Re: [CCAMP] [Teas] Reply to ETSI communication on WIM

+1

Thanks Daniel for a good liaison with ETSI NFV WIM.

Young

2019년 12월 15일 (일) 오전 2:46, Adrian Farrel <adrian@olddog.co.uk>님이 작성:

> Daniele,
>
> Thanks!
>
> I like that a lot.
>
> Adrian
>
>
>
> *From:* Teas <teas-bounces@ietf.org> *On Behalf Of *Daniele Ceccarelli
> *Sent:* 14 December 2019 17:28
> *To:* teas@ietf.org; CCAMP (ccamp@ietf.org) <ccamp@ietf.org>
> *Cc:* opsa@ietf.org
> *Subject:* [Teas] Reply to ETSI communication on WIM
>
>
>
> TEAS, CCAMP, chairs,
>
>
>
> I tried to put together a  first draft of the reply to the ETSI
> communication.
>
> I would suggest to include the OPSA WG since the reply includes also the
> service and network models defined there.
>
> Here is a preliminary proposal:
>
> -----
>
> The IETF TEAS and CCAMP working groups would like to thank the ETSI ISG
> NFV for notifying the start of the work on multi-site connectivity
> services. We acknowledge the commonalities between the WIM infrastructure
> manager interfaces and the ACTN ones, in particular the CMI (CSC-MDSC)
> interface. Our understanding is that the scope of the WIM interfaces is not
> limited to the management of the underlay Traffic Engineered infrastructure
> but also the connectivity services that can be built on top of that, like
> e.g. L3VPNs and L2VPNs.
>
>
>
> The relevant documents specifying YANG models (and related status) for the
> connectivity services are:
>
>    - L3SM – A service model for L3VPN services – RFC 8299
>    - L2SM – A service model for L2VPN service – RFC 8466
>    - L1CMS - https://datatracker.ietf.org/doc/draft-ietf-ccamp-l1csm-yang/
>     stable working group document already reviewed by YANG doctors.
>    - L3NM – https://datatracker.ietf.org/doc/draft-ietf-opsawg-l3sm-l3nm/
>     stable working group document
>
>
>
> On the other side ACTN provides guidelines for the implementation of
> interfaces for the management of traffic engineered underlay infrastructure
> (https://datatracker.ietf.org/doc/draft-ietf-teas-actn-yang/). A wide
> variety of YANG models can be used to implement various features (e.g.
> calendaring, telemetry) but a minimal set of mandatory models to operate
> the network is identified:
>
>
>
>    - TE topology:
>    https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te-topo/ –
>    approved by the IESG and in the editor queue
>    - ACTN virtual network:
>    https://datatracker.ietf.org/doc/draft-ietf-teas-actn-vn-yang/ –
>    stable working group document
>    - TE tunnel: https://datatracker.ietf.org/doc/draft-ietf-teas-yang-te/ –
>    stable working group document
>
>
>
> Extensions to these models are defined in the CCAMP working group to
> provide technology specific extensions. TE Topology and TE tunnels
> augmentations are being defined for WSON (Wavelength Switched Optical
> Networks), flexi grid WSON, OTN (digital layer of the Optical Transport
> Network) and microwave.
>
> In the eventuality in which the ETSI NFV ISG identifies additional
> requirements that are not currently addressed in the ACTN framework
> (RFC8453) and models, they can be proposed as individual contributions
> either in the TEAS working group (if technology agnostic) or in the CCAMP
> working group (if technology specific) and follow the IETF process.
>
> ----
>
> BR
>
> Daniele
>
>
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