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From: "Adrian Farrel" <adrian@olddog.co.uk>
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Date: Mon, 4 Jun 2018 12:15:24 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/l2sm/S-fbUu8x1Rhoq_tFDTFHoMxmIDA>
Subject: [L2sm] Proposed Liaison to 3GPP SA5
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Hi WG,

3GPP SA5 is working on Management and orchestration of 5G networks and =
network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_5G) =
and is considering various existing data models as references. 3GPP =
Release-15 is targeting freeze date of September 2018 and plan two =
meetings in June and August respectively to meet the deadline of 3GPP =
Release-15.
=20
They seem to have been soliciting input from various SDOs (most recently =
the BBF) but have not approached the IETF. This may be because they =
already know what we are working on, or it may be because they didn't =
realise.

So Qin and I propose to send the following liaison statement to them for =
information. Since the next meeting is on June 26th, we think the =
deadline for sending this is should be June 15th.

Any comments or edits would be welcomed.

Thanks for any input or advice.

Qin and Adrian

=3D=3D=3D Draft LS =3D=3D=3D

To: 3GPP SA5
Cc: Thomas Tovinger, 3GPP SA5 Chairman
       Ignas Bagdonas and Warren Kumari, IETF Operations and Management =
ADs
From: Qin Wu and Adrian Farrel, IETF L2SM working group co-chairs
For: Information

We note that 3GPP SA5 is working on Management and orchestration of 5G =
networks and network slicing =
(http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_5G) and is =
considering various existing data models as references. 3GPP Release-15 =
is targeting freeze date of September 2018 and plan two meetings in June =
and August respectively to meet the deadline of 3GPP Release-15. We =
would like to take this opportunity to inform you of the status of =
several pieces of work in the IETF that satisfy the transport support =
for network slicing on IP services , L2 service, and TE service.

RFC 8299 provides A YANG Data Model for L3VPN Service Delivery.
This document is a published RFC with IETF consensus.
https://www.rfc-editor.org/rfc/rfc8299.txt
=20
draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model for L2VPN
Service Delivery.
This document has achieved working group and IETF consensus, and is =
currently completing approval for publication as an RFC.
https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt
=20
RFC 8309 sets the previous two documents in context by explaining what =
the IETF means by the term "Service Model"
https://www.rfc-editor.org/rfc/rfc8309.txt
=20
You may also be interested in work in the TEAS working group on =
Abstraction and Control of Traffic Engineered networks (ACTN).
In particular, there is YANG model for Virtual Network operation in an =
ACTN context that may be of specific interest to you:
https://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt
=20
Wishing you all success in your work,
Qin Wu and Adrian Farrel
Co-chairs, IETF L2SM working group
=3D=3D=3DEND=3D=3D=3D


From nobody Tue Jun  5 08:01:13 2018
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From: Fioccola Giuseppe <giuseppe.fioccola@telecomitalia.it>
To: "adrian@olddog.co.uk" <adrian@olddog.co.uk>, "l2sm@ietf.org" <l2sm@ietf.org>
Thread-Topic: [L2sm] Proposed Liaison to 3GPP SA5
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Archived-At: <https://mailarchive.ietf.org/arch/msg/l2sm/QEQEUTa-3Ow3mFFL91TpKC7bjS0>
Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
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Hi Adrian, All,
I absolutely agree with the proposed Liaison to 3GPP SA5. I would also sugge=
st to mention RFC8199 on YANG Module Classification.

Best Regards,

Giuseppe

-----Original Message-----
From: L2sm [mailto:l2sm-bounces@ietf.org] On Behalf Of Adrian Farrel
Sent: luned=EC 4 giugno 2018 13:15
To: l2sm@ietf.org
Subject: [L2sm] Proposed Liaison to 3GPP SA5

Hi WG,

3GPP SA5 is working on Management and orchestration of 5G networks and netwo=
rk slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_5G) and is co=
nsidering various existing data models as references. 3GPP Release-15 is tar=
geting freeze date of September 2018 and plan two meetings in June and Augus=
t respectively to meet the deadline of 3GPP Release-15.
 
They seem to have been soliciting input from various SDOs (most recently the=
 BBF) but have not approached the IETF. This may be because they already kno=
w what we are working on, or it may be because they didn't realise.

So Qin and I propose to send the following liaison statement to them for inf=
ormation. Since the next meeting is on June 26th, we think the deadline for=
 sending this is should be June 15th.

Any comments or edits would be welcomed.

Thanks for any input or advice.

Qin and Adrian

=3D=3D=3D Draft LS =3D=3D=3D

To: 3GPP SA5
Cc: Thomas Tovinger, 3GPP SA5 Chairman
       Ignas Bagdonas and Warren Kumari, IETF Operations and Management ADs
From: Qin Wu and Adrian Farrel, IETF L2SM working group co-chairs
For: Information

We note that 3GPP SA5 is working on Management and orchestration of 5G netwo=
rks and network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_=
5G) and is considering various existing data models as references. 3GPP Rele=
ase-15 is targeting freeze date of September 2018 and plan two meetings in J=
une and August respectively to meet the deadline of 3GPP Release-15. We woul=
d like to take this opportunity to inform you of the status of several piece=
s of work in the IETF that satisfy the transport support for network slicing=
 on IP services , L2 service, and TE service.

RFC 8299 provides A YANG Data Model for L3VPN Service Delivery.
This document is a published RFC with IETF consensus.
https://www.rfc-editor.org/rfc/rfc8299.txt
 
draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model for L2VPN Ser=
vice Delivery.
This document has achieved working group and IETF consensus, and is currentl=
y completing approval for publication as an RFC.
https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt
 
RFC 8309 sets the previous two documents in context by explaining what the I=
ETF means by the term "Service Model"
https://www.rfc-editor.org/rfc/rfc8309.txt
 
You may also be interested in work in the TEAS working group on Abstraction=
 and Control of Traffic Engineered networks (ACTN).
In particular, there is YANG model for Virtual Network operation in an ACTN=
 context that may be of specific interest to you:
https://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt
 
Wishing you all success in your work,
Qin Wu and Adrian Farrel
Co-chairs, IETF L2SM working group
=3D=3D=3DEND=3D=3D=3D

_______________________________________________
L2sm mailing list
L2sm@ietf.org
https://www.ietf.org/mailman/listinfo/l2sm

Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle pers=
one indicate. La diffusione, copia o qualsiasi altra azione derivante dalla=
 conoscenza di queste informazioni sono rigorosamente vietate. Qualora abbia=
te ricevuto questo documento per errore siete cortesemente pregati di darne=
 immediata comunicazione al mittente e di provvedere alla sua distruzione, G=
razie. 

This e-mail and any attachments is confidential and may contain privileged i=
nformation intended for the addressee(s) only. Dissemination, copying, print=
ing or use by anybody else is unauthorised. If you are not the intended reci=
pient, please delete this message and any attachments and advise the sender=
 by return e-mail, Thanks. 

Rispetta l'ambiente. Non stampare questa mail se non =E8 necessario.


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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Fioccola Giuseppe'" <giuseppe.fioccola@telecomitalia.it>, <l2sm@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/l2sm/1Jm_pmWdgh66ErU0vbEf3-Ga_zk>
Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
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Yes, good point.

A

> -----Original Message-----
> From: Fioccola Giuseppe [mailto:giuseppe.fioccola@telecomitalia.it]
> Sent: 05 June 2018 16:01
> To: adrian@olddog.co.uk; l2sm@ietf.org
> Subject: RE: [L2sm] Proposed Liaison to 3GPP SA5
>=20
> Hi Adrian, All,
> I absolutely agree with the proposed Liaison to 3GPP SA5. I would also =
suggest
to
> mention RFC8199 on YANG Module Classification.
>=20
> Best Regards,
>=20
> Giuseppe
>=20
> -----Original Message-----
> From: L2sm [mailto:l2sm-bounces@ietf.org] On Behalf Of Adrian Farrel
> Sent: luned=EC 4 giugno 2018 13:15
> To: l2sm@ietf.org
> Subject: [L2sm] Proposed Liaison to 3GPP SA5
>=20
> Hi WG,
>=20
> 3GPP SA5 is working on Management and orchestration of 5G networks and
> network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-
> SA5_5G) and is considering various existing data models as references. =
3GPP
> Release-15 is targeting freeze date of September 2018 and plan two =
meetings in
> June and August respectively to meet the deadline of 3GPP Release-15.
>=20
> They seem to have been soliciting input from various SDOs (most =
recently the
> BBF) but have not approached the IETF. This may be because they =
already know
> what we are working on, or it may be because they didn't realise.
>=20
> So Qin and I propose to send the following liaison statement to them =
for
> information. Since the next meeting is on June 26th, we think the =
deadline for
> sending this is should be June 15th.
>=20
> Any comments or edits would be welcomed.
>=20
> Thanks for any input or advice.
>=20
> Qin and Adrian
>=20
> =3D=3D=3D Draft LS =3D=3D=3D
>=20
> To: 3GPP SA5
> Cc: Thomas Tovinger, 3GPP SA5 Chairman
>        Ignas Bagdonas and Warren Kumari, IETF Operations and =
Management ADs
> From: Qin Wu and Adrian Farrel, IETF L2SM working group co-chairs
> For: Information
>=20
> We note that 3GPP SA5 is working on Management and orchestration of 5G
> networks and network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-
> NEWS/1951-SA5_5G) and is considering various existing data models as
> references. 3GPP Release-15 is targeting freeze date of September 2018 =
and
plan
> two meetings in June and August respectively to meet the deadline of =
3GPP
> Release-15. We would like to take this opportunity to inform you of =
the status
of
> several pieces of work in the IETF that satisfy the transport support =
for
network
> slicing on IP services , L2 service, and TE service.
>=20
> RFC 8299 provides A YANG Data Model for L3VPN Service Delivery.
> This document is a published RFC with IETF consensus.
> https://www.rfc-editor.org/rfc/rfc8299.txt
>=20
> draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model for =
L2VPN
> Service Delivery.
> This document has achieved working group and IETF consensus, and is =
currently
> completing approval for publication as an RFC.
> https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt
>=20
> RFC 8309 sets the previous two documents in context by explaining what =
the
IETF
> means by the term "Service Model"
> https://www.rfc-editor.org/rfc/rfc8309.txt
>=20
> You may also be interested in work in the TEAS working group on =
Abstraction
and
> Control of Traffic Engineered networks (ACTN).
> In particular, there is YANG model for Virtual Network operation in an =
ACTN
> context that may be of specific interest to you:
> https://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt
>=20
> Wishing you all success in your work,
> Qin Wu and Adrian Farrel
> Co-chairs, IETF L2SM working group
> =3D=3D=3DEND=3D=3D=3D
>=20
> _______________________________________________
> L2sm mailing list
> L2sm@ietf.org
> https://www.ietf.org/mailman/listinfo/l2sm
>=20
> Questo messaggio e i suoi allegati sono indirizzati esclusivamente =
alle
persone
> indicate. La diffusione, copia o qualsiasi altra azione derivante =
dalla
conoscenza di
> queste informazioni sono rigorosamente vietate. Qualora abbiate =
ricevuto
> questo documento per errore siete cortesemente pregati di darne =
immediata
> comunicazione al mittente e di provvedere alla sua distruzione, =
Grazie.
>=20
> This e-mail and any attachments is confidential and may contain =
privileged
> information intended for the addressee(s) only. Dissemination, =
copying,
printing
> or use by anybody else is unauthorised. If you are not the intended =
recipient,
> please delete this message and any attachments and advise the sender =
by return
> e-mail, Thanks.
>=20
> Rispetta l'ambiente. Non stampare questa mail se non =E8 necessario.


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From: "Roque Gagliano (rogaglia)" <rogaglia@cisco.com>
To: "adrian@olddog.co.uk" <adrian@olddog.co.uk>, "'Fioccola Giuseppe'" <giuseppe.fioccola@telecomitalia.it>, "l2sm@ietf.org" <l2sm@ietf.org>
Thread-Topic: [L2sm] Proposed Liaison to 3GPP SA5
Thread-Index: AdP77mZy+ziBQucgTuOCdr0I0+8PugABou9AADovkiAACnVnAAAFuTuA
Date: Tue, 5 Jun 2018 16:42:03 +0000
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Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
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From nobody Tue Jun  5 10:36:57 2018
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Roque Gagliano \(rogaglia\)'" <rogaglia@cisco.com>, <l2sm@ietf.org>
References: <000901d3fbf5$5648d790$02da86b0$@olddog.co.uk> <7ee2d1342bf6403583d834a1ae3f2d7d@TELMBXB02RM001.telecomitalia.local> <01a901d3fce6$00486b20$00d94160$@olddog.co.uk> <2717B04F-A52D-4F07-BCD6-54672978429E@cisco.com>
In-Reply-To: <2717B04F-A52D-4F07-BCD6-54672978429E@cisco.com>
Date: Tue, 5 Jun 2018 18:36:40 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/l2sm/5-i4cXdr1VXYC7fIHhzw5gYhrL4>
Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
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X-List-Received-Date: Tue, 05 Jun 2018 17:36:54 -0000

Hi Roque,

Well, both documents went through IETF last call, and both 8309 and 8199 =
have IETF consensus. As it says in the boilerplate for both documents.

   This document is a product of the Internet Engineering Task Force
   (IETF). It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).

And as 8309 says

   This document describes service models as used within the IETF and
   also shows where a service model might fit into a software-defined
   networking architecture.

So can you clarify what your concern is?=20

Thanks,
Adrian

> -----Original Message-----
> From: Roque Gagliano (rogaglia) [mailto:rogaglia@cisco.com]
> Sent: 05 June 2018 17:42
> To: adrian@olddog.co.uk; 'Fioccola Giuseppe'; l2sm@ietf.org
> Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
>=20
> Hi Adrian,
>=20
> I agree that sending this message is a good idea.
>=20
> However, I do not think the RFC 8309 is "explaining what the IETF =
means by the
> term "Service Model". This is an informational document and as such =
does not
> represent consensus or recommendation per RFC 2026. Personally, I =
agree with
> Giuseppe that RFC 8199 is a better document but that is also an =
informational
> document.
>=20
> I better text could be:
> "RFC 8199 and RFC 8309 are informational documents developed by the =
IETF
> community to show examples on how service models could be =
implemented."
>=20
> Regards,
> Roque
>=20
>=20
> =EF=BB=BFOn 05/06/18 17:58, "L2sm on behalf of Adrian Farrel" =
<l2sm-bounces@ietf.org on
> behalf of adrian@olddog.co.uk> wrote:
>=20
>     Yes, good point.
>=20
>     A
>=20
>     > -----Original Message-----
>     > From: Fioccola Giuseppe =
[mailto:giuseppe.fioccola@telecomitalia.it]
>     > Sent: 05 June 2018 16:01
>     > To: adrian@olddog.co.uk; l2sm@ietf.org
>     > Subject: RE: [L2sm] Proposed Liaison to 3GPP SA5
>     >
>     > Hi Adrian, All,
>     > I absolutely agree with the proposed Liaison to 3GPP SA5. I =
would also
> suggest
>     to
>     > mention RFC8199 on YANG Module Classification.
>     >
>     > Best Regards,
>     >
>     > Giuseppe
>     >
>     > -----Original Message-----
>     > From: L2sm [mailto:l2sm-bounces@ietf.org] On Behalf Of Adrian =
Farrel
>     > Sent: luned=C3=AC 4 giugno 2018 13:15
>     > To: l2sm@ietf.org
>     > Subject: [L2sm] Proposed Liaison to 3GPP SA5
>     >
>     > Hi WG,
>     >
>     > 3GPP SA5 is working on Management and orchestration of 5G =
networks and
>     > network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-
>     > SA5_5G) and is considering various existing data models as =
references. 3GPP
>     > Release-15 is targeting freeze date of September 2018 and plan =
two meetings
> in
>     > June and August respectively to meet the deadline of 3GPP =
Release-15.
>     >
>     > They seem to have been soliciting input from various SDOs (most =
recently the
>     > BBF) but have not approached the IETF. This may be because they =
already
> know
>     > what we are working on, or it may be because they didn't =
realise.
>     >
>     > So Qin and I propose to send the following liaison statement to =
them for
>     > information. Since the next meeting is on June 26th, we think =
the deadline
> for
>     > sending this is should be June 15th.
>     >
>     > Any comments or edits would be welcomed.
>     >
>     > Thanks for any input or advice.
>     >
>     > Qin and Adrian
>     >
>     > =3D=3D=3D Draft LS =3D=3D=3D
>     >
>     > To: 3GPP SA5
>     > Cc: Thomas Tovinger, 3GPP SA5 Chairman
>     >        Ignas Bagdonas and Warren Kumari, IETF Operations and =
Management
> ADs
>     > From: Qin Wu and Adrian Farrel, IETF L2SM working group =
co-chairs
>     > For: Information
>     >
>     > We note that 3GPP SA5 is working on Management and orchestration =
of 5G
>     > networks and network slicing =
(http://www.3gpp.org/NEWS-EVENTS/3GPP-
>     > NEWS/1951-SA5_5G) and is considering various existing data =
models as
>     > references. 3GPP Release-15 is targeting freeze date of =
September 2018 and
>     plan
>     > two meetings in June and August respectively to meet the =
deadline of 3GPP
>     > Release-15. We would like to take this opportunity to inform you =
of the status
>     of
>     > several pieces of work in the IETF that satisfy the transport =
support for
>     network
>     > slicing on IP services , L2 service, and TE service.
>     >
>     > RFC 8299 provides A YANG Data Model for L3VPN Service Delivery.
>     > This document is a published RFC with IETF consensus.
>     > https://www.rfc-editor.org/rfc/rfc8299.txt
>     >
>     > draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model =
for L2VPN
>     > Service Delivery.
>     > This document has achieved working group and IETF consensus, and =
is
> currently
>     > completing approval for publication as an RFC.
>     > =
https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt
>     >
>     > RFC 8309 sets the previous two documents in context by =
explaining what the
>     IETF
>     > means by the term "Service Model"
>     > https://www.rfc-editor.org/rfc/rfc8309.txt
>     >
>     > You may also be interested in work in the TEAS working group on =
Abstraction
>     and
>     > Control of Traffic Engineered networks (ACTN).
>     > In particular, there is YANG model for Virtual Network operation =
in an ACTN
>     > context that may be of specific interest to you:
>     > https://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt
>     >
>     > Wishing you all success in your work,
>     > Qin Wu and Adrian Farrel
>     > Co-chairs, IETF L2SM working group
>     > =3D=3D=3DEND=3D=3D=3D
>     >
>     > _______________________________________________
>     > L2sm mailing list
>     > L2sm@ietf.org
>     > https://www.ietf.org/mailman/listinfo/l2sm
>     >
>     > Questo messaggio e i suoi allegati sono indirizzati =
esclusivamente alle
>     persone
>     > indicate. La diffusione, copia o qualsiasi altra azione =
derivante dalla
>     conoscenza di
>     > queste informazioni sono rigorosamente vietate. Qualora abbiate =
ricevuto
>     > questo documento per errore siete cortesemente pregati di darne =
immediata
>     > comunicazione al mittente e di provvedere alla sua distruzione, =
Grazie.
>     >
>     > This e-mail and any attachments is confidential and may contain =
privileged
>     > information intended for the addressee(s) only. Dissemination, =
copying,
>     printing
>     > or use by anybody else is unauthorised. If you are not the =
intended recipient,
>     > please delete this message and any attachments and advise the =
sender by
> return
>     > e-mail, Thanks.
>     >
>     > Rispetta l'ambiente. Non stampare questa mail se non =C3=A8 =
necessario.
>=20
>     _______________________________________________
>     L2sm mailing list
>     L2sm@ietf.org
>     https://www.ietf.org/mailman/listinfo/l2sm
>=20



From nobody Tue Jun  5 10:42:10 2018
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From: "Roque Gagliano (rogaglia)" <rogaglia@cisco.com>
To: "adrian@olddog.co.uk" <adrian@olddog.co.uk>, "l2sm@ietf.org" <l2sm@ietf.org>
Thread-Topic: [L2sm] Proposed Liaison to 3GPP SA5
Thread-Index: AdP77mZy+ziBQucgTuOCdr0I0+8PugABou9AADovkiAACnVnAAAFuTuA///tvQCAACL1gA==
Date: Tue, 5 Jun 2018 17:41:48 +0000
Message-ID: <D14DDD23-258C-4839-9CF8-4A9E989878F9@cisco.com>
References: <000901d3fbf5$5648d790$02da86b0$@olddog.co.uk> <7ee2d1342bf6403583d834a1ae3f2d7d@TELMBXB02RM001.telecomitalia.local> <01a901d3fce6$00486b20$00d94160$@olddog.co.uk> <2717B04F-A52D-4F07-BCD6-54672978429E@cisco.com> <01c401d3fcf3$c389b230$4a9d1690$@olddog.co.uk>
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Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Roque Gagliano \(rogaglia\)'" <rogaglia@cisco.com>, <l2sm@ietf.org>
References: <000901d3fbf5$5648d790$02da86b0$@olddog.co.uk> <7ee2d1342bf6403583d834a1ae3f2d7d@TELMBXB02RM001.telecomitalia.local> <01a901d3fce6$00486b20$00d94160$@olddog.co.uk> <2717B04F-A52D-4F07-BCD6-54672978429E@cisco.com> <01c401d3fcf3$c389b230$4a9d1690$@olddog.co.uk> <D14DDD23-258C-4839-9CF8-4A9E989878F9@cisco.com>
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Date: Tue, 5 Jun 2018 19:46:30 +0100
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Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
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Hi again,

It has been a while since anyone quoted 2026 at me :-)

I think you have interpreted the text you quote the wrong way around. It =
is true that you cannot take an Informational RFC and make any =
assumption of IETF consensus. That is, it is possible to have =
Informational RFCs that have or do not have IETF consensus. The second =
paragraph describes documents that are produced under what is now called =
the Independent Submissions stream: they are Informational RFCs that do =
not (cannot) have IETF consensus.

You might find RFC 7841 helpful in understanding how IETF consensus can =
be applied across a range of documents: mandatory for some; optional for =
others.

The IESG Statement at =
https://www.ietf.org/blog/last-call-guidance-community/?secondary_topic=3D=
22&primary_topic=3D7& makes clear that the IESG considers it reasonable =
to IETF last call an Informational RFC. I believe that the current IESG =
continues the practice of issuing IETF last call and so judging IETF =
consensus on all RFCs on the IETF stream.

Cheers,
Adrian

> The definition of IETF informational models can be found in RFC 2026 =
section
> 4.2.2:
>=20
> --------
> 4.2.2  Informational
>=20
>    An "Informational" specification is published for the general
>    information of the Internet community, and does not represent an
>    Internet community consensus or recommendation.  The Informational
>    designation is intended to provide for the timely publication of a
>    very broad range of responsible informational documents from many
>    sources, subject only to editorial considerations and to =
verification
>    that there has been adequate coordination with the standards =
process
>    (see section 4.2.3).
>=20
>    Specifications that have been prepared outside of the Internet
>    community and are not incorporated into the Internet Standards
>    Process by any of the provisions of section 10 may be published as
>    Informational RFCs, with the permission of the owner and the
>    concurrence of the RFC Editor.
> --------
>=20
> That is my point, you can't call it consensus as the purpuse of an =
informational
> model is not to reach consensus.
>=20
> Roque


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From: "Roque Gagliano (rogaglia)" <rogaglia@cisco.com>
To: "adrian@olddog.co.uk" <adrian@olddog.co.uk>, "l2sm@ietf.org" <l2sm@ietf.org>
Thread-Topic: [L2sm] Proposed Liaison to 3GPP SA5
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Date: Tue, 5 Jun 2018 19:53:23 +0000
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From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Roque Gagliano \(rogaglia\)'" <rogaglia@cisco.com>
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References: <000901d3fbf5$5648d790$02da86b0$@olddog.co.uk> <7ee2d1342bf6403583d834a1ae3f2d7d@TELMBXB02RM001.telecomitalia.local> <01a901d3fce6$00486b20$00d94160$@olddog.co.uk> <2717B04F-A52D-4F07-BCD6-54672978429E@cisco.com> <01c401d3fcf3$c389b230$4a9d1690$@olddog.co.uk> <D14DDD23-258C-4839-9CF8-4A9E989878F9@cisco.com> <01c901d3fcfd$856d13c0$90473b40$@olddog.co.uk> <40C646D5-7AE8-4715-9527-F6F75461ABD1@cisco.com>
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Subject: Re: [L2sm] Proposed Liaison to 3GPP SA5
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> Independently if RFC 8309 was approved following the correct process =
(which I
> believe is your latest point), we cannot refer to it as the IETF =
community
> consensual opinion on how service models should be interpreted as it =
was
> expressed in your original statement but just a recompilation of =
possible
> examples.

OK, I'm talking as a co-author of 8309, and not as L2SM co-chair.=20

Why cannot we refer to it as the IETF community consensual opinion? Or =
is your point that I am misrepresenting the content of the document?

Cheers,
Adrian

> Please consider my contribution for a modified text:
> "RFC 8199 and RFC 8309 are informational documents developed by the =
IETF
> community to show examples on how service models could be =
implemented."


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From: "Roque Gagliano (rogaglia)" <rogaglia@cisco.com>
To: "adrian@olddog.co.uk" <adrian@olddog.co.uk>
CC: "l2sm@ietf.org" <l2sm@ietf.org>
Thread-Topic: [L2sm] Proposed Liaison to 3GPP SA5
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--_000_HK2PR02MB12512D4661A80A5FE03EEB148B7D0HK2PR02MB1251apcp_
Content-Type: text/html; charset="gb2312"
Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dgb2312">
<style type=3D"text/css" style=3D"display:none;"><!-- P {margin-top:0;margi=
n-bottom:0;} --></style>
</head>
<body dir=3D"ltr">
<div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;font=
-family:Calibri,Helvetica,sans-serif;" dir=3D"ltr">
<p style=3D"margin-top:0;margin-bottom:0">Hi, all.</p>
<p style=3D"margin-top:0;margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0;margin-bottom:0">I totally&nbsp;agree with the pro=
posed liasion as 3GPP is indeed working on Management and orchestration of =
5G.<span style=3D"color: rgb(33, 33, 33); font-family: &quot;Microsoft YaHe=
i UI&quot;, &quot;Microsoft YaHei&quot;, =CE=A2=C8=ED=D1=C5=BA=DA, SimSun, =
=CB=CE=CC=E5, sans-serif, serif, EmojiFont;"></span></p>
<p style=3D"margin-top:0;margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0;margin-bottom:0">Rong Gu</p>
<p style=3D"margin-top:0;margin-bottom:0">gurong_cmcc@outlook.com</p>
<p style=3D"margin-top:0;margin-bottom:0">gurong@chinamobile.com</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>=B7=A2=BC=FE=C8=CB:</b> L2sm &l=
t;l2sm-bounces@ietf.org&gt; =B4=FA=B1=ED Chongfeng &lt;chongfeng.xie@foxmai=
l.com&gt;<br>
<b>=B7=A2=CB=CD=CA=B1=BC=E4:</b> 2018=C4=EA6=D4=C29=C8=D5 7:48:23<br>
<b>=CA=D5=BC=FE=C8=CB:</b> adrian; l2sm<br>
<b>=D6=F7=CC=E2:</b> [L2sm] Re=A3=BA Proposed Liaison to 3GPP SA5</font>
<div>&nbsp;</div>
</div>
<meta content=3D"text/html; charset=3DGB18030">
<div>Hi, Adrian and Qin, I believe IETF and 3GPP should have more collabora=
tion on network slicing connectivity service standard and YANG data model s=
outhbound and northbound work, since YANG data model work has taken off in =
IETF to meet industry's needs. Therefore
 I support to send the proposed liaison to 3GPP SA5. Chongfeng
<div style=3D"color:#000">
<div style=3D"padding-right:0px; padding-left:0px; font-size:12px; padding-=
bottom:2px; padding-top:2px; font-family:Arial Narrow">
------------------&nbsp;Original&nbsp;------------------</div>
<div style=3D"padding-right:8px; padding-left:8px; font-size:12px; backgrou=
nd:#efefef; padding-bottom:8px; padding-top:8px">
<div><b>From:</b>&nbsp;&quot;adrian&quot;&lt;adrian@olddog.co.uk&gt;<wbr></=
div>
<div><b>Date:</b>&nbsp;Mon, Jun 4, 2018 07:15 PM</div>
<div><b>To:</b>&nbsp;&quot;l2sm&quot;&lt;l2sm@ietf.org&gt;;</div>
<div><b>Subject:</b>&nbsp;[L2sm] Proposed Liaison to 3GPP SA5</div>
</div>
</div>
Hi WG,<br>
<br>
3GPP SA5 is working on Management and orchestration of 5G networks and netw=
ork slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_5G) and is =
considering various existing data models as references. 3GPP Release-15 is =
targeting freeze date of September
 2018 and plan two meetings in June and August respectively to meet the dea=
dline of 3GPP Release-15.<br>
&nbsp;<br>
They seem to have been soliciting input from various SDOs (most recently th=
e BBF) but have not approached the IETF. This may be because they already k=
now what we are working on, or it may be because they didn't realise.<br>
<br>
So Qin and I propose to send the following liaison statement to them for in=
formation. Since the next meeting is on June 26th, we think the deadline fo=
r sending this is should be June 15th.<br>
<br>
Any comments or edits would be welcomed.<br>
<br>
Thanks for any input or advice.<br>
<br>
Qin and Adrian<br>
<br>
=3D=3D=3D Draft LS =3D=3D=3D<br>
<br>
To: 3GPP SA5<br>
Cc: Thomas Tovinger, 3GPP SA5 Chairman<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Ignas Bagdonas and Warren Kumari, IETF=
 Operations and Management ADs<br>
From: Qin Wu and Adrian Farrel, IETF L2SM working group co-chairs<br>
For: Information<br>
<br>
We note that 3GPP SA5 is working on Management and orchestration of 5G netw=
orks and network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA=
5_5G) and is considering various existing data models as references. 3GPP R=
elease-15 is targeting freeze date
 of September 2018 and plan two meetings in June and August respectively to=
 meet the deadline of 3GPP Release-15. We would like to take this opportuni=
ty to inform you of the status of several pieces of work in the IETF that s=
atisfy the transport support for
 network slicing on IP services , L2 service, and TE service.<br>
<br>
RFC 8299 provides A YANG Data Model for L3VPN Service Delivery.<br>
This document is a published RFC with IETF consensus.<br>
https://www.rfc-editor.org/rfc/rfc8299.txt<br>
&nbsp;<br>
draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model for L2VPN<br=
>
Service Delivery.<br>
This document has achieved working group and IETF consensus, and is current=
ly completing approval for publication as an RFC.<br>
https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt<br>
&nbsp;<br>
RFC 8309 sets the previous two documents in context by explaining what the =
IETF means by the term &quot;Service Model&quot;<br>
https://www.rfc-editor.org/rfc/rfc8309.txt<br>
&nbsp;<br>
You may also be interested in work in the TEAS working group on Abstraction=
 and Control of Traffic Engineered networks (ACTN).<br>
In particular, there is YANG model for Virtual Network operation in an ACTN=
 context that may be of specific interest to you:<br>
https://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt<br>
&nbsp;<br>
Wishing you all success in your work,<br>
Qin Wu and Adrian Farrel<br>
Co-chairs, IETF L2SM working group<br>
=3D=3D=3DEND=3D=3D=3D<br>
<br>
_______________________________________________<br>
L2sm mailing list<br>
L2sm@ietf.org<br>
https://www.ietf.org/mailman/listinfo/l2sm<br>
</div>
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Date: Thu, 14 Jun 2018 14:36:43 -0700
From: Jeff Tantsura <jefftant.ietf@gmail.com>
To: adrian <adrian@olddog.co.uk>, l2sm <l2sm@ietf.org>
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Hi,

 

I support the liaison and text looks good as is. 

 

Cheers,

Jeff

------------------ Original ------------------

From: "adrian"<adrian@olddog.co.uk>

Date: Mon, Jun 4, 2018 07:15 PM

To: "l2sm"<l2sm@ietf.org>;

Subject: [L2sm] Proposed Liaison to 3GPP SA5

Hi WG,

3GPP SA5 is working on Management and orchestration of 5G networks and network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_5G) and is considering various existing data models as references. 3GPP Release-15 is targeting freeze date of September 2018 and plan two meetings in June and August respectively to meet the deadline of 3GPP Release-15.
 
They seem to have been soliciting input from various SDOs (most recently the BBF) but have not approached the IETF. This may be because they already know what we are working on, or it may be because they didn't realise.

So Qin and I propose to send the following liaison statement to them for information. Since the next meeting is on June 26th, we think the deadline for sending this is should be June 15th.

Any comments or edits would be welcomed.

Thanks for any input or advice.

Qin and Adrian

=== Draft LS ===

To: 3GPP SA5
Cc: Thomas Tovinger, 3GPP SA5 Chairman
       Ignas Bagdonas and Warren Kumari, IETF Operations and Management ADs
From: Qin Wu and Adrian Farrel, IETF L2SM working group co-chairs
For: Information

We note that 3GPP SA5 is working on Management and orchestration of 5G networks and network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_5G) and is considering various existing data models as references. 3GPP Release-15 is targeting freeze date of September 2018 and plan two meetings in June and August respectively to meet the deadline of 3GPP Release-15. We would like to take this opportunity to inform you of the status of several pieces of work in the IETF that satisfy the transport support for network slicing on IP services , L2 service, and TE service.

RFC 8299 provides A YANG Data Model for L3VPN Service Delivery.
This document is a published RFC with IETF consensus.
https://www.rfc-editor.org/rfc/rfc8299.txt
 
draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model for L2VPN
Service Delivery.
This document has achieved working group and IETF consensus, and is currently completing approval for publication as an RFC.
https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt
 
RFC 8309 sets the previous two documents in context by explaining what the IETF means by the term "Service Model"
https://www.rfc-editor.org/rfc/rfc8309.txt
 
You may also be interested in work in the TEAS working group on Abstraction and Control of Traffic Engineered networks (ACTN).
In particular, there is YANG model for Virtual Network operation in an ACTN context that may be of specific interest to you:
https://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt
 
Wishing you all success in your work,
Qin Wu and Adrian Farrel
Co-chairs, IETF L2SM working group
===END===

_______________________________________________
L2sm mailing list
L2sm@ietf.org
https://www.ietf.org/mailman/listinfo/l2sm

_______________________________________________ L2sm mailing list L2sm@ietf.org https://www.ietf.org/mailman/listinfo/l2sm 


--B_3611831803_1233719337
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<html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-microsof=
t-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" xmlns:m=
=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http://www.w3.org=
/TR/REC-html40"><head><meta http-equiv=3DContent-Type content=3D"text/html; char=
set=3Dutf-8"><meta name=3DGenerator content=3D"Microsoft Word 15 (filtered medium)=
"><style><!--
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	{mso-style-type:personal-reply;
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--></style></head><body lang=3DEN-US link=3D"#0563C1" vlink=3D"#954F72"><div clas=
s=3DWordSection1><p class=3DMsoNormal>Hi,<o:p></o:p></p><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p><p class=3DMsoNormal>I support the liaison and text looks good=
 as is. <o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=
=3DMsoNormal><span style=3D'color:black'>Cheers,<o:p></o:p></span></p></div><p c=
lass=3DMsoNormal><span style=3D'color:black'>Jeff</span><o:p></o:p></p><div><div=
><div><p class=3DMsoNormal><a name=3D"_MailOriginalBody"><span style=3D'font-size:=
9.0pt;font-family:"Arial Narrow",sans-serif;color:black'>------------------&=
nbsp;Original&nbsp;------------------<o:p></o:p></span></a></p></div><div><d=
iv><p class=3DMsoNormal style=3D'background:#EFEFEF'><span style=3D'mso-bookmark:_=
MailOriginalBody'><b><span style=3D'font-size:9.0pt;color:black'>From:</span><=
/b></span><span style=3D'mso-bookmark:_MailOriginalBody'><span style=3D'font-siz=
e:9.0pt;color:black'>&nbsp;&quot;adrian&quot;&lt;adrian@olddog.co.uk&gt;<o:p=
></o:p></span></span></p></div><div><p class=3DMsoNormal style=3D'background:#EF=
EFEF'><span style=3D'mso-bookmark:_MailOriginalBody'><b><span style=3D'font-size=
:9.0pt;color:black'>Date:</span></b></span><span style=3D'mso-bookmark:_MailOr=
iginalBody'><span style=3D'font-size:9.0pt;color:black'>&nbsp;Mon, Jun 4, 2018=
 07:15 PM<o:p></o:p></span></span></p></div><div><p class=3DMsoNormal style=3D'b=
ackground:#EFEFEF'><span style=3D'mso-bookmark:_MailOriginalBody'><b><span sty=
le=3D'font-size:9.0pt;color:black'>To:</span></b></span><span style=3D'mso-bookm=
ark:_MailOriginalBody'><span style=3D'font-size:9.0pt;color:black'>&nbsp;&quot=
;l2sm&quot;&lt;l2sm@ietf.org&gt;;<o:p></o:p></span></span></p></div><div><p =
class=3DMsoNormal style=3D'background:#EFEFEF'><span style=3D'mso-bookmark:_MailOr=
iginalBody'><b><span style=3D'font-size:9.0pt;color:black'>Subject:</span></b>=
</span><span style=3D'mso-bookmark:_MailOriginalBody'><span style=3D'font-size:9=
.0pt;color:black'>&nbsp;[L2sm] Proposed Liaison to 3GPP SA5<o:p></o:p></span=
></span></p></div></div></div><p class=3DMsoNormal><span style=3D'mso-bookmark:_=
MailOriginalBody'>Hi WG,<br><br>3GPP SA5 is working on Management and orches=
tration of 5G networks and network slicing (http://www.3gpp.org/NEWS-EVENTS/=
3GPP-NEWS/1951-SA5_5G) and is considering various existing data models as re=
ferences. 3GPP Release-15 is targeting freeze date of September 2018 and pla=
n two meetings in June and August respectively to meet the deadline of 3GPP =
Release-15.<br>&nbsp;<br>They seem to have been soliciting input from variou=
s SDOs (most recently the BBF) but have not approached the IETF. This may be=
 because they already know what we are working on, or it may be because they=
 didn't realise.<br><br>So Qin and I propose to send the following liaison s=
tatement to them for information. Since the next meeting is on June 26th, we=
 think the deadline for sending this is should be June 15th.<br><br>Any comm=
ents or edits would be welcomed.<br><br>Thanks for any input or advice.<br><=
br>Qin and Adrian<br><br>=3D=3D=3D Draft LS =3D=3D=3D<br><br>To: 3GPP SA5<br>Cc: Thomas =
Tovinger, 3GPP SA5 Chairman<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Ignas Ba=
gdonas and Warren Kumari, IETF Operations and Management ADs<br>From: Qin Wu=
 and Adrian Farrel, IETF L2SM working group co-chairs<br>For: Information<br=
><br>We note that 3GPP SA5 is working on Management and orchestration of 5G =
networks and network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951=
-SA5_5G) and is considering various existing data models as references. 3GPP=
 Release-15 is targeting freeze date of September 2018 and plan two meetings=
 in June and August respectively to meet the deadline of 3GPP Release-15. We=
 would like to take this opportunity to inform you of the status of several =
pieces of work in the IETF that satisfy the transport support for network sl=
icing on IP services , L2 service, and TE service.<br><br>RFC 8299 provides =
A YANG Data Model for L3VPN Service Delivery.<br>This document is a publishe=
d RFC with IETF consensus.<br>https://www.rfc-editor.org/rfc/rfc8299.txt<br>=
&nbsp;<br>draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model for=
 L2VPN<br>Service Delivery.<br>This document has achieved working group and =
IETF consensus, and is currently completing approval for publication as an R=
FC.<br>https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt<br=
>&nbsp;<br>RFC 8309 sets the previous two documents in context by explaining=
 what the IETF means by the term &quot;Service Model&quot;<br>https://www.rf=
c-editor.org/rfc/rfc8309.txt<br>&nbsp;<br>You may also be interested in work=
 in the TEAS working group on Abstraction and Control of Traffic Engineered =
networks (ACTN).<br>In particular, there is YANG model for Virtual Network o=
peration in an ACTN context that may be of specific interest to you:<br>http=
s://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt<br>&nbsp;<br>Wishing=
 you all success in your work,<br>Qin Wu and Adrian Farrel<br>Co-chairs, IET=
F L2SM working group<br>=3D=3D=3DEND=3D=3D=3D<br><br>___________________________________=
____________<br>L2sm mailing list<br>L2sm@ietf.org<br>https://www.ietf.org/m=
ailman/listinfo/l2sm<o:p></o:p></span></p></div><p class=3DMsoNormal><span sty=
le=3D'mso-bookmark:_MailOriginalBody'>________________________________________=
_______ L2sm mailing list L2sm@ietf.org https://www.ietf.org/mailman/listinf=
o/l2sm </span><o:p></o:p></p></div></body></html>

--B_3611831803_1233719337--



From nobody Fri Jun 15 04:51:23 2018
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Cc: Adrian Farrel <adrian@olddog.co.uk>, Ignas Bagdonas <ibagdona@gmail.com>,  Qin Wu <bill.wu@huawei.com>, Warren Kumari <warren@kumari.net>, L2VPN Service Model Discussion List <l2sm@ietf.org>
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Subject: [L2sm] New Liaison Statement, "IETF work related to the management and orchestration of network slicing"
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Title: IETF work related to the management and orchestration of network slicing
Submission Date: 2018-06-15
URL of the IETF Web page: https://datatracker.ietf.org/liaison/1582/

From: Adrian Farrel <adrian@olddog.co.uk>
To: Thomas Tovinger <thomas.tovinger@ericsson.com>
3GPP Liaisons Coordinator <3GPPLiaison@etsi.org>
Cc: Adrian Farrel <adrian@olddog.co.uk>,Ignas Bagdonas <ibagdona@gmail.com>,Qin Wu <bill.wu@huawei.com>,Warren Kumari <warren@kumari.net>,L2VPN Service Model Discussion List <l2sm@ietf.org>
Response Contacts: Adrian Farrel <adrian@olddog.co.uk>, Qin Wu <bill.wu@huawei.com>
Technical Contacts: Adrian Farrel <adrian@olddog.co.uk>,Qin Wu <bill.wu@huawei.com>
Purpose: For information

Body: We note that 3GPP SA5 is working on Management and orchestration of 5G networks and network slicing (http://www.3gpp.org/NEWS-EVENTS/3GPP-NEWS/1951-SA5_5G) and is considering various existing data models as references. 

We would like to take this opportunity to inform you of the status of several pieces of work in the IETF that provide support for network slicing for IP services , L2 services, TE services, and transport networks.

RFC 8299 provides A YANG Data Model for L3VPN Service Delivery.
This document is a published RFC with IETF consensus.
https://www.rfc-editor.org/rfc/rfc8299.txt

draft-ietf-l2sm-l2vpn-service-model provides A YANG Data Model for L2VPN Service Delivery.
This document has achieved working group and IETF consensus, and is currently completing approval for publication as an RFC.
https://www.ietf.org/id/draft-ietf-l2sm-l2vpn-service-model-10.txt

Two further informational documents developed by the IETF community may help explain this work:

- RFC 8309 sets the previous two documents in context by explaining what the IETF
   means by the term "Service Model"
   https://www.rfc-editor.org/rfc/rfc8309.txt
 
- RFC 8199 provides a YANG module classification that will also assist you in seeing
   how the IETF's YANG modules fit together.
   https://www.rfc-editor.org/rfc/rfc8199.txt
 
You may also be interested in work in the TEAS working group on Abstraction and Control of Traffic Engineered networks (ACTN).
In particular, there is YANG model for Virtual Network operation in an ACTN context that may be of specific interest to you:
https://www.ietf.org/id/draft-ietf-teas-actn-vn-yang-00.txt

Wishing you all success in your work,
Qin Wu and Adrian Farrel
Co-chairs, IETF L2SM working group
Attachments:

No document has been attached


From nobody Mon Jun 25 09:41:33 2018
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The IESG has approved the following document:
- 'A YANG Data Model for L2VPN Service Delivery'
  (draft-ietf-l2sm-l2vpn-service-model-10.txt) as Proposed Standard

This document is the product of the L2VPN Service Model Working Group.

The IESG contact persons are Warren Kumari and Ignas Bagdonas.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-l2sm-l2vpn-service-model/





Technical Summary

This document defines a YANG data model that can be used to configure
a Layer 2 Provider Provisioned VPN service.

This model is intended to be instantiated at management system to
deliver the overall service.  This model is not a configuration model
to be used directly on network elements, but provides an abstracted
view of the Layer 2 VPN service configuration components.  It is up
to a management system to take this as an input and generate specific
configurations models to configure the different network elements to
deliver the service.  How configuration of network elements is done
is out of scope of the document.

The data model in this document includes support for point-to-point
Virtual Private Wire Services (VPWS) and multipoint Virtual Private
LAN services (VPLS) that use Pseudowires signaled using the Label
Distribution Protocol (LDP) and the Border Gateway Protocol (BGP) as
described in RFC4761 and RFC6624.

Working Group Summary

This has been a relatively quiet WG, but there has been useful and
technical discussion on the list. WG meetings have brought in a few
additional voices raising valuablee points. The WG has also held
virtual interim meetings to dig into the open technical issues.

Document Quality

There is one known implementation in progress.
The document received a thorough review from Jan Lindblad as a YANG
expert. Jan was very familiar with the L3SM work and able to carry
this review across.

Personnel

Adrian Farrel is the document shepherd
Ignas Bagdonas is the responsible AD.

