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Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Valentin V. Bartenev
March 18, 2015 10:46AM
On Wednesday 18 March 2015 04:32:55 Mark Mielke wrote:
> I think the ability to "push" content,and prioritize requests are examples
> of capabilities that might require intelligence upstream, and therefore a
> requirement to proxy HTTP/2 upstream.

"Server push" doesn't require HTTP/2 for upstream connection.

Upstreams don't request content, instead they return it, so there's nothing
to prioritize from the upstream point of view.


> However, I expect much of this is
> still theoretical at this point, and until there are actually upstream
> servers that are providing effective capabilities here, HTTP/1.1 will
> perform just as good as HTTP/2?

HTTP/1.1 actually can perform better than HTTP/2.

HTTP/1.1 has less overhead by default (since it doesn't introduce another
framing layer and another flow control over TCP), and it also uses more
connections, which means more TCP window, more socket buffers and less
impact from packet loss.

There's almost no reason for HTTP/2 to perform better unless you're doing
many handshakes over high latency network or sending hundreds of kilobytes
of headers.

wbr, Valentin V. Bartenev

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Subject Author Posted

Google dumps SPDY in favour of HTTP/2, any plans for nginx?

mex February 10, 2015 06:25PM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Ilya Grigorik February 10, 2015 07:40PM

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Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Maxim Dounin March 17, 2015 10:44AM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Mel Pilgrim March 27, 2015 05:34PM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Valentin V. Bartenev March 17, 2015 06:34PM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Rainer Duffner March 17, 2015 06:38PM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

alexandru.eftimie March 18, 2015 04:29AM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Mark Mielke March 18, 2015 04:34AM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Valentin V. Bartenev March 18, 2015 10:46AM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Mark Mielke March 18, 2015 07:12PM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

Valentin V. Bartenev March 19, 2015 10:20AM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

George March 28, 2015 04:27PM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

sarahnovotny March 29, 2015 05:26PM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

George April 01, 2015 02:39AM

Re: Google dumps SPDY in favour of HTTP/2, any plans for nginx?

sarahnovotny April 01, 2015 06:16PM



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