; chao.zhou@cisco.com; Sudhir Cheruathur =
&lt;scheruathur@juniper.net&gt;; Dhruv Dhody =
&lt;dhruv.dhody@huawei.com&gt;; Daniel King &lt;daniel@olddog.co.uk&gt;; =
IHussain@infinera.com; Anurag Sharma &lt;AnSharma@infinera.com&gt;; =
eric.wu@huawei.com<br><b>Cc:</b> teas@ietf.org; TEAS WG Chairs =
&lt;teas-chairs@ietf.org&gt;<br><b>Subject:</b> Re: Regarding IPR on =
draft-ietf-teas-pce-central-control<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div =
id=3Ddivtagdefaultwrapper><p><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:#212121'>No, I'm not aware of any IPR that applies to =
this draft,</span><span =
style=3D'font-size:12.0pt;color:black'><o:p></o:p></span></p><p><span =
style=3D'font-size:12.0pt;color:black'><o:p>&nbsp;</o:p></span></p><p><sp=
an style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:#212121'>Thanks,&nbsp;</span><span =
style=3D'font-size:12.0pt;color:black'><o:p></o:p></span></p><p><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:#212121'>Cyril</span><span =
style=3D'font-size:12.0pt;color:black'><o:p></o:p></span></p></div><div =
class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><hr =
size=3D2 width=3D"98%" align=3Dcenter></div><div id=3DdivRplyFwdMsg><p =
class=3DMsoNormal><b><span style=3D'color:black'>From:</span></b><span =
style=3D'color:black'> Vishnu Pavan Beeram &lt;<a =
href=3D"mailto:vishnupavan@gmail.com">vishnupavan@gmail.com</a>&gt;<br><b=
>Sent:</b> Monday, May 22, 2017 4:56:15 PM<br><b>To:</b> Adrian Farrel; =
<a href=3D"mailto:quintin.zhao@huawei.com">quintin.zhao@huawei.com</a>; =
<a href=3D"mailto:lizhenbin@huawei.com">lizhenbin@huawei.com</a>; <a =
href=3D"mailto:chao.zhou@cisco.com">chao.zhou@cisco.com</a>; Cyril =
Margaria; Sudhir Cheruathur; Dhruv Dhody; Daniel King; <a =
href=3D"mailto:ihussain@infinera.com">ihussain@infinera.com</a>; Anurag =
Sharma; <a =
href=3D"mailto:eric.wu@huawei.com">eric.wu@huawei.com</a><br><b>Cc:</b> =
<a href=3D"mailto:teas@ietf.org">teas@ietf.org</a>; TEAS WG =
Chairs<br><b>Subject:</b> Regarding IPR on =
draft-ietf-teas-pce-central-control</span> <o:p></o:p></p><div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal>Authors, Contributors, WG,<br><br>As part of the =
preparation for WG Last Call<br><br>Are you aware of any <span =
class=3Dgmail-il>IPR</span> that applies to drafts identified =
above?<br><br>Please state either:<br><br>&quot;No, I'm not aware of any =
<span class=3Dgmail-il>IPR</span> that applies to this =
draft&quot;<br>or<br>&quot;Yes, I'm aware of <span =
class=3Dgmail-il>IPR</span> that applies to this draft&quot;<br><br>If =
so, has this <span class=3Dgmail-il>IPR</span> been disclosed in =
compliance with IETF <span class=3Dgmail-il>IPR</span> rules<br>(see =
RFCs 3979, 4879, 3669 and 5378 for more details)?<br><br>If yes to the =
above, please state either:<br><br>&quot;Yes, the <span =
class=3Dgmail-il>IPR</span> has been disclosed in compliance with IETF =
<span class=3Dgmail-il>IPR</span> rules&quot;<br>or<br>&quot;No, the =
<span class=3Dgmail-il>IPR</span> has not been disclosed&quot;<br><br>If =
you answer no, please provide any additional details you =
think<br>appropriate.<br><br>If you are listed as a document author or =
contributor please answer the<br>above by responding to this email =
regardless of whether or not you are<br>aware of any relevant <span =
class=3Dgmail-il>IPR</span>. This document will not advance to the =
next<br>stage until a response has been received from each author and =
listed<br>contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS =
MESSAGE'S<br>TO LINES.<br><br>If you are on the WG email list or attend =
WG meetings but are not listed<br>as an author or contributor, we remind =
you of your obligations under<br>the IETF <span =
class=3Dgmail-il>IPR</span> rules which encourages you to notify the =
IETF if you are<br>aware of <span class=3Dgmail-il>IPR</span> of others =
on an IETF contribution, or to refrain from<br>participating in any =
contribution or discussion related to your<br>undisclosed <span =
class=3Dgmail-il>IPR</span>. For more information, please see the RFCs =
listed above<br>and<br><a =
href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualPrope=
rty" =
target=3D"_blank">http://trac.tools.ietf.org/group/iesg/trac/wiki/Intelle=
ctualProperty</a>.<br><br>Thank you,<br>TEAS WG Chairs<br><br>PS Please =
include all listed in the headers of this message in =
your<br>response.<o:p></o:p></p></div></div></div></body></html>
------=_NextPart_000_0039_01D2D46E.130B3B80--


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From: "qiangli (D)" <qiangli3@huawei.com>
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Igor Bryskin <Igor.Bryskin@huawei.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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To: Igor Bryskin <Igor.Bryskin@huawei.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: "qiangli (D)" <qiangli3@huawei.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Subject: Re: [Teas] terminology discussion  network slicing
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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: "qiangli (D)" <qiangli3@huawei.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Date: Wed, 24 May 2017 05:45:01 -0700
From: Jeff Tantsura <jefftant.ietf@gmail.com>
To: Igor Bryskin <Igor.Bryskin@huawei.com>, "qiangli (D)" <qiangli3@huawei.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
CC: "NetSlices@ietf.org" <NetSlices@ietf.org>
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Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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+1 Igor

>From transport side (L0-L3) we need to expose set of API=E2=80=99s that would all=
ow to request a set of resources (a slice) either virtualized of physical th=
at meet the constrains as requested by the business logic. Radio, while woul=
d definitely be one of most important use cases, would not be exclusively fo=
r radio use only. Any network management/ orchestration layer ideally should=
 be able to use same set of API=E2=80=99s to request an e2e service.

Cheers,
Jeff
=20

On 5/24/17, 05:26, "Teas on behalf of Igor Bryskin" <teas-bounces@ietf.org =
on behalf of Igor.Bryskin@huawei.com> wrote:

    Hi Cristina,
   =20
    I didn=E2=80=99t say that ns has nothing to do with radio. I said that ns *ma=
y* have nothing to do with radio, i.e. may support/enable network architectu=
res that do not involve radio necessarily.
   =20
    Igor
   =20
    -----Original Message-----
    From: qiangli (D)=20
    Sent: Wednesday, May 24, 2017 5:05 AM
    To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion network slicing
   =20
    Hi Igor,
   =20
    I share the same opinion on 5G and network slicing, but can't see the r=
elation between this opinion and your conclusion that ns has nothing to do w=
ith radio.
   =20
    Best regards,
   =20
    Cristina QIANG
   =20
   =20
    -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
    =E5=8F=91=E4=BB=B6=E4=BA=BA: Igor Bryskin=20
    =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2017=E5=B9=B45=E6=9C=8820=E6=97=A5 23:50
    =E6=94=B6=E4=BB=B6=E4=BA=BA: qiangli (D); Daniele Ceccarelli; Leeyoung; teas@ietf.org
    =E6=8A=84=E9=80=81: NetSlices@ietf.org
    =E4=B8=BB=E9=A2=98: RE: [Teas] terminology discussion network slicing
   =20
    Hi Cristina,
   =20
    People whose opinion I respect very much told me that even the 3GPP net=
work slicing definition and effort is not 5G specific.  Network slicing is v=
iewed as an important capability of 5G, but it could serve other architectur=
es.
   =20
    Cheers,
    Igor
   =20
    -----Original Message-----
    From: qiangli (D)
    Sent: Saturday, May 20, 2017 5:27 AM
    To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion network slicing
   =20
    Hi Igor,
   =20
    I have different opinion on " Network slicing may have nothing to do wi=
th radio".
    IMO, network slicing should be a resource-oriented management mode. The=
 end-to-end network slice (from UE to server/other UE) of course involves th=
e radio resource, usually we use the word "RAN-radio access network" rather =
than simply say "radio". The Frequency band, time, code, equipment/site, and=
 software are a number of dimensions, in which RAN resources can be isolated=
 [Online available http://www.huawei.com/en/industry-insights/mbb-2020/trend=
s-insights/5g-service-guaranteed-network-slicing-whitepaper].
   =20
    Best regards,
   =20
    Qiang, Li (Cristina)
    NetLab, Huawei
   =20
   =20
    -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
    =E5=8F=91=E4=BB=B6=E4=BA=BA: Netslices [mailto:netslices-bounces@ietf.org] =E4=BB=A3=E8=A1=A8 Igor Br=
yskin
    =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2017=E5=B9=B45=E6=9C=8820=E6=97=A5 6:12
    =E6=94=B6=E4=BB=B6=E4=BA=BA: Daniele Ceccarelli; Leeyoung; teas@ietf.org
    =E6=8A=84=E9=80=81: NetSlices@ietf.org
    =E4=B8=BB=E9=A2=98: Re: [Netslices] [Teas] terminology discussion network slicing
   =20
    Hi Danielle,
   =20
    Network slicing may have nothing to do with radio. 5g is just a big rea=
son as to why the interest/focus is back on network slicing, which is a very=
 old concept. I don't think that anyone is arguing with what you wrote. The =
questions are:
    a) how do you manage these "pieces"?
    b) what policy infrastructure should be put in place?
    c) how do you ensure their separation or, conversely, the degree of res=
ource sharing?
    d) why exactly legacy VPNs are not good enough?
   =20
    Cheers,
    Igor
   =20
   =20
     =20
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Daniele Ceccarel=
li
    Sent: Friday, May 19, 2017 4:19 PM
    To: Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Hi Young, all,
   =20
    i agree with your conclusion but would like to clarify one thing that I=
MO got lost in the discussion since its beginning.
   =20
    The 3GPP definition says:=20
    "A set of network functions and the resources for these network functio=
ns which are arranged and configured, forming a complete logical network to =
meet certain network characteristics."
   =20
    This means that a network slice IS NOT a VPN or a TE Tunnel.
    A network slice is "something" (netslices and 3GPP will define what thi=
s something is) that is composed by a "piece" in the RADIO domain, a "piece"=
 in the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible other=
 pieces in possible other domains.
   =20
    The word "transport" can be misleading here since one could think of tr=
ansport technologies (e.g. WDM, OTN), but what I'm referring to as TRANSPORT=
 DOMAIN is that part of the network that is used to carry a packet between t=
wo other domains.=20
    In order to have a slice, that portion of the transport domain needs to=
 be engineered, hence it is all about building a TE entity and stitching ser=
vices to such entity. This is what is in the ACTN scope.
   =20
    My very personal opinion is that whatever belongs to the transport doma=
in belongs to IETF (and is already being addressed), while the rest is a dan=
gerous duplication of concepts standardized is other SDOs...but this is anot=
her discussion that doesn't fit here.
   =20
    BR
    Daniele =20
   =20
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
    Sent: venerd=C3=AC 19 maggio 2017 15:15
    To: teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Hi,
   =20
    Lou is right. There is a dedicated email list for the discussion of "ne=
twork slicing (cc'ed)" and the discussion about what that term means should =
be held on that list.=20
   =20
    We have used similar language in draft-ietf-teas-actn-framework right f=
rom the
    00 version. Recent changes have been an attempt to clarify what the ter=
minology means in the context of ACTN. We are not trying to define or redefi=
ne "network slicing" in the ACTN document, but are trying to make it clear h=
ow ACTN works.
   =20
    Therefore I propose the following resolution:
   =20
    1. All discussion of the general applicability and definition of "netwo=
rk slicing" is held on the netslices mailing list.
   =20
    2. We adopt Adrian's suggestion to explain that the scope of the defini=
tion of the terms used in the ACTN framework is limited to ACTN. That means =
effectively that if there are components of a wider definition of network sl=
icing that are not supported by ACTN, that will be OK.=20
   =20
    I propose to post an updated version in the next few days and I believe=
 that will allow this draft to move ahead without being blocked by the discu=
ssion in netslices. Once the IETF has a stable definition of network slicing=
 we can return and see how ACTN is applicable to that definition an whether =
more wok is need (in a separate draft).
   =20
    Thanks,
    Young
   =20
    -----Original Message-----
    From: Lou Berger [mailto:lberger@labn.net]
    Sent: Tuesday, May 16, 2017 8:35 AM
    To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - IT=
/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel <ggrammel@juniper.net>;=
 Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Perhaps it's time to bring the discussion to the slicing list and repor=
t back their reaponse....
   =20
    Lou
   =20
   =20
    On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote=
:
   =20
    > Hi Sergio,
    >
    > I would also like to hear more from network slicing experts.
    >
    > My understanding is that the difference in the separation (in terms o=
f=20
    > control and data planes, security, etc.). For example, traditional BG=
P=20
    > based L3 VPNs (that use provider's common control plane for their=20
    > management and IP/MPLS TE tunnels to inter-connect their PEs) will=20
    > probably not be able guarantee for the clients msec range connectivit=
y=20
    > setup times required by 5g, while provided by the same provider fully=
=20
    > separated/genuinely private IP/MPLS networks (that do not share=20
    > IP/MPLS control plane and infrastructure, whose network topology is=20
    > supported by separate L0/L1 connections) hopefully will be able to=20
    > provide such guarantees. Therefore, I define layer network slices as=20
    > dynamically managed fully isolated in control and data planes private=
=20
    > TE layer networks, which may share one or more underlying server laye=
r networks.
    >
    >
    > Cheers,
    > Igor
    >
    >
    >
    >
    > -----Original Message-----
    > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergi=
o=20
    > (Nokia - IT/Vimercate)
    > Sent: Tuesday, May 16, 2017 6:08 AM
    > To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
    > Subject: Re: [Teas] terminology discussion network slicing
    >
    > Hi Gert,
    >
    > "Thinking a bit about it I came to the point where "VPN" and "network=
=20
    > slices" seem to describe the same entity or at least a "network slice=
"
    > being a VPN of VPNs?"
    >
    > I share completely your conclusion , I'd like if someone can explain=20
    > if a difference really exists .
    >
    > Thanks
    > Sergio
    >
    >
    > -----Original Message-----
    > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
    > Sent: Monday, May 15, 2017 7:02 PM
    > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.u=
k
    > Subject: Re: [Teas] terminology discussion network slicing
    >
    > Leeyoung,
    >
    > Thank you for taking a stab on this. Usually when getting to a=20
    > definition, I try to establish what kind of existing constructs would=
=20
    > fall under the definition. If my understanding is correct, the=20
    > following list of constructs would all satisfy the definition somehow=
.
    > - A TDM network with a p2p TDM connection
    > - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
    > - An MPLS LSP using a traffic engineered IP network
    > - A L2VPN using a traffic engineered MPLS network
    > - A L3VPN using a traffic engineered IP network
    > - A TCP connection using a traffic engineered IP network
    > - Different QoS classes in an IP network
    >
    > Thinking a bit about it I came to the point where "VPN" and "network=20
    > slices" seem to describe the same entity or at least a "network slice=
"
    > being a VPN of VPNs?
    >
    > Gert
    >
    >
    > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
    > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
    >
    >     Hi Adrian and others,
    >
    >     We'd like cross check with you on some terminology we introduced =
newly. Any=20
    >     comment on these terms will be greatly appreciated.
    >
    >     We introduced 'network slicing' as follows:
    >
    >             Network slicing is a collection of resources
    >             that are used to establish logically dedicated virtual ne=
tworks
    >             over TE networks. It allows a network provider to provide
    >             dedicated virtual networks for application/customer over =
a
    >             common network infrastructure. The logically dedicated
    >             resources are a part of the larger common network
    >             infrastructures that are shared among various network sli=
ce
    >             instances which are the end-to-end realization of network
    >             slicing, consisting of the combination of physically or
    >             logically dedicated resources.
    >
    >
    >     Thanks.
    >     Young and Daniele
    >     -----Original Message-----
    >     From: Leeyoung
    >     Sent: Friday, May 05, 2017 1:41 PM
    >     To: teas@ietf.org
    >     Subject: RE: [Teas] I-D Action:=20
    > draft-ietf-teas-actn-framework-05.txt
    >
    >     Hi,
    >
    >     This update is intended to incorporate the comments from the last=
 WG=20
    >     meeting and any pending issues. We also have taken the global edi=
torial=20
    >     changes to make it consistent through the document. Major changes=
 are:
    >
    >     - Inclusion of "network slicing" definition from ACTN perspective=
 (in the=20
    >     terminology section)
    >     - Added virtual network service (VNS) section (Section 3) to defi=
ne types=20
    >     of VNS.
    >     - Incorporated "orchestration" (service/network) mapping to ACTN=20
    >     architecture (See Section 5.2)
    >     - Created a new section 6 (Topology Abstraction Method) where we =
imported=20
    >     some texts from ACTN abstraction method =20
    >     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
    >     - Added Appendices A & B to discuss example deployment scenarios =
such as=20
    >     example of MDSC and PNC functions integrated in Service/Network=20
    >     Orchestrator (Appendix A) and example of IP + Optical network wit=
h L3VPN=20
    >     service (Appendix B)
    >
    >     In regard to ACTN abstraction method draft, we are going to keep =
it as a=20
    >     separate draft and use this document to elaborate other aspects n=
ot=20
    >     imported to the framework document.
    >
    >     The following diff pointer will help you see the changes with thi=
s revision:
    >    =20
    > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
    >
    >     The co-authors believe that the document is ready for WG LC. Any=20
    >     changes/comments will be appreciated.
    >
    >     Thanks & Best regards,
    >     Young & Daniele (on behalf of other co-authors/contributors)
    >
    >     -----Original Message-----
    >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-d=
rafts@ietf.org
    >     Sent: Friday, May 05, 2017 10:41 AM
    >     To: i-d-announce@ietf.org
    >     Cc: teas@ietf.org
    >     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
    >
    >
    >     A New Internet-Draft is available from the on-line Internet-Draft=
s directories.
    >     This draft is a work item of the Traffic Engineering Architecture=
 and=20
    >     Signaling of the IETF.
    >
    >             Title           : Framework for Abstraction and Control o=
f Traffic=20
    >             Engineered Networks
    >             Authors         : Daniele Ceccarelli
    >                               Young Lee
    >     	Filename        : draft-ietf-teas-actn-framework-05.txt
    >     	Pages           : 41
    >     	Date            : 2017-05-05
    >
    >     Abstract:
    >        Traffic Engineered networks have a variety of mechanisms to
    >        facilitate the separation of the data plane and control plane.=
 They
    >        also have a range of management and provisioning protocols to
    >        configure and activate network resources.  These mechanisms
    >        represent key technologies for enabling flexible and dynamic
    >        networking.
    >
    >        Abstraction of network resources is a technique that can be ap=
plied
    >        to a single network domain or across multiple domains to creat=
e a
    >        single virtualized network that is under the control of a netw=
ork
    >        operator or the customer of the operator that actually owns
    >        the network resources.
    >
    >        This document provides a framework for Abstraction and Control=
 of
    >        Traffic Engineered Networks (ACTN).
    >
    >
    >
    >     The IETF datatracker status page for this draft is:
    >     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
    >
    >     There are also htmlized versions available at:
    >     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
    >    =20
    > https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-=
0
    > 5
    >
    >     A diff from the previous version is available at:
    >    =20
    > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
    >
    >
    >     Please note that it may take a couple of minutes from the time of=
=20
    >     submission until the htmlized version and diff are available at t=
ools.ietf.org.
    >
    >     Internet-Drafts are also available by anonymous FTP at:
    >     ftp://ftp.ietf.org/internet-drafts/
    >
    >     _______________________________________________
    >     Teas mailing list
    >     Teas@ietf.org
    >     https://www.ietf.org/mailman/listinfo/teas
    >
    >     _______________________________________________
    >     Teas mailing list
    >     Teas@ietf.org
    >     https://www.ietf.org/mailman/listinfo/teas
    >
    >
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
   =20
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20
    _______________________________________________
    Netslices mailing list
    Netslices@ietf.org
    https://www.ietf.org/mailman/listinfo/netslices
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20



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From: Greg Mirsky <gregimirsky@gmail.com>
Date: Wed, 24 May 2017 20:48:38 +0800
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To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
Cc: Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>,  "NetSlices@ietf.org" <NetSlices@ietf.org>
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Subject: Re: [Teas] [Netslices]  terminology discussion network slicing
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Hi Daniele,
thank you for your kind and thorough consideration, glad we agree on the
terminology. One minor, I think, note and the answer to your question under
GIM2>> tag in-line.

Regards,
Greg

On Wed, May 24, 2017 at 4:39 AM, Daniele Ceccarelli <
daniele.ceccarelli@ericsson.com> wrote:

> Hi Greg,
>
>
>
> good points. Please see in line.
>
>
>
> Cheers
>
> Daniele
>
>
>
> *From:* Greg Mirsky [mailto:gregimirsky@gmail.com]
> *Sent:* sabato 20 maggio 2017 06:14
> *To:* Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
> *Cc:* Leeyoung <leeyoung@huawei.com>; teas@ietf.org; NetSlices@ietf.org
> *Subject:* Re: [Netslices] [Teas] terminology discussion network slicing
>
>
>
> Hi Daniele,
>
> I think that my interpretation of network slice construct definition by
> 3GPP is slightly different. Please find my comments in-line tagged GIM>>.
> Some are to do with terminology but, I believe, it is helpful to settle t=
he
> dictionary and agree on the interpretation of terms.
>
>
>
> Regards,
>
> Greg
>
>
>
> On Sat, May 20, 2017 at 4:18 AM, Daniele Ceccarelli <
> daniele.ceccarelli@ericsson.com> wrote:
>
> Hi Young, all,
>
> i agree with your conclusion but would like to clarify one thing that IMO
> got lost in the discussion since its beginning.
>
> The 3GPP definition says:
> "A set of network functions and the resources for these network functions
> which are arranged and configured, forming a complete logical network to
> meet certain network characteristics."
>
> This means that a network slice IS NOT a VPN or a TE Tunnel.
>
> GIM>> My view is that VPN or a TE Tunnel could be part of instantiation o=
f
> a network slice. There likely to be additional to TE parameters that may =
be
> considered, depending on the profile of the service requested the NS.
>
> *[>DC] I should have said =E2=80=9Cthis means that a network might not be=
 JUST a
> VPN or a TE Tunnel=E2=80=9D and hence agree with you on the fact that the=
 VPN or
> the TE Tunnel could be part of the network slice. *
>
>
>
> A network slice is "something" (netslices and 3GPP will define what this
> something is) that is composed by a "piece" in the RADIO domain, a "piece=
"
> in the CLOUD domain, a "piece" in the TRANSPORT domain, plus possible oth=
er
> pieces in possible other domains.
>
> GIM>> I see separation of RAN and "transport" networks. Indeed, there wil=
l
> be e2e construct (will it be still referred as "network slice" or
> "multi-domain NS") but it can be decomposed into domain-scope NSes. What
> you referred to as "piece" I consider as domain-scope NS.
>
> *[>DC] This is another terminology issue. I agree on the separation
> between the RAN domain and the =E2=80=9Ctransport=E2=80=9D domain (let=E2=
=80=99s keep on using the
> work transport with quotation marks for the time being) and all the other
> domains in the network. IMO the network slice is the end to end entity th=
at
> is built by a RAN slice plus a =E2=80=9Ctransport=E2=80=9D slice plus oth=
er potential
> slices. And the =E2=80=9Ctransport=E2=80=9D slice could be a VPN, a TE tu=
nnel=E2=80=A6*
>
GIM2>> If to a segment of a network slice instance in a core network we
refer as transport domain, then, as I understand, it's peer may be not only
RAN segment but, e.g., segment of an access network of another kind.

>
> The word "transport" can be misleading here since one could think of
> transport technologies (e.g. WDM, OTN), but what I'm referring to as
> TRANSPORT DOMAIN is that part of the network that is used to carry a pack=
et
> between two other domains.
> In order to have a slice, that portion of the transport domain needs to b=
e
> engineered, hence it is all about building a TE entity and stitching
> services to such entity. This is what is in the ACTN scope.
>
> GIM>> Should we use Client-Server terms?
>
> *[>DC] WRT what? Do you mean wrt the fact that the relationship between
> e.g. the RAN slice and the =E2=80=9Ctransport=E2=80=9D slice could be cli=
ent- server? I see
> it more a peering relationship. ON the other side WITHIN the =E2=80=9Ctra=
nsport=E2=80=9D
> slice you could have different layers with client-server relationship,
> that=E2=80=99s right.*
>
GIM2>> Yes, should have been clearer, it is the latter.

>
> My very personal opinion is that whatever belongs to the transport domain
> belongs to IETF (and is already being addressed), while the rest is a
> dangerous duplication of concepts standardized is other SDOs...but this i=
s
> another discussion that doesn't fit here.
>
> BR
> Daniele
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
> Sent: venerd=C3=AC 19 maggio 2017 15:15
> To: teas@ietf.org
> Cc: NetSlices@ietf.org
>
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi,
>
> Lou is right. There is a dedicated email list for the discussion of
> "network slicing (cc'ed)" and the discussion about what that term means
> should be held on that list.
>
> We have used similar language in draft-ietf-teas-actn-framework right fro=
m
> the
> 00 version. Recent changes have been an attempt to clarify what the
> terminology means in the context of ACTN. We are not trying to define or
> redefine "network slicing" in the ACTN document, but are trying to make i=
t
> clear how ACTN works.
>
> Therefore I propose the following resolution:
>
> 1. All discussion of the general applicability and definition of "network
> slicing" is held on the netslices mailing list.
>
> 2. We adopt Adrian's suggestion to explain that the scope of the
> definition of the terms used in the ACTN framework is limited to ACTN. Th=
at
> means effectively that if there are components of a wider definition of
> network slicing that are not supported by ACTN, that will be OK.
>
> I propose to post an updated version in the next few days and I believe
> that will allow this draft to move ahead without being blocked by the
> discussion in netslices. Once the IETF has a stable definition of network
> slicing we can return and see how ACTN is applicable to that definition a=
n
> whether more wok is need (in a separate draft).
>
> Thanks,
> Young
>
> -----Original Message-----
> From: Lou Berger [mailto:lberger@labn.net]
> Sent: Tuesday, May 16, 2017 8:35 AM
> To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia -
> IT/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel <
> ggrammel@juniper.net>; Leeyoung <leeyoung@huawei.com>; teas@ietf.org;
> adrian@olddog.co.uk
> Subject: Re: [Teas] terminology discussion network slicing
>
> Perhaps it's time to bring the discussion to the slicing list and report
> back their reaponse....
>
> Lou
>
>
> On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> wrote:
>
> > Hi Sergio,
> >
> > I would also like to hear more from network slicing experts.
> >
> > My understanding is that the difference in the separation (in terms of
> > control and data planes, security, etc.). For example, traditional BGP
> > based L3 VPNs (that use provider's common control plane for their
> > management and IP/MPLS TE tunnels to inter-connect their PEs) will
> > probably not be able guarantee for the clients msec range connectivity
> > setup times required by 5g, while provided by the same provider fully
> > separated/genuinely private IP/MPLS networks (that do not share
> > IP/MPLS control plane and infrastructure, whose network topology is
> > supported by separate L0/L1 connections) hopefully will be able to
> > provide such guarantees. Therefore, I define layer network slices as
> > dynamically managed fully isolated in control and data planes private
> > TE layer networks, which may share one or more underlying server layer
> networks.
> >
> >
> > Cheers,
> > Igor
> >
> >
> >
> >
> > -----Original Message-----
> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, Sergio
> > (Nokia - IT/Vimercate)
> > Sent: Tuesday, May 16, 2017 6:08 AM
> > To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
> > Subject: Re: [Teas] terminology discussion network slicing
> >
> > Hi Gert,
> >
> > "Thinking a bit about it I came to the point where "VPN" and "network
> > slices" seem to describe the same entity or at least a "network slice"
> > being a VPN of VPNs?"
> >
> > I share completely your conclusion , I'd like if someone can explain
> > if a difference really exists .
> >
> > Thanks
> > Sergio
> >
> >
> > -----Original Message-----
> > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
> > Sent: Monday, May 15, 2017 7:02 PM
> > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; adrian@olddog.co.uk
> > Subject: Re: [Teas] terminology discussion network slicing
> >
> > Leeyoung,
> >
> > Thank you for taking a stab on this. Usually when getting to a
> > definition, I try to establish what kind of existing constructs would
> > fall under the definition. If my understanding is correct, the
> > following list of constructs would all satisfy the definition somehow.
> > - A TDM network with a p2p TDM connection
> > - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> > - An MPLS LSP using a traffic engineered IP network
> > - A L2VPN using a traffic engineered MPLS network
> > - A L3VPN using a traffic engineered IP network
> > - A TCP connection using a traffic engineered IP network
> > - Different QoS classes in an IP network
> >
> > Thinking a bit about it I came to the point where "VPN" and "network
> > slices" seem to describe the same entity or at least a "network slice"
> > being a VPN of VPNs?
> >
> > Gert
> >
> >
> > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"
> > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
> >
> >     Hi Adrian and others,
> >
> >     We'd like cross check with you on some terminology we introduced
> newly. Any
> >     comment on these terms will be greatly appreciated.
> >
> >     We introduced 'network slicing' as follows:
> >
> >             Network slicing is a collection of resources
> >             that are used to establish logically dedicated virtual
> networks
> >             over TE networks. It allows a network provider to provide
> >             dedicated virtual networks for application/customer over a
> >             common network infrastructure. The logically dedicated
> >             resources are a part of the larger common network
> >             infrastructures that are shared among various network slice
> >             instances which are the end-to-end realization of network
> >             slicing, consisting of the combination of physically or
> >             logically dedicated resources.
> >
> >
> >     Thanks.
> >     Young and Daniele
> >     -----Original Message-----
> >     From: Leeyoung
> >     Sent: Friday, May 05, 2017 1:41 PM
> >     To: teas@ietf.org
> >     Subject: RE: [Teas] I-D Action:
> > draft-ietf-teas-actn-framework-05.txt
> >
> >     Hi,
> >
> >     This update is intended to incorporate the comments from the last W=
G
> >     meeting and any pending issues. We also have taken the global
> editorial
> >     changes to make it consistent through the document. Major changes
> are:
> >
> >     - Inclusion of "network slicing" definition from ACTN perspective
> (in the
> >     terminology section)
> >     - Added virtual network service (VNS) section (Section 3) to define
> types
> >     of VNS.
> >     - Incorporated "orchestration" (service/network) mapping to ACTN
> >     architecture (See Section 5.2)
> >     - Created a new section 6 (Topology Abstraction Method) where we
> imported
> >     some texts from ACTN abstraction method
> >     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
> >     - Added Appendices A & B to discuss example deployment scenarios
> such as
> >     example of MDSC and PNC functions integrated in Service/Network
> >     Orchestrator (Appendix A) and example of IP + Optical network with
> L3VPN
> >     service (Appendix B)
> >
> >     In regard to ACTN abstraction method draft, we are going to keep it
> as a
> >     separate draft and use this document to elaborate other aspects not
> >     imported to the framework document.
> >
> >     The following diff pointer will help you see the changes with this
> revision:
> >
> > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
> >
> >     The co-authors believe that the document is ready for WG LC. Any
> >     changes/comments will be appreciated.
> >
> >     Thanks & Best regards,
> >     Young & Daniele (on behalf of other co-authors/contributors)
> >
> >     -----Original Message-----
> >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of
> internet-drafts@ietf.org
> >     Sent: Friday, May 05, 2017 10:41 AM
> >     To: i-d-announce@ietf.org
> >     Cc: teas@ietf.org
> >     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
> >
> >
> >     A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> >     This draft is a work item of the Traffic Engineering Architecture a=
nd
> >     Signaling of the IETF.
> >
> >             Title           : Framework for Abstraction and Control of
> Traffic
> >             Engineered Networks
> >             Authors         : Daniele Ceccarelli
> >                               Young Lee
> >       Filename        : draft-ietf-teas-actn-framework-05.txt
> >       Pages           : 41
> >       Date            : 2017-05-05
> >
> >     Abstract:
> >        Traffic Engineered networks have a variety of mechanisms to
> >        facilitate the separation of the data plane and control plane.
> They
> >        also have a range of management and provisioning protocols to
> >        configure and activate network resources.  These mechanisms
> >        represent key technologies for enabling flexible and dynamic
> >        networking.
> >
> >        Abstraction of network resources is a technique that can be
> applied
> >        to a single network domain or across multiple domains to create =
a
> >        single virtualized network that is under the control of a networ=
k
> >        operator or the customer of the operator that actually owns
> >        the network resources.
> >
> >        This document provides a framework for Abstraction and Control o=
f
> >        Traffic Engineered Networks (ACTN).
> >
> >
> >
> >     The IETF datatracker status page for this draft is:
> >     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
> >
> >     There are also htmlized versions available at:
> >     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
> >
> > https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> > 5
> >
> >     A diff from the previous version is available at:
> >
> > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
> >
> >
> >     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/
> >
> >     _______________________________________________
> >     Teas mailing list
> >     Teas@ietf.org
> >     https://www.ietf.org/mailman/listinfo/teas
> >
> >     _______________________________________________
> >     Teas mailing list
> >     Teas@ietf.org
> >     https://www.ietf.org/mailman/listinfo/teas
> >
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://www.ietf.org/mailman/listinfo/teas
> >
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Netslices mailing list
> Netslices@ietf.org
> https://www.ietf.org/mailman/listinfo/netslices
>
>
>

--001a113d3cccfa490805504485a9
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<div dir=3D"ltr">Hi Daniele,<div>thank you for your kind and thorough consi=
deration, glad we agree on the terminology. One minor, I think, note and th=
e answer to your question under GIM2&gt;&gt; tag in-line.</div><div><br></d=
iv><div>Regards,</div><div>Greg</div><div class=3D"gmail_extra"><br><div cl=
ass=3D"gmail_quote">On Wed, May 24, 2017 at 4:39 AM, Daniele Ceccarelli <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:daniele.ceccarelli@ericsson.com" targe=
t=3D"_blank">daniele.ceccarelli@ericsson.com</a>&gt;</span> wrote:<br><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #cc=
c solid;padding-left:1ex">





<div lang=3D"IT" link=3D"blue" vlink=3D"purple">
<div class=3D"m_544545598366900498WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif">Hi Greg,<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,sans-serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,sans-serif">good points. Please see in line.<u><=
/u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,sans-serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,sans-serif">Cheers<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,sans-serif">Daniele=C2=A0
<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,sans-serif"><u></u>=C2=A0<u></u></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><b><span lang=3D"EN-US"=
 style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">From=
:</span></b><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-family:&quo=
t;Calibri&quot;,sans-serif"> Greg Mirsky [mailto:<a href=3D"mailto:gregimir=
sky@gmail.com" target=3D"_blank">gregimirsky@gmail.com</a>]
<br>
<b>Sent:</b> sabato 20 maggio 2017 06:14<span class=3D""><br>
<b>To:</b> Daniele Ceccarelli &lt;<a href=3D"mailto:daniele.ceccarelli@eric=
sson.com" target=3D"_blank">daniele.ceccarelli@ericsson.<wbr>com</a>&gt;<br=
>
<b>Cc:</b> Leeyoung &lt;<a href=3D"mailto:leeyoung@huawei.com" target=3D"_b=
lank">leeyoung@huawei.com</a>&gt;; <a href=3D"mailto:teas@ietf.org" target=
=3D"_blank">teas@ietf.org</a>; <a href=3D"mailto:NetSlices@ietf.org" target=
=3D"_blank">NetSlices@ietf.org</a><br>
</span><b>Subject:</b> Re: [Netslices] [Teas] terminology discussion networ=
k slicing<u></u><u></u></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><u></u>=C2=A0<u></u></p=
>
<div><span class=3D"">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">Hi Daniele,<u></u><u></=
u></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">I think that my interpr=
etation of network slice construct definition by 3GPP is slightly different=
. Please find my comments in-line tagged GIM&gt;&gt;. Some are to do with t=
erminology but, I believe, it is helpful to
 settle the dictionary and agree on the interpretation of terms.<u></u><u><=
/u></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><u></u>=C2=A0<u></u></p=
>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">Regards,<u></u><u></u><=
/p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">Greg<u></u><u></u></p>
</div>
</span><div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><u></u>=C2=A0<u></u></p=
>
<div><span class=3D"">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">On Sat, May 20, 2017 at=
 4:18 AM, Daniele Ceccarelli &lt;<a href=3D"mailto:daniele.ceccarelli@erics=
son.com" target=3D"_blank">daniele.ceccarelli@ericsson.<wbr>com</a>&gt; wro=
te:<u></u><u></u></p>
<blockquote style=3D"border:none;border-left:solid #cccccc 1.0pt;padding:0c=
m 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">Hi Young, all,<br>
<br>
i agree with your conclusion but would like to clarify one thing that IMO g=
ot lost in the discussion since its beginning.<br>
<br>
The 3GPP definition says:<br>
&quot;A set of network functions and the resources for these network functi=
ons which are arranged and configured, forming a complete logical network t=
o meet certain network characteristics.&quot;<br>
<br>
This means that a network slice IS NOT a VPN or a TE Tunnel.<u></u><u></u><=
/p>
</blockquote>
</span><div><span class=3D"">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">GIM&gt;&gt; My view is =
that VPN or a TE Tunnel could be part of instantiation of a network slice. =
There likely to be additional to TE parameters that may be considered, depe=
nding on the profile of the service requested
 the NS.<u></u><u></u></p>
</span><p class=3D"MsoNormal"><b><i><span lang=3D"EN-US" style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">[&gt;DC] I should have =
said =E2=80=9Cthis means that a network might not be JUST a VPN or a TE Tun=
nel=E2=80=9D and hence agree with you on the fact that the VPN or the TE Tu=
nnel
 could be part of the network slice. </span></i></b><span lang=3D"EN-US" st=
yle=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"><u></u>=
<u></u></span></p>
</div><span class=3D"">
<div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><span lang=3D"EN-US">=
=C2=A0<u></u><u></u></span></p>
</div>
<blockquote style=3D"border:none;border-left:solid #cccccc 1.0pt;padding:0c=
m 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">A network slice is &quo=
t;something&quot; (netslices and 3GPP will define what this something is) t=
hat is composed by a &quot;piece&quot; in the RADIO domain, a &quot;piece&q=
uot; in the CLOUD domain, a &quot;piece&quot; in the TRANSPORT domain, plus
 possible other pieces in possible other domains.<u></u><u></u></p>
</blockquote>
</span><div><span class=3D"">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">GIM&gt;&gt; I see separ=
ation of RAN and &quot;transport&quot; networks. Indeed, there will be e2e =
construct (will it be still referred as &quot;network slice&quot; or &quot;=
multi-domain NS&quot;) but it can be decomposed into domain-scope NSes.
 What you referred to as &quot;piece&quot; I consider as domain-scope NS.<u=
></u><u></u></p>
</span><p class=3D"MsoNormal"><b><i><span lang=3D"EN-US" style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">[&gt;DC] This is anothe=
r terminology issue. I agree on the separation between the RAN domain and t=
he =E2=80=9Ctransport=E2=80=9D domain (let=E2=80=99s keep on using the work=
 transport
 with quotation marks for the time being) and all the other domains in the =
network. IMO the network slice is the end to end entity that is built by a =
RAN slice plus a =E2=80=9Ctransport=E2=80=9D slice plus other potential sli=
ces. And the =E2=80=9Ctransport=E2=80=9D slice could be a VPN, a
 TE tunnel=E2=80=A6</span></i></b></p></div></div></div></div></div></div><=
/blockquote><div>GIM2&gt;&gt; If to a segment of a network slice instance i=
n a core network we refer as transport domain, then, as I understand, it&#3=
9;s peer may be not only RAN segment but, e.g., segment of an access networ=
k of another kind.=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"ma=
rgin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang=3D"I=
T" link=3D"blue" vlink=3D"purple"><div class=3D"m_544545598366900498WordSec=
tion1"><div><div><div><div><p class=3D"MsoNormal"><span lang=3D"EN-US" styl=
e=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"><u></u><u=
></u></span></p>
</div><span class=3D"">
<blockquote style=3D"border:none;border-left:solid #cccccc 1.0pt;padding:0c=
m 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><span lang=3D"EN-US"><b=
r>
</span>The word &quot;transport&quot; can be misleading here since one coul=
d think of transport technologies (e.g. WDM, OTN), but what I&#39;m referri=
ng to as TRANSPORT DOMAIN is that part of the network that is used to carry=
 a packet between two other domains.<br>
In order to have a slice, that portion of the transport domain needs to be =
engineered, hence it is all about building a TE entity and stitching servic=
es to such entity. This is what is in the ACTN scope.<u></u><u></u></p>
</blockquote>
</span><div><span class=3D"">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">GIM&gt;&gt; Should we u=
se Client-Server terms?=C2=A0<u></u><u></u></p>
</span><p class=3D"MsoNormal"><b><i><span lang=3D"EN-US" style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">[&gt;DC] WRT what? Do y=
ou mean wrt the fact that the relationship between e.g. the RAN slice and t=
he =E2=80=9Ctransport=E2=80=9D slice could be client- server? I see it more
 a peering relationship. ON the other side WITHIN the =E2=80=9Ctransport=E2=
=80=9D slice you could have different layers with client-server relationshi=
p, that=E2=80=99s right.</span></i></b></p></div></div></div></div></div></=
div></blockquote><div>GIM2&gt;&gt; Yes, should have been clearer, it is the=
 latter.=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0=
 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang=3D"IT" link=3D=
"blue" vlink=3D"purple"><div class=3D"m_544545598366900498WordSection1"><di=
v><div><div><div><p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-=
size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif"><u></u><u></u></spa=
n></p>
</div><div><div class=3D"h5">
<blockquote style=3D"border:none;border-left:solid #cccccc 1.0pt;padding:0c=
m 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><span lang=3D"EN-US"><b=
r>
My very personal opinion is that whatever belongs to the transport domain b=
elongs to IETF (and is already being addressed), while the rest is a danger=
ous duplication of concepts standardized is other SDOs...but this is anothe=
r discussion that doesn&#39;t fit here.<br>
<br>
</span>BR<br>
<span class=3D"m_544545598366900498hoenzb"><span style=3D"color:#888888">Da=
niele</span></span><span style=3D"color:#888888"><br>
</span><br>
<br>
<span class=3D"m_544545598366900498im">-----Original Message-----</span><br=
>
<span class=3D"m_544545598366900498im">From: Teas [mailto:<a href=3D"mailto=
:teas-bounces@ietf.org" target=3D"_blank">teas-bounces@ietf.org</a>] On Beh=
alf Of Leeyoung</span><br>
<span class=3D"m_544545598366900498im">Sent: venerd=C3=AC 19 maggio 2017 15=
:15</span><br>
<span class=3D"m_544545598366900498im">To: <a href=3D"mailto:teas@ietf.org"=
 target=3D"_blank">teas@ietf.org</a></span><br>
<span class=3D"m_544545598366900498im">Cc: <a href=3D"mailto:NetSlices@ietf=
.org" target=3D"_blank">NetSlices@ietf.org</a></span><u></u><u></u></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt">Subject: Re: [Teas] ter=
minology discussion network slicing<br>
<br>
Hi,<br>
<br>
Lou is right. There is a dedicated email list for the discussion of &quot;n=
etwork slicing (cc&#39;ed)&quot; and the discussion about what that term me=
ans should be held on that list.<br>
<br>
We have used similar language in draft-ietf-teas-actn-framework right from =
the<br>
00 version. Recent changes have been an attempt to clarify what the termino=
logy means in the context of ACTN. We are not trying to define or redefine =
&quot;network slicing&quot; in the ACTN document, but are trying to make it=
 clear how ACTN works.<br>
<br>
Therefore I propose the following resolution:<br>
<br>
1. All discussion of the general applicability and definition of &quot;netw=
ork slicing&quot; is held on the netslices mailing list.<br>
<br>
2. We adopt Adrian&#39;s suggestion to explain that the scope of the defini=
tion of the terms used in the ACTN framework is limited to ACTN. That means=
 effectively that if there are components of a wider definition of network =
slicing that are not supported by ACTN,
 that will be OK.<br>
<br>
I propose to post an updated version in the next few days and I believe tha=
t will allow this draft to move ahead without being blocked by the discussi=
on in netslices. Once the IETF has a stable definition of network slicing w=
e can return and see how ACTN is
 applicable to that definition an whether more wok is need (in a separate d=
raft).<br>
<br>
Thanks,<br>
Young<br>
<br>
-----Original Message-----<br>
From: Lou Berger [mailto:<a href=3D"mailto:lberger@labn.net" target=3D"_bla=
nk">lberger@labn.net</a>]<br>
Sent: Tuesday, May 16, 2017 8:35 AM<br>
To: Igor Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@huawei.com" target=3D"_=
blank">Igor.Bryskin@huawei.com</a>&gt;; Belotti, Sergio (Nokia - IT/Vimerca=
te) &lt;<a href=3D"mailto:sergio.belotti@nokia.com" target=3D"_blank">sergi=
o.belotti@nokia.com</a>&gt;; Gert Grammel &lt;<a href=3D"mailto:ggrammel@ju=
niper.net" target=3D"_blank">ggrammel@juniper.net</a>&gt;;
 Leeyoung &lt;<a href=3D"mailto:leeyoung@huawei.com" target=3D"_blank">leey=
oung@huawei.com</a>&gt;; <a href=3D"mailto:teas@ietf.org" target=3D"_blank"=
>
teas@ietf.org</a>; <a href=3D"mailto:adrian@olddog.co.uk" target=3D"_blank"=
>adrian@olddog.co.uk</a><br>
Subject: Re: [Teas] terminology discussion network slicing<br>
<br>
Perhaps it&#39;s time to bring the discussion to the slicing list and repor=
t back their reaponse....<br>
<br>
Lou<br>
<br>
<br>
On May 16, 2017 8:31:19 AM Igor Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@=
huawei.com" target=3D"_blank">Igor.Bryskin@huawei.com</a>&gt; wrote:<br>
<br>
&gt; Hi Sergio,<br>
&gt;<br>
&gt; I would also like to hear more from network slicing experts.<br>
&gt;<br>
&gt; My understanding is that the difference in the separation (in terms of=
<br>
&gt; control and data planes, security, etc.). For example, traditional BGP=
<br>
&gt; based L3 VPNs (that use provider&#39;s common control plane for their<=
br>
&gt; management and IP/MPLS TE tunnels to inter-connect their PEs) will<br>
&gt; probably not be able guarantee for the clients msec range connectivity=
<br>
&gt; setup times required by 5g, while provided by the same provider fully<=
br>
&gt; separated/genuinely private IP/MPLS networks (that do not share<br>
&gt; IP/MPLS control plane and infrastructure, whose network topology is<br=
>
&gt; supported by separate L0/L1 connections) hopefully will be able to<br>
&gt; provide such guarantees. Therefore, I define layer network slices as<b=
r>
&gt; dynamically managed fully isolated in control and data planes private<=
br>
&gt; TE layer networks, which may share one or more underlying server layer=
 networks.<br>
&gt;<br>
&gt;<br>
&gt; Cheers,<br>
&gt; Igor<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org" target=3D"=
_blank">teas-bounces@ietf.org</a>] On Behalf Of Belotti, Sergio<br>
&gt; (Nokia - IT/Vimercate)<br>
&gt; Sent: Tuesday, May 16, 2017 6:08 AM<br>
&gt; To: Gert Grammel; Leeyoung; <a href=3D"mailto:teas@ietf.org" target=3D=
"_blank">teas@ietf.org</a>; <a href=3D"mailto:adrian@olddog.co.uk" target=
=3D"_blank">
adrian@olddog.co.uk</a><br>
&gt; Subject: Re: [Teas] terminology discussion network slicing<br>
&gt;<br>
&gt; Hi Gert,<br>
&gt;<br>
&gt; &quot;Thinking a bit about it I came to the point where &quot;VPN&quot=
; and &quot;network<br>
&gt; slices&quot; seem to describe the same entity or at least a &quot;netw=
ork slice&quot;<br>
&gt; being a VPN of VPNs?&quot;<br>
&gt;<br>
&gt; I share completely your conclusion , I&#39;d like if someone can expla=
in<br>
&gt; if a difference really exists .<br>
&gt;<br>
&gt; Thanks<br>
&gt; Sergio<br>
&gt;<br>
&gt;<br>
&gt; -----Original Message-----<br>
&gt; From: Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org" target=3D"=
_blank">teas-bounces@ietf.org</a>] On Behalf Of Gert Grammel<br>
&gt; Sent: Monday, May 15, 2017 7:02 PM<br>
&gt; To: Leeyoung &lt;<a href=3D"mailto:leeyoung@huawei.com" target=3D"_bla=
nk">leeyoung@huawei.com</a>&gt;; <a href=3D"mailto:teas@ietf.org" target=3D=
"_blank">
teas@ietf.org</a>; <a href=3D"mailto:adrian@olddog.co.uk" target=3D"_blank"=
>adrian@olddog.co.uk</a><br>
&gt; Subject: Re: [Teas] terminology discussion network slicing<br>
&gt;<br>
&gt; Leeyoung,<br>
&gt;<br>
&gt; Thank you for taking a stab on this. Usually when getting to a<br>
&gt; definition, I try to establish what kind of existing constructs would<=
br>
&gt; fall under the definition. If my understanding is correct, the<br>
&gt; following list of constructs would all satisfy the definition somehow.=
<br>
&gt; - A TDM network with a p2p TDM connection<br>
&gt; - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)<br>
&gt; - An MPLS LSP using a traffic engineered IP network<br>
&gt; - A L2VPN using a traffic engineered MPLS network<br>
&gt; - A L3VPN using a traffic engineered IP network<br>
&gt; - A TCP connection using a traffic engineered IP network<br>
&gt; - Different QoS classes in an IP network<br>
&gt;<br>
&gt; Thinking a bit about it I came to the point where &quot;VPN&quot; and =
&quot;network<br>
&gt; slices&quot; seem to describe the same entity or at least a &quot;netw=
ork slice&quot;<br>
&gt; being a VPN of VPNs?<br>
&gt;<br>
&gt; Gert<br>
&gt;<br>
&gt;<br>
&gt; On 2017-05-17, 16:44, &quot;Teas on behalf of Leeyoung&quot;<br>
&gt; &lt;<a href=3D"mailto:teas-bounces@ietf.org" target=3D"_blank">teas-bo=
unces@ietf.org</a> on behalf of <a href=3D"mailto:leeyoung@huawei.com" targ=
et=3D"_blank">
leeyoung@huawei.com</a>&gt; wrote:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Hi Adrian and others,<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0We&#39;d like cross check with you on some terminol=
ogy we introduced newly. Any<br>
&gt;=C2=A0 =C2=A0 =C2=A0comment on these terms will be greatly appreciated.=
<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0We introduced &#39;network slicing&#39; as follows:=
<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Network slicing is a co=
llection of resources<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0that are used to establ=
ish logically dedicated virtual networks<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0over TE networks. It al=
lows a network provider to provide<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0dedicated virtual netwo=
rks for application/customer over a<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0common network infrastr=
ucture. The logically dedicated<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0resources are a part of=
 the larger common network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0infrastructures that ar=
e shared among various network slice<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0instances which are the=
 end-to-end realization of network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0slicing, consisting of =
the combination of physically or<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0logically dedicated res=
ources.<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Thanks.<br>
&gt;=C2=A0 =C2=A0 =C2=A0Young and Daniele<br>
&gt;=C2=A0 =C2=A0 =C2=A0-----Original Message-----<br>
&gt;=C2=A0 =C2=A0 =C2=A0From: Leeyoung<br>
&gt;=C2=A0 =C2=A0 =C2=A0Sent: Friday, May 05, 2017 1:41 PM<br>
&gt;=C2=A0 =C2=A0 =C2=A0To: <a href=3D"mailto:teas@ietf.org" target=3D"_bla=
nk">teas@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Subject: RE: [Teas] I-D Action:<br>
&gt; draft-ietf-teas-actn-<wbr>framework-05.txt<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Hi,<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0This update is intended to incorporate the comments=
 from the last WG<br>
&gt;=C2=A0 =C2=A0 =C2=A0meeting and any pending issues. We also have taken =
the global editorial<br>
&gt;=C2=A0 =C2=A0 =C2=A0changes to make it consistent through the document.=
 Major changes are:<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Inclusion of &quot;network slicing&quot; definiti=
on from ACTN perspective (in the<br>
&gt;=C2=A0 =C2=A0 =C2=A0terminology section)<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Added virtual network service (VNS) section (Sect=
ion 3) to define types<br>
&gt;=C2=A0 =C2=A0 =C2=A0of VNS.<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Incorporated &quot;orchestration&quot; (service/n=
etwork) mapping to ACTN<br>
&gt;=C2=A0 =C2=A0 =C2=A0architecture (See Section 5.2)<br>
&gt;=C2=A0 =C2=A0 =C2=A0- Created a new section 6 (Topology Abstraction Met=
hod) where we imported<br>
&gt;=C2=A0 =C2=A0 =C2=A0some texts from ACTN abstraction method<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/draft-lee-te=
as-actn-abstraction-01" target=3D"_blank">https://tools.ietf.org/html/<wbr>=
draft-lee-teas-actn-<wbr>abstraction-01</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0- Added Appendices A &amp; B to discuss example dep=
loyment scenarios such as<br>
&gt;=C2=A0 =C2=A0 =C2=A0example of MDSC and PNC functions integrated in Ser=
vice/Network<br>
&gt;=C2=A0 =C2=A0 =C2=A0Orchestrator (Appendix A) and example of IP + Optic=
al network with L3VPN<br>
&gt;=C2=A0 =C2=A0 =C2=A0service (Appendix B)<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0In regard to ACTN abstraction method draft, we are =
going to keep it as a<br>
&gt;=C2=A0 =C2=A0 =C2=A0separate draft and use this document to elaborate o=
ther aspects not<br>
&gt;=C2=A0 =C2=A0 =C2=A0imported to the framework document.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The following diff pointer will help you see the ch=
anges with this revision:<br>
&gt;<br>
&gt; <a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-fr=
amework-05" target=3D"_blank">
https://www.ietf.org/rfcdiff?<wbr>url2=3Ddraft-ietf-teas-actn-<wbr>framewor=
k-05</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The co-authors believe that the document is ready f=
or WG LC. Any<br>
&gt;=C2=A0 =C2=A0 =C2=A0changes/comments will be appreciated.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Thanks &amp; Best regards,<br>
&gt;=C2=A0 =C2=A0 =C2=A0Young &amp; Daniele (on behalf of other co-authors/=
contributors)<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0-----Original Message-----<br>
&gt;=C2=A0 =C2=A0 =C2=A0From: Teas [mailto:<a href=3D"mailto:teas-bounces@i=
etf.org" target=3D"_blank">teas-bounces@ietf.org</a>] On Behalf Of
<a href=3D"mailto:internet-drafts@ietf.org" target=3D"_blank">internet-draf=
ts@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Sent: Friday, May 05, 2017 10:41 AM<br>
&gt;=C2=A0 =C2=A0 =C2=A0To: <a href=3D"mailto:i-d-announce@ietf.org" target=
=3D"_blank">i-d-announce@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Cc: <a href=3D"mailto:teas@ietf.org" target=3D"_bla=
nk">teas@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0Subject: [Teas] I-D Action: draft-ietf-teas-actn-<w=
br>framework-05.txt<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0A New Internet-Draft is available from the on-line =
Internet-Drafts directories.<br>
&gt;=C2=A0 =C2=A0 =C2=A0This draft is a work item of the Traffic Engineerin=
g Architecture and<br>
&gt;=C2=A0 =C2=A0 =C2=A0Signaling of the IETF.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Title=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0: Framework for Abstraction and Control of Traffic<=
br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Engineered Networks<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Authors=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0: Daniele Ceccarelli<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Young Lee<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Filename=C2=A0 =C2=A0 =C2=A0 =C2=A0 : draft-=
ietf-teas-actn-<wbr>framework-05.txt<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Pages=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0: 41<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0Date=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 : 2017-05-05<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Abstract:<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Traffic Engineered networks have a variety =
of mechanisms to<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 facilitate the separation of the data plane=
 and control plane. They<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 also have a range of management and provisi=
oning protocols to<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 configure and activate network resources.=
=C2=A0 These mechanisms<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 represent key technologies for enabling fle=
xible and dynamic<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 networking.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Abstraction of network resources is a techn=
ique that can be applied<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 to a single network domain or across multip=
le domains to create a<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 single virtualized network that is under th=
e control of a network<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 operator or the customer of the operator th=
at actually owns<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 the network resources.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 This document provides a framework for Abst=
raction and Control of<br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0 Traffic Engineered Networks (ACTN).<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0The IETF datatracker status page for this draft is:=
<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://datatracker.ietf.org/doc/draft-i=
etf-teas-actn-framework/" target=3D"_blank">https://datatracker.ietf.org/<w=
br>doc/draft-ietf-teas-actn-<wbr>framework/</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0There are also htmlized versions available at:<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://tools.ietf.org/html/draft-ietf-t=
eas-actn-framework-05" target=3D"_blank">https://tools.ietf.org/html/<wbr>d=
raft-ietf-teas-actn-<wbr>framework-05</a><br>
&gt;<br>
&gt; <a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-=
framework-0" target=3D"_blank">
https://datatracker.ietf.org/<wbr>doc/html/draft-ietf-teas-actn-<wbr>framew=
ork-0</a><br>
&gt; 5<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0A diff from the previous version is available at:<b=
r>
&gt;<br>
&gt; <a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-fr=
amework-05" target=3D"_blank">
https://www.ietf.org/rfcdiff?<wbr>url2=3Ddraft-ietf-teas-actn-<wbr>framewor=
k-05</a><br>
&gt;<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Please note that it may take a couple of minutes fr=
om the time of<br>
&gt;=C2=A0 =C2=A0 =C2=A0submission until the htmlized version and diff are =
available at <a href=3D"http://tools.ietf.org" target=3D"_blank">
tools.ietf.org</a>.<br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0Internet-Drafts are also available by anonymous FTP=
 at:<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"ftp://ftp.ietf.org/internet-drafts/" tar=
get=3D"_blank">ftp://ftp.ietf.org/internet-<wbr>drafts/</a><br>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0_____________________________<wbr>_________________=
_<br>
&gt;=C2=A0 =C2=A0 =C2=A0Teas mailing list<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">=
Teas@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.org/mailman/listinfo/te=
as" target=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><b=
r>
&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0_____________________________<wbr>_________________=
_<br>
&gt;=C2=A0 =C2=A0 =C2=A0Teas mailing list<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">=
Teas@ietf.org</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"https://www.ietf.org/mailman/listinfo/te=
as" target=3D"_blank">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><b=
r>
&gt;<br>
&gt;<br>
&gt; ______________________________<wbr>_________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><b=
r>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blan=
k">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><br>
&gt;<br>
&gt; ______________________________<wbr>_________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><b=
r>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blan=
k">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><br>
&gt;<br>
&gt; ______________________________<wbr>_________________<br>
&gt; Teas mailing list<br>
&gt; <a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><b=
r>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blan=
k">https://www.ietf.org/mailman/<wbr>listinfo/teas</a><br>
&gt;<br>
<br>
<br>
______________________________<wbr>_________________<br>
Teas mailing list<br>
<a href=3D"mailto:Teas@ietf.org" target=3D"_blank">Teas@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/teas" target=3D"_blank">ht=
tps://www.ietf.org/mailman/<wbr>listinfo/teas</a><br>
<br>
______________________________<wbr>_________________<br>
Netslices mailing list<br>
<a href=3D"mailto:Netslices@ietf.org" target=3D"_blank">Netslices@ietf.org<=
/a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/netslices" target=3D"_blan=
k">https://www.ietf.org/mailman/<wbr>listinfo/netslices</a><u></u><u></u></=
p>
</div>
</div>
</blockquote>
</div></div></div>
<p class=3D"MsoNormal" style=3D"margin-left:35.4pt"><u></u>=C2=A0<u></u></p=
>
</div>
</div>
</div>
</div>

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

--001a113d3cccfa490805504485a9--


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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: Jeff Tantsura <jefftant.ietf@gmail.com>, "qiangli (D)" <qiangli3@huawei.com>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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From: Mahesh Jethanandani <mjethanandani@gmail.com>
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Subject: [Teas] Yangdoctors last call review of draft-ietf-teas-yang-te-topo-08
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Reviewer: Mahesh Jethanandani
Review result: Ready with Issues

Document reviewed: draft-ietf-teas-yang-te-topo-08

Status: Ready with Issues

I am not an expert in Traffic Engineering. This review is looking at
the draft from a YANG perspective. With that said, I have marked it as
â€œReady with Issuesâ€ because of some of the points discussed below.

Summary:

This document defines a YANG data model for representing, retrieving
and manipulating TE Topologies. The model serves as a base model that
other technology specific TE Topology models can augment.

Comments:

Almost all the containers in the model are presence containers. Is
there a reason why they have to be presence containers? Note, that
presence containers are containers whose existence itself represents
configuration data. What particular configuration data is each
container representing in itself?

It is difficult to co-relate the diagram with the model itself because
of different terms being used to define different parts of the model.
There is â€œTE Topology Modelâ€ and then there is â€œGeneric TE Topology
Modelâ€. Are these one and the same models? If so, a common term for
both of them would be helpful.

There is extensive use of groupings in the document. However, not all
instances of groupings are used multiple number of times. Where they
are not being repeated, it would be better to move the grouping
directly where the uses statement resides. Case in point the grouping
connectivity-label-restriction-list.

The split between config and state containers does not seem to follow
any particular pattern. It is neither a top level split, as is the
case with existing IETF models, nor do they follow the OpenConfig
style of splitting config and state under each relevant leaf, nor do
they follow the new guidelines as suggested by the new datastore model
draft
(https://tools.ietf.org/html/draft-dsdt-nmda-guidelines-01.html).
Since there recommendation for all new models is to follow the new
datastore guidelines, would suggest that the state containers be
removed and any non-duplicate leafs within state be moved under a
single container. I am told that the change in ietf-te-topology from
the current draft to NMDA style is about 175 lines and for te-types it
is 24 line diff (thanks Robert). As such, the change is not major and
can be done easily. See the diffs at the end of this review.

A pyang compilation of the model with â€”ietf and â€”lint option was
clean.

A idnits run of the draft reveals some issues with spacing and
references, but they are parts of the diagram, which confuses idnits.

te-types.diff
â€”â€”â€”â€”â€”
507,509c507,509
<   grouping explicit-route-hop_config {
<     description
<       "The explicit route subobject grouping";
---
>   grouping explicit-route-hop {
>     description "Explicit route hop grouping";
> 
595,609d594
<     }
<   }
< 
<   grouping explicit-route-hop {
<     description "Explicit route hop grouping";
<     container config {
<       description
<         "Configuration parameters for the explicit route hop";
<       uses explicit-route-hop_config;
<     }
<     container state {
<       config false;
<       description
<         "State parameters for the explicit route hop";
<       uses explicit-route-hop_config;

te-topology.diff
â€”â€”â€”â€”â€”â€”-
264a265
>       config false;
323a325
>       config false;
327a330
>       config false;
357a361
>       config false;
361a366
>       config false;
733,744c738,739
<       container config {
<         description
<           "Configuration data.";
<         uses te-link-config;
<       } // config
<       container state {
<         config false;
<         description
<           "Operational state data.";
<         uses te-link-config;
<         uses te-link-state-derived;
<       } // state
---
>       uses te-link-config;
>       uses te-link-state-derived;
780,781c775,776
<                 path "../../../../../../nw:node[nw:node-id = "
<                   + "current()/../../../../../nt:source/"
---
>                 path "../../../../../nw:node[nw:node-id = "
>                   + "current()/../../../../nt:source/"
792,793c787,788
<                 path "../../../../../../nw:node[nw:node-id = "
<                   + "current()/../../../../../nt:destination/"
---
>                 path "../../../../../nw:node[nw:node-id = "
>                   + "current()/../../../../nt:destination/"
841c836
<         path "../../../../../te/templates/link-template/name";
---
>         path "../../../../te/templates/link-template/name";
1087a1083
>       config false;
1092a1089
>       config false;
1106a1104
>       config false;
1113a1112
>       config false;
1128a1128
>       config false;
1267,1279c1267,1268
<       container config {
<         description
<           "Configuration data.";
<         uses te-node-config;
<       } // config
<       container state {
<         config false;
<         description
<           "Operational state data.";
< 
<         uses te-node-config;
<         uses te-node-state-derived;
<       } // state
---
>       uses te-node-config;
>       uses te-node-state-derived;
1297,1309c1286,1287
<         container config {
<           description
<             "Configuration data.";
<           uses te-node-tunnel-termination-attributes;
<         }
<         container state {
<           config false;
<           description
<             "Operational state data.";
< 
<           uses te-node-tunnel-termination-attributes;
<           uses geolocation-container;
<         } // state
---
>         uses te-node-tunnel-termination-attributes;
>         uses geolocation-container;
1406c1384
<         path "../../../../../te/templates/node-template/name";
---
>         path "../../../../te/templates/node-template/name";
1473,1474c1451
<               path "../../../../../../../nt:termination-point/"+
<                 "nt:tp-id";
---
>               path
"../../../../../../nt:termination-point/nt:tp-id";
1485,1486c1462
<               path "../../../../../../../nt:termination-point/"+
<                 "nt:tp-id";
---
>               path
"../../../../../../nt:termination-point/nt:tp-id";
1577a1554
>       config false;
1583a1561
>       config false;
1595a1574
>       config false;
1738c1717
<             path "../../../../../../nt:termination-point/nt:tp-id";
---
>             path "../../../../../nt:termination-point/nt:tp-id";
1753c1732
<     uses te-types:explicit-route-hop_config;
---
>     uses te-types:explicit-route-hop;
1773,1779c1752,1754
<       container config {
<         description
<           "Configuration data.";
<         uses te-termination-point-config;
<       } // config
<       container state {
<         config false;
---
>       uses interface-switching-capability-list;
>       leaf inter-layer-lock-id {
>         type uint32;
1781,1784c1756,1765
<           "Operational state data.";
<         uses te-termination-point-config;
<         uses geolocation-container;
<       } // state
---
>           "Inter layer lock ID, used for path computation in a TE
>            topology covering multiple layers or multiple regions.";
>         reference
>           "RFC5212: Requirements for GMPLS-Based Multi-Region and
>            Multi-Layer Networks (MRN/MLN).
>            RFC6001: Generalized MPLS (GMPLS) Protocol Extensions
for
>            Multi-Layer and Multi-Region Networks (MLN/MRN).";
>       }
> 
>       uses geolocation-container;
1787,1802d1767
<   grouping te-termination-point-config {
<     description
<       "TE termination point configuration grouping.";
<     uses interface-switching-capability-list;
<     leaf inter-layer-lock-id {
<       type uint32;
<       description
<         "Inter layer lock ID, used for path computation in a TE
<          topology covering multiple layers or multiple regions.";
<       reference
<         "RFC5212: Requirements for GMPLS-Based Multi-Region and
<          Multi-Layer Networks (MRN/MLN).
<          RFC6001: Generalized MPLS (GMPLS) Protocol Extensions
<          for Multi-Layer and Multi-Region Networks (MLN/MRN).";
<     }
<   } // te-termination-point-config
1879,1890c1844,1845
<       container config {
<         description
<           "Configuration data.";
<         uses te-topology-config;
<       } // config
<       container state {
<         config false;
<         description
<           "Operational state data.";
<         uses te-topology-config;
<         uses geolocation-container;
<       } // state
---
>       uses te-topology-config;
>       uses geolocation-container;





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From: Anurag Sharma <ansha@google.com>
Date: Wed, 24 May 2017 10:31:13 -0700
Message-ID: <CAJFj48LpJO50ZYGvLGF1anJ4igrfoqqUOOHb1kpag_qywR=5sA@mail.gmail.com>
To: teas@ietf.org, Iftekhar Hussain <IHussain@infinera.com>, vishnupavan@gmail.com,  afarrel@juniper.net, quintin.zhao@huawei.com, lizhenbin@huawei.com,  chao.zhou@cisco.com, cmargaria@juniper.net, scheruathur@juniper.net,  eric.wu@huawei.com
Content-Type: multipart/alternative; boundary="001a1140961286b7eb055048782a"
Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/JOeXR0dEYHLY7h1hrH5dS6fb1Rg>
Subject: Re: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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--001a1140961286b7eb055048782a
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No, I'm not aware of any IPR that applies to this draft



Thanks,

Anurag


>
>
> *From:* Vishnu Pavan Beeram [mailto:vishnupavan@gmail.com]
> *Sent:* Monday, May 22, 2017 1:56 PM
> *To:* afarrel@juniper.net; quintin.zhao@huawei.com; lizhenbin@huawei.com;
> chao.zhou@cisco.com; cmargaria@juniper.net; scheruathur@juniper.net;
> Dhruv Dhody; Daniel King; Iftekhar Hussain; Anu Sharma; eric.wu@huawei.com
> *Cc:* teas@ietf.org; TEAS WG Chairs
> *Subject:* Regarding IPR on draft-ietf-teas-pce-central-control
>
>
>
> Authors, Contributors, WG,
>
> As part of the preparation for WG Last Call
>
> Are you aware of any IPR that applies to drafts identified above?
>
> Please state either:
>
> "No, I'm not aware of any IPR that applies to this draft"
> or
> "Yes, I'm aware of IPR that applies to this draft"
>
> If so, has this IPR been disclosed in compliance with IETF IPR rules
> (see RFCs 3979, 4879, 3669 and 5378 for more details)?
>
> If yes to the above, please state either:
>
> "Yes, the IPR has been disclosed in compliance with IETF IPR rules"
> or
> "No, the IPR has not been disclosed"
>
> If you answer no, please provide any additional details you think
> appropriate.
>
> If you are listed as a document author or contributor please answer the
> above by responding to this email regardless of whether or not you are
> aware of any relevant IPR. This document will not advance to the next
> stage until a response has been received from each author and listed
> contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S
> TO LINES.
>
> If you are on the WG email list or attend WG meetings but are not listed
> as an author or contributor, we remind you of your obligations under
> the IETF IPR rules which encourages you to notify the IETF if you are
> aware of IPR of others on an IETF contribution, or to refrain from
> participating in any contribution or discussion related to your
> undisclosed IPR. For more information, please see the RFCs listed above
> and
> http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty.
>
> Thank you,
> TEAS WG Chairs
>
> PS Please include all listed in the headers of this message in your
> response.
>

--001a1140961286b7eb055048782a
Content-Type: text/html; charset="UTF-8"
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<div dir=3D"ltr"><p class=3D"MsoNormal" style=3D"font-size:12.8px">No, I&#3=
9;m not aware of any IPR that applies to this draft<u></u><u></u></p><p cla=
ss=3D"MsoNormal" style=3D"font-size:12.8px"><u></u>=C2=A0<u></u></p><p clas=
s=3D"MsoNormal" style=3D"font-size:12.8px">Thanks,<u></u><u></u></p><p clas=
s=3D"MsoNormal" style=3D"font-size:12.8px">Anurag</p><div class=3D"gmail_ex=
tra"><div class=3D"gmail_quote"><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"EN-US"><div class=3D"gmail-m_-17248333=
064970131WordSection1"><div style=3D"border-top:none;border-right:none;bord=
er-bottom:none;border-left:1.5pt solid blue;padding:0in 0in 0in 4pt"><p cla=
ss=3D"MsoNormal"><span style=3D"font-size:11pt;font-family:Calibri,sans-ser=
if;color:rgb(31,73,125)">=C2=A0<u></u></span></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:11pt;font-family:Calibri=
,sans-serif">From:</span></b><span style=3D"font-size:11pt;font-family:Cali=
bri,sans-serif"> Vishnu Pavan Beeram [mailto:<a href=3D"mailto:vishnupavan@=
gmail.com" target=3D"_blank">vishnupavan@gmail.com</a>]
<br>
<b>Sent:</b> Monday, May 22, 2017 1:56 PM<br>
<b>To:</b> <a href=3D"mailto:afarrel@juniper.net" target=3D"_blank">afarrel=
@juniper.net</a>; <a href=3D"mailto:quintin.zhao@huawei.com" target=3D"_bla=
nk">quintin.zhao@huawei.com</a>; <a href=3D"mailto:lizhenbin@huawei.com" ta=
rget=3D"_blank">lizhenbin@huawei.com</a>; <a href=3D"mailto:chao.zhou@cisco=
.com" target=3D"_blank">chao.zhou@cisco.com</a>; <a href=3D"mailto:cmargari=
a@juniper.net" target=3D"_blank">cmargaria@juniper.net</a>; <a href=3D"mail=
to:scheruathur@juniper.net" target=3D"_blank">scheruathur@juniper.net</a>; =
Dhruv Dhody; Daniel King; Iftekhar Hussain; Anu Sharma; <a href=3D"mailto:e=
ric.wu@huawei.com" target=3D"_blank">eric.wu@huawei.com</a><br>
<b>Cc:</b> <a href=3D"mailto:teas@ietf.org" target=3D"_blank">teas@ietf.org=
</a>; TEAS WG Chairs<br>
<b>Subject:</b> Regarding IPR on draft-ietf-teas-pce-central-<wbr>control<u=
></u><u></u></span></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<div>
<p class=3D"MsoNormal">Authors, Contributors, WG,<br>
<br>
As part of the preparation for WG Last Call<br>
<br>
Are you aware of any <span class=3D"gmail-m_-17248333064970131gmail-il">IPR=
</span> that applies to drafts identified above?<br>
<br>
Please state either:<br>
<br>
&quot;No, I&#39;m not aware of any <span class=3D"gmail-m_-1724833306497013=
1gmail-il">IPR</span> that applies to this draft&quot;<br>
or<br>
&quot;Yes, I&#39;m aware of <span class=3D"gmail-m_-17248333064970131gmail-=
il">IPR</span> that applies to this draft&quot;<br>
<br>
If so, has this <span class=3D"gmail-m_-17248333064970131gmail-il">IPR</spa=
n> been disclosed in compliance with IETF
<span class=3D"gmail-m_-17248333064970131gmail-il">IPR</span> rules<br>
(see RFCs 3979, 4879, 3669 and 5378 for more details)?<br>
<br>
If yes to the above, please state either:<br>
<br>
&quot;Yes, the <span class=3D"gmail-m_-17248333064970131gmail-il">IPR</span=
> has been disclosed in compliance with IETF
<span class=3D"gmail-m_-17248333064970131gmail-il">IPR</span> rules&quot;<b=
r>
or<br>
&quot;No, the <span class=3D"gmail-m_-17248333064970131gmail-il">IPR</span>=
 has not been disclosed&quot;<br>
<br>
If you answer no, please provide any additional details you think<br>
appropriate.<br>
<br>
If you are listed as a document author or contributor please answer the<br>
above by responding to this email regardless of whether or not you are<br>
aware of any relevant <span class=3D"gmail-m_-17248333064970131gmail-il">IP=
R</span>. This document will not advance to the next<br>
stage until a response has been received from each author and listed<br>
contributor. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE&#39;S<=
br>
TO LINES.<br>
<br>
If you are on the WG email list or attend WG meetings but are not listed<br=
>
as an author or contributor, we remind you of your obligations under<br>
the IETF <span class=3D"gmail-m_-17248333064970131gmail-il">IPR</span> rule=
s which encourages you to notify the IETF if you are<br>
aware of <span class=3D"gmail-m_-17248333064970131gmail-il">IPR</span> of o=
thers on an IETF contribution, or to refrain from<br>
participating in any contribution or discussion related to your<br>
undisclosed <span class=3D"gmail-m_-17248333064970131gmail-il">IPR</span>. =
For more information, please see the RFCs listed above<br>
and<br>
<a href=3D"http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProp=
erty" target=3D"_blank">http://trac.tools.ietf.org/<wbr>group/iesg/trac/wik=
i/<wbr>IntellectualProperty</a>.<br>
<br>
Thank you,<br>
TEAS WG Chairs<br>
<br>
PS Please include all listed in the headers of this message in your<br>
response.<u></u><u></u></p>
</div>
</div>
</div>
</div>

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

--001a1140961286b7eb055048782a--


From nobody Wed May 24 16:53:41 2017
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Subject: [Teas] I-D Action: draft-ietf-teas-assoc-corouted-bidir-frr-01.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 Traffic Engineering Architecture and Signaling of the IETF.

        Title           : Fast Reroute Procedures for Associated Bidirectional Label Switched Paths (LSPs)
        Authors         : Rakesh Gandhi
                          Himanshu Shah
                          Jeremy Whittaker
	Filename        : draft-ietf-teas-assoc-corouted-bidir-frr-01.txt
	Pages           : 15
	Date            : 2017-05-24

Abstract:
   Resource Reservation Protocol (RSVP) association signaling can be
   used to bind two unidirectional LSPs into an associated bidirectional
   LSP.  When an associated bidirectional LSP is co-routed, the reverse
   LSP follows the same path as its forward LSP.  This document
   describes Fast Reroute (FRR) procedures for both single-sided and
   double-sided provisioned associated bidirectional LSPs.  The FRR
   procedures can ensure that for the co-routed LSPs, traffic flows on
   co-routed paths in the forward and reverse directions after a failure
   event.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-assoc-corouted-bidir-frr/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-assoc-corouted-bidir-frr-01
https://datatracker.ietf.org/doc/html/draft-ietf-teas-assoc-corouted-bidir-frr-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-assoc-corouted-bidir-frr-01


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 Thu May 25 04:27:44 2017
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Subject: [Teas] teas - New Meeting Session Request for IETF 99
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A new meeting session request has just been submitted by Vishnu Pavan Beeram, a Chair of the teas working group.


---------------------------------------------------------
Working Group Name: Traffic Engineering Architecture and Signaling
Area Name: Routing Area
Session Requester: Vishnu Beeram

Number of Sessions: 2
Length of Session(s):  2.5 Hours, 2 Hours
Number of Attendees: 100
Conflicts to Avoid: 
 First Priority:  mpls ccamp pce rtgwg netmod detnet
 Second Priority:  idr i2rs spring ospf
 Third Priority:  pals bess nvo3 isis


People who must be present:
  Lou Berger
  Deborah Brungard
  Vishnu Pavan Beeram

Resources Requested:

Special Requests:
  Other Conflicts: IRTF RRG, RTG BOFs
---------------------------------------------------------


From nobody Thu May 25 04:51:43 2017
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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
To: "teas@ietf.org" <teas@ietf.org>
CC: Himanshu Shah <hshah@ciena.com>, Jeremy Whittaker <jeremy.whittaker@verizon.com>
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From: Khasanov Boris <khasanov.boris@huawei.com>
To: Vishnu Pavan Beeram <vishnupavan@gmail.com>, "afarrel@juniper.net" <afarrel@juniper.net>, Quintin zhao <quintin.zhao@huawei.com>, Lizhenbin <lizhenbin@huawei.com>, "chao.zhou@cisco.com" <chao.zhou@cisco.com>, "cmargaria@juniper.net" <cmargaria@juniper.net>, "scheruathur@juniper.net" <scheruathur@juniper.net>, Dhruv Dhody <dhruv.dhody@huawei.com>, Daniel King <daniel@olddog.co.uk>, "ihussain@infinera.com" <ihussain@infinera.com>, Anurag Sharma <AnSharma@infinera.com>, "Wunan (Eric, Technology Planning&IT)" <eric.wu@huawei.com>
CC: TEAS WG Chairs <teas-chairs@ietf.org>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Teas] Regarding IPR on draft-ietf-teas-pce-central-control
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Date: Fri, 26 May 2017 11:54:53 +0000
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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 Traffic Engineering Architecture and Signaling of the IETF.

        Title           : The Use Cases for Using PCE as the Central Controller(PCECC) of LSPs
        Authors         : Quintin Zhao
                          Robin Li
                          Boris Khasanov
                          King Ke
                          Luyuan Fang
                          Chao Zhou
                          Boris Zhang
                          Artem Rachitskiy
	Filename        : draft-ietf-teas-pcecc-use-cases-01.txt
	Pages           : 23
	Date            : 2017-04-28

Abstract:
   In certain networks deployment scenarios, service providers would
   like to keep all the existing MPLS functionalities in both MPLS and
   GMPLS network while reducing existing complexity.In this document,
   we propose to use the PCE as a central controller so that LSP can be
   calculated/signaled/initiated/downloaded/managed through a
   centralized PCE server to each network devices along the LSP path
   while leveraging the existing PCE technologies as much as possible.

   This draft describes the use cases for using the PCE as the central
   controller where LSPs are calculated/setup/initiated/downloaded/
   maintained through extending the current PCE architectures and
   extending the PCEP.


   

The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-teas-pcecc-use-cases/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-teas-pcecc-use-cases-01
https://datatracker.ietf.org/doc/html/draft-ietf-teas-pcecc-use-cases-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-teas-pcecc-use-cases-01


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

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


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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/YoaSMBFw1ByjVPVN7HQPneoThG0>
Subject: [Teas] IETF TE Topology YANG Model Design Meeting Notes - 2017-05-24
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Attendees: Italo, Igor, Xufeng, Sergio, Pavan, Pawel Ka, Carlo

- For the tutorial document, submit the PDF version.

- Discussed some type sharing with TE tunnel model
  > disjointness
   o Xufeng have moved this type to te-types:

  typedef te-path-disjointness {
    type bits {
      bit node {
        position 0;
        description "Node disjoint.";
      }
      bit link {
        position 1;
        description "Link disjoint.";
      }
      bit srlg {
        position 2;
        description "SRLG (Shared Risk Link Group) disjoint.";
      }
    }
    description
      "Type of the resource disjointness for a TE tunnel path.";
    reference
      "RFC4872: RSVP-TE Extensions in Support of End-to-End
       Generalized Multi-Protocol Label Switching (GMPLS)
       Recovery";
  } // te-path-disjointness

  > path-properties
   o Tarek will move the grouping to te-types
   o Proposing the following:

augment /nw:networks/nw:network/nw:node:
   +--rw te!
      +--rw config
      |  +--rw te-node-attributes
      |     +--rw connectivity-matrices
      |     |  +--rw number-of-entries?         uint16
      |     |  +--rw label-restriction* [inclusive-exclusive label-start]
      |     |  +--rw is-allowed?                boolean
      |     |  +--rw underlay! {te-topology-hierarchy}?
-      |     |  +--rw max-lsp-bandwidth* [priority]
-      |     |  +--rw max-link-bandwidth?        te-types:te-bandwidth
-      |     |  +--rw max-resv-link-bandwidth?   te-types:te-bandwidth
-      |     |  +--rw unreserved-bandwidth* [priority]
-      |     |  +--rw te-default-metric?         uint32
-      |     |  +--rw te-delay-metric?           uint32
-      |     |  +--rw te-srlgs
-      |     |  |  +--rw value*   te-types:srlg
-      |     |  +--rw te-nsrlgs {nsrlg}?
-      |     |  |  +--rw id*   uint32

+               +---rw path-constraints
+               |  +---rw metric* [name]
+               |  |  +---rw name          identityref
+               |  |  +---rw low-limit?    uint64
+               |  |  +---rw high-limit?   uint64
+               |  +---rw bandwidth-generic?    te-types:te-bandwidth
+               |  +---rw setup-priority?       uint8
+               |  +---rw hold-priority?        uint8
+               |  +---rw ignore-overload?      boolean
+               |  +---rw path-affinities
+               |  +---rw path-srlgs

      |     |  +--rw connectivity-matrix* [id]
      |     |     +--rw id                         uint32
      |     |     +--rw from
      |     |     |  +--rw tp-ref?              leafref
      |     |     +--rw to
      |     |     |  +--rw tp-ref?              leafref
      |     |     +--rw is-allowed?                boolean
      |     |     +--rw underlay! {te-topology-hierarchy}?
      |     |     +--rw max-lsp-bandwidth* [priority]
      |     |     +--rw max-link-bandwidth?        te-types:te-bandwidth
      |     |     +--rw max-resv-link-bandwidth?   te-types:te-bandwidth
      |     |     +--rw unreserved-bandwidth* [priority]
      |     |     +--rw te-default-metric?         uint32
      |     |     +--rw te-delay-metric?           uint32
      |     |     +--rw te-srlgs
      |     |     |  +--rw value*   te-types:srlg
      |     |     +--rw te-nsrlgs {nsrlg}?
      |     |        +--rw id*   uint32
      +--ro state
      |  +--ro te-node-template*           leafref {template}?
      |  +--ro te-node-attributes
      |  |  +--ro admin-status?            te-types:te-admin-status
      |  |  +--ro connectivity-matrices
      |  |  |  +--ro number-of-entries?         uint16
      |  |  |  +--ro label-restriction* [inclusive-exclusive label-start]
      |  |  |  +--ro is-allowed?                boolean
      |  |  |  +--ro underlay! {te-topology-hierarchy}?
      |  |  |  +--ro max-lsp-bandwidth* [priority]
      |  |  |  +--ro max-link-bandwidth?        te-types:te-bandwidth
      |  |  |  +--ro max-resv-link-bandwidth?   te-types:te-bandwidth
      |  |  |  +--ro unreserved-bandwidth* [priority]
      |  |  |  +--ro te-default-metric?         uint32
      |  |  |  +--ro te-delay-metric?           uint32
      |  |  |  +--ro te-srlgs
      |  |  |  |  +--ro value*   te-types:srlg
      |  |  |  +--ro te-nsrlgs {nsrlg}?
      |  |  |  |  +--ro id*   uint32
      |  |  |  +--ro connectivity-matrix* [id]
      |  |  |     +--ro id                         uint32
      |  |  |     +--ro from
      |  |  |     |  +--ro tp-ref?              leafref
      |  |  |     +--ro to
      |  |  |     |  +--ro tp-ref?              leafref
      |  |  |     +--ro is-allowed?                boolean
      |  |  |     +--ro underlay! {te-topology-hierarchy}?
-      |  |  |     +--ro max-lsp-bandwidth* [priority]
-      |  |  |     +--ro max-link-bandwidth?        te-types:te-bandwidth
-      |  |  |     +--ro max-resv-link-bandwidth?   te-types:te-bandwidth
-      |  |  |     +--ro unreserved-bandwidth* [priority]
-      |  |  |     +--ro te-default-metric?         uint32
-      |  |  |     +--ro te-delay-metric?           uint32
-      |  |  |     +--ro te-srlgs
-      |  |  |     |  +--ro value*   te-types:srlg
-      |  |  |     +--ro te-nsrlgs {nsrlg}?
-      |  |  |        +--ro id*   uint32

+                  +--ro path-properties
+                  |  +--ro metric* [name]
+                  |  |  +--ro name     identityref
+                  |  |  +--ro value?   uint64
+                  |  +--ro bandwidth-generic?    te-types:te-bandwidth
+                  |  +--ro setup-priority?       uint8
+                  |  +--ro hold-priority?        uint8
+                  |  +--ro ignore-overload?      boolean
+                  |  +--ro path-affinities
+                  |  +--ro path-srlgs

Thanks,

- Xufeng

Note: Please drop me an email if you need an invite for joining the weekly =
call.

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<p class=3D"MsoNormal">Attendees: Italo, Igor, Xufeng, Sergio, Pavan, Pawel=
 Ka, Carlo<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- For the tutorial document, submit the PDF version.=
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Discussed some type sharing with TE tunnel model<o=
:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; disjointness<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; o Xufeng have moved this type to te-typ=
es:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp; typedef te-path-disjointness {<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; type bits {<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; bit node {<o:p></o:p>=
</p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; position =
0;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; descripti=
on &quot;Node disjoint.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; bit link {<o:p></o:p>=
</p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; position =
1;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; descripti=
on &quot;Link disjoint.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; bit srlg {<o:p></o:p>=
</p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; position =
2;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; descripti=
on &quot;SRLG (Shared Risk Link Group) disjoint.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; }<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; description<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &quot;Type of the res=
ource disjointness for a TE tunnel path.&quot;;<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; reference<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &quot;RFC4872: RSVP-T=
E Extensions in Support of End-to-End<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Generalized Mul=
ti-Protocol Label Switching (GMPLS)<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Recovery&quot;;=
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp; } // te-path-disjointness<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp; &gt; path-properties<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; o Tarek will move the grouping to te-ty=
pes<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp; o Proposing the following:<o:p></o:p></=
p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">augment /nw:networks/nw:network/nw:node:<o:p></o:p><=
/p>
<p class=3D"MsoNormal">&nbsp;&nbsp; &#43;--rw te!<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw config<o:p>=
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw te-=
node-attributes<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; &#43;--rw connectivity-matrices<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw number-of-entries?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp; uint16<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw label-restriction* [inclusive-exclusive label-start]=
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw is-allowed?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw underlay! {te-topology-hierarchy}?<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw max-lsp-bandwidth* [priority]<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw max-link-bandwidth?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp; te-types:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw max-resv-link-bandwidth?&nbsp;&nbsp; te-types:te-ba=
ndwidth<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw unreserved-bandwidth* [priority]<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw te-default-metric?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw te-delay-metric?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw te-srlgs<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; |&nbsp; &#43;--rw value*&nbsp;&nbsp; te-types:srlg<o:p></o:p>=
</p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; &#43;--rw te-nsrlgs {nsrlg}?<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&=
nbsp; |&nbsp; |&nbsp; &#43;--rw id*&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;---rw path-constraints<o:p></o:p=
></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;---rw metric* [name]<o:p=
></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;---rw name&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;---rw low-limit?=
&nbsp;&nbsp;&nbsp; uint64<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;---rw high-limit=
?&nbsp;&nbsp; uint64<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;---rw bandwidth-generic?=
&nbsp;&nbsp;&nbsp; te-types:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;|&nbsp; &#43;---rw setup-priority?&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint8<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;---rw hold-priority?&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint8<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;---rw ignore-overload?&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;---rw path-affinities<o:=
p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;---rw path-srlgs<o:p></o=
:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp; &#43;--rw connectivity-matrix* [id]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw from<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw tp-ref?&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leafref<o:p></o=
:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw to<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw tp-ref?&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leafref<o:p></o=
:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw is-allowed?&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean=
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw underlay! {te-topology-hierarchy}?=
<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw max-lsp-bandwidth* [priority]<o:p>=
</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw max-link-bandwidth?&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; te-types:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp; &=
nbsp;|&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw max-resv-link-bandwidth?&nbsp;&nbs=
p; te-types:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw unreserved-bandwidth* [priority]<o=
:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw te-default-metric?&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw te-delay-metric?&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw te-srlgs<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--rw value*&nbsp;&nbsp; te-type=
s:srlg<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw te-nsrlgs {nsrlg}?<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp;&nbsp;&n=
bsp; |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--rw id*&nbsp;&nbsp; =
uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--ro state<o:p><=
/o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro te-=
node-template*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
leafref {template}?<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro te-=
node-attributes<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;=
--ro admin-status?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp; te-types:te-admin-status<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#43;=
--ro connectivity-matrices<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro number-of-entries?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; uint16<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro label-restriction* [inclusive-exclusive label-start]<o:p></o:p=
></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro is-allowed?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro underlay! {te-topology-hierarchy}?<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro max-lsp-bandwidth* [priority]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro max-link-bandwidth?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
te-types:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro max-resv-link-bandwidth?&nbsp;&nbsp; te-types:te-bandwidth<o:p=
></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro unreserved-bandwidth* [priority]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro te-default-metric?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro te-delay-metric?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro te-srlgs<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; |&nbsp; &#43;--ro value*&nbsp;&nbsp; te-types:srlg<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro te-nsrlgs {nsrlg}?<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; |&nbsp; &#43;--ro id*&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p; &#43;--ro connectivity-matrix* [id]<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p;&nbsp;&nbsp;&nbsp; &#43;--ro id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p;&nbsp;&nbsp;&nbsp; &#43;--ro from<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro tp-ref?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leafref<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p;&nbsp;&nbsp;&nbsp; &#43;--ro to<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro tp-ref?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leafref<o:p></o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p;&nbsp;&nbsp;&nbsp; &#43;--ro is-allowed?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean<o:p></o:p=
></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nbs=
p;&nbsp;&nbsp;&nbsp; &#43;--ro underlay! {te-topology-hierarchy}?<o:p></o:p=
></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro max-lsp-bandwidth* [priority]<o:p></o:p></p=
>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro max-link-bandwidth?&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp; te-types:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro max-resv-link-bandwidth?&nbsp;&nbsp; te-typ=
es:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro unreserved-bandwidth* [priority]<o:p></o:p>=
</p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro te-default-metric?&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro te-delay-metric?&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint32<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro te-srlgs<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro value*&nbsp;&nbsp; te-types:srlg<o:=
p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp; &#43;--ro te-nsrlgs {nsrlg}?<o:p></o:p></p>
<p class=3D"MsoNormal">-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; |&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--ro id*&nbsp;&nbsp; uint32<o:=
p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &#43;--ro path-prop=
erties<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro m=
etric* [name]<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#4=
3;--ro name&nbsp;&nbsp;&nbsp;&nbsp; identityref<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; |&nbsp; &#4=
3;--ro value?&nbsp;&nbsp; uint64<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro b=
andwidth-generic?&nbsp;&nbsp;&nbsp; te-types:te-bandwidth<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro s=
etup-priority?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint8<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro h=
old-priority?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint8<o:p></o:p></p=
>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro i=
gnore-overload?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; boolean<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro p=
ath-affinities<o:p></o:p></p>
<p class=3D"MsoNormal">&#43;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; &#43;--ro p=
ath-srlgs<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Xufeng<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Note: Please drop me an email if you need an invite =
for joining the weekly call.<o:p></o:p></p>
</div>
</body>
</html>

--_000_BN3PR0201MB08679241A4F2FCE9AB06F5E5F1FC0BN3PR0201MB0867_--


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Reply-To: <sebastian.thalanany@ieee.org>
From: "sebastian" <comscape@gmail.com>
To: "'Greg Mirsky'" <gregimirsky@gmail.com>
Cc: "'Leeyoung'" <leeyoung@huawei.com>, <NetSlices@ietf.org>, <teas@ietf.org>,  "'Daniele Ceccarelli'" <daniele.ceccarelli@ericsson.com>
References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <97EE7243-CB44-40AD-B02D-98E07D9C79F2@juniper.net> <DB3PR07MB0588EA2B00C389E762D8C59F91E60@DB3PR07MB0588.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD00786390993DBF8@SJCEML702-CHM.china.huawei.com> <15c1177e0c0.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <7AEB3D6833318045B4AE71C2C87E8E172B2CC48E@SJCEML702-CHM.china.huawei.com> <AM2PR07MB099483A94CDDD068D0F86CD5F0E50@AM2PR07MB0994.eurprd07.prod.outlook.com> <CA+RyBmXjfC9fQGEEW-qE6oQyMv7t9jjdRrVRW37urdtsfTXmdQ@mail.gmail.com> <DB5PR07MB0999DC0C4B74C7B36E57674DF0F90@DB5PR07MB0999.eurprd07.prod.outlook.com> <CA+RyBmUx1aP__uP_mVrjumBo2423=fjAUbiNmtc1cKo2Ah15FQ@mail.gmail.com>
In-Reply-To: <CA+RyBmUx1aP__uP_mVrjumBo2423=fjAUbiNmtc1cKo2Ah15FQ@mail.gmail.com>
Date: Sat, 27 May 2017 14:13:00 -0500
Message-ID: <000001d2d71d$428c2570$c7a47050$@gmail.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/ZKPqn6yeyDJ1rhxENjQkngHycFw>
Subject: Re: [Teas] [Netslices]  terminology discussion network slicing
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Hello, Greg,

=20

Concur with the following generalized definition of a network slice:

=20

"A set of network functions and the resources for these network =
functions which are arranged and configured, forming a complete logical =
network to meet certain network characteristics."

=20

The existence certain artifacts, such as tunnels or other attributes =
that in unison provide some capability, does not alter the notion that =
it is still some arrangement of resources (e.g. functions, storage, =
spectrum etc.)

=20

The scope of a network slice must also be extensible to any set of =
endpoints (e.g. orchestration across multiple administrative domains).

=20

Many thanks.

-Sebastian

=20

From: Netslices [mailto:netslices-bounces@ietf.org] On Behalf Of Greg =
Mirsky
Sent: Wednesday, May 24, 2017 7:49 AM
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
Cc: Leeyoung <leeyoung@huawei.com>; NetSlices@ietf.org; teas@ietf.org
Subject: Re: [Netslices] [Teas] terminology discussion network slicing

=20

Hi Daniele,

thank you for your kind and thorough consideration, glad we agree on the =
terminology. One minor, I think, note and the answer to your question =
under GIM2>> tag in-line.

=20

Regards,

Greg

=20

On Wed, May 24, 2017 at 4:39 AM, Daniele Ceccarelli =
<daniele.ceccarelli@ericsson.com =
<mailto:daniele.ceccarelli@ericsson.com> > wrote:

Hi Greg,

=20

good points. Please see in line.

=20

Cheers

Daniele =20

=20

From: Greg Mirsky [mailto:gregimirsky@gmail.com =
<mailto:gregimirsky@gmail.com> ]=20
Sent: sabato 20 maggio 2017 06:14
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com =
<mailto:daniele.ceccarelli@ericsson.com> >
Cc: Leeyoung <leeyoung@huawei.com <mailto:leeyoung@huawei.com> >; =
teas@ietf.org <mailto:teas@ietf.org> ; NetSlices@ietf.org =
<mailto:NetSlices@ietf.org>=20
Subject: Re: [Netslices] [Teas] terminology discussion network slicing

=20

Hi Daniele,

I think that my interpretation of network slice construct definition by =
3GPP is slightly different. Please find my comments in-line tagged =
GIM>>. Some are to do with terminology but, I believe, it is helpful to =
settle the dictionary and agree on the interpretation of terms.

=20

Regards,

Greg

=20

On Sat, May 20, 2017 at 4:18 AM, Daniele Ceccarelli =
<daniele.ceccarelli@ericsson.com =
<mailto:daniele.ceccarelli@ericsson.com> > wrote:

Hi Young, all,

i agree with your conclusion but would like to clarify one thing that =
IMO got lost in the discussion since its beginning.

The 3GPP definition says:
"A set of network functions and the resources for these network =
functions which are arranged and configured, forming a complete logical =
network to meet certain network characteristics."

This means that a network slice IS NOT a VPN or a TE Tunnel.

GIM>> My view is that VPN or a TE Tunnel could be part of instantiation =
of a network slice. There likely to be additional to TE parameters that =
may be considered, depending on the profile of the service requested the =
NS.

[>DC] I should have said =E2=80=9Cthis means that a network might not be =
JUST a VPN or a TE Tunnel=E2=80=9D and hence agree with you on the fact =
that the VPN or the TE Tunnel could be part of the network slice.=20

=20

A network slice is "something" (netslices and 3GPP will define what this =
something is) that is composed by a "piece" in the RADIO domain, a =
"piece" in the CLOUD domain, a "piece" in the TRANSPORT domain, plus =
possible other pieces in possible other domains.

GIM>> I see separation of RAN and "transport" networks. Indeed, there =
will be e2e construct (will it be still referred as "network slice" or =
"multi-domain NS") but it can be decomposed into domain-scope NSes. What =
you referred to as "piece" I consider as domain-scope NS.

[>DC] This is another terminology issue. I agree on the separation =
between the RAN domain and the =E2=80=9Ctransport=E2=80=9D domain =
(let=E2=80=99s keep on using the work transport with quotation marks for =
the time being) and all the other domains in the network. IMO the =
network slice is the end to end entity that is built by a RAN slice plus =
a =E2=80=9Ctransport=E2=80=9D slice plus other potential slices. And the =
=E2=80=9Ctransport=E2=80=9D slice could be a VPN, a TE tunnel=E2=80=A6

GIM2>> If to a segment of a network slice instance in a core network we =
refer as transport domain, then, as I understand, it's peer may be not =
only RAN segment but, e.g., segment of an access network of another =
kind.=20


The word "transport" can be misleading here since one could think of =
transport technologies (e.g. WDM, OTN), but what I'm referring to as =
TRANSPORT DOMAIN is that part of the network that is used to carry a =
packet between two other domains.
In order to have a slice, that portion of the transport domain needs to =
be engineered, hence it is all about building a TE entity and stitching =
services to such entity. This is what is in the ACTN scope.

GIM>> Should we use Client-Server terms?=20

[>DC] WRT what? Do you mean wrt the fact that the relationship between =
e.g. the RAN slice and the =E2=80=9Ctransport=E2=80=9D slice could be =
client- server? I see it more a peering relationship. ON the other side =
WITHIN the =E2=80=9Ctransport=E2=80=9D slice you could have different =
layers with client-server relationship, that=E2=80=99s right.

GIM2>> Yes, should have been clearer, it is the latter.=20


My very personal opinion is that whatever belongs to the transport =
domain belongs to IETF (and is already being addressed), while the rest =
is a dangerous duplication of concepts standardized is other SDOs...but =
this is another discussion that doesn't fit here.

BR
Daniele


-----Original Message-----
From: Teas [mailto:teas-bounces@ietf.org <mailto:teas-bounces@ietf.org> =
] On Behalf Of Leeyoung
Sent: venerd=C3=AC 19 maggio 2017 15:15
To: teas@ietf.org <mailto:teas@ietf.org>=20
Cc: NetSlices@ietf.org <mailto:NetSlices@ietf.org>=20

Subject: Re: [Teas] terminology discussion network slicing

Hi,

Lou is right. There is a dedicated email list for the discussion of =
"network slicing (cc'ed)" and the discussion about what that term means =
should be held on that list.

We have used similar language in draft-ietf-teas-actn-framework right =
from the
00 version. Recent changes have been an attempt to clarify what the =
terminology means in the context of ACTN. We are not trying to define or =
redefine "network slicing" in the ACTN document, but are trying to make =
it clear how ACTN works.

Therefore I propose the following resolution:

1. All discussion of the general applicability and definition of =
"network slicing" is held on the netslices mailing list.

2. We adopt Adrian's suggestion to explain that the scope of the =
definition of the terms used in the ACTN framework is limited to ACTN. =
That means effectively that if there are components of a wider =
definition of network slicing that are not supported by ACTN, that will =
be OK.

I propose to post an updated version in the next few days and I believe =
that will allow this draft to move ahead without being blocked by the =
discussion in netslices. Once the IETF has a stable definition of =
network slicing we can return and see how ACTN is applicable to that =
definition an whether more wok is need (in a separate draft).

Thanks,
Young

-----Original Message-----
From: Lou Berger [mailto:lberger@labn.net <mailto:lberger@labn.net> ]
Sent: Tuesday, May 16, 2017 8:35 AM
To: Igor Bryskin <Igor.Bryskin@huawei.com =
<mailto:Igor.Bryskin@huawei.com> >; Belotti, Sergio (Nokia - =
IT/Vimercate) <sergio.belotti@nokia.com =
<mailto:sergio.belotti@nokia.com> >; Gert Grammel <ggrammel@juniper.net =
<mailto:ggrammel@juniper.net> >; Leeyoung <leeyoung@huawei.com =
<mailto:leeyoung@huawei.com> >; teas@ietf.org <mailto:teas@ietf.org> ; =
adrian@olddog.co.uk <mailto:adrian@olddog.co.uk>=20
Subject: Re: [Teas] terminology discussion network slicing

Perhaps it's time to bring the discussion to the slicing list and report =
back their reaponse....

Lou


On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com =
<mailto:Igor.Bryskin@huawei.com> > wrote:

> Hi Sergio,
>
> I would also like to hear more from network slicing experts.
>
> My understanding is that the difference in the separation (in terms of
> control and data planes, security, etc.). For example, traditional BGP
> based L3 VPNs (that use provider's common control plane for their
> management and IP/MPLS TE tunnels to inter-connect their PEs) will
> probably not be able guarantee for the clients msec range connectivity
> setup times required by 5g, while provided by the same provider fully
> separated/genuinely private IP/MPLS networks (that do not share
> IP/MPLS control plane and infrastructure, whose network topology is
> supported by separate L0/L1 connections) hopefully will be able to
> provide such guarantees. Therefore, I define layer network slices as
> dynamically managed fully isolated in control and data planes private
> TE layer networks, which may share one or more underlying server layer =
networks.
>
>
> Cheers,
> Igor
>
>
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org =
<mailto:teas-bounces@ietf.org> ] On Behalf Of Belotti, Sergio
> (Nokia - IT/Vimercate)
> Sent: Tuesday, May 16, 2017 6:08 AM
> To: Gert Grammel; Leeyoung; teas@ietf.org <mailto:teas@ietf.org> ; =
adrian@olddog.co.uk <mailto:adrian@olddog.co.uk>=20
> Subject: Re: [Teas] terminology discussion network slicing
>
> Hi Gert,
>
> "Thinking a bit about it I came to the point where "VPN" and "network
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?"
>
> I share completely your conclusion , I'd like if someone can explain
> if a difference really exists .
>
> Thanks
> Sergio
>
>
> -----Original Message-----
> From: Teas [mailto:teas-bounces@ietf.org =
<mailto:teas-bounces@ietf.org> ] On Behalf Of Gert Grammel
> Sent: Monday, May 15, 2017 7:02 PM
> To: Leeyoung <leeyoung@huawei.com <mailto:leeyoung@huawei.com> >; =
teas@ietf.org <mailto:teas@ietf.org> ; adrian@olddog.co.uk =
<mailto:adrian@olddog.co.uk>=20
> Subject: Re: [Teas] terminology discussion network slicing
>
> Leeyoung,
>
> Thank you for taking a stab on this. Usually when getting to a
> definition, I try to establish what kind of existing constructs would
> fall under the definition. If my understanding is correct, the
> following list of constructs would all satisfy the definition somehow.
> - A TDM network with a p2p TDM connection
> - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
> - An MPLS LSP using a traffic engineered IP network
> - A L2VPN using a traffic engineered MPLS network
> - A L3VPN using a traffic engineered IP network
> - A TCP connection using a traffic engineered IP network
> - Different QoS classes in an IP network
>
> Thinking a bit about it I came to the point where "VPN" and "network
> slices" seem to describe the same entity or at least a "network slice"
> being a VPN of VPNs?
>
> Gert
>
>
> On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"
> <teas-bounces@ietf.org <mailto:teas-bounces@ietf.org>  on behalf of =
leeyoung@huawei.com <mailto:leeyoung@huawei.com> > wrote:
>
>     Hi Adrian and others,
>
>     We'd like cross check with you on some terminology we introduced =
newly. Any
>     comment on these terms will be greatly appreciated.
>
>     We introduced 'network slicing' as follows:
>
>             Network slicing is a collection of resources
>             that are used to establish logically dedicated virtual =
networks
>             over TE networks. It allows a network provider to provide
>             dedicated virtual networks for application/customer over a
>             common network infrastructure. The logically dedicated
>             resources are a part of the larger common network
>             infrastructures that are shared among various network =
slice
>             instances which are the end-to-end realization of network
>             slicing, consisting of the combination of physically or
>             logically dedicated resources.
>
>
>     Thanks.
>     Young and Daniele
>     -----Original Message-----
>     From: Leeyoung
>     Sent: Friday, May 05, 2017 1:41 PM
>     To: teas@ietf.org <mailto:teas@ietf.org>=20
>     Subject: RE: [Teas] I-D Action:
> draft-ietf-teas-actn-framework-05.txt
>
>     Hi,
>
>     This update is intended to incorporate the comments from the last =
WG
>     meeting and any pending issues. We also have taken the global =
editorial
>     changes to make it consistent through the document. Major changes =
are:
>
>     - Inclusion of "network slicing" definition from ACTN perspective =
(in the
>     terminology section)
>     - Added virtual network service (VNS) section (Section 3) to =
define types
>     of VNS.
>     - Incorporated "orchestration" (service/network) mapping to ACTN
>     architecture (See Section 5.2)
>     - Created a new section 6 (Topology Abstraction Method) where we =
imported
>     some texts from ACTN abstraction method
>     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>     - Added Appendices A & B to discuss example deployment scenarios =
such as
>     example of MDSC and PNC functions integrated in Service/Network
>     Orchestrator (Appendix A) and example of IP + Optical network with =
L3VPN
>     service (Appendix B)
>
>     In regard to ACTN abstraction method draft, we are going to keep =
it as a
>     separate draft and use this document to elaborate other aspects =
not
>     imported to the framework document.
>
>     The following diff pointer will help you see the changes with this =
revision:
>
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>     The co-authors believe that the document is ready for WG LC. Any
>     changes/comments will be appreciated.
>
>     Thanks & Best regards,
>     Young & Daniele (on behalf of other co-authors/contributors)
>
>     -----Original Message-----
>     From: Teas [mailto:teas-bounces@ietf.org =
<mailto:teas-bounces@ietf.org> ] On Behalf Of internet-drafts@ietf.org =
<mailto:internet-drafts@ietf.org>=20
>     Sent: Friday, May 05, 2017 10:41 AM
>     To: i-d-announce@ietf.org <mailto:i-d-announce@ietf.org>=20
>     Cc: teas@ietf.org <mailto:teas@ietf.org>=20
>     Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
>
>     A New Internet-Draft is available from the on-line Internet-Drafts =
directories.
>     This draft is a work item of the Traffic Engineering Architecture =
and
>     Signaling of the IETF.
>
>             Title           : Framework for Abstraction and Control of =
Traffic
>             Engineered Networks
>             Authors         : Daniele Ceccarelli
>                               Young Lee
>       Filename        : draft-ietf-teas-actn-framework-05.txt
>       Pages           : 41
>       Date            : 2017-05-05
>
>     Abstract:
>        Traffic Engineered networks have a variety of mechanisms to
>        facilitate the separation of the data plane and control plane. =
They
>        also have a range of management and provisioning protocols to
>        configure and activate network resources.  These mechanisms
>        represent key technologies for enabling flexible and dynamic
>        networking.
>
>        Abstraction of network resources is a technique that can be =
applied
>        to a single network domain or across multiple domains to create =
a
>        single virtualized network that is under the control of a =
network
>        operator or the customer of the operator that actually owns
>        the network resources.
>
>        This document provides a framework for Abstraction and Control =
of
>        Traffic Engineered Networks (ACTN).
>
>
>
>     The IETF datatracker status page for this draft is:
>     https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
>     There are also htmlized versions available at:
>     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
>     A diff from the previous version is available at:
>
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
>
>     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> .
>
>     Internet-Drafts are also available by anonymous FTP at:
>     ftp://ftp.ietf.org/internet-drafts/
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org <mailto:Teas@ietf.org>=20
>     https://www.ietf.org/mailman/listinfo/teas
>
>     _______________________________________________
>     Teas mailing list
>     Teas@ietf.org <mailto:Teas@ietf.org>=20
>     https://www.ietf.org/mailman/listinfo/teas
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org <mailto:Teas@ietf.org>=20
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org <mailto:Teas@ietf.org>=20
> https://www.ietf.org/mailman/listinfo/teas
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org <mailto:Teas@ietf.org>=20
> https://www.ietf.org/mailman/listinfo/teas
>


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=20

=20


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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'>Hello, Greg,<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'>Concur with the following generalized =
definition of a network slice:<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'>&quot;A set of network functions and the =
resources for these network functions which are arranged and configured, =
forming a complete logical network to meet certain network =
characteristics.&quot;<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'>The existence certain artifacts, such as =
tunnels or other attributes that in unison provide some capability, does =
not alter the notion that it is still some arrangement of resources =
(e.g. functions, storage, spectrum etc.)<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'>The scope of a network slice must also be =
extensible to any set of endpoints (e.g. orchestration across multiple =
administrative domains).<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'>Many thanks.<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'>-Sebastian<o:p></o:p></span></p><p =
class=3DMsoNormal><a name=3D"_MailEndCompose"><span =
style=3D'font-size:10.0pt;font-family:"Times New =
Roman",serif;color:#3580E3'><o:p>&nbsp;</o:p></span></a></p><span =
style=3D'mso-bookmark:_MailEndCompose'></span><p =
class=3DMsoNormal><b>From:</b> Netslices =
[mailto:netslices-bounces@ietf.org] <b>On Behalf Of </b>Greg =
Mirsky<br><b>Sent:</b> Wednesday, May 24, 2017 7:49 AM<br><b>To:</b> =
Daniele Ceccarelli &lt;daniele.ceccarelli@ericsson.com&gt;<br><b>Cc:</b> =
Leeyoung &lt;leeyoung@huawei.com&gt;; NetSlices@ietf.org; =
teas@ietf.org<br><b>Subject:</b> Re: [Netslices] [Teas] terminology =
discussion network slicing<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>Hi =
Daniele,<o:p></o:p></p><div><p class=3DMsoNormal>thank you for your kind =
and thorough consideration, glad we agree on the terminology. One minor, =
I think, note and the answer to your question under GIM2&gt;&gt; tag =
in-line.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Regards,<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Greg<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>On Wed, =
May 24, 2017 at 4:39 AM, Daniele Ceccarelli &lt;<a =
href=3D"mailto:daniele.ceccarelli@ericsson.com" =
target=3D"_blank">daniele.ceccarelli@ericsson.com</a>&gt; =
wrote:<o:p></o:p></p><blockquote style=3D'border:none;border-left:solid =
#CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
lang=3DIT>Hi Greg,<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
lang=3DIT>&nbsp;<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>good =
points. Please see in line.<span lang=3DIT><o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<span =
lang=3DIT><o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Cheers<span =
lang=3DIT><o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Daniele&nbsp=
; <span lang=3DIT><o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<span =
lang=3DIT><o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><b>From:</b> Greg Mirsky [mailto:<a =
href=3D"mailto:gregimirsky@gmail.com" =
target=3D"_blank">gregimirsky@gmail.com</a>] <br><b>Sent:</b> sabato 20 =
maggio 2017 06:14<br><b>To:</b> Daniele Ceccarelli &lt;<a =
href=3D"mailto:daniele.ceccarelli@ericsson.com" =
target=3D"_blank">daniele.ceccarelli@ericsson.com</a>&gt;<br><b>Cc:</b> =
Leeyoung &lt;<a href=3D"mailto:leeyoung@huawei.com" =
target=3D"_blank">leeyoung@huawei.com</a>&gt;; <a =
href=3D"mailto:teas@ietf.org" target=3D"_blank">teas@ietf.org</a>; <a =
href=3D"mailto:NetSlices@ietf.org" =
target=3D"_blank">NetSlices@ietf.org</a><br><b>Subject:</b> Re: =
[Netslices] [Teas] terminology discussion network slicing<span =
lang=3DIT><o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>&nbsp;<o:p></o:p></span></p><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>Hi Daniele,<o:p></o:p></span></p><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>I think that my interpretation of network slice =
construct definition by 3GPP is slightly different. Please find my =
comments in-line tagged GIM&gt;&gt;. Some are to do with terminology =
but, I believe, it is helpful to settle the dictionary and agree on the =
interpretation of terms.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>Regards,<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>Greg<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>&nbsp;<o:p></o:p></span></p><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>On Sat, May 20, 2017 at 4:18 AM, Daniele =
Ceccarelli &lt;<a href=3D"mailto:daniele.ceccarelli@ericsson.com" =
target=3D"_blank">daniele.ceccarelli@ericsson.com</a>&gt; =
wrote:<o:p></o:p></span></p><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>Hi Young, all,<br><br>i agree with your =
conclusion but would like to clarify one thing that IMO got lost in the =
discussion since its beginning.<br><br>The 3GPP definition =
says:<br>&quot;A set of network functions and the resources for these =
network functions which are arranged and configured, forming a complete =
logical network to meet certain network =
characteristics.&quot;<br><br>This means that a network slice IS NOT a =
VPN or a TE Tunnel.<o:p></o:p></span></p></blockquote><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>GIM&gt;&gt; My view is that VPN or a TE Tunnel =
could be part of instantiation of a network slice. There likely to be =
additional to TE parameters that may be considered, depending on the =
profile of the service requested the NS.<o:p></o:p></span></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><i>[&gt;D=
C] I should have said =E2=80=9Cthis means that a network might not be =
JUST a VPN or a TE Tunnel=E2=80=9D and hence agree with you on the fact =
that the VPN or the TE Tunnel could be part of the network slice. =
</i></b><span lang=3DIT><o:p></o:p></span></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'>&nbsp;<span lang=3DIT><o:p></o:p></span></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>A network slice is &quot;something&quot; =
(netslices and 3GPP will define what this something is) that is composed =
by a &quot;piece&quot; in the RADIO domain, a &quot;piece&quot; in the =
CLOUD domain, a &quot;piece&quot; in the TRANSPORT domain, plus possible =
other pieces in possible other =
domains.<o:p></o:p></span></p></blockquote><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>GIM&gt;&gt; I see separation of RAN and =
&quot;transport&quot; networks. Indeed, there will be e2e construct =
(will it be still referred as &quot;network slice&quot; or =
&quot;multi-domain NS&quot;) but it can be decomposed into domain-scope =
NSes. What you referred to as &quot;piece&quot; I consider as =
domain-scope NS.<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><i>[&gt;D=
C] This is another terminology issue. I agree on the separation between =
the RAN domain and the =E2=80=9Ctransport=E2=80=9D domain (let=E2=80=99s =
keep on using the work transport with quotation marks for the time =
being) and all the other domains in the network. IMO the network slice =
is the end to end entity that is built by a RAN slice plus a =
=E2=80=9Ctransport=E2=80=9D slice plus other potential slices. And the =
=E2=80=9Ctransport=E2=80=9D slice could be a VPN, a TE =
tunnel=E2=80=A6</i></b><span =
lang=3DIT><o:p></o:p></span></p></div></div></div></div></div></div></blo=
ckquote><div><p class=3DMsoNormal>GIM2&gt;&gt; If to a segment of a =
network slice instance in a core network we refer as transport domain, =
then, as I understand, it's peer may be not only RAN segment but, e.g., =
segment of an access network of another =
kind.&nbsp;<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><div><div><block=
quote style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in =
0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><br><span lang=3DIT>The word &quot;transport&quot; can be =
misleading here since one could think of transport technologies (e.g. =
WDM, OTN), but what I'm referring to as TRANSPORT DOMAIN is that part of =
the network that is used to carry a packet between two other =
domains.<br>In order to have a slice, that portion of the transport =
domain needs to be engineered, hence it is all about building a TE =
entity and stitching services to such entity. This is what is in the =
ACTN scope.<o:p></o:p></span></p></blockquote><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>GIM&gt;&gt; Should we use Client-Server =
terms?&nbsp;<o:p></o:p></span></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><i>[&gt;D=
C] WRT what? Do you mean wrt the fact that the relationship between e.g. =
the RAN slice and the =E2=80=9Ctransport=E2=80=9D slice could be client- =
server? I see it more a peering relationship. ON the other side WITHIN =
the =E2=80=9Ctransport=E2=80=9D slice you could have different layers =
with client-server relationship, that=E2=80=99s right.</i></b><span =
lang=3DIT><o:p></o:p></span></p></div></div></div></div></div></div></blo=
ckquote><div><p class=3DMsoNormal>GIM2&gt;&gt; Yes, should have been =
clearer, it is the latter.&nbsp;<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><div><div><div><=
div><blockquote style=3D'border:none;border-left:solid #CCCCCC =
1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><br>My very personal opinion is that whatever belongs to the =
transport domain belongs to IETF (and is already being addressed), while =
the rest is a dangerous duplication of concepts standardized is other =
SDOs...but this is another discussion that doesn't fit =
here.<br><br><span lang=3DIT>BR<br><span =
class=3Dm544545598366900498hoenzb><span =
style=3D'color:#888888'>Daniele</span></span><span =
style=3D'color:#888888'><br></span><br><br><span =
class=3Dm544545598366900498im>-----Original Message-----</span><br><span =
class=3Dm544545598366900498im>From: Teas [mailto:<a =
href=3D"mailto:teas-bounces@ietf.org" =
target=3D"_blank">teas-bounces@ietf.org</a>] On Behalf Of =
Leeyoung</span><br><span class=3Dm544545598366900498im>Sent: =
venerd=C3=AC 19 maggio 2017 15:15</span><br><span =
class=3Dm544545598366900498im>To: <a href=3D"mailto:teas@ietf.org" =
target=3D"_blank">teas@ietf.org</a></span><br><span =
class=3Dm544545598366900498im>Cc: <a href=3D"mailto:NetSlices@ietf.org" =
target=3D"_blank">NetSlices@ietf.org</a></span><o:p></o:p></span></p><div=
><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:3=
5.4pt'><span lang=3DIT>Subject: Re: [Teas] terminology discussion =
network slicing<br><br>Hi,<br><br>Lou is right. There is a dedicated =
email list for the discussion of &quot;network slicing (cc'ed)&quot; and =
the discussion about what that term means should be held on that =
list.<br><br>We have used similar language in =
draft-ietf-teas-actn-framework right from the<br>00 version. Recent =
changes have been an attempt to clarify what the terminology means in =
the context of ACTN. We are not trying to define or redefine =
&quot;network slicing&quot; in the ACTN document, but are trying to make =
it clear how ACTN works.<br><br>Therefore I propose the following =
resolution:<br><br>1. All discussion of the general applicability and =
definition of &quot;network slicing&quot; is held on the netslices =
mailing list.<br><br>2. We adopt Adrian's suggestion to explain that the =
scope of the definition of the terms used in the ACTN framework is =
limited to ACTN. That means effectively that if there are components of =
a wider definition of network slicing that are not supported by ACTN, =
that will be OK.<br><br>I propose to post an updated version in the next =
few days and I believe that will allow this draft to move ahead without =
being blocked by the discussion in netslices. Once the IETF has a stable =
definition of network slicing we can return and see how ACTN is =
applicable to that definition an whether more wok is need (in a separate =
draft).<br><br>Thanks,<br>Young<br><br>-----Original =
Message-----<br>From: Lou Berger [mailto:<a =
href=3D"mailto:lberger@labn.net" =
target=3D"_blank">lberger@labn.net</a>]<br>Sent: Tuesday, May 16, 2017 =
8:35 AM<br>To: Igor Bryskin &lt;<a =
href=3D"mailto:Igor.Bryskin@huawei.com" =
target=3D"_blank">Igor.Bryskin@huawei.com</a>&gt;; Belotti, Sergio =
(Nokia - IT/Vimercate) &lt;<a href=3D"mailto:sergio.belotti@nokia.com" =
target=3D"_blank">sergio.belotti@nokia.com</a>&gt;; Gert Grammel &lt;<a =
href=3D"mailto:ggrammel@juniper.net" =
target=3D"_blank">ggrammel@juniper.net</a>&gt;; Leeyoung &lt;<a =
href=3D"mailto:leeyoung@huawei.com" =
target=3D"_blank">leeyoung@huawei.com</a>&gt;; <a =
href=3D"mailto:teas@ietf.org" target=3D"_blank">teas@ietf.org</a>; <a =
href=3D"mailto:adrian@olddog.co.uk" =
target=3D"_blank">adrian@olddog.co.uk</a><br>Subject: Re: [Teas] =
terminology discussion network slicing<br><br>Perhaps it's time to bring =
the discussion to the slicing list and report back their =
reaponse....<br><br>Lou<br><br><br>On May 16, 2017 8:31:19 AM Igor =
Bryskin &lt;<a href=3D"mailto:Igor.Bryskin@huawei.com" =
target=3D"_blank">Igor.Bryskin@huawei.com</a>&gt; wrote:<br><br>&gt; Hi =
Sergio,<br>&gt;<br>&gt; I would also like to hear more from network =
slicing experts.<br>&gt;<br>&gt; My understanding is that the difference =
in the separation (in terms of<br>&gt; control and data planes, =
security, etc.). For example, traditional BGP<br>&gt; based L3 VPNs =
(that use provider's common control plane for their<br>&gt; management =
and IP/MPLS TE tunnels to inter-connect their PEs) will<br>&gt; probably =
not be able guarantee for the clients msec range connectivity<br>&gt; =
setup times required by 5g, while provided by the same provider =
fully<br>&gt; separated/genuinely private IP/MPLS networks (that do not =
share<br>&gt; IP/MPLS control plane and infrastructure, whose network =
topology is<br>&gt; supported by separate L0/L1 connections) hopefully =
will be able to<br>&gt; provide such guarantees. Therefore, I define =
layer network slices as<br>&gt; dynamically managed fully isolated in =
control and data planes private<br>&gt; TE layer networks, which may =
share one or more underlying server layer =
networks.<br>&gt;<br>&gt;<br>&gt; Cheers,<br>&gt; =
Igor<br>&gt;<br>&gt;<br>&gt;<br>&gt;<br>&gt; -----Original =
Message-----<br>&gt; From: Teas [mailto:<a =
href=3D"mailto:teas-bounces@ietf.org" =
target=3D"_blank">teas-bounces@ietf.org</a>] On Behalf Of Belotti, =
Sergio<br>&gt; (Nokia - IT/Vimercate)<br>&gt; Sent: Tuesday, May 16, =
2017 6:08 AM<br>&gt; To: Gert Grammel; Leeyoung; <a =
href=3D"mailto:teas@ietf.org" target=3D"_blank">teas@ietf.org</a>; <a =
href=3D"mailto:adrian@olddog.co.uk" =
target=3D"_blank">adrian@olddog.co.uk</a><br>&gt; Subject: Re: [Teas] =
terminology discussion network slicing<br>&gt;<br>&gt; Hi =
Gert,<br>&gt;<br>&gt; &quot;Thinking a bit about it I came to the point =
where &quot;VPN&quot; and &quot;network<br>&gt; slices&quot; seem to =
describe the same entity or at least a &quot;network slice&quot;<br>&gt; =
being a VPN of VPNs?&quot;<br>&gt;<br>&gt; I share completely your =
conclusion , I'd like if someone can explain<br>&gt; if a difference =
really exists .<br>&gt;<br>&gt; Thanks<br>&gt; =
Sergio<br>&gt;<br>&gt;<br>&gt; -----Original Message-----<br>&gt; From: =
Teas [mailto:<a href=3D"mailto:teas-bounces@ietf.org" =
target=3D"_blank">teas-bounces@ietf.org</a>] On Behalf Of Gert =
Grammel<br>&gt; Sent: Monday, May 15, 2017 7:02 PM<br>&gt; To: Leeyoung =
&lt;<a href=3D"mailto:leeyoung@huawei.com" =
target=3D"_blank">leeyoung@huawei.com</a>&gt;; <a =
href=3D"mailto:teas@ietf.org" target=3D"_blank">teas@ietf.org</a>; <a =
href=3D"mailto:adrian@olddog.co.uk" =
target=3D"_blank">adrian@olddog.co.uk</a><br>&gt; Subject: Re: [Teas] =
terminology discussion network slicing<br>&gt;<br>&gt; =
Leeyoung,<br>&gt;<br>&gt; Thank you for taking a stab on this. Usually =
when getting to a<br>&gt; definition, I try to establish what kind of =
existing constructs would<br>&gt; fall under the definition. If my =
understanding is correct, the<br>&gt; following list of constructs would =
all satisfy the definition somehow.<br>&gt; - A TDM network with a p2p =
TDM connection<br>&gt; - A PSC capable network carrying a p2p circuit =
(such as EPL/EVPL)<br>&gt; - An MPLS LSP using a traffic engineered IP =
network<br>&gt; - A L2VPN using a traffic engineered MPLS =
network<br>&gt; - A L3VPN using a traffic engineered IP network<br>&gt; =
- A TCP connection using a traffic engineered IP network<br>&gt; - =
Different QoS classes in an IP network<br>&gt;<br>&gt; Thinking a bit =
about it I came to the point where &quot;VPN&quot; and =
&quot;network<br>&gt; slices&quot; seem to describe the same entity or =
at least a &quot;network slice&quot;<br>&gt; being a VPN of =
VPNs?<br>&gt;<br>&gt; Gert<br>&gt;<br>&gt;<br>&gt; On 2017-05-17, 16:44, =
&quot;Teas on behalf of Leeyoung&quot;<br>&gt; &lt;<a =
href=3D"mailto:teas-bounces@ietf.org" =
target=3D"_blank">teas-bounces@ietf.org</a> on behalf of <a =
href=3D"mailto:leeyoung@huawei.com" =
target=3D"_blank">leeyoung@huawei.com</a>&gt; =
wrote:<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;Hi Adrian and =
others,<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;We'd like cross check with =
you on some terminology we introduced newly. Any<br>&gt;&nbsp; &nbsp; =
&nbsp;comment on these terms will be greatly =
appreciated.<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;We introduced 'network =
slicing' as follows:<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp;Network slicing is a collection of resources<br>&gt;&nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;that are used to establish =
logically dedicated virtual networks<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp;over TE networks. It allows a network provider to =
provide<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;dedicated =
virtual networks for application/customer over a<br>&gt;&nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;common network infrastructure. The =
logically dedicated<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;resources are a part of the larger common network<br>&gt;&nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;infrastructures that are shared =
among various network slice<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp;instances which are the end-to-end realization of =
network<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;slicing, =
consisting of the combination of physically or<br>&gt;&nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;logically dedicated =
resources.<br>&gt;<br>&gt;<br>&gt;&nbsp; &nbsp; =
&nbsp;Thanks.<br>&gt;&nbsp; &nbsp; &nbsp;Young and Daniele<br>&gt;&nbsp; =
&nbsp; &nbsp;-----Original Message-----<br>&gt;&nbsp; &nbsp; &nbsp;From: =
Leeyoung<br>&gt;&nbsp; &nbsp; &nbsp;Sent: Friday, May 05, 2017 1:41 =
PM<br>&gt;&nbsp; &nbsp; &nbsp;To: <a href=3D"mailto:teas@ietf.org" =
target=3D"_blank">teas@ietf.org</a><br>&gt;&nbsp; &nbsp; &nbsp;Subject: =
RE: [Teas] I-D Action:<br>&gt; =
draft-ietf-teas-actn-framework-05.txt<br>&gt;<br>&gt;&nbsp; &nbsp; =
&nbsp;Hi,<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;This update is intended to =
incorporate the comments from the last WG<br>&gt;&nbsp; &nbsp; =
&nbsp;meeting and any pending issues. We also have taken the global =
editorial<br>&gt;&nbsp; &nbsp; &nbsp;changes to make it consistent =
through the document. Major changes are:<br>&gt;<br>&gt;&nbsp; &nbsp; =
&nbsp;- Inclusion of &quot;network slicing&quot; definition from ACTN =
perspective (in the<br>&gt;&nbsp; &nbsp; &nbsp;terminology =
section)<br>&gt;&nbsp; &nbsp; &nbsp;- Added virtual network service =
(VNS) section (Section 3) to define types<br>&gt;&nbsp; &nbsp; &nbsp;of =
VNS.<br>&gt;&nbsp; &nbsp; &nbsp;- Incorporated &quot;orchestration&quot; =
(service/network) mapping to ACTN<br>&gt;&nbsp; &nbsp; =
&nbsp;architecture (See Section 5.2)<br>&gt;&nbsp; &nbsp; &nbsp;- =
Created a new section 6 (Topology Abstraction Method) where we =
imported<br>&gt;&nbsp; &nbsp; &nbsp;some texts from ACTN abstraction =
method<br>&gt;&nbsp; &nbsp; &nbsp;<a =
href=3D"https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01" =
target=3D"_blank">https://tools.ietf.org/html/draft-lee-teas-actn-abstrac=
tion-01</a><br>&gt;&nbsp; &nbsp; &nbsp;- Added Appendices A &amp; B to =
discuss example deployment scenarios such as<br>&gt;&nbsp; &nbsp; =
&nbsp;example of MDSC and PNC functions integrated in =
Service/Network<br>&gt;&nbsp; &nbsp; &nbsp;Orchestrator (Appendix A) and =
example of IP + Optical network with L3VPN<br>&gt;&nbsp; &nbsp; =
&nbsp;service (Appendix B)<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;In regard =
to ACTN abstraction method draft, we are going to keep it as =
a<br>&gt;&nbsp; &nbsp; &nbsp;separate draft and use this document to =
elaborate other aspects not<br>&gt;&nbsp; &nbsp; &nbsp;imported to the =
framework document.<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;The following =
diff pointer will help you see the changes with this =
revision:<br>&gt;<br>&gt; <a =
href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framewor=
k-05" =
target=3D"_blank">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-act=
n-framework-05</a><br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;The co-authors =
believe that the document is ready for WG LC. Any<br>&gt;&nbsp; &nbsp; =
&nbsp;changes/comments will be appreciated.<br>&gt;<br>&gt;&nbsp; &nbsp; =
&nbsp;Thanks &amp; Best regards,<br>&gt;&nbsp; &nbsp; &nbsp;Young &amp; =
Daniele (on behalf of other =
co-authors/contributors)<br>&gt;<br>&gt;&nbsp; &nbsp; =
&nbsp;-----Original Message-----<br>&gt;&nbsp; &nbsp; &nbsp;From: Teas =
[mailto:<a href=3D"mailto:teas-bounces@ietf.org" =
target=3D"_blank">teas-bounces@ietf.org</a>] On Behalf Of <a =
href=3D"mailto:internet-drafts@ietf.org" =
target=3D"_blank">internet-drafts@ietf.org</a><br>&gt;&nbsp; &nbsp; =
&nbsp;Sent: Friday, May 05, 2017 10:41 AM<br>&gt;&nbsp; &nbsp; &nbsp;To: =
<a href=3D"mailto:i-d-announce@ietf.org" =
target=3D"_blank">i-d-announce@ietf.org</a><br>&gt;&nbsp; &nbsp; =
&nbsp;Cc: <a href=3D"mailto:teas@ietf.org" =
target=3D"_blank">teas@ietf.org</a><br>&gt;&nbsp; &nbsp; &nbsp;Subject: =
[Teas] I-D Action: =
draft-ietf-teas-actn-framework-05.txt<br>&gt;<br>&gt;<br>&gt;&nbsp; =
&nbsp; &nbsp;A New Internet-Draft is available from the on-line =
Internet-Drafts directories.<br>&gt;&nbsp; &nbsp; &nbsp;This draft is a =
work item of the Traffic Engineering Architecture and<br>&gt;&nbsp; =
&nbsp; &nbsp;Signaling of the IETF.<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp;Title&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;: Framework for Abstraction and Control of Traffic<br>&gt;&nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Engineered =
Networks<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;Authors&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: Daniele =
Ceccarelli<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Young =
Lee<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp;Filename&nbsp; &nbsp; &nbsp; =
&nbsp; : draft-ietf-teas-actn-framework-05.txt<br>&gt;&nbsp; &nbsp; =
&nbsp; &nbsp;Pages&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;: =
41<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp;Date&nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; : 2017-05-05<br>&gt;<br>&gt;&nbsp; &nbsp; =
&nbsp;Abstract:<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; Traffic Engineered =
networks have a variety of mechanisms to<br>&gt;&nbsp; &nbsp; &nbsp; =
&nbsp; facilitate the separation of the data plane and control plane. =
They<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; also have a range of management =
and provisioning protocols to<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; =
configure and activate network resources.&nbsp; These =
mechanisms<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; represent key technologies =
for enabling flexible and dynamic<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; =
networking.<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; Abstraction of =
network resources is a technique that can be applied<br>&gt;&nbsp; =
&nbsp; &nbsp; &nbsp; to a single network domain or across multiple =
domains to create a<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; single =
virtualized network that is under the control of a network<br>&gt;&nbsp; =
&nbsp; &nbsp; &nbsp; operator or the customer of the operator that =
actually owns<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; the network =
resources.<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp; &nbsp; This document =
provides a framework for Abstraction and Control of<br>&gt;&nbsp; &nbsp; =
&nbsp; &nbsp; Traffic Engineered Networks =
(ACTN).<br>&gt;<br>&gt;<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;The IETF =
datatracker status page for this draft is:<br>&gt;&nbsp; &nbsp; &nbsp;<a =
href=3D"https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/"=
 =
target=3D"_blank">https://datatracker.ietf.org/doc/draft-ietf-teas-actn-f=
ramework/</a><br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;There are also htmlized =
versions available at:<br>&gt;&nbsp; &nbsp; &nbsp;<a =
href=3D"https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05" =
target=3D"_blank">https://tools.ietf.org/html/draft-ietf-teas-actn-framew=
ork-05</a><br>&gt;<br>&gt; <a =
href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framew=
ork-0" =
target=3D"_blank">https://datatracker.ietf.org/doc/html/draft-ietf-teas-a=
ctn-framework-0</a><br>&gt; 5<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;A diff =
from the previous version is available at:<br>&gt;<br>&gt; <a =
href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framewor=
k-05" =
target=3D"_blank">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-act=
n-framework-05</a><br>&gt;<br>&gt;<br>&gt;&nbsp; &nbsp; &nbsp;Please =
note that it may take a couple of minutes from the time of<br>&gt;&nbsp; =
&nbsp; &nbsp;submission until the htmlized version and diff are =
available at <a href=3D"http://tools.ietf.org" =
target=3D"_blank">tools.ietf.org</a>.<br>&gt;<br>&gt;&nbsp; &nbsp; =
&nbsp;Internet-Drafts are also available by anonymous FTP =
at:<br>&gt;&nbsp; &nbsp; &nbsp;<a =
href=3D"ftp://ftp.ietf.org/internet-drafts/" =
target=3D"_blank">ftp://ftp.ietf.org/internet-drafts/</a><br>&gt;<br>&gt;=
&nbsp; &nbsp; =
&nbsp;_______________________________________________<br>&gt;&nbsp; =
&nbsp; &nbsp;Teas mailing list<br>&gt;&nbsp; &nbsp; &nbsp;<a =
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Reply-To: <sebastian.thalanany@ieee.org>
From: "sebastian" <comscape@gmail.com>
To: "'Igor Bryskin'" <Igor.Bryskin@huawei.com>, "'Jeff Tantsura'" <jefftant.ietf@gmail.com>, "'qiangli \(D\)'" <qiangli3@huawei.com>, "'Daniele Ceccarelli'" <daniele.ceccarelli@ericsson.com>, "'Leeyoung'" <leeyoung@huawei.com>, <teas@ietf.org>
Cc: <NetSlices@ietf.org>
References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <97EE7243-CB44-40AD-B02D-98E07D9C79F2@juniper.net> <DB3PR07MB0588EA2B00C389E762D8C59F91E60@DB3PR07MB0588.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD00786390993DBF8@SJCEML702-CHM.china.huawei.com> <15c1177e0c0.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <7AEB3D6833318045B4AE71C2C87E8E172B2CC48E@SJCEML702-CHM.china.huawei.com> <AM2PR07MB099483A94CDDD068D0F86CD5F0E50@AM2PR07MB0994.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD0078639099515B3@SJCEML702-CHM.china.huawei.com> <06C389826B926F48A557D5DB5A54C4ED29BB49B9@SZXEMI507-MBS.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD007863909953AFA@SJCEML702-CHM.china.huawei.com> <06C389826B926F48A557D5DB5A54C4ED29BB520C@SZXEMI507-MBS.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD0078639099662D6@SJCEML702-CHM.china.huawei.com> <4B13E4DA-DB18-4454-AFC4-57A8B1264CE1@gmail.com> <0C72C38E7EBC34499E8A9E7DD00786390996673B@SJCEML702-CHM.china.huawei.com>
In-Reply-To: <0C72C38E7EBC34499E8A9E7DD00786390996673B@SJCEML702-CHM.china.huawei.com>
Date: Sun, 28 May 2017 00:12:02 -0500
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/NlkNumSDDnbv7jtphYp6aJHMEtE>
Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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Hello, Jeff,

Agree with your view that the scope (core and/or radio layer) of a =
'network slice' could vary depending on the triggers for instantiating =
the 'network slice'.

On the other hand the instantiation of a 'network slice' may also be e2e =
(end-to-end), such as in device roaming scenarios, or in the case of =
vertical services that span different service providers.

The span of a 'network slice' is only limited by the availability of =
resources and appropriate policies (e.g. SLAs), independent of whether =
those resources are in the core network layer or in the radio network =
layer.

The management and orchestration of resources should be capable of =
instantiating a 'network slice' with an e2e (end-to-end) scope, where =
the scope could be between two devices, connected across intervening =
radio networks and core networks that may belong to the same or =
different administrative domains.

Many thanks.
-Sebastian


-----Original Message-----
From: Netslices [mailto:netslices-bounces@ietf.org] On Behalf Of Igor =
Bryskin
Sent: Wednesday, May 24, 2017 7:56 AM
To: Jeff Tantsura <jefftant.ietf@gmail.com>; qiangli (D) =
<qiangli3@huawei.com>; Daniele Ceccarelli =
<daniele.ceccarelli@ericsson.com>; Leeyoung <leeyoung@huawei.com>; =
teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Netslices] [Teas] terminology discussion network slicing

Thanks Jeff,

I am glad we are in sync.

Igor

-----Original Message-----
From: Jeff Tantsura [mailto:jefftant.ietf@gmail.com]=20
Sent: Wednesday, May 24, 2017 8:45 AM
To: Igor Bryskin; qiangli (D); Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

+1 Igor

>From transport side (L0-L3) we need to expose set of API=E2=80=99s that =
would allow to request a set of resources (a slice) either virtualized =
of physical that meet the constrains as requested by the business logic. =
Radio, while would definitely be one of most important use cases, would =
not be exclusively for radio use only. Any network management/ =
orchestration layer ideally should be able to use same set of =
API=E2=80=99s to request an e2e service.

Cheers,
Jeff
=20

On 5/24/17, 05:26, "Teas on behalf of Igor Bryskin" =
<teas-bounces@ietf.org on behalf of Igor.Bryskin@huawei.com> wrote:

    Hi Cristina,
   =20
    I didn=E2=80=99t say that ns has nothing to do with radio. I said =
that ns *may* have nothing to do with radio, i.e. may support/enable =
network architectures that do not involve radio necessarily.
   =20
    Igor
   =20
    -----Original Message-----
    From: qiangli (D)=20
    Sent: Wednesday, May 24, 2017 5:05 AM
    To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion network =
slicing
   =20
    Hi Igor,
   =20
    I share the same opinion on 5G and network slicing, but can't see =
the relation between this opinion and your conclusion that ns has =
nothing to do with radio.
   =20
    Best regards,
   =20
    Cristina QIANG
   =20
   =20
    -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
    =E5=8F=91=E4=BB=B6=E4=BA=BA: Igor Bryskin=20
    =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: =
2017=E5=B9=B45=E6=9C=8820=E6=97=A5 23:50
    =E6=94=B6=E4=BB=B6=E4=BA=BA: qiangli (D); Daniele Ceccarelli; =
Leeyoung; teas@ietf.org
    =E6=8A=84=E9=80=81: NetSlices@ietf.org
    =E4=B8=BB=E9=A2=98: RE: [Teas] terminology discussion network =
slicing
   =20
    Hi Cristina,
   =20
    People whose opinion I respect very much told me that even the 3GPP =
network slicing definition and effort is not 5G specific.  Network =
slicing is viewed as an important capability of 5G, but it could serve =
other architectures.
   =20
    Cheers,
    Igor
   =20
    -----Original Message-----
    From: qiangli (D)
    Sent: Saturday, May 20, 2017 5:27 AM
    To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion network =
slicing
   =20
    Hi Igor,
   =20
    I have different opinion on " Network slicing may have nothing to do =
with radio".
    IMO, network slicing should be a resource-oriented management mode. =
The end-to-end network slice (from UE to server/other UE) of course =
involves the radio resource, usually we use the word "RAN-radio access =
network" rather than simply say "radio". The Frequency band, time, code, =
equipment/site, and software are a number of dimensions, in which RAN =
resources can be isolated [Online available =
http://www.huawei.com/en/industry-insights/mbb-2020/trends-insights/5g-se=
rvice-guaranteed-network-slicing-whitepaper].
   =20
    Best regards,
   =20
    Qiang, Li (Cristina)
    NetLab, Huawei
   =20
   =20
    -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
    =E5=8F=91=E4=BB=B6=E4=BA=BA: Netslices =
[mailto:netslices-bounces@ietf.org] =E4=BB=A3=E8=A1=A8 Igor Bryskin
    =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: =
2017=E5=B9=B45=E6=9C=8820=E6=97=A5 6:12
    =E6=94=B6=E4=BB=B6=E4=BA=BA: Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
    =E6=8A=84=E9=80=81: NetSlices@ietf.org
    =E4=B8=BB=E9=A2=98: Re: [Netslices] [Teas] terminology discussion =
network slicing
   =20
    Hi Danielle,
   =20
    Network slicing may have nothing to do with radio. 5g is just a big =
reason as to why the interest/focus is back on network slicing, which is =
a very old concept. I don't think that anyone is arguing with what you =
wrote. The questions are:
    a) how do you manage these "pieces"?
    b) what policy infrastructure should be put in place?
    c) how do you ensure their separation or, conversely, the degree of =
resource sharing?
    d) why exactly legacy VPNs are not good enough?
   =20
    Cheers,
    Igor
   =20
   =20
     =20
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Daniele =
Ceccarelli
    Sent: Friday, May 19, 2017 4:19 PM
    To: Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Hi Young, all,
   =20
    i agree with your conclusion but would like to clarify one thing =
that IMO got lost in the discussion since its beginning.
   =20
    The 3GPP definition says:=20
    "A set of network functions and the resources for these network =
functions which are arranged and configured, forming a complete logical =
network to meet certain network characteristics."
   =20
    This means that a network slice IS NOT a VPN or a TE Tunnel.
    A network slice is "something" (netslices and 3GPP will define what =
this something is) that is composed by a "piece" in the RADIO domain, a =
"piece" in the CLOUD domain, a "piece" in the TRANSPORT domain, plus =
possible other pieces in possible other domains.
   =20
    The word "transport" can be misleading here since one could think of =
transport technologies (e.g. WDM, OTN), but what I'm referring to as =
TRANSPORT DOMAIN is that part of the network that is used to carry a =
packet between two other domains.=20
    In order to have a slice, that portion of the transport domain needs =
to be engineered, hence it is all about building a TE entity and =
stitching services to such entity. This is what is in the ACTN scope.
   =20
    My very personal opinion is that whatever belongs to the transport =
domain belongs to IETF (and is already being addressed), while the rest =
is a dangerous duplication of concepts standardized is other SDOs...but =
this is another discussion that doesn't fit here.
   =20
    BR
    Daniele =20
   =20
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
    Sent: venerd=C3=AC 19 maggio 2017 15:15
    To: teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Hi,
   =20
    Lou is right. There is a dedicated email list for the discussion of =
"network slicing (cc'ed)" and the discussion about what that term means =
should be held on that list.=20
   =20
    We have used similar language in draft-ietf-teas-actn-framework =
right from the
    00 version. Recent changes have been an attempt to clarify what the =
terminology means in the context of ACTN. We are not trying to define or =
redefine "network slicing" in the ACTN document, but are trying to make =
it clear how ACTN works.
   =20
    Therefore I propose the following resolution:
   =20
    1. All discussion of the general applicability and definition of =
"network slicing" is held on the netslices mailing list.
   =20
    2. We adopt Adrian's suggestion to explain that the scope of the =
definition of the terms used in the ACTN framework is limited to ACTN. =
That means effectively that if there are components of a wider =
definition of network slicing that are not supported by ACTN, that will =
be OK.=20
   =20
    I propose to post an updated version in the next few days and I =
believe that will allow this draft to move ahead without being blocked =
by the discussion in netslices. Once the IETF has a stable definition of =
network slicing we can return and see how ACTN is applicable to that =
definition an whether more wok is need (in a separate draft).
   =20
    Thanks,
    Young
   =20
    -----Original Message-----
    From: Lou Berger [mailto:lberger@labn.net]
    Sent: Tuesday, May 16, 2017 8:35 AM
    To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - =
IT/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel =
<ggrammel@juniper.net>; Leeyoung <leeyoung@huawei.com>; teas@ietf.org; =
adrian@olddog.co.uk
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Perhaps it's time to bring the discussion to the slicing list and =
report back their reaponse....
   =20
    Lou
   =20
   =20
    On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> =
wrote:
   =20
    > Hi Sergio,
    >
    > I would also like to hear more from network slicing experts.
    >
    > My understanding is that the difference in the separation (in =
terms of=20
    > control and data planes, security, etc.). For example, traditional =
BGP=20
    > based L3 VPNs (that use provider's common control plane for their=20
    > management and IP/MPLS TE tunnels to inter-connect their PEs) will =

    > probably not be able guarantee for the clients msec range =
connectivity=20
    > setup times required by 5g, while provided by the same provider =
fully=20
    > separated/genuinely private IP/MPLS networks (that do not share=20
    > IP/MPLS control plane and infrastructure, whose network topology =
is=20
    > supported by separate L0/L1 connections) hopefully will be able to =

    > provide such guarantees. Therefore, I define layer network slices =
as=20
    > dynamically managed fully isolated in control and data planes =
private=20
    > TE layer networks, which may share one or more underlying server =
layer networks.
    >
    >
    > Cheers,
    > Igor
    >
    >
    >
    >
    > -----Original Message-----
    > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, =
Sergio=20
    > (Nokia - IT/Vimercate)
    > Sent: Tuesday, May 16, 2017 6:08 AM
    > To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
    > Subject: Re: [Teas] terminology discussion network slicing
    >
    > Hi Gert,
    >
    > "Thinking a bit about it I came to the point where "VPN" and =
"network=20
    > slices" seem to describe the same entity or at least a "network =
slice"
    > being a VPN of VPNs?"
    >
    > I share completely your conclusion , I'd like if someone can =
explain=20
    > if a difference really exists .
    >
    > Thanks
    > Sergio
    >
    >
    > -----Original Message-----
    > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert =
Grammel
    > Sent: Monday, May 15, 2017 7:02 PM
    > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; =
adrian@olddog.co.uk
    > Subject: Re: [Teas] terminology discussion network slicing
    >
    > Leeyoung,
    >
    > Thank you for taking a stab on this. Usually when getting to a=20
    > definition, I try to establish what kind of existing constructs =
would=20
    > fall under the definition. If my understanding is correct, the=20
    > following list of constructs would all satisfy the definition =
somehow.
    > - A TDM network with a p2p TDM connection
    > - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
    > - An MPLS LSP using a traffic engineered IP network
    > - A L2VPN using a traffic engineered MPLS network
    > - A L3VPN using a traffic engineered IP network
    > - A TCP connection using a traffic engineered IP network
    > - Different QoS classes in an IP network
    >
    > Thinking a bit about it I came to the point where "VPN" and =
"network=20
    > slices" seem to describe the same entity or at least a "network =
slice"
    > being a VPN of VPNs?
    >
    > Gert
    >
    >
    > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
    > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
    >
    >     Hi Adrian and others,
    >
    >     We'd like cross check with you on some terminology we =
introduced newly. Any=20
    >     comment on these terms will be greatly appreciated.
    >
    >     We introduced 'network slicing' as follows:
    >
    >             Network slicing is a collection of resources
    >             that are used to establish logically dedicated virtual =
networks
    >             over TE networks. It allows a network provider to =
provide
    >             dedicated virtual networks for application/customer =
over a
    >             common network infrastructure. The logically dedicated
    >             resources are a part of the larger common network
    >             infrastructures that are shared among various network =
slice
    >             instances which are the end-to-end realization of =
network
    >             slicing, consisting of the combination of physically =
or
    >             logically dedicated resources.
    >
    >
    >     Thanks.
    >     Young and Daniele
    >     -----Original Message-----
    >     From: Leeyoung
    >     Sent: Friday, May 05, 2017 1:41 PM
    >     To: teas@ietf.org
    >     Subject: RE: [Teas] I-D Action:=20
    > draft-ietf-teas-actn-framework-05.txt
    >
    >     Hi,
    >
    >     This update is intended to incorporate the comments from the =
last WG=20
    >     meeting and any pending issues. We also have taken the global =
editorial=20
    >     changes to make it consistent through the document. Major =
changes are:
    >
    >     - Inclusion of "network slicing" definition from ACTN =
perspective (in the=20
    >     terminology section)
    >     - Added virtual network service (VNS) section (Section 3) to =
define types=20
    >     of VNS.
    >     - Incorporated "orchestration" (service/network) mapping to =
ACTN=20
    >     architecture (See Section 5.2)
    >     - Created a new section 6 (Topology Abstraction Method) where =
we imported=20
    >     some texts from ACTN abstraction method =20
    >     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
    >     - Added Appendices A & B to discuss example deployment =
scenarios such as=20
    >     example of MDSC and PNC functions integrated in =
Service/Network=20
    >     Orchestrator (Appendix A) and example of IP + Optical network =
with L3VPN=20
    >     service (Appendix B)
    >
    >     In regard to ACTN abstraction method draft, we are going to =
keep it as a=20
    >     separate draft and use this document to elaborate other =
aspects not=20
    >     imported to the framework document.
    >
    >     The following diff pointer will help you see the changes with =
this revision:
    >    =20
    > =
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
    >
    >     The co-authors believe that the document is ready for WG LC. =
Any=20
    >     changes/comments will be appreciated.
    >
    >     Thanks & Best regards,
    >     Young & Daniele (on behalf of other co-authors/contributors)
    >
    >     -----Original Message-----
    >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of =
internet-drafts@ietf.org
    >     Sent: Friday, May 05, 2017 10:41 AM
    >     To: i-d-announce@ietf.org
    >     Cc: teas@ietf.org
    >     Subject: [Teas] I-D Action: =
draft-ietf-teas-actn-framework-05.txt
    >
    >
    >     A New Internet-Draft is available from the on-line =
Internet-Drafts directories.
    >     This draft is a work item of the Traffic Engineering =
Architecture and=20
    >     Signaling of the IETF.
    >
    >             Title           : Framework for Abstraction and =
Control of Traffic=20
    >             Engineered Networks
    >             Authors         : Daniele Ceccarelli
    >                               Young Lee
    >     	Filename        : draft-ietf-teas-actn-framework-05.txt
    >     	Pages           : 41
    >     	Date            : 2017-05-05
    >
    >     Abstract:
    >        Traffic Engineered networks have a variety of mechanisms to
    >        facilitate the separation of the data plane and control =
plane. They
    >        also have a range of management and provisioning protocols =
to
    >        configure and activate network resources.  These mechanisms
    >        represent key technologies for enabling flexible and =
dynamic
    >        networking.
    >
    >        Abstraction of network resources is a technique that can be =
applied
    >        to a single network domain or across multiple domains to =
create a
    >        single virtualized network that is under the control of a =
network
    >        operator or the customer of the operator that actually owns
    >        the network resources.
    >
    >        This document provides a framework for Abstraction and =
Control of
    >        Traffic Engineered Networks (ACTN).
    >
    >
    >
    >     The IETF datatracker status page for this draft is:
    >     =
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
    >
    >     There are also htmlized versions available at:
    >     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
    >    =20
    > =
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
    > 5
    >
    >     A diff from the previous version is available at:
    >    =20
    > =
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
    >
    >
    >     Please note that it may take a couple of minutes from the time =
of=20
    >     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/
    >
    >     _______________________________________________
    >     Teas mailing list
    >     Teas@ietf.org
    >     https://www.ietf.org/mailman/listinfo/teas
    >
    >     _______________________________________________
    >     Teas mailing list
    >     Teas@ietf.org
    >     https://www.ietf.org/mailman/listinfo/teas
    >
    >
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
   =20
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20
    _______________________________________________
    Netslices mailing list
    Netslices@ietf.org
    https://www.ietf.org/mailman/listinfo/netslices
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20


_______________________________________________
Netslices mailing list
Netslices@ietf.org
https://www.ietf.org/mailman/listinfo/netslices


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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: Greg Mirsky <gregimirsky@gmail.com>
CC: Leeyoung <leeyoung@huawei.com>, "NetSlices@ietf.org" <NetSlices@ietf.org>,  "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Netslices] [Teas] terminology discussion network slicing
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Date: Mon, 29 May 2017 08:04:10 +0000
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From nobody Mon May 29 01:08:43 2017
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: "sebastian.thalanany@ieee.org" <sebastian.thalanany@ieee.org>, "'Greg Mirsky'" <gregimirsky@gmail.com>
CC: 'Leeyoung' <leeyoung@huawei.com>, "NetSlices@ietf.org" <NetSlices@ietf.org>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Netslices] [Teas] terminology discussion network slicing
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Date: Mon, 29 May 2017 08:08:17 +0000
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: "sebastian.thalanany@ieee.org" <sebastian.thalanany@ieee.org>, "'Igor Bryskin'" <Igor.Bryskin@huawei.com>, 'Jeff Tantsura' <jefftant.ietf@gmail.com>, "'qiangli (D)'" <qiangli3@huawei.com>, 'Leeyoung' <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
CC: "NetSlices@ietf.org" <NetSlices@ietf.org>
Thread-Topic: [Netslices] [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: "Dongjie (Jimmy)" <jie.dong@huawei.com>, Igor Bryskin <Igor.Bryskin@huawei.com>, "qiangli (D)" <qiangli3@huawei.com>, Leeyoung <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
CC: "NetSlices@ietf.org" <NetSlices@ietf.org>
Thread-Topic: [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] terminology discussion  network slicing
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From: Gert Grammel <ggrammel@juniper.net>
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, "sebastian.thalanany@ieee.org" <sebastian.thalanany@ieee.org>, 'Igor Bryskin' <Igor.Bryskin@huawei.com>, 'Jeff Tantsura' <jefftant.ietf@gmail.com>, "'qiangli (D)'" <qiangli3@huawei.com>, 'Leeyoung' <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Thread-Topic: [Teas] [Netslices]  terminology discussion  network slicing
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/Hys2dbmTF6puFTEwtc1BcLjvvvQ>
Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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Reply-To: <sebastian.thalanany@ieee.org>
From: "sebastian" <comscape@gmail.com>
To: "'Daniele Ceccarelli'" <daniele.ceccarelli@ericsson.com>, <sebastian.thalanany@ieee.org>, "'Igor Bryskin'" <Igor.Bryskin@huawei.com>, "'Jeff Tantsura'" <jefftant.ietf@gmail.com>, "'qiangli \(D\)'" <qiangli3@huawei.com>, "'Leeyoung'" <leeyoung@huawei.com>, <teas@ietf.org>
Cc: <NetSlices@ietf.org>
References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <97EE7243-CB44-40AD-B02D-98E07D9C79F2@juniper.net> <DB3PR07MB0588EA2B00C389E762D8C59F91E60@DB3PR07MB0588.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD00786390993DBF8@SJCEML702-CHM.china.huawei.com> <15c1177e0c0.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <7AEB3D6833318045B4AE71C2C87E8E172B2CC48E@SJCEML702-CHM.china.huawei.com> <AM2PR07MB099483A94CDDD068D0F86CD5F0E50@AM2PR07MB0994.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD0078639099515B3@SJCEML702-CHM.china.huawei.com> <06C389826B926F48A557D5DB5A54C4ED29BB49B9@SZXEMI507-MBS.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD007863909953AFA@SJCEML702-CHM.china.huawei.com> <06C389826B926F48A557D5DB5A54C4ED29BB520C@SZXEMI507-MBS.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD0078639099662D6@SJCEML702-CHM.china.huawei.com> <4B13E4DA-DB18-4454-AFC4-57A8B1264CE1@gmail.com> <0C72C38E7EBC34499E8A9E7DD00786390996673B@SJCEML702-CHM.china.huawei.com> <001501d2d7 70$f1a16180$d4e42480$@gmail.com> <AM2PR07MB09948AF604E3C7869296AEDCF0F30@AM2PR07MB0994.eurprd07.prod.outlook.com>
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Date: Mon, 29 May 2017 11:12:35 -0500
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Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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Hello, Daniele,

Appreciate your query.

Yes, the following statement, implies a network slice being instantiated =
includes the necessary resources, across any intervening core, and radio =
access networks, between a source device (entity) and a destination =
device (entity):
"The management and orchestration of resources should be capable of =
instantiating a 'network slice' with an e2e (end-to-end) scope, where =
the scope could be between two devices, connected across intervening =
radio networks and core networks that may belong to the same or =
different administrative domains."

The maximum scope of an e2e network slice instantiation, would be =
between two devices (entities), connected via intervening administrative =
domains)
Shorter spans of a network slice may be instantiated to suit other =
scenarios (e.g. between any two any entities, such as within a network, =
where one entity may require the services of another etc.)

All resources, associated with a network slice that is instantiated, may =
not be subject to virtualization (e.g. physical entities, such as =
antenna elements, which require a physical geometry.)

Many thanks.,
   Sebastian

-----Original Message-----
From: Daniele Ceccarelli [mailto:daniele.ceccarelli@ericsson.com]=20
Sent: Monday, May 29, 2017 4:01 AM
To: sebastian.thalanany@ieee.org; 'Igor Bryskin' =
<Igor.Bryskin@huawei.com>; 'Jeff Tantsura' <jefftant.ietf@gmail.com>; =
'qiangli (D)' <qiangli3@huawei.com>; 'Leeyoung' <leeyoung@huawei.com>; =
teas@ietf.org
Cc: NetSlices@ietf.org
Subject: RE: [Netslices] [Teas] terminology discussion network slicing

Hi Sebastian, Jeff, Igor, all,

I understand Jeff and Igor agree on the fact that a network slice does =
not necessarily include resources in the radio segment/domain and in the =
packet core one.
An example could be an enterprise with dedicated resources in the =
"transport" segment (e.g. VPN, VN and TE-tunnels) that connect the =
customer premises to a data center where a number of VNF (e.g. firewall, =
nat, dpi) is dedicated to that given customer.
My personal opinion is that this should be considered a network slice.

The definition of network slice should allow for this scenario and =
mostly should clearly state whether this is included or not.=20

Sebastian, I don't understand if your statement:=20
" The management and orchestration of resources should be capable of =
instantiating a 'network slice' with an e2e (end-to-end) scope, where =
the scope could be between two devices, connected across intervening =
radio networks and core networks that may belong to the same or =
different administrative domains."
implies that there must be a radio and a core segment in order to have a =
slice.

BR
Daniele =20


-----Original Message-----
From: sebastian [mailto:comscape@gmail.com]=20
Sent: domenica 28 maggio 2017 07:12
To: 'Igor Bryskin' <Igor.Bryskin@huawei.com>; 'Jeff Tantsura' =
<jefftant.ietf@gmail.com>; 'qiangli (D)' <qiangli3@huawei.com>; Daniele =
Ceccarelli <daniele.ceccarelli@ericsson.com>; 'Leeyoung' =
<leeyoung@huawei.com>; teas@ietf.org
Cc: NetSlices@ietf.org
Subject: RE: [Netslices] [Teas] terminology discussion network slicing

Hello, Jeff,

Agree with your view that the scope (core and/or radio layer) of a =
'network slice' could vary depending on the triggers for instantiating =
the 'network slice'.

On the other hand the instantiation of a 'network slice' may also be e2e =
(end-to-end), such as in device roaming scenarios, or in the case of =
vertical services that span different service providers.

The span of a 'network slice' is only limited by the availability of =
resources and appropriate policies (e.g. SLAs), independent of whether =
those resources are in the core network layer or in the radio network =
layer.

The management and orchestration of resources should be capable of =
instantiating a 'network slice' with an e2e (end-to-end) scope, where =
the scope could be between two devices, connected across intervening =
radio networks and core networks that may belong to the same or =
different administrative domains.

Many thanks.
-Sebastian


-----Original Message-----
From: Netslices [mailto:netslices-bounces@ietf.org] On Behalf Of Igor =
Bryskin
Sent: Wednesday, May 24, 2017 7:56 AM
To: Jeff Tantsura <jefftant.ietf@gmail.com>; qiangli (D) =
<qiangli3@huawei.com>; Daniele Ceccarelli =
<daniele.ceccarelli@ericsson.com>; Leeyoung <leeyoung@huawei.com>; =
teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Netslices] [Teas] terminology discussion network slicing

Thanks Jeff,

I am glad we are in sync.

Igor

-----Original Message-----
From: Jeff Tantsura [mailto:jefftant.ietf@gmail.com]=20
Sent: Wednesday, May 24, 2017 8:45 AM
To: Igor Bryskin; qiangli (D); Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Teas] terminology discussion network slicing

+1 Igor

>From transport side (L0-L3) we need to expose set of API=E2=80=99s that =
would allow to request a set of resources (a slice) either virtualized =
of physical that meet the constrains as requested by the business logic. =
Radio, while would definitely be one of most important use cases, would =
not be exclusively for radio use only. Any network management/ =
orchestration layer ideally should be able to use same set of =
API=E2=80=99s to request an e2e service.

Cheers,
Jeff
=20

On 5/24/17, 05:26, "Teas on behalf of Igor Bryskin" =
<teas-bounces@ietf.org on behalf of Igor.Bryskin@huawei.com> wrote:

    Hi Cristina,
   =20
    I didn=E2=80=99t say that ns has nothing to do with radio. I said =
that ns *may* have nothing to do with radio, i.e. may support/enable =
network architectures that do not involve radio necessarily.
   =20
    Igor
   =20
    -----Original Message-----
    From: qiangli (D)=20
    Sent: Wednesday, May 24, 2017 5:05 AM
    To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion network =
slicing
   =20
    Hi Igor,
   =20
    I share the same opinion on 5G and network slicing, but can't see =
the relation between this opinion and your conclusion that ns has =
nothing to do with radio.
   =20
    Best regards,
   =20
    Cristina QIANG
   =20
   =20
    -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
    =E5=8F=91=E4=BB=B6=E4=BA=BA: Igor Bryskin=20
    =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: =
2017=E5=B9=B45=E6=9C=8820=E6=97=A5 23:50
    =E6=94=B6=E4=BB=B6=E4=BA=BA: qiangli (D); Daniele Ceccarelli; =
Leeyoung; teas@ietf.org
    =E6=8A=84=E9=80=81: NetSlices@ietf.org
    =E4=B8=BB=E9=A2=98: RE: [Teas] terminology discussion network =
slicing
   =20
    Hi Cristina,
   =20
    People whose opinion I respect very much told me that even the 3GPP =
network slicing definition and effort is not 5G specific.  Network =
slicing is viewed as an important capability of 5G, but it could serve =
other architectures.
   =20
    Cheers,
    Igor
   =20
    -----Original Message-----
    From: qiangli (D)
    Sent: Saturday, May 20, 2017 5:27 AM
    To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion network =
slicing
   =20
    Hi Igor,
   =20
    I have different opinion on " Network slicing may have nothing to do =
with radio".
    IMO, network slicing should be a resource-oriented management mode. =
The end-to-end network slice (from UE to server/other UE) of course =
involves the radio resource, usually we use the word "RAN-radio access =
network" rather than simply say "radio". The Frequency band, time, code, =
equipment/site, and software are a number of dimensions, in which RAN =
resources can be isolated [Online available =
http://www.huawei.com/en/industry-insights/mbb-2020/trends-insights/5g-se=
rvice-guaranteed-network-slicing-whitepaper].
   =20
    Best regards,
   =20
    Qiang, Li (Cristina)
    NetLab, Huawei
   =20
   =20
    -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
    =E5=8F=91=E4=BB=B6=E4=BA=BA: Netslices =
[mailto:netslices-bounces@ietf.org] =E4=BB=A3=E8=A1=A8 Igor Bryskin
    =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: =
2017=E5=B9=B45=E6=9C=8820=E6=97=A5 6:12
    =E6=94=B6=E4=BB=B6=E4=BA=BA: Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
    =E6=8A=84=E9=80=81: NetSlices@ietf.org
    =E4=B8=BB=E9=A2=98: Re: [Netslices] [Teas] terminology discussion =
network slicing
   =20
    Hi Danielle,
   =20
    Network slicing may have nothing to do with radio. 5g is just a big =
reason as to why the interest/focus is back on network slicing, which is =
a very old concept. I don't think that anyone is arguing with what you =
wrote. The questions are:
    a) how do you manage these "pieces"?
    b) what policy infrastructure should be put in place?
    c) how do you ensure their separation or, conversely, the degree of =
resource sharing?
    d) why exactly legacy VPNs are not good enough?
   =20
    Cheers,
    Igor
   =20
   =20
     =20
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Daniele =
Ceccarelli
    Sent: Friday, May 19, 2017 4:19 PM
    To: Leeyoung; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Hi Young, all,
   =20
    i agree with your conclusion but would like to clarify one thing =
that IMO got lost in the discussion since its beginning.
   =20
    The 3GPP definition says:=20
    "A set of network functions and the resources for these network =
functions which are arranged and configured, forming a complete logical =
network to meet certain network characteristics."
   =20
    This means that a network slice IS NOT a VPN or a TE Tunnel.
    A network slice is "something" (netslices and 3GPP will define what =
this something is) that is composed by a "piece" in the RADIO domain, a =
"piece" in the CLOUD domain, a "piece" in the TRANSPORT domain, plus =
possible other pieces in possible other domains.
   =20
    The word "transport" can be misleading here since one could think of =
transport technologies (e.g. WDM, OTN), but what I'm referring to as =
TRANSPORT DOMAIN is that part of the network that is used to carry a =
packet between two other domains.=20
    In order to have a slice, that portion of the transport domain needs =
to be engineered, hence it is all about building a TE entity and =
stitching services to such entity. This is what is in the ACTN scope.
   =20
    My very personal opinion is that whatever belongs to the transport =
domain belongs to IETF (and is already being addressed), while the rest =
is a dangerous duplication of concepts standardized is other SDOs...but =
this is another discussion that doesn't fit here.
   =20
    BR
    Daniele =20
   =20
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung
    Sent: venerd=C3=AC 19 maggio 2017 15:15
    To: teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Hi,
   =20
    Lou is right. There is a dedicated email list for the discussion of =
"network slicing (cc'ed)" and the discussion about what that term means =
should be held on that list.=20
   =20
    We have used similar language in draft-ietf-teas-actn-framework =
right from the
    00 version. Recent changes have been an attempt to clarify what the =
terminology means in the context of ACTN. We are not trying to define or =
redefine "network slicing" in the ACTN document, but are trying to make =
it clear how ACTN works.
   =20
    Therefore I propose the following resolution:
   =20
    1. All discussion of the general applicability and definition of =
"network slicing" is held on the netslices mailing list.
   =20
    2. We adopt Adrian's suggestion to explain that the scope of the =
definition of the terms used in the ACTN framework is limited to ACTN. =
That means effectively that if there are components of a wider =
definition of network slicing that are not supported by ACTN, that will =
be OK.=20
   =20
    I propose to post an updated version in the next few days and I =
believe that will allow this draft to move ahead without being blocked =
by the discussion in netslices. Once the IETF has a stable definition of =
network slicing we can return and see how ACTN is applicable to that =
definition an whether more wok is need (in a separate draft).
   =20
    Thanks,
    Young
   =20
    -----Original Message-----
    From: Lou Berger [mailto:lberger@labn.net]
    Sent: Tuesday, May 16, 2017 8:35 AM
    To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio (Nokia - =
IT/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel =
<ggrammel@juniper.net>; Leeyoung <leeyoung@huawei.com>; teas@ietf.org; =
adrian@olddog.co.uk
    Subject: Re: [Teas] terminology discussion network slicing
   =20
    Perhaps it's time to bring the discussion to the slicing list and =
report back their reaponse....
   =20
    Lou
   =20
   =20
    On May 16, 2017 8:31:19 AM Igor Bryskin <Igor.Bryskin@huawei.com> =
wrote:
   =20
    > Hi Sergio,
    >
    > I would also like to hear more from network slicing experts.
    >
    > My understanding is that the difference in the separation (in =
terms of=20
    > control and data planes, security, etc.). For example, traditional =
BGP=20
    > based L3 VPNs (that use provider's common control plane for their=20
    > management and IP/MPLS TE tunnels to inter-connect their PEs) will =

    > probably not be able guarantee for the clients msec range =
connectivity=20
    > setup times required by 5g, while provided by the same provider =
fully=20
    > separated/genuinely private IP/MPLS networks (that do not share=20
    > IP/MPLS control plane and infrastructure, whose network topology =
is=20
    > supported by separate L0/L1 connections) hopefully will be able to =

    > provide such guarantees. Therefore, I define layer network slices =
as=20
    > dynamically managed fully isolated in control and data planes =
private=20
    > TE layer networks, which may share one or more underlying server =
layer networks.
    >
    >
    > Cheers,
    > Igor
    >
    >
    >
    >
    > -----Original Message-----
    > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Belotti, =
Sergio=20
    > (Nokia - IT/Vimercate)
    > Sent: Tuesday, May 16, 2017 6:08 AM
    > To: Gert Grammel; Leeyoung; teas@ietf.org; adrian@olddog.co.uk
    > Subject: Re: [Teas] terminology discussion network slicing
    >
    > Hi Gert,
    >
    > "Thinking a bit about it I came to the point where "VPN" and =
"network=20
    > slices" seem to describe the same entity or at least a "network =
slice"
    > being a VPN of VPNs?"
    >
    > I share completely your conclusion , I'd like if someone can =
explain=20
    > if a difference really exists .
    >
    > Thanks
    > Sergio
    >
    >
    > -----Original Message-----
    > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert =
Grammel
    > Sent: Monday, May 15, 2017 7:02 PM
    > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; =
adrian@olddog.co.uk
    > Subject: Re: [Teas] terminology discussion network slicing
    >
    > Leeyoung,
    >
    > Thank you for taking a stab on this. Usually when getting to a=20
    > definition, I try to establish what kind of existing constructs =
would=20
    > fall under the definition. If my understanding is correct, the=20
    > following list of constructs would all satisfy the definition =
somehow.
    > - A TDM network with a p2p TDM connection
    > - A PSC capable network carrying a p2p circuit (such as EPL/EVPL)
    > - An MPLS LSP using a traffic engineered IP network
    > - A L2VPN using a traffic engineered MPLS network
    > - A L3VPN using a traffic engineered IP network
    > - A TCP connection using a traffic engineered IP network
    > - Different QoS classes in an IP network
    >
    > Thinking a bit about it I came to the point where "VPN" and =
"network=20
    > slices" seem to describe the same entity or at least a "network =
slice"
    > being a VPN of VPNs?
    >
    > Gert
    >
    >
    > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
    > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> wrote:
    >
    >     Hi Adrian and others,
    >
    >     We'd like cross check with you on some terminology we =
introduced newly. Any=20
    >     comment on these terms will be greatly appreciated.
    >
    >     We introduced 'network slicing' as follows:
    >
    >             Network slicing is a collection of resources
    >             that are used to establish logically dedicated virtual =
networks
    >             over TE networks. It allows a network provider to =
provide
    >             dedicated virtual networks for application/customer =
over a
    >             common network infrastructure. The logically dedicated
    >             resources are a part of the larger common network
    >             infrastructures that are shared among various network =
slice
    >             instances which are the end-to-end realization of =
network
    >             slicing, consisting of the combination of physically =
or
    >             logically dedicated resources.
    >
    >
    >     Thanks.
    >     Young and Daniele
    >     -----Original Message-----
    >     From: Leeyoung
    >     Sent: Friday, May 05, 2017 1:41 PM
    >     To: teas@ietf.org
    >     Subject: RE: [Teas] I-D Action:=20
    > draft-ietf-teas-actn-framework-05.txt
    >
    >     Hi,
    >
    >     This update is intended to incorporate the comments from the =
last WG=20
    >     meeting and any pending issues. We also have taken the global =
editorial=20
    >     changes to make it consistent through the document. Major =
changes are:
    >
    >     - Inclusion of "network slicing" definition from ACTN =
perspective (in the=20
    >     terminology section)
    >     - Added virtual network service (VNS) section (Section 3) to =
define types=20
    >     of VNS.
    >     - Incorporated "orchestration" (service/network) mapping to =
ACTN=20
    >     architecture (See Section 5.2)
    >     - Created a new section 6 (Topology Abstraction Method) where =
we imported=20
    >     some texts from ACTN abstraction method =20
    >     https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
    >     - Added Appendices A & B to discuss example deployment =
scenarios such as=20
    >     example of MDSC and PNC functions integrated in =
Service/Network=20
    >     Orchestrator (Appendix A) and example of IP + Optical network =
with L3VPN=20
    >     service (Appendix B)
    >
    >     In regard to ACTN abstraction method draft, we are going to =
keep it as a=20
    >     separate draft and use this document to elaborate other =
aspects not=20
    >     imported to the framework document.
    >
    >     The following diff pointer will help you see the changes with =
this revision:
    >    =20
    > =
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
    >
    >     The co-authors believe that the document is ready for WG LC. =
Any=20
    >     changes/comments will be appreciated.
    >
    >     Thanks & Best regards,
    >     Young & Daniele (on behalf of other co-authors/contributors)
    >
    >     -----Original Message-----
    >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of =
internet-drafts@ietf.org
    >     Sent: Friday, May 05, 2017 10:41 AM
    >     To: i-d-announce@ietf.org
    >     Cc: teas@ietf.org
    >     Subject: [Teas] I-D Action: =
draft-ietf-teas-actn-framework-05.txt
    >
    >
    >     A New Internet-Draft is available from the on-line =
Internet-Drafts directories.
    >     This draft is a work item of the Traffic Engineering =
Architecture and=20
    >     Signaling of the IETF.
    >
    >             Title           : Framework for Abstraction and =
Control of Traffic=20
    >             Engineered Networks
    >             Authors         : Daniele Ceccarelli
    >                               Young Lee
    >     	Filename        : draft-ietf-teas-actn-framework-05.txt
    >     	Pages           : 41
    >     	Date            : 2017-05-05
    >
    >     Abstract:
    >        Traffic Engineered networks have a variety of mechanisms to
    >        facilitate the separation of the data plane and control =
plane. They
    >        also have a range of management and provisioning protocols =
to
    >        configure and activate network resources.  These mechanisms
    >        represent key technologies for enabling flexible and =
dynamic
    >        networking.
    >
    >        Abstraction of network resources is a technique that can be =
applied
    >        to a single network domain or across multiple domains to =
create a
    >        single virtualized network that is under the control of a =
network
    >        operator or the customer of the operator that actually owns
    >        the network resources.
    >
    >        This document provides a framework for Abstraction and =
Control of
    >        Traffic Engineered Networks (ACTN).
    >
    >
    >
    >     The IETF datatracker status page for this draft is:
    >     =
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
    >
    >     There are also htmlized versions available at:
    >     https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
    >    =20
    > =
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
    > 5
    >
    >     A diff from the previous version is available at:
    >    =20
    > =
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
    >
    >
    >     Please note that it may take a couple of minutes from the time =
of=20
    >     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/
    >
    >     _______________________________________________
    >     Teas mailing list
    >     Teas@ietf.org
    >     https://www.ietf.org/mailman/listinfo/teas
    >
    >     _______________________________________________
    >     Teas mailing list
    >     Teas@ietf.org
    >     https://www.ietf.org/mailman/listinfo/teas
    >
    >
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
    > _______________________________________________
    > Teas mailing list
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    > https://www.ietf.org/mailman/listinfo/teas
    >
    > _______________________________________________
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    > Teas@ietf.org
    > https://www.ietf.org/mailman/listinfo/teas
    >
   =20
   =20
    _______________________________________________
    Teas mailing list
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    https://www.ietf.org/mailman/listinfo/teas
   =20
    _______________________________________________
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From: "Flinck, Hannu (Nokia - FI/Espoo)" <hannu.flinck@nokia-bell-labs.com>
To: "sebastian.thalanany@ieee.org" <sebastian.thalanany@ieee.org>, "'Igor Bryskin'" <Igor.Bryskin@huawei.com>, 'Jeff Tantsura' <jefftant.ietf@gmail.com>, "'qiangli (D)'" <qiangli3@huawei.com>, "'Daniele Ceccarelli'" <daniele.ceccarelli@ericsson.com>, 'Leeyoung' <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Thread-Topic: [Netslices] [Teas] terminology discussion  network slicing
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Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: Gert Grammel <ggrammel@juniper.net>, "sebastian.thalanany@ieee.org" <sebastian.thalanany@ieee.org>, 'Igor Bryskin' <Igor.Bryskin@huawei.com>, 'Jeff Tantsura' <jefftant.ietf@gmail.com>, "'qiangli (D)'" <qiangli3@huawei.com>, 'Leeyoung' <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
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Thread-Topic: [Teas] [Netslices]  terminology discussion  network slicing
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Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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From: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>
To: "sebastian.thalanany@ieee.org" <sebastian.thalanany@ieee.org>, "'Igor Bryskin'" <Igor.Bryskin@huawei.com>, 'Jeff Tantsura' <jefftant.ietf@gmail.com>, "'qiangli (D)'" <qiangli3@huawei.com>, 'Leeyoung' <leeyoung@huawei.com>, "teas@ietf.org" <teas@ietf.org>
CC: "NetSlices@ietf.org" <NetSlices@ietf.org>
Thread-Topic: [Teas] [Netslices]  terminology discussion  network slicing
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Date: Tue, 30 May 2017 08:28:47 +0000
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Subject: Re: [Teas] [Netslices]  terminology discussion  network slicing
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Reply-To: <sebastian.thalanany@ieee.org>
From: "sebastian" <comscape@gmail.com>
To: "'Gert Grammel'" <ggrammel@juniper.net>, "'Daniele Ceccarelli'" <daniele.ceccarelli@ericsson.com>, <teas@ietf.org>
Cc: <NetSlices@ietf.org>
References: <7AEB3D6833318045B4AE71C2C87E8E172B2CA60E@SJCEML702-CHM.china.huawei.com> <97EE7243-CB44-40AD-B02D-98E07D9C79F2@juniper.net> <DB3PR07MB0588EA2B00C389E762D8C59F91E60@DB3PR07MB0588.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD00786390993DBF8@SJCEML702-CHM.china.huawei.com> <15c1177e0c0.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <7AEB3D6833318045B4AE71C2C87E8E172B2CC48E@SJCEML702-CHM.china.huawei.com> <AM2PR07MB099483A94CDDD068D0F86CD5F0E50@AM2PR07MB0994.eurprd07.prod.outlook.com> <0C72C38E7EBC34499E8A9E7DD0078639099515B3@SJCEML702-CHM.china.huawei.com> <06C389826B926F48A557D5DB5A54C4ED29BB49B9@SZXEMI507-MBS.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD007863909953AFA@SJCEML702-CHM.china.huawei.com> <06C389826B926F48A557D5DB5A54C4ED29BB520C@SZXEMI507-MBS.china.huawei.com> <0C72C38E7EBC34499E8A9E7DD0078639099662D6@SJCEML702-CHM.china.huawei.com> <4B13E4DA-DB18-4454-AFC4-57A8B1264CE1@gmail.com> <0C72C38E7EBC34499E8A9E7DD00786390996673B@SJCEML702-CHM.china.huawei.com> <001501d2d7 70$f1a16180$d4e42480$@gmail.com> <AM2PR07MB09948AF604E3C7869296AEDCF0F30@AM2PR07MB0994.eurprd07.prod.outlook.com> <7625E93C-8E51-4B2F-B28C-FB2A5287FD99@juniper.net> <VI1PR07MB1005262C6FC0CC75EF9D3AA1F0F00@VI1PR07MB1005.eurprd07.prod.outlook.com> <AB42001E-4A0E-4019-A373-D46BAB1ECB78@juniper.net>
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Date: Tue, 30 May 2017 06:44:04 -0500
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Subject: Re: [Teas] [Netslices]    terminology discussion  network slicing
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Hello, Gert,

Good points.

There are various instantiations of a 'network slice' that are likely, =
based on a diverse array of usage scenarios.
These diverse instantiations of a 'network slice', with a corresponding =
allocation of the required logical or physical resources, should be =
allowed to suit different usage scenarios that may range from a =
'segment' to 'e2e' (end-to-end), in a 5G ecosystem.

Hence a generalized definition for the instantiation of a 'network =
slice' such as the one referred to below (3GPP) is reasonable:
    "A set of network functions and the resources for these network =
functions which are arranged and configured, forming a complete logical =
network to meet certain network characteristics."

Many thanks.
-Sebastian

-----Original Message-----
From: Netslices [mailto:netslices-bounces@ietf.org] On Behalf Of Gert =
Grammel
Sent: Tuesday, May 30, 2017 6:17 AM
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>; teas@ietf.org
Cc: NetSlices@ietf.org
Subject: Re: [Netslices] [Teas] terminology discussion network slicing

Hi Daniele,

See below for more details:

On 2017-05-30, 10:17, "Daniele Ceccarelli" =
<daniele.ceccarelli@ericsson.com> wrote:

    Ciao Gert,
   =20
    Please see in line
    Cheers
    Daniele =20
   =20
   =20
    -----Original Message-----
    From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Gert Grammel
    Sent: luned=C3=AC 29 maggio 2017 15:34
    To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>; =
sebastian.thalanany@ieee.org; 'Igor Bryskin' <Igor.Bryskin@huawei.com>; =
'Jeff Tantsura' <jefftant.ietf@gmail.com>; 'qiangli (D)' =
<qiangli3@huawei.com>; 'Leeyoung' <leeyoung@huawei.com>; teas@ietf.org
    Cc: NetSlices@ietf.org
    Subject: Re: [Teas] [Netslices] terminology discussion network =
slicing
   =20
    Daniele,
   =20
    Trying to summarize what you're saying: a Network slice is an =
overlay network with minimum service guarantees, including virtual =
network functions available in this overlay network. =20
    [>DC] why do you speak about an overlay network? If for example you =
have a site connected with a lambda to a data center and there you have =
a number of VNF, that's IMO a slice but there is no overlay. I'd say =
that there could be an overlay but that's not mandatory.
GGR> A Lambda travels through a WDM which is a Multiplexer (see =
discussion below). So a lambda is in my view an overlay, the multiplexed =
signal (OMS) being the underlay.   =20



    In your text I have issues with "dedicated to a given customer". =
Whether such construct is dedicated to one or shared among several legal =
customers shouldn't be of concern for the definition of a Network Slice.
    [>DC] Correct, it should be possible to have it dedicated or shared. =
We just need to make sure that both options are supported. =20
GGR>> So if it can either be dedicated or shared, why mentioning this at =
all? Is there anything else?   =20

    On similar terms, whether a resource (being a NF or transport =
capacity) is shared or not is a design choice rather than a definition. =
In particular, Multiplexer by definition share some sort of common =
capacity irrespective whether it is TDM, Packet, WDM or CDM. So, the =
nature of multiplexing technique shouldn't be a definition criteria for =
a Network Slice either.
   =20
    Another food for thought:
    - I would also add that a network slice may use it's own internal =
addressing scheme isolated from other slices. While this is optional, I =
would expect it to be used quite often.=20
    [>DC] agree. Ala VPN.

    - Why is it necessary to dedicate resources to a "Network Slice" at =
all? If e.g. a firewall NFV is in the DC and communicates over the =
Internet with a CPE (both belonging to a single owner) it would not =
fulfil the criteria of dedicated resource (Internet after all isn't =
dedicated), but it still looks pretty much like a "network slice".

    [>DC] Think of remote surgery...wouldn't you want every single part =
of the end to end network from the doctor's hands to the scalpel being =
totally dedicated? :) ...and in that case I don't think the packets =
would go through the internet
GGR>> There are a few issues here:
1)	this example looks a bit out-dated to me. There is only a one-to-one =
relationship between doctor and patient. This is what I would call a =
classical client-server model with protected resources. Ask for SONET =
leased line circuits if this is what a "slice" would mean. In defining =
what constitutes a slice you would also have to think about what =
constitutes a "doctor-slice" and what would be a "patient-slice"? =
(assuming responsible health care to avoid sarcastic interpretation)
2)	The question asked in my earlier email is whether the packets *must* =
go through a dedicated resource to call the thing "slice". In other =
words, if a thing that uses a non-dedicated "underlay" resource like the =
Internet can be called "slice" too? It is puzzling to me why the =
definition of "slice" would need any dedicated resource at all. It is in =
the end an implementers choice how much dedicated equipment is needed to =
provide a service. So why a slice has to use "dedicated resources", and =
what kind of "dedication" is meant? (See our earlier discussion about =
WDM)? Take your mobile as an example. It supports telephony and email. =
Those are different apps, potentially running in different VMs.=20
a.	Is your phone a shared device or a dedicated one?=20
b.	does using different apps means to use a different slices?
c.	If you write emails to different recipients, would that qualify your =
email to be "dedicated", hence a different slice, just because they are =
in different address books?
d.	If you switch from 3G to VoIP, does it mean to switch the slice, even =
if it is the same app?

GGR> My thinking is that the definition of "slice" needs to make =
practical sense. The 3GPP definition is probably a bit too high level =
but makes sense to me:
    "A set of network functions and the resources for these network =
functions which are arranged and configured, forming a complete logical =
network to meet certain network characteristics."

    Gert=20
   =20
    On 2017-05-29, 11:01, "Teas on behalf of Daniele Ceccarelli" =
<teas-bounces@ietf.org on behalf of daniele.ceccarelli@ericsson.com> =
wrote:
   =20
        Hi Sebastian, Jeff, Igor, all,
       =20
        I understand Jeff and Igor agree on the fact that a network =
slice does not necessarily include resources in the radio segment/domain =
and in the packet core one.
        An example could be an enterprise with dedicated resources in =
the "transport" segment (e.g. VPN, VN and TE-tunnels) that connect the =
customer premises to a data center where a number of VNF (e.g. firewall, =
nat, dpi) is dedicated to that given customer.
        My personal opinion is that this should be considered a network =
slice.
       =20
        The definition of network slice should allow for this scenario =
and mostly should clearly state whether this is included or not.=20
       =20
        Sebastian, I don't understand if your statement:=20
        " The management and orchestration of resources should be =
capable of instantiating a 'network slice' with an e2e (end-to-end) =
scope, where the scope could be between two devices, connected across =
intervening radio networks and core networks that may belong to the same =
or different administrative domains."
        implies that there must be a radio and a core segment in order =
to have a slice.
       =20
        BR
        Daniele =20
       =20
       =20
        -----Original Message-----
        From: sebastian [mailto:comscape@gmail.com]=20
        Sent: domenica 28 maggio 2017 07:12
        To: 'Igor Bryskin' <Igor.Bryskin@huawei.com>; 'Jeff Tantsura' =
<jefftant.ietf@gmail.com>; 'qiangli (D)' <qiangli3@huawei.com>; Daniele =
Ceccarelli <daniele.ceccarelli@ericsson.com>; 'Leeyoung' =
<leeyoung@huawei.com>; teas@ietf.org
        Cc: NetSlices@ietf.org
        Subject: RE: [Netslices] [Teas] terminology discussion network =
slicing
       =20
        Hello, Jeff,
       =20
        Agree with your view that the scope (core and/or radio layer) of =
a 'network slice' could vary depending on the triggers for instantiating =
the 'network slice'.
       =20
        On the other hand the instantiation of a 'network slice' may =
also be e2e (end-to-end), such as in device roaming scenarios, or in the =
case of vertical services that span different service providers.
       =20
        The span of a 'network slice' is only limited by the =
availability of resources and appropriate policies (e.g. SLAs), =
independent of whether those resources are in the core network layer or =
in the radio network layer.
       =20
        The management and orchestration of resources should be capable =
of instantiating a 'network slice' with an e2e (end-to-end) scope, where =
the scope could be between two devices, connected across intervening =
radio networks and core networks that may belong to the same or =
different administrative domains.
       =20
        Many thanks.
        -Sebastian
       =20
       =20
        -----Original Message-----
        From: Netslices [mailto:netslices-bounces@ietf.org] On Behalf Of =
Igor Bryskin
        Sent: Wednesday, May 24, 2017 7:56 AM
        To: Jeff Tantsura <jefftant.ietf@gmail.com>; qiangli (D) =
<qiangli3@huawei.com>; Daniele Ceccarelli =
<daniele.ceccarelli@ericsson.com>; Leeyoung <leeyoung@huawei.com>; =
teas@ietf.org
        Cc: NetSlices@ietf.org
        Subject: Re: [Netslices] [Teas] terminology discussion network =
slicing
       =20
        Thanks Jeff,
       =20
        I am glad we are in sync.
       =20
        Igor
       =20
        -----Original Message-----
        From: Jeff Tantsura [mailto:jefftant.ietf@gmail.com]=20
        Sent: Wednesday, May 24, 2017 8:45 AM
        To: Igor Bryskin; qiangli (D); Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
        Cc: NetSlices@ietf.org
        Subject: Re: [Teas] terminology discussion network slicing
       =20
        +1 Igor
       =20
        From transport side (L0-L3) we need to expose set of =
API=E2=80=99s that would allow to request a set of resources (a slice) =
either virtualized of physical that meet the constrains as requested by =
the business logic. Radio, while would definitely be one of most =
important use cases, would not be exclusively for radio use only. Any =
network management/ orchestration layer ideally should be able to use =
same set of API=E2=80=99s to request an e2e service.
       =20
        Cheers,
        Jeff
        =20
       =20
        On 5/24/17, 05:26, "Teas on behalf of Igor Bryskin" =
<teas-bounces@ietf.org on behalf of Igor.Bryskin@huawei.com> wrote:
       =20
            Hi Cristina,
           =20
            I didn=E2=80=99t say that ns has nothing to do with radio. I =
said that ns *may* have nothing to do with radio, i.e. may =
support/enable network architectures that do not involve radio =
necessarily.
           =20
            Igor
           =20
            -----Original Message-----
            From: qiangli (D)=20
            Sent: Wednesday, May 24, 2017 5:05 AM
            To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
            Cc: NetSlices@ietf.org
            Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion =
network slicing
           =20
            Hi Igor,
           =20
            I share the same opinion on 5G and network slicing, but =
can't see the relation between this opinion and your conclusion that ns =
has nothing to do with radio.
           =20
            Best regards,
           =20
            Cristina QIANG
           =20
           =20
            -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
            =E5=8F=91=E4=BB=B6=E4=BA=BA: Igor Bryskin=20
            =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: =
2017=E5=B9=B45=E6=9C=8820=E6=97=A5 23:50
            =E6=94=B6=E4=BB=B6=E4=BA=BA: qiangli (D); Daniele =
Ceccarelli; Leeyoung; teas@ietf.org
            =E6=8A=84=E9=80=81: NetSlices@ietf.org
            =E4=B8=BB=E9=A2=98: RE: [Teas] terminology discussion =
network slicing
           =20
            Hi Cristina,
           =20
            People whose opinion I respect very much told me that even =
the 3GPP network slicing definition and effort is not 5G specific.  =
Network slicing is viewed as an important capability of 5G, but it could =
serve other architectures.
           =20
            Cheers,
            Igor
           =20
            -----Original Message-----
            From: qiangli (D)
            Sent: Saturday, May 20, 2017 5:27 AM
            To: Igor Bryskin; Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
            Cc: NetSlices@ietf.org
            Subject: =E7=AD=94=E5=A4=8D: [Teas] terminology discussion =
network slicing
           =20
            Hi Igor,
           =20
            I have different opinion on " Network slicing may have =
nothing to do with radio".
            IMO, network slicing should be a resource-oriented =
management mode. The end-to-end network slice (from UE to server/other =
UE) of course involves the radio resource, usually we use the word =
"RAN-radio access network" rather than simply say "radio". The Frequency =
band, time, code, equipment/site, and software are a number of =
dimensions, in which RAN resources can be isolated [Online available =
http://www.huawei.com/en/industry-insights/mbb-2020/trends-insights/5g-se=
rvice-guaranteed-network-slicing-whitepaper].
           =20
            Best regards,
           =20
            Qiang, Li (Cristina)
            NetLab, Huawei
           =20
           =20
            -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
            =E5=8F=91=E4=BB=B6=E4=BA=BA: Netslices =
[mailto:netslices-bounces@ietf.org] =E4=BB=A3=E8=A1=A8 Igor Bryskin
            =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: =
2017=E5=B9=B45=E6=9C=8820=E6=97=A5 6:12
            =E6=94=B6=E4=BB=B6=E4=BA=BA: Daniele Ceccarelli; Leeyoung; =
teas@ietf.org
            =E6=8A=84=E9=80=81: NetSlices@ietf.org
            =E4=B8=BB=E9=A2=98: Re: [Netslices] [Teas] terminology =
discussion network slicing
           =20
            Hi Danielle,
           =20
            Network slicing may have nothing to do with radio. 5g is =
just a big reason as to why the interest/focus is back on network =
slicing, which is a very old concept. I don't think that anyone is =
arguing with what you wrote. The questions are:
            a) how do you manage these "pieces"?
            b) what policy infrastructure should be put in place?
            c) how do you ensure their separation or, conversely, the =
degree of resource sharing?
            d) why exactly legacy VPNs are not good enough?
           =20
            Cheers,
            Igor
           =20
           =20
             =20
           =20
            -----Original Message-----
            From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of =
Daniele Ceccarelli
            Sent: Friday, May 19, 2017 4:19 PM
            To: Leeyoung; teas@ietf.org
            Cc: NetSlices@ietf.org
            Subject: Re: [Teas] terminology discussion network slicing
           =20
            Hi Young, all,
           =20
            i agree with your conclusion but would like to clarify one =
thing that IMO got lost in the discussion since its beginning.
           =20
            The 3GPP definition says:=20
            "A set of network functions and the resources for these =
network functions which are arranged and configured, forming a complete =
logical network to meet certain network characteristics."
           =20
            This means that a network slice IS NOT a VPN or a TE Tunnel.
            A network slice is "something" (netslices and 3GPP will =
define what this something is) that is composed by a "piece" in the =
RADIO domain, a "piece" in the CLOUD domain, a "piece" in the TRANSPORT =
domain, plus possible other pieces in possible other domains.
           =20
            The word "transport" can be misleading here since one could =
think of transport technologies (e.g. WDM, OTN), but what I'm referring =
to as TRANSPORT DOMAIN is that part of the network that is used to carry =
a packet between two other domains.=20
            In order to have a slice, that portion of the transport =
domain needs to be engineered, hence it is all about building a TE =
entity and stitching services to such entity. This is what is in the =
ACTN scope.
           =20
            My very personal opinion is that whatever belongs to the =
transport domain belongs to IETF (and is already being addressed), while =
the rest is a dangerous duplication of concepts standardized is other =
SDOs...but this is another discussion that doesn't fit here.
           =20
            BR
            Daniele =20
           =20
           =20
            -----Original Message-----
            From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of =
Leeyoung
            Sent: venerd=C3=AC 19 maggio 2017 15:15
            To: teas@ietf.org
            Cc: NetSlices@ietf.org
            Subject: Re: [Teas] terminology discussion network slicing
           =20
            Hi,
           =20
            Lou is right. There is a dedicated email list for the =
discussion of "network slicing (cc'ed)" and the discussion about what =
that term means should be held on that list.=20
           =20
            We have used similar language in =
draft-ietf-teas-actn-framework right from the
            00 version. Recent changes have been an attempt to clarify =
what the terminology means in the context of ACTN. We are not trying to =
define or redefine "network slicing" in the ACTN document, but are =
trying to make it clear how ACTN works.
           =20
            Therefore I propose the following resolution:
           =20
            1. All discussion of the general applicability and =
definition of "network slicing" is held on the netslices mailing list.
           =20
            2. We adopt Adrian's suggestion to explain that the scope of =
the definition of the terms used in the ACTN framework is limited to =
ACTN. That means effectively that if there are components of a wider =
definition of network slicing that are not supported by ACTN, that will =
be OK.=20
           =20
            I propose to post an updated version in the next few days =
and I believe that will allow this draft to move ahead without being =
blocked by the discussion in netslices. Once the IETF has a stable =
definition of network slicing we can return and see how ACTN is =
applicable to that definition an whether more wok is need (in a separate =
draft).
           =20
            Thanks,
            Young
           =20
            -----Original Message-----
            From: Lou Berger [mailto:lberger@labn.net]
            Sent: Tuesday, May 16, 2017 8:35 AM
            To: Igor Bryskin <Igor.Bryskin@huawei.com>; Belotti, Sergio =
(Nokia - IT/Vimercate) <sergio.belotti@nokia.com>; Gert Grammel =
<ggrammel@juniper.net>; Leeyoung <leeyoung@huawei.com>; teas@ietf.org; =
adrian@olddog.co.uk
            Subject: Re: [Teas] terminology discussion network slicing
           =20
            Perhaps it's time to bring the discussion to the slicing =
list and report back their reaponse....
           =20
            Lou
           =20
           =20
            On May 16, 2017 8:31:19 AM Igor Bryskin =
<Igor.Bryskin@huawei.com> wrote:
           =20
            > Hi Sergio,
            >
            > I would also like to hear more from network slicing =
experts.
            >
            > My understanding is that the difference in the separation =
(in terms of=20
            > control and data planes, security, etc.). For example, =
traditional BGP=20
            > based L3 VPNs (that use provider's common control plane =
for their=20
            > management and IP/MPLS TE tunnels to inter-connect their =
PEs) will=20
            > probably not be able guarantee for the clients msec range =
connectivity=20
            > setup times required by 5g, while provided by the same =
provider fully=20
            > separated/genuinely private IP/MPLS networks (that do not =
share=20
            > IP/MPLS control plane and infrastructure, whose network =
topology is=20
            > supported by separate L0/L1 connections) hopefully will be =
able to=20
            > provide such guarantees. Therefore, I define layer network =
slices as=20
            > dynamically managed fully isolated in control and data =
planes private=20
            > TE layer networks, which may share one or more underlying =
server layer networks.
            >
            >
            > Cheers,
            > Igor
            >
            >
            >
            >
            > -----Original Message-----
            > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of =
Belotti, Sergio=20
            > (Nokia - IT/Vimercate)
            > Sent: Tuesday, May 16, 2017 6:08 AM
            > To: Gert Grammel; Leeyoung; teas@ietf.org; =
adrian@olddog.co.uk
            > Subject: Re: [Teas] terminology discussion network slicing
            >
            > Hi Gert,
            >
            > "Thinking a bit about it I came to the point where "VPN" =
and "network=20
            > slices" seem to describe the same entity or at least a =
"network slice"
            > being a VPN of VPNs?"
            >
            > I share completely your conclusion , I'd like if someone =
can explain=20
            > if a difference really exists .
            >
            > Thanks
            > Sergio
            >
            >
            > -----Original Message-----
            > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of =
Gert Grammel
            > Sent: Monday, May 15, 2017 7:02 PM
            > To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org; =
adrian@olddog.co.uk
            > Subject: Re: [Teas] terminology discussion network slicing
            >
            > Leeyoung,
            >
            > Thank you for taking a stab on this. Usually when getting =
to a=20
            > definition, I try to establish what kind of existing =
constructs would=20
            > fall under the definition. If my understanding is correct, =
the=20
            > following list of constructs would all satisfy the =
definition somehow.
            > - A TDM network with a p2p TDM connection
            > - A PSC capable network carrying a p2p circuit (such as =
EPL/EVPL)
            > - An MPLS LSP using a traffic engineered IP network
            > - A L2VPN using a traffic engineered MPLS network
            > - A L3VPN using a traffic engineered IP network
            > - A TCP connection using a traffic engineered IP network
            > - Different QoS classes in an IP network
            >
            > Thinking a bit about it I came to the point where "VPN" =
and "network=20
            > slices" seem to describe the same entity or at least a =
"network slice"
            > being a VPN of VPNs?
            >
            > Gert
            >
            >
            > On 2017-05-17, 16:44, "Teas on behalf of Leeyoung"=20
            > <teas-bounces@ietf.org on behalf of leeyoung@huawei.com> =
wrote:
            >
            >     Hi Adrian and others,
            >
            >     We'd like cross check with you on some terminology we =
introduced newly. Any=20
            >     comment on these terms will be greatly appreciated.
            >
            >     We introduced 'network slicing' as follows:
            >
            >             Network slicing is a collection of resources
            >             that are used to establish logically dedicated =
virtual networks
            >             over TE networks. It allows a network provider =
to provide
            >             dedicated virtual networks for =
application/customer over a
            >             common network infrastructure. The logically =
dedicated
            >             resources are a part of the larger common =
network
            >             infrastructures that are shared among various =
network slice
            >             instances which are the end-to-end realization =
of network
            >             slicing, consisting of the combination of =
physically or
            >             logically dedicated resources.
            >
            >
            >     Thanks.
            >     Young and Daniele
            >     -----Original Message-----
            >     From: Leeyoung
            >     Sent: Friday, May 05, 2017 1:41 PM
            >     To: teas@ietf.org
            >     Subject: RE: [Teas] I-D Action:=20
            > draft-ietf-teas-actn-framework-05.txt
            >
            >     Hi,
            >
            >     This update is intended to incorporate the comments =
from the last WG=20
            >     meeting and any pending issues. We also have taken the =
global editorial=20
            >     changes to make it consistent through the document. =
Major changes are:
            >
            >     - Inclusion of "network slicing" definition from ACTN =
perspective (in the=20
            >     terminology section)
            >     - Added virtual network service (VNS) section (Section =
3) to define types=20
            >     of VNS.
            >     - Incorporated "orchestration" (service/network) =
mapping to ACTN=20
            >     architecture (See Section 5.2)
            >     - Created a new section 6 (Topology Abstraction =
Method) where we imported=20
            >     some texts from ACTN abstraction method =20
            >     =
https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
            >     - Added Appendices A & B to discuss example deployment =
scenarios such as=20
            >     example of MDSC and PNC functions integrated in =
Service/Network=20
            >     Orchestrator (Appendix A) and example of IP + Optical =
network with L3VPN=20
            >     service (Appendix B)
            >
            >     In regard to ACTN abstraction method draft, we are =
going to keep it as a=20
            >     separate draft and use this document to elaborate =
other aspects not=20
            >     imported to the framework document.
            >
            >     The following diff pointer will help you see the =
changes with this revision:
            >    =20
            > =
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
            >
            >     The co-authors believe that the document is ready for =
WG LC. Any=20
            >     changes/comments will be appreciated.
            >
            >     Thanks & Best regards,
            >     Young & Daniele (on behalf of other =
co-authors/contributors)
            >
            >     -----Original Message-----
            >     From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of =
internet-drafts@ietf.org
            >     Sent: Friday, May 05, 2017 10:41 AM
            >     To: i-d-announce@ietf.org
            >     Cc: teas@ietf.org
            >     Subject: [Teas] I-D Action: =
draft-ietf-teas-actn-framework-05.txt
            >
            >
            >     A New Internet-Draft is available from the on-line =
Internet-Drafts directories.
            >     This draft is a work item of the Traffic Engineering =
Architecture and=20
            >     Signaling of the IETF.
            >
            >             Title           : Framework for Abstraction =
and Control of Traffic=20
            >             Engineered Networks
            >             Authors         : Daniele Ceccarelli
            >                               Young Lee
            >     	Filename        : =
draft-ietf-teas-actn-framework-05.txt
            >     	Pages           : 41
            >     	Date            : 2017-05-05
            >
            >     Abstract:
            >        Traffic Engineered networks have a variety of =
mechanisms to
            >        facilitate the separation of the data plane and =
control plane. They
            >        also have a range of management and provisioning =
protocols to
            >        configure and activate network resources.  These =
mechanisms
            >        represent key technologies for enabling flexible =
and dynamic
            >        networking.
            >
            >        Abstraction of network resources is a technique =
that can be applied
            >        to a single network domain or across multiple =
domains to create a
            >        single virtualized network that is under the =
control of a network
            >        operator or the customer of the operator that =
actually owns
            >        the network resources.
            >
            >        This document provides a framework for Abstraction =
and Control of
            >        Traffic Engineered Networks (ACTN).
            >
            >
            >
            >     The IETF datatracker status page for this draft is:
            >     =
https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
            >
            >     There are also htmlized versions available at:
            >     =
https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
            >    =20
            > =
https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
            > 5
            >
            >     A diff from the previous version is available at:
            >    =20
            > =
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
            >
            >
            >     Please note that it may take a couple of minutes from =
the time of=20
            >     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/
            >
            >     _______________________________________________
            >     Teas mailing list
            >     Teas@ietf.org
            >     https://www.ietf.org/mailman/listinfo/teas
            >
            >     _______________________________________________
            >     Teas mailing list
            >     Teas@ietf.org
            >     https://www.ietf.org/mailman/listinfo/teas
            >
            >
            > _______________________________________________
            > Teas mailing list
            > Teas@ietf.org
            > https://www.ietf.org/mailman/listinfo/teas
            >
            > _______________________________________________
            > Teas mailing list
            > Teas@ietf.org
            > https://www.ietf.org/mailman/listinfo/teas
            >
            > _______________________________________________
            > Teas mailing list
            > Teas@ietf.org
            > https://www.ietf.org/mailman/listinfo/teas
            >
           =20
           =20
            _______________________________________________
            Teas mailing list
            Teas@ietf.org
            https://www.ietf.org/mailman/listinfo/teas
           =20
            _______________________________________________
            Teas mailing list
            Teas@ietf.org
            https://www.ietf.org/mailman/listinfo/teas
           =20
            _______________________________________________
            Netslices mailing list
            Netslices@ietf.org
            https://www.ietf.org/mailman/listinfo/netslices
            _______________________________________________
            Teas mailing list
            Teas@ietf.org
            https://www.ietf.org/mailman/listinfo/teas
           =20
       =20
       =20
        _______________________________________________
        Netslices mailing list
        Netslices@ietf.org
        https://www.ietf.org/mailman/listinfo/netslices
       =20
        _______________________________________________
        Teas mailing list
        Teas@ietf.org
        https://www.ietf.org/mailman/listinfo/teas
       =20
   =20
    _______________________________________________
    Teas mailing list
    Teas@ietf.org
    https://www.ietf.org/mailman/listinfo/teas
   =20

_______________________________________________
Netslices mailing list
Netslices@ietf.org
https://www.ietf.org/mailman/listinfo/netslices


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From: Leeyoung <leeyoung@huawei.com>
To: Lou Berger <lberger@labn.net>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Teas] Follow up with Lou's comments on ACTN
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Subject: Re: [Teas] Follow up with Lou's comments on ACTN
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Hi Lou,

Thanks for your comments. Please see inline for our response.=20

Thanks.
Young

-----Original Message-----
From: Lou Berger [mailto:lberger@labn.net]=20
Sent: Tuesday, May 23, 2017 1:24 PM
To: Leeyoung <leeyoung@huawei.com>; teas@ietf.org
Subject: Re: [Teas] Follow up with Lou's comments on ACTN

Young and Daniel,

Thanks for the response.


On 5/15/2017 11:21 AM, Leeyoung wrote:
>
> Hi Lou,
>
> =20
>
> We'd like to follow-up with you on some of the comments you made=20
> during Chicago TEAS WG meeting. You commented during ACTN framework &=20
> requirement presentation the following:
>
> =20
>
> *        /Lou Berger: I see this as multi-domain orchestration. I am
> proposing to take the text from the mapping draft into the framework=20
> draft to help people understanding the ACTN terminology. We need to=20
> help people understand how the terms in this document relate to the=20
> terms they already understand. ///
>
> =20
>
> Our response: in the revision we have created section 5 where we took=20
> some text from the mapping draft
> (https://tools.ietf.org/html/draft-zhang-teas-actn-yang-04)
>

The mapping draft I was referring to was the mapping draft on the agenda at=
 the meeting:
https://tools.ietf.org/html/draft-lee-teas-te-service-mapping-yang

YOUNG>> OK. Thanks for pointing this out. We will review the draft (the rig=
ht one you pointed out) and see if there is any helpful text/terminology th=
at can be exported to the framework. But it looks like, given your next com=
ment, the updated framework draft has already accommodated your comment. Le=
t us know if this is correct.=20

> and drew a figure that shows the relationship between ACTN terminology=20
> and service/network orchestration. Please see Section 5.2 and Appendix=20
> A (for an example)
> https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>
> =20
>

I think the changes are generally helpful -- of course we still detailed co=
mments from the WG.

YOUNG>> Great.=20

> On the ACTN abstraction model presentation
> (https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01) , you=20
> made a comment:
>
> *        /Lou Berger: after you've moved text to the framework
> document, will anything be left in this one?
> /
>
Right, this was/following up on Danielle's comment during his presentation =
that parts/much of the document could be moved to the framework.

/
>
> /Young Lee: there's still stuff that is useful in here.
> Lou: if you aren't using the whole of this document to the framework=20
> document, it'd be good if you sent a mail to the list to say which=20
> bits are moving. A complete merge is also OK./
>
> =20
>
> Our response: We created a new section 6 (Topology Abstraction Method)=20
> in the ACTN framework where we imported some key texts from the ACTN=20
> abstraction method  draft:
> https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01.  Our=20
> plan is to keep some details (such as motivation, specific=20
> requirements, etc) on the ACTN abstraction methods draft.
>
So if you eliminate the text that is now redundant with other documents, wh=
at's new in this draft?
Section 1 is intro, sections 2 and 3 are in other documents -- so this leav=
es just section 4 right?  Is there another existing WG document where this =
1.5 pages of text can go?

YOUNG>> Our intention was to export terminology (white/grey/black topology)=
 to the framework while keeping the bulk of the content in draft-lee-teas-a=
ctn-abstraction. What will remain in this draft is: Introduction, Section 3=
 (factors), Section 3.4 (how to build grey topology) and Section 4 (Protoco=
l/Data Model Requirements). We still think that we have enough useful text =
in this draft.=20

Thanks,
Lou

> =20
>
> Please let us know if our response satisfies you so that we can close=20
> these two pending issues; and if not, please give us further comments.
>
> =20
>
> Thanks.
>
> Young and Daniele
>
> -----Original Message-----
>
> From: Leeyoung
>
> Sent: Friday, May 05, 2017 1:41 PM
>
> To: teas@ietf.org <mailto:teas@ietf.org>
>
> Subject: RE: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
> =20
>
> Hi,
>
> =20
>
> This update is intended to incorporate the comments from the last WG=20
> meeting and any pending issues. We also have taken the global=20
> editorial changes to make it consistent through the document. Major=20
> changes are:
>
> =20
>
> - Inclusion of "network slicing" definition from ACTN perspective (in=20
> the terminology section)
>
> - Added virtual network service (VNS) section (Section 3) to define=20
> types of VNS.
>
> - Incorporated "orchestration" (service/network) mapping to ACTN=20
> architecture (See Section 5.2)
>
> - Created a new section 6 (Topology Abstraction Method) where we=20
> imported some texts from ACTN abstraction method
> https://tools.ietf.org/html/draft-lee-teas-actn-abstraction-01
>
> - Added Appendices A & B to discuss example deployment scenarios such=20
> as example of MDSC and PNC functions integrated in Service/Network=20
> Orchestrator (Appendix A) and example of IP + Optical network with=20
> L3VPN service (Appendix B)
>
> =20
>
> In regard to ACTN abstraction method draft, we are going to keep it as=20
> a separate draft and use this document to elaborate other aspects not=20
> imported to the framework document.
>
> =20
>
> The following diff pointer will help you see the changes with this
> revision:
>
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
> =20
>
> The co-authors believe that the document is ready for WG LC. Any=20
> changes/comments will be appreciated.
>
> =20
>
> Thanks & Best regards,
>
> Young & Daniele (on behalf of other co-authors/contributors)
>
> =20
>
> -----Original Message-----
>
> From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of=20
> internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>
>
> Sent: Friday, May 05, 2017 10:41 AM
>
> To: i-d-announce@ietf.org <mailto:i-d-announce@ietf.org>
>
> Cc: teas@ietf.org <mailto:teas@ietf.org>
>
> Subject: [Teas] I-D Action: draft-ietf-teas-actn-framework-05.txt
>
> =20
>
> =20
>
> A New Internet-Draft is available from the on-line Internet-Drafts=20
> directories.
>
> This draft is a work item of the Traffic Engineering Architecture and=20
> Signaling of the IETF.
>
> =20
>
>         Title           : Framework for Abstraction and Control of
> Traffic Engineered Networks
>
>         Authors         : Daniele Ceccarelli
>
>                           Young Lee
>
>                Filename        : draft-ietf-teas-actn-framework-05.txt
>
>                Pages           : 41
>
>                Date            : 2017-05-05
>
> =20
>
> Abstract:
>
>    Traffic Engineered networks have a variety of mechanisms to
>
>    facilitate the separation of the data plane and control plane. They
>
>    also have a range of management and provisioning protocols to
>
>    configure and activate network resources.  These mechanisms
>
>    represent key technologies for enabling flexible and dynamic
>
>    networking.
>
> =20
>
>    Abstraction of network resources is a technique that can be applied
>
>    to a single network domain or across multiple domains to create a
>
>    single virtualized network that is under the control of a network
>
>    operator or the customer of the operator that actually owns
>
>    the network resources.
>
> =20
>
>    This document provides a framework for Abstraction and Control of
>
>    Traffic Engineered Networks (ACTN).
>
> =20
>
> =20
>
> =20
>
> The IETF datatracker status page for this draft is:
>
> https://datatracker.ietf.org/doc/draft-ietf-teas-actn-framework/
>
> =20
>
> There are also htmlized versions available at:
>
> https://tools.ietf.org/html/draft-ietf-teas-actn-framework-05
>
> https://datatracker.ietf.org/doc/html/draft-ietf-teas-actn-framework-0
> 5
>
> =20
>
> A diff from the previous version is available at:
>
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-teas-actn-framework-05
>
> =20
>
> =20
>
> Please note that it may take a couple of minutes from the time of=20
> submission until the htmlized version and diff are available at=20
> tools.ietf.org.
>
> =20
>
> Internet-Drafts are also available by anonymous FTP at:
>
> ftp://ftp.ietf.org/internet-drafts/
>
> =20
>
> _______________________________________________
>
> Teas mailing list
>
> Teas@ietf.org <mailto:Teas@ietf.org>
>
> https://www.ietf.org/mailman/listinfo/teas
>
>
>
> _______________________________________________
> Teas mailing list
> Teas@ietf.org
> https://www.ietf.org/mailman/listinfo/teas


From nobody Wed May 31 09:20:36 2017
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From: Vishnu Pavan Beeram <vishnupavan@gmail.com>
Date: Wed, 31 May 2017 12:20:27 -0400
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Subject: [Teas] WG Last Call on draft-ietf-teas-pce-central-control
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--94eb2c19144658489a0550d44cef
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All,
This starts a two week working group last call on
draft-ietf-teas-pce-central-control-02.

The working group last call ends on Wednesday, June 14th. Please
send your comments to the TEAS mailing list.

As is always the case, positive comments, e.g., "I've reviewed this
document and believe it is ready for publication", are welcome!
This is useful and important, even from authors.

Thanks,
Pavan and Lou

--94eb2c19144658489a0550d44cef
Content-Type: text/html; charset="UTF-8"

<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>All,<br>
This starts a two week working group <span>last</span> <span>call</span> on<br>draft-ietf-teas-pce-central-control-02.<br>
<br>
The working group <span>last</span> <span>call</span> ends on Wednesday<span><span>, June 14th</span></span>. Please<br>
send your comments to the <span class="gmail-m_-5388303991150828384gmail-m_-8246526176241934706gmail-m_6348093003541813748gmail-il">TEAS</span> mailing list.<br>
<br>
As is always the case, positive comments, e.g., &quot;I&#39;ve reviewed this<br>
document and believe it is ready for publication&quot;, are welcome!<br>
This is useful and important, even from authors.<br></div>
<br>
Thanks,<br>
<span>Pavan and Lou</span></div></div></div></div></div>

--94eb2c19144658489a0550d44cef--

