[Standards-JIG] XMPP bandwidth compression

Ralph Meijer jabber.org at ralphm.ik.nu
Thu Jul 1 07:42:50 UTC 2004


On Thu, Jul 01, 2004 at 09:35:40AM +0200, Fabrice Desré - France Telecom R&D/MAPS/AST wrote:
> Fletcher, Boyd C. J9C534 wrote:
> >almost forgot, one of the problems with table based lookup compression for 
> >XML is that advance knowledge of the xml schema is required. this isn't 
> >practical in XMPP since the server generally has little knowledge of the 
> >schema beyond the basic tags and sending the schema at the start of the 
> >transmission is too costly.
> 
>  This is just not true. You cant have a dynamic table-based compression 
> scheme for XML that is not schema aware. Look at Fast Infoset for 
> instance (http://java.sun.com/developer/technicalArticles/xml/fastinfoset/)

So, essentially just like gzip.

-- 
Groetjes,

Ralphm



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