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Re: enumerate packets not to ack?

Jana Iyengar <jri@google.com> Wed, 31 May 2017 18:57 UTC

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From: Jana Iyengar <jri@google.com>
Date: Wed, 31 May 2017 11:57:55 -0700
Message-ID: <CAGD1bZZPAU51+S4s+ywLyxzTo5_DFtbOn2NFFs3-SSXcw9b=3g@mail.gmail.com>
Subject: Re: enumerate packets not to ack?
To: Patrick McManus <pmcmanus@mozilla.com>
Cc: IETF QUIC WG <quic@ietf.org>
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Section 9 says acks must not generate acks, but this is a gap. We should
enumerate the packet types (and perhaps frame types too) that must not
generate acks. I've filed #563
<https://github.com/quicwg/base-drafts/issues/563>.


On Wed, May 31, 2017 at 11:28 AM, Patrick McManus <pmcmanus@mozilla.com>
wrote:

> Quic-Friends,
>
> It seems clear that Version Negotiation and Server Stateless Retry packets
> should not be acknowledged (afterall they cannot be retransmitted, and they
> use packet numbers not generated by the sender).. but I can't find any text
> that says this. Am I missing it, should we add it, other?
>
> I guess I'm particularly concerned about interop running into "The sender
> MUST close the connection if an unsent packet number is acknowledged" if
> acks are sent here..
>
> -P
>
>

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