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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
>>
>>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:trebuche=
t ms,sans-serif">Well said, Ian and Martin. I agree that no change is the r=
ight outcome here.</div></div><br><div class=3D"gmail_quote"><div dir=3D"lt=
r" class=3D"gmail_attr">On Wed, Sep 8, 2021 at 8:53 AM Ian Swett &lt;ianswe=
tt=3D<a href=3D"mailto:40google.com@dmarc.ietf.org">40google.com@dmarc.ietf=
.org</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1=
ex"><div dir=3D"ltr">Agreed, if we&#39;re going to do this, I&#39;d like to=
 address it in the ack frequency draft and not in datagram.=C2=A0 I also th=
ink 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.</div><br><d=
iv class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Sep =
8, 2021 at 8:22 AM Martin Thomson &lt;<a href=3D"mailto:mt@lowentropy.net" =
target=3D"_blank">mt@lowentropy.net</a>&gt; wrote:<br></div><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex">No change is good.=C2=A0 It&#39;s nothin=
g we can&#39;t fix trivially later if we find that was the wrong outcome.=
=C2=A0 And getting this right, even if it were needed, would be tricky. It&=
#39;s also not all that useful when you consider that ack frequency exists =
as a way to manage the cost and overhead of acknowledgments.<br>
<br>
On Wed, Sep 8, 2021, at 21:31, Lucas Pardue wrote:<br>
&gt; Hello QUIC WG,<br>
&gt; <br>
&gt; This is a consensus call for datagram issue #42 [1] - Allow a Sender t=
o <br>
&gt; Control Datagram ACKs. The proposed resolution is to close this issue =
<br>
&gt; with no action.<br>
&gt; <br>
&gt; If you object to the proposal, please do so on the issue or in respons=
e <br>
&gt; to this message. <br>
&gt; <br>
&gt; The call will run for one week, closing at end of day on September 15 =
<br>
&gt; 2021, anywhere on earth.<br>
&gt; <br>
&gt; [1] <a href=3D"https://github.com/quicwg/datagram/issues/42" rel=3D"no=
referrer" target=3D"_blank">https://github.com/quicwg/datagram/issues/42</a=
><br>
<br>
</blockquote></div>
</blockquote></div>

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