[jdev] Zlib compression

Peter Saint-Andre stpeter at jabber.org
Thu Dec 1 11:31:52 CST 2005


Stephen Pendleton wrote:

> As you can see, you can specify a compression level, a compression method,
> and a deflation method. Since the stream compression JEP doesn't specify the
> inclusion of feature negotiations, how are implementors handling this?
> Currently I use default values for the level and compression/decompression
> methods and it works fine. 

We talked about this a bit in the last Council meeting:

http://www.jabber.org/council/meetings/agendas/2005-11-30.html
http://www.jabber.org/muc-logs/council@conference.jabber.org/2005-11-30.html

Also, the provisional version 1.1 of the JEP that I'm working on does 
include the ability to do feature negotiation:

http://www.jabber.org/jeps/tmp/jep-0138-1.1.html

It's not yet clear to me exactly what needs to be negotiated, for 
instance in the Council meeting Ralph Meijer suggested that it's not 
necessary to negotiate the compression levels, but others know more 
about that than I do. :-)

Peter

-- 
Peter Saint-Andre
Jabber Software Foundation
http://www.jabber.org/people/stpeter.shtml
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