Re: [rtcweb] IP handling: Using mDNS names for host candidates

youenn fablet <youennf@gmail.com> Tue, 03 July 2018 15:54 UTC

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From: youenn fablet <youennf@gmail.com>
Date: Tue, 03 Jul 2018 08:53:58 -0700
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To: westhawk <thp@westhawk.co.uk>
Cc: Justin Uberti <juberti=40google.com@dmarc.ietf.org>, RTCWeb IETF <rtcweb@ietf.org>
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Subject: Re: [rtcweb] IP handling: Using mDNS names for host candidates
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If GUM is not used at least once for the lifetime of the page, WebKit is
currently using mode 3.

There is the possibility for a user to grant persistent access to
camera/microphone for an origin through Safari UI.
In that case, the user will no longer be prompted for any page of that
origin.
Mode 2 could be used by default for these pages since user actually opted
in.

Le mar. 3 juil. 2018 à 02:18, westhawk <thp@westhawk.co.uk> a écrit :

> Slightly off topic - but if an origin was permissioned once but does not
> do GUM on this particular
> page, which ruleset applies ?
>
> On 3 Jul 2018, at 00:08, Justin Uberti <
> juberti=40google.com@dmarc.ietf.org> wrote:
>
> That's the approach we plan to take in Chrome. There is a substantial
> amount of datachannel traffic, and a quick calculation suggests that most
> of that is non-permissioned, so we should be able to measure the effects of
> this change.
>
> On Sat, Jun 30, 2018 at 5:44 AM Eric Rescorla <ekr@rtfm.com> wrote:
>
>> I haven't thought about it too much, but I think that I would probably do
>> is an A/B test where I randomly set clients to this strategy or the current
>> strategy and measured success rates, time to connect, and (maybe) some sort
>> of call quality stat. It's not going to be easy because I don't know how
>> much non-permissioned WebRTC there is in the wild.
>> -Ekr
>>
>>
>> On Fri, Jun 29, 2018 at 6:06 PM, youenn fablet <youennf@gmail.com> wrote:
>>
>>> A draft describing the Safari/WebKit approach is available at
>>> https://www.ietf.org/id/draft-mdns-ice-candidates-00.txt
>>>
>>> Eric, can you precise the kind of information you would like to have?
>>> Some testing has been done to validate the approach but I do not think
>>> this is representative of the actual state of the affair. Safari/WebKit is
>>> not gathering any related statistic.
>>>
>>>    Y
>>>
>>> Le ven. 29 juin 2018 à 11:10, Justin Uberti <juberti=
>>> 40google.com@dmarc.ietf.org> a écrit :
>>>
>>>> I believe such data will be forthcoming from the Safari team. We are
>>>> also working on this.
>>>>
>>>> On Fri, Jun 29, 2018 at 7:03 AM Eric Rescorla <ekr@rtfm.com> wrote:
>>>>
>>>>> It seems like this is something one could A/B test and measure
>>>>> connection rates. Has someone done so?
>>>>>
>>>>> -Ekr
>>>>>
>>>>
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