[Standards] binary XML (was: Re: [jdev] Google Androïd SDK not XMPP compliant ?)

Michael Laukner laukner at googlemail.com
Thu Feb 14 19:52:55 UTC 2008

We have tested XMPP (with zlib compression) over radio links (<9.6 kB) and
found that chat is not too bad. The biggest problem was the TCP connection
and SASL authentication (too many handshakes). It takes up to 3 minutes to
connect/reconnect which is not acceptable.


On Thu, Feb 14, 2008 at 8:30 PM, Peter Saint-Andre <stpeter at stpeter.im>

> Alexander Gnauck wrote:
> > Fabio Forno schrieb:
> >
> >> ...
> >> - compression is not as bad as I thought and if time to market is
> >> essential that's the only viable solution
> > see also my comments in the jdev thread, I think we should all hop one
> > one thread ;-)
> > http://mail.jabber.org/pipermail/jdev/2008-February/026157.html
> >
> > I have done lots of mobile programming and tests in the past. And it
> > really performs very well. ZLib does not need much CPU and the
> > compression ratio with XMPP XML is amazing.
> IMHO we'll never get people to stop thinking that XML is verbose. It's
> one of those memes that will never go away.
> > When somebody wants to have this binary Xml, which I think is not a bad
> > idea, then plug it into XEP-0138.
> Correct. Boyd Fletcher volunteered to write the small spec for this
> (basically just like XEP-0229 except defining the use of binary XML),
> but nothing has been submitted yet.
> Peter
> --
> Peter Saint-Andre
> https://stpeter.im/
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