Re: [rtcweb] STUN DSCP and draft-ietf-tsvwg-rtcweb-qos

Justin Uberti <juberti@google.com> Wed, 31 July 2019 04:38 UTC

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From: Justin Uberti <juberti@google.com>
Date: Tue, 30 Jul 2019 21:38:30 -0700
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To: Matthew Kaufman <mkaufman@bluejeans.com>
Cc: "tsvwg@ietf.org" <tsvwg@ietf.org>, "rtcweb@ietf.org" <rtcweb@ietf.org>
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Subject: Re: [rtcweb] STUN DSCP and draft-ietf-tsvwg-rtcweb-qos
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I had thought this was already covered in
https://tools.ietf.org/html/rfc5245#section-7.1.2.4, which basically says
exactly what you are asking for.

On Tue, Jul 30, 2019 at 9:09 PM Matthew Kaufman <mkaufman@bluejeans.com>
wrote:

> Was chasing down some webrtc rabbit holes today, and came across the
> following concern:
>
>
>
> draft-ietf-tsvwg-rtcweb-qos has exactly zero language about how the STUN
> packets should be marked for ICE negotiation. The issue is mentioned in
> draft-ietf-rtcweb-stun-consent-freshness, but I believe that the rtcweb-qos
> document should be the reference to how an rtcweb transport author should
> be setting DiffServ markings.
>
>
>
> Also, there was a great conversation on the topic back in 2014 that
> unfortunately seems to have petered out before a resolution to some obvious
> open issues:
> https://mailarchive.ietf.org/arch/browse/rtcweb/?gbt=1&index=HH0qztqt4UtfZdpuxHTVcg7hZdE
>
>
>
> Would be great to finish the conversation before finalizing the
> specification for how to mark these.
>
>
>
> Personally I’m in the “ICE is testing connectivity, so STUN must be marked
> exactly the same as corresponding media” camp.
>
>
>
> Matthew Kaufman
> _______________________________________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb
>