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[spec] When may clients begin processing responses?

lincoln auster lincolnauster at gmail.com

Tue Nov 23 05:38:01 GMT 2021

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Hi,

The transaction sequence in section 1.1 seems to read chronologically,
which would mean clients are not permitted to handle any of the
response until the server closes the connection.

I hadn't noticed that in my reading: it does look like incrementalprocessing/rendering might be strictly disallowed with response bodyhandling only allowed to occur after the close_notify.

Would it make sense to clarify this in the spec, maybe by changing
the last line of section 1.1 or by adding a note to section 3.4?

What's the current informal stance on clients just doing this given theambiguity in the spec? It seems a bit odd to me that the spec wouldforbid this class of client optimizations: reading the whole of aresponse into memory for processing feels like it could be a fairlywasteful operation[0].

Anyway, I'm just seconding Scot's question and asking for some broaderclarification!

--lincoln auster they/them

0: I also think it would lead to a more complex implementation in functional(-ish) languages where we can map a rendering subroutine over a TLS stream regardless of the completion of that stream, but don't quote me on that :).