Re: [sfc] Future of SFC work

["Diego R. Lopez" <[e-mail]>]

Hi,

The advantage of waiting a while before expressing my opinion is the Gyan has perfectly done so (thanks!). I fully support his opinion about continuing SFC work. And I must say I have the intention to continue being directly involved in some work of the group, as I was in the composition draft or in the PoT activities.

Be goode,

--
"Esta vez no fallaremos, Doctor Infierno"

Dr Diego R. Lopez
Telefonica I+D
https://www.linkedin.com/in/dr2lopez/

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On 16/02/2022, 04:09, "sfc on behalf of Gyan Mishra" <[e-mail]<mailto:[e-mail]> on behalf of [e-mail]<mailto:[e-mail]>> wrote:


Hi Joel, Jim & all

I would say that one measure of success of a WG is that when you do a google search, there are many scholarly articles related to SFC service plane benefits as well as vendor implementations that I know of personally with Cisco and Juniper and there maybe other vendors out there.

I think the SFC WG has garnered overall interest in the technology industry wide and it’s importance of a service plane.

Overall I would say hats off to the chairs and WG members and all the hard work  as to the success!!!

As far as commentary and involvement in drafts, that issue exists across the board as I am a member of every Routing Area WG, 54 WGs in total I would say the interest and involvement has been as well with other WGs related to personal drafts being progressed by individuals so I don’t think it’s just an issue with SFC WG.  My observation has been that whenever multiple  vendors have competing solutions they want to get to WG adoption and progression,  those are the hot ones that have tremendous interest.   As well there are hot topics and the hot topics with drafts that have all the major vendors involvement get the most feedback and of course progress quickly.  The key is garnering multi vendor interest and support to progress an idea which goes for SFC and any WG.

In my mind NFV brought about the concept of the need for service chaining of VNF instances and now SFC has broadened the use case with NSH service plane beyond NFV with physical hardware endpoints and any virtualization model.

I am in favor of expanding the scope of the WG to include in the charter any networking area that involves virtualization such as DC NVO encapsulation overlays such as VXLAN where I see Cisco and Juniper are providing their own on standardized methods service chaining that is SFC and SFC NSH independent where I think their can be tremendous benefits as well as when extending the fabric to the host being able to use SFC NSH service plane to link the SFF instances.   I think as well maybe for TEAS network slicing with 5G virtualization the underlay network slice and now incorporating SFC NSH service plane into 5G UE services network slicing NSC slice controller.  There  maybe as well for OTN L1VPN and CCAMP WGs maybe a possibility of WG charter expansion into that arena SFC NSH possible considerations.

Spring WG Segment Routing in my mind as it’s allows the ability for virtualization and abstraction of the underlay with SR-TE micro flow and macro flow path steering and it lends itself to  be a critical component of TEAS network slicing, I believe that SFC NSH service plane can really take off in that area with a myriad of use cases across the board.  I believe with the advent of SR really brings to light the criticality of SFC NSH service plane.


I would be happy to work on all existing documents being progressed that I am involved as well as working on any I am not involved, as well as with the recharger expansion, any future development new work.

Kind Regards

Gyan

On Fri, Jan 28, 2022 at 2:05 PM Joel M. Halpern <[e-mail]<mailto:[e-mail]>> wrote:
SFC Working Group:

     As part of discussing the OAM elated drafts in SFC, the chairs have
been looking at the overall working group participation.  We note that
very few people have spoken up about the issues being discussed.  For
most recent drafts we have been working to advance, it has been a lot of
work to get enough comments to justify advancement (and folks could
argue that we did not succeed.)

     We are considering various alternatives.  We could, for example,
just close the working group.
One possibility is to recharter the working group to expand the scope.
There are two related questions that we would like to hear from the
working group about this.

1) If we were to consider expanding the charter, what things would you
like to see included in it?

2) If we do recharter will you work on the existing documents, and will
you engage on documents other than the one or two you personally would
like to see included?

Thank you,
Joel and Jim

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Gyan Mishra

Network Solutions Architect

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M 301 502-1347


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