Re: [quicwg/base-drafts] Change PTO to be per packet number space (#3066)

Martin Thomson <notifications@github.com> Tue, 29 October 2019 23:31 UTC

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Date: Tue, 29 Oct 2019 16:31:39 -0700
From: Martin Thomson <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] Change PTO to be per packet number space (#3066)
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martinthomson commented on this pull request.



>  
 The PTO value MUST be set to at least kGranularity, to avoid the timer expiring
 immediately.
 
+A sender computes its PTO timer every time an ack-eliciting packet is sent.
+When ack-eliciting packets are in-flight in multiple packet number spaces,
+the timer MUST be set for the packet number space with the earliest timeout,
+except for ApplicationData, which MUST be ignored until the handshake
+completes (See Section 4.1.1 of {{QUIC-TLS}}).  Not arming the PTO for

How does this work with 0-RTT?  That's Application Data, but won't you want to attempt to repair on PTO?

```suggestion
completes; see Section 4.1.1 of {{QUIC-TLS}}.  Not arming the PTO for
```

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