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Re: [Idr] WG LC - draft-ietf-idr-flowspec-nvo3-12 - Technology only (2/4/2020 to 2/18/2020).

Donald Eastlake <d3e3e3@gmail.com> Wed, 10 February 2021 01:53 UTC

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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Tue, 09 Feb 2021 20:53:05 -0500
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To: Susan Hares <shares@ndzh.com>
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Subject: Re: [Idr] WG LC - draft-ietf-idr-flowspec-nvo3-12 - Technology only (2/4/2020 to 2/18/2020).
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Hi,

I am a co-author and support approval of this draft for standards
track publication. See below

On Thu, Feb 4, 2021 at 10:52 AM Susan Hares <shares@ndzh.com> wrote:
> Greetings:
>
> This begins a modified draft-ietf-idr-flowspec-nvo3-12.txt.
>
>
> It is a modified WG LC because:
>
> 1) the WG still has to discussion where we make the cutoff for flow-specification v2,
> 2) there are no implementation for this WG LC
>
>
> This WG LC should examine the following things:
>
> 1.) Does WG to standardize this technology with the IPR Statement (which appeared in 5/8/2020 after a modification of the draft)?

Yes. (Note this is the same situation as with
draft-ietf-idr-flowspec-l2vpn which has already been approved by the
WG).

> 2) Is this approach to flow-specification for tunnels ready for standardization?

I believe so.

> 3) Would this technology inter-work with tunnels created by draft-ietf-idr-tunnel-encap-22.txt?

I have reviewed draft-ietf-idr-tunnel-encap-22.txt. It is not clear to
me how idr-flowspec-nvo3 draft could fail to "inter-work" with the
idr-tunnel-encap draft. idr-tunnel-encap specifies an attribute and
community to invoke tunneling for certain traffic. idr-flowspec-nvo3
specifies how to match on certain tunnelled traffic and perform some
actions on such traffic.

> 4) Should this technology wait for a flow-specification v2?

The situation is pretty much the same, as far as I can see, as in RFC
8956 and draft-ietf-idr-flowspec-l2vpn. flow-specification v2 will
have to take such things into account whether or not this draft
progresses.

Thanks,
Donald
===============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 2386 Panoramic Circle, Apopka, FL 32703 USA
 d3e3e3@gmail.com

> Cheerily, Sue

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