Re: [alto] Bringing operation automation cases to the list

Hi, Richard:
发件人: alto [mailto:alto-bounces@ietf.org] 代表 Y. Richard Yang
发送时间: 2021年3月11日 12:52
收件人: LUIS MIGUEL CONTRERAS MURILLO <luismiguel.contrerasmurillo@telefonica.com>
抄送: alto@ietf.org
主题: Re: [alto] Bringing operation automation cases to the list

Hi Luis,

Good summary. Please see below.

On Wed, Mar 10, 2021 at 5:18 PM LUIS MIGUEL CONTRERAS MURILLO <luismiguel.contrerasmurillo@telefonica.com<mailto:luismiguel.contrerasmurillo@telefonica.com>> wrote:
Hi all,

Apologies for the time taking to post the operation automation cases to the list.

As part of the re-charter discussion, four use cases will be considered for supporting the proposal in which respect to ALTO extensions for operation automation.

Case 1. Extensions to RFC 7971 leveraging on previous protocol extensions (e.g., cost calendar, path vector) that can make necessary new architectural and deployment considerations

RFC7971 is valuable and hence an update to include the effects of protocol extensions is highly valuable. I understand that cost calendar and path vector are examples, and other extensions such as SSE can be included and we want to make sure to do a relatively comprehensive update.
[Qin]: Another limitation of RC7971 is to lack multi-domain support. Therefore I feel multi-domain support should be also documented for this item to address limitation of ALTO deployment in RFC7971.
Case 2. Usage of ALTO for combined compute and network selection (e.g., for optimal edge computing service placement).

Does Case 2 belong to general protocol extension or operation automation?
[Qin]:I think operation automation is also required  in this case, i.e., how network information and compute information are aggregated. One thing I am not sure is whether
Whether path vector has already supported compute information? Maybe author can clarify.

Case 3. Extensions to ALTO for acting as aggregator of information from different sources (e.g., TEDB, LSP DB, etc)

Case 3 is definitely a good use case supporting operation automation.

Case 4. Overlay / underlay integration supported by ALTO (e.g., CDN).

Overlay/underlay integration can have many aspects. So the goal is to focus on the operation automation aspect? One possibility is to define operation automation broadly, including operation automation of not only ALTO but the overall system (i.e., the integrated overlay/underlay). If this is the case, we may want to specify the scope well.
[Qin]: Agree, I think this case describe ALTO interface as Network as a service interface, allow the underlay expose capability and status to the overlay, So overlay can know how to optimize the service delivery. This case looks very interesting.
Looking forward to a great discussion on Friday.

Richard

Any comment, suggestion or indication is more than welcome.

Thanks

Luis

__________________________________
Luis M. Contreras

Technology and Planning
Transport, IP and Interconnection Networks
Telefónica I+D / Global CTIO unit / Telefónica

Distrito Telefónica, Edificio Sur 3, Planta 3
28050 Madrid
España / Spain

Skype (Lync): +34 91 312 9084
Mobile: +34 680 947 650
luismiguel.contrerasmurillo@telefonica.com<mailto:luismiguel.contrerasmurillo@telefonica.com>

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| Y. Richard Yang <yry@cs.yale.edu<mailto:yry@cs.yale.edu>>   |
| Professor of Computer Science       |
| http://www.cs.yale.edu/~yry/        |
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