On Fri, 11 Dec 2015, Lucas Pardue wrote:
I agree with the extra size (although it is all relative) but are there really additional round-trips?
Eh, sorry that wasn't very clear of me. It isn't necessarily *extra* round-trips, but it may require a few round-trips before HTTP/2 is finally used. Like for example many HTTP/2 servers don't do the upgrade on POST.
I've been trying to find the time to look at 'h2c prior knowledge' in curl/libcurl, still some way to go. Prior knowledge avoids upgrade overhead but would need an option to signal usage, I think the new argument creates a pathway for such an option.
I think you're right. Once this goes in, I think we can have a look at adding another option and do prior-knowledge that way.
(I have the code mostly done for 2TLS, I just fell over a test failure I need to sort out before I land this.)
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