Date: Tue, 28 Jul 2020 19:34:54 -0700
From: Jana Iyengar <notifications@github.com>
Reply-To: quicwg/base-drafts
 <reply+AFTOJK6LSOUL7MUGUGEFYZN5FTAU5EVBNHHCNTMDWA@reply.github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <quicwg/base-drafts/issues/3821/665395450@github.com>
In-Reply-To: <quicwg/base-drafts/issues/3821@github.com>
References: <quicwg/base-drafts/issues/3821@github.com>
Subject: Re: [quicwg/base-drafts] Desirable behavior when it takes time to
 derive the traffic keys for the next PN space (#3821)
Mime-Version: 1.0
Content-Type: multipart/alternative;
 boundary="--==_mimepart_5f20e04eb0747_549516f81526e1";
 charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: list
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic-issues/5FHbPyyfpYQLcY2s5_i1OvRp8fk>


----==_mimepart_5f20e04eb0747_549516f81526e1
Content-Type: text/plain;
 charset=UTF-8
Content-Transfer-Encoding: 7bit

@martinthomson noted:
```
> - endpoints ignore max_ack_delay for acknowledgements of packets that
> were sent prior to handshake confirmation. Those are the ones that
> might have been buffered at the peer until keys were ready.

For this, endpoints need to retain an additional value: the highest packet number
that was sent prior to confirmation (or the lowest packet number sent after confirmation).
```

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/quicwg/base-drafts/issues/3821#issuecomment-665395450
----==_mimepart_5f20e04eb0747_549516f81526e1
Content-Type: text/html;
 charset=UTF-8
Content-Transfer-Encoding: 7bit

<p></p>
<p><a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/martinthomson/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/martinthomson">@martinthomson</a> noted:</p>
<pre><code>&gt; - endpoints ignore max_ack_delay for acknowledgements of packets that
&gt; were sent prior to handshake confirmation. Those are the ones that
&gt; might have been buffered at the peer until keys were ready.

For this, endpoints need to retain an additional value: the highest packet number
that was sent prior to confirmation (or the lowest packet number sent after confirmation).
</code></pre>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/quicwg/base-drafts/issues/3821#issuecomment-665395450">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AFTOJK6HTUEIZEWN6EAI6JTR56DE5ANCNFSM4OQWQDVA">unsubscribe</a>.<img src="https://github.com/notifications/beacon/AFTOJK2L7S42E7TJL2UA2ZLR56DE5A5CNFSM4OQWQDVKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOE6USB6Q.gif" height="1" width="1" alt="" /></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/quicwg/base-drafts/issues/3821#issuecomment-665395450",
"url": "https://github.com/quicwg/base-drafts/issues/3821#issuecomment-665395450",
"name": "View Issue"
},
"description": "View this Issue on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>
----==_mimepart_5f20e04eb0747_549516f81526e1--