Re: [Teas] WG Adoption poll - draft-nsdt-teas-ns-framework-05

Gyan Mishra <hayabusagsm@gmail.com> Wed, 10 February 2021 03:35 UTC

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From: Gyan Mishra <hayabusagsm@gmail.com>
Date: Tue, 9 Feb 2021 22:35:12 -0500
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To: Jeff Tantsura <jefftant.ietf@gmail.com>
Cc: TEAS WG <teas@ietf.org>, TEAS WG Chairs <teas-chairs@ietf.org>, Vishnu Pavan Beeram <vishnupavan@gmail.com>
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Subject: Re: [Teas] WG Adoption poll - draft-nsdt-teas-ns-framework-05
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I do feel as Jeff stated the draft is ready as-is for adoption, however the
issues Luis brought up for operators is an important issue related to inter
operator trust relationships related to slicing.  I don’t think that is a
significant issue as slicing in general is with RAN xHaul to core within
the providers network as once a soft handoff happens with wireless provider
being a internet service provider the slice framework can continue through
the service provider network.  The end to end slice framework is more
complicated and that is what Luis is alluding to which inter provider trust
and ns slice end to end.

In that regards even the basic concept of end to end QOS interoperability
does not exist between internet providers and that has been a inherent
pitfall for multicast over the internet using UDP which requires end to end
QOS.  So those same issues that exist with trust and coordination of QOS
policies that have existed Day 1 QOS  will definitely have that same trust
complexity for end to end network slicing over the internet.

>From an operators perspective what is in scope for network slicing is 3GPP
UI RAN xHaul to core within the operators network and once the packet
leaves the operators network goes from Verizon to Century link the slice
policy terminate at the tier 1 peering point.  I think the inter operator
network slicing is out of scope as that is more like a huge elephant in the
room to tackle and maybe better suited for GROW.

Kind Regards

Gyan

On Mon, Feb 8, 2021 at 11:00 PM Jeff Tantsura <jefftant.ietf@gmail.com>
wrote:

> I support the adoption, Luis brought a number of important points that
> need to be addressed, however I don’t think this should stop the adoption.
>
> Cheers,
> Jeff
> On Feb 4, 2021, 5:43 AM -0800, Vishnu Pavan Beeram <vishnupavan@gmail.com>om>,
> wrote:
>
> All,
>
> This is start of a *two* week poll on making
> draft-nsdt-teas-ns-framework-05 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.
>
> The poll ends February 18th.
>
> Thank you,
> Pavan and Lou
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*Gyan Mishra*

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