[PATCH] SPDY/3.1 protocol implementation
Valentin V. Bartenev
vbart at nginx.com
Mon Jan 27 23:21:45 UTC 2014
On Tuesday 28 January 2014 02:37:12 Valentin V. Bartenev wrote:
[..]
> [..]
> > Also, it seems that receiving window size is hardcoded to 2GBs, which
> > makes flow control (which main point was to protect against single
> > stream, for example big POST upload, taking over whole SPDY
> > connection) totally useless. This value should be configureable or at
> > the very least set to something much more reasonable than 2GBs.
>
> No, it's actually browser's will to properly prioritize POST requests.
>
> The receiving flow control has two uses for server:
>
> 1. Preventing buffer bloat. But it's not our case since
> nginx currently supports only buffered uploads, and
> buffers the whole request body anyway.
>
> 2. It rather subcase of 1: preventing client from sending
> data till the moment when we actually need the body,
> (i.e. ngx_http_read_client_request_body() is called).
[..]
Well, probably the third use case is upload rate limiting, but nginx currently
also doesn't have one.
wbr, Valentin V. Bartenev
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