Re: [hybi] permessage-deflate and missing asymmetric configurations

Was the idea of having compression level as a configurable ever on the
table?
Then we could simply state a compression level of 0, which would still
create the deflate blocks, but do no real work or effort to compress.

As for having the endpoint code control behavior inside of an extension,
that seems difficult to control or expose.
For example: do we even have the ability, in javascript on the browser, to
control the extensions that are offered? or interrogate the open connection
to know what extensions have been negotiated?

--
Joakim Erdfelt <joakim@intalio.com>
webtide.com <http://www.webtide.com/> - intalio.com/jetty
Expert advice, services and support from from the Jetty & CometD experts
eclipse.org/jetty - cometd.org

On Wed, Oct 9, 2013 at 12:34 PM, Peter Thorson <webmaster@zaphoyd.com>wrote:

> The spec allows disabling compression on a per message basis. To do what
> you describe a server could simply negotiate compression per the client's
> request then not send any compressed frames or create any compression
> contexts for itself.
>
> There may be some additional resource savings possible if an endpoint
> knows it will never receive a compressed message. That should be considered
> at least.
>
> On Oct 9, 2013, at 13:48 , Joakim Erdfelt <joakim@intalio.com> wrote:
>
> One important aspect missing from the asymmetric configurations for
> permessage-deflate is the lack of disabling the compression.
>
> It would be ideal to allow an asymmetric connection where, for example the
> client is talking compressed, but the server is not. (or vice versa)
>
> Why is this feature not present in the spec?
>
>
> --
> Joakim Erdfelt <joakim@intalio.com>
> webtide.com <http://www.webtide.com/> - intalio.com/jetty
> Expert advice, services and support from from the Jetty & CometD experts
> eclipse.org/jetty - cometd.org
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