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Re: [Cellar] Robert Wilton's No Objection on draft-ietf-cellar-ffv1-17: (with COMMENT)

"Rob Wilton (rwilton)" <rwilton@cisco.com> Thu, 08 October 2020 10:40 UTC

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From: "Rob Wilton (rwilton)" <rwilton@cisco.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>, The IESG <iesg@ietf.org>, "draft-ietf-cellar-ffv1@ietf.org" <draft-ietf-cellar-ffv1@ietf.org>, "cellar-chairs@ietf.org" <cellar-chairs@ietf.org>, Codec Encoding for LossLess Archiving and Realtime transmission <cellar@ietf.org>, "Peter B." <pb@das-werkstatt.com>
Thread-Topic: Robert Wilton's No Objection on draft-ietf-cellar-ffv1-17: (with COMMENT)
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Date: Thu, 08 Oct 2020 10:40:09 +0000
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Subject: Re: [Cellar] Robert Wilton's No Objection on draft-ietf-cellar-ffv1-17: (with COMMENT)
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Hi Michael, Spencer,

So, the reason that I asked the question as to whether this document would end up historical was to try and gauge how important it is for this specification to be generally implementable.

Personally, I would find this specification very hard to implement correctly in an interoperable way.  However, I don't have any expertise in video codecs, and if I did then perhaps this specification would be sufficient, it is hard to judge.  However, if this document is primarily intended to act as a historical record for existing FFV1 implementations, with the main focus being on a standards track FFV1 version 4, then the fact that parts of this document are a bit opaque may not really be important in the longer term, particularly if the FFV1 v4 specification is more accessible.

Hopefully that clarifies the purpose of my question.

Regards,
Rob


> -----Original Message-----
> From: iesg <iesg-bounces@ietf.org> On Behalf Of Michael Richardson
> Sent: 07 October 2020 19:40
> To: Rob Wilton (rwilton) <rwilton@cisco.com>; The IESG <iesg@ietf.org>;
> draft-ietf-cellar-ffv1@ietf.org; cellar-chairs@ietf.org; Codec Encoding
> for LossLess Archiving and Realtime transmission <cellar@ietf.org>; Peter
> B. <pb@das-werkstatt.com>
> Subject: Re: Robert Wilton's No Objection on draft-ietf-cellar-ffv1-17:
> (with COMMENT)
> 
> 
> Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com> wrote:
>     > Questions of what's obsoleted, or declared Historic, or otherwise
> done
>     > to FFV1 version 0, 1 and 3, would be decided by the working group,
> AD,
>     > and IESG when FFV1 version 4 is in IESG Evaluation, I think?
> 
> I understood that FFV1 version 0/1/3 was Informational.
> I guess it could be marked Historic by the IESG at some point.
> I didn't think that time would be when FFV1 v4 was published, but sure.
> 
> I thought that this was even in our charter somewhere, so I'm confused by
> this thread.
> 
> This follows the pattern of publishing an RFC that is not within IETF
> revision control that documents "current practice", and then publishing an
> RFC on standards track, that is within IETF revision control.
> 
> Here "revision control" means we can change the bits-in-the-wire
> (or in the file) in incompatible ways.
> 
> 
> --
> Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
>            Sandelman Software Works Inc, Ottawa and Worldwide
> 
> 
>

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