Re: Consensus call for adding support for non-ack eliciting DATAGRAMs

Ryan Hamilton <rch@google.com> Wed, 08 September 2021 16:40 UTC

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From: Ryan Hamilton <rch@google.com>
Date: Wed, 8 Sep 2021 09:40:23 -0700
Message-ID: <CAJ_4DfQQLWSJO_0AEeYorDBBb4CmEccJNQDbHD9U7X3s0wUuPQ@mail.gmail.com>
Subject: Re: Consensus call for adding support for non-ack eliciting DATAGRAMs
To: Ian Swett <ianswett=40google.com@dmarc.ietf.org>
Cc: Martin Thomson <mt@lowentropy.net>, quic@ietf.org
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Well said, Ian and Martin. I agree that no change is the right outcome here.

On Wed, Sep 8, 2021 at 8:53 AM Ian Swett <ianswett=
40google.com@dmarc.ietf.org> wrote:

> Agreed, if we're going to do this, I'd like to address it in the ack
> frequency draft and not in datagram.  I also think there are valid use
> cases to not ACK stream data as well, such as Media over QUIC, where frames
> may not fit into a single QUIC packet.
>
> On Wed, Sep 8, 2021 at 8:22 AM Martin Thomson <mt@lowentropy.net> wrote:
>
>> No change is good.  It's nothing we can't fix trivially later if we find
>> that was the wrong outcome.  And getting this right, even if it were
>> needed, would be tricky. It's also not all that useful when you consider
>> that ack frequency exists as a way to manage the cost and overhead of
>> acknowledgments.
>>
>> On Wed, Sep 8, 2021, at 21:31, Lucas Pardue wrote:
>> > Hello QUIC WG,
>> >
>> > This is a consensus call for datagram issue #42 [1] - Allow a Sender to
>> > Control Datagram ACKs. The proposed resolution is to close this issue
>> > with no action.
>> >
>> > If you object to the proposal, please do so on the issue or in response
>> > to this message.
>> >
>> > The call will run for one week, closing at end of day on September 15
>> > 2021, anywhere on earth.
>> >
>> > [1] https://github.com/quicwg/datagram/issues/42
>>
>>