[jdev] Re: XMPP Ping method?

Alexander Gnauck gnauck at ag-software.de
Fri Nov 3 04:21:14 CST 2006

Remko Troncon wrote:
> Not that I have experience with mobile devices, but if you use zlib, the 
> overhead of doing a ping should reduce to one byte plus a few bytes of 
> padding every call in every direction. If you do a ping every minute, 
> this bandwidth overhead is neglectable compared to the bandwidth 
> overhead of presence updates alone. If you do polling and send/receive 
> more than just the ping in one request, the impact of the extra bytes of 
> padding diminishes as well. A while ago, someone claimed that zlib on 
> mobile devices was not a good thing, but I'm not sure if there was proof 
> of that.

zlib is doing very well for me on pocket pc's and smartphones. And also 
the compression rate is very good. It's on my TODO list for a very long 
time now to post some stats. Going back to work now and do that ;-)


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