Re: [MMUSIC] Stephen Farrell's Discuss on draft-ietf-mmusic-msid-14: (with DISCUSS)
Harald Alvestrand <harald@alvestrand.no> Sun, 03 July 2016 08:58 UTC
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To: Stephen Farrell <stephen.farrell@cs.tcd.ie>, Alissa Cooper <alissa@cooperw.in>
References: <20160616113938.10476.41211.idtracker@ietfa.amsl.com> <547EB0D6-0F63-4334-9D06-F15C5EF607C0@cooperw.in> <5762B602.8030502@cs.tcd.ie>
From: Harald Alvestrand <harald@alvestrand.no>
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Date: Sun, 03 Jul 2016 10:58:48 +0200
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Cc: fandreas@cisco.com, mmusic-chairs@ietf.org, draft-ietf-mmusic-msid@ietf.org, IESG <iesg@ietf.org>, mmusic@ietf.org
Subject: Re: [MMUSIC] Stephen Farrell's Discuss on draft-ietf-mmusic-msid-14: (with DISCUSS)
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On 06/16/2016 04:21 PM, Stephen Farrell wrote: > > On 16/06/16 15:20, Alissa Cooper wrote: >>> On Jun 16, 2016, at 4:39 AM, Stephen Farrell <stephen.farrell@cs.tcd.ie> wrote: >>> >>> Stephen Farrell has entered the following ballot position for >>> draft-ietf-mmusic-msid-14: Discuss >>> >>> When responding, please keep the subject line intact and reply to all >>> email addresses included in the To and CC lines. (Feel free to cut this >>> introductory paragraph, however.) >>> >>> >>> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html >>> for more information about IESG DISCUSS and COMMENT positions. >>> >>> >>> The document, along with other ballot positions, can be found here: >>> https://datatracker.ietf.org/doc/draft-ietf-mmusic-msid/ >>> >>> >>> >>> ---------------------------------------------------------------------- >>> DISCUSS: >>> ---------------------------------------------------------------------- >>> >>> >>> I'm not sure that the answer to this question will require any >>> change to the document but wanted to check... >>> >>> I wondered about the privacy properties of these (and related) >>> WebRTC identifiers, esp. if they are being handled at various >>> different layers. Is there work somewhere in the WebRTC space >>> that's analysing that? For example, one concern might be that >>> msid-appdata could end up with some kind of privacy sensitive >>> value, but there's no guidance here about that and as the >>> examples use UUIDs it's not clear to me those represent nor what >>> typical values will be used. (Note: I'm not saying that I >>> believe this is a problem, I'm just checking if it's been >>> considered.) >> I wonder if adding a reference to https://www.w3.org/TR/mediacapture-streams/#dom-mediastream-id <https://www.w3.org/TR/mediacapture-streams/#dom-mediastream-id> or parroting that guidance would help. >> > That'd certainly be good enough to clear the discuss. I'd still > be interested in an answer to the general question as well, but > that'd not be blocking. Sorry for belated followup - yes, mediacapture-streams makes note of the privacy issues with IDs, and specifically recommends using UUID type 3 or 4 as a basis for generation, since these have less incidental information than other types. > > Cheers, > S. > >> Alissa >> >>> I hope that there's no reason why these can't be very ephemeral >>> values that don't identify (or help re-identification of) people >>> or their preferences, locations etc., and I'd imagine there's >>> little reason to e.g. log them. If that's the case wouldn't it >>> be useful to add such guidance (somewhere, maybe not here) >>> to help developers to do the right thing? >>> >>> >>> >>> >> -- Surveillance is pervasive. Go Dark.
- Re: [MMUSIC] Stephen Farrell's Discuss on draft-i… Harald Alvestrand
- Re: [MMUSIC] Stephen Farrell's Discuss on draft-i… Stephen Farrell
- Re: [MMUSIC] Stephen Farrell's Discuss on draft-i… Alissa Cooper
- [MMUSIC] Stephen Farrell's Discuss on draft-ietf-… Stephen Farrell