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Re: [quicwg/base-drafts] Go Back to Single Packet Number Space (#1579)

ianswett <notifications@github.com> Tue, 17 July 2018 20:44 UTC

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Date: Tue, 17 Jul 2018 20:44:21 +0000
From: ianswett <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] Go Back to Single Packet Number Space (#1579)
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If we do that, I believe we have to reopen an issue(#1018) Christian pointed out a while back, you can't tell what encryption level an acknowledgement is for, so injecting an unencrypted packet can create a hole that's very difficult to detect and you never end up recovering from.

Additionally, by acking at the highest level, it's fairly easy to send an ack the peer can't process, which is a rather nasty issue.

We'd also have to fix #1413 a different way, but that's not overly difficult, just a bit ugly.

Given the QUIC WG meeting is tomorrow morning, I'm not sure how much we can talk about this, but possibly we could get some feedback from those who've implemented it.

I've started mine, but haven't finished FYI.

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