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Re: [Ice] Review of draft-holmberg-ice-pac-01

Justin Uberti <juberti@google.com> Thu, 18 April 2019 21:51 UTC

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From: Justin Uberti <juberti@google.com>
Date: Thu, 18 Apr 2019 14:51:12 -0700
Message-ID: <CAOJ7v-1+h3mJbQtL1YD9PQduAwqRWzxdP+B2j6UdmCuh_MBieQ@mail.gmail.com>
To: Christer Holmberg <christer.holmberg@ericsson.com>
Cc: Qingsi Wang <qingsi=40google.com@dmarc.ietf.org>, "ice@ietf.org" <ice@ietf.org>
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Subject: Re: [Ice] Review of draft-holmberg-ice-pac-01
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Tracking this in https://github.com/cdh4u/draft-ice-pac/issues/10

On Thu, Apr 18, 2019 at 2:50 PM Justin Uberti <juberti@google.com> wrote:

> Note that the app can always decide to declare failure at any point and
> invoke an ICE restart.
>
> On Sun, Mar 31, 2019 at 1:12 AM Christer Holmberg <
> christer.holmberg@ericsson.com> wrote:
>
>> Hi,
>>
>>
>>
>> Doing an ICE restart means you have to collect and exchange candidates
>> again. Of course one can do that once ICE failure has been declared, and
>> nothing prevents one from doing an ICE restart after that if one thinks the
>> result will be different. But, the focus of the draft is not to declare ICE
>> failure while working candidates may still arrive.
>>
>>
>>
>> Having said that, one should of course not wait forever for the peer
>> reflexive candidates. The draft will not mandate a specific time value, but
>> there probably will be a little more text about things to take into
>> consideration when determining how long to wait.
>>
>>
>>
>> Regards,
>>
>>
>>
>> Christer
>>
>>
>>
>> *From: *Ice <ice-bounces@ietf.org> on behalf of Qingsi Wang <qingsi=
>> 40google.com@dmarc.ietf.org>
>> *Date: *Saturday, 30 March 2019 at 3.05
>> *To: *"ice@ietf.org" <ice@ietf.org>
>> *Subject: *[Ice] Review of draft-holmberg-ice-pac-01
>>
>>
>>
>> If all available candidate pairs have either performed triggered checks
>> or sent check response, but have timed out their checks however, should we
>> cancel the timer and conclude a failure? The rationale is to wait for
>> inbound checks, but if at least one round of checks are received, it's
>> unclear to me if the waiting would benefit compared to allowing the app
>> trigger an ICE restart after firing an failure.
>>
>>
>>
>> The rest looks good to me.
>>
>>
>>
>> Best,
>>
>> Qingsi
>> _______________________________________________
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>>
>

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