Re: New Version Notification for draft-thomson-http-replay-00.txt

On 25 July 2017 at 15:22, Willy Tarreau <> wrote:
>> There's probably some way that we can describe rules for retrying at the
>> intermediary.  It does save a round trip between the user agent and
>> intermediary, and there is some potential value in having intermediaries
>> repair things.  But we lose some of the nicer end-to-end properties by
>> doing so.
> In fact I think there are some situations where it can safely be done,
> specifically if the request was received as 1-RTT, or if the handshake
> was completed in the mean time because it then becomes equivalent.

Those are probably both cases where retries are inappropriate.

If the request arrives over 1-RTT, the intermediary probably shouldn't
be using 0-RTT.

If the connection was completed since the 0-RTT attempt was made, that
doesn't mean that it wasn't replayed already elsewhere.

Received on Tuesday, 25 July 2017 05:55:40 UTC