Hi Malte,

On a local network, it is easy. Just broadcast on *.*.*.255. If broadcasting 
somehow doesn't work, then you can just connect to all 255 addresses over UDP. 
If your system has multiple IP addresses, use netstat or a similar command line 
utility to get all IP addresses of the local machine. If it is on the www, you 
need to find a way to hijack a port, but I don't know anyone who has actually 
done that.

--
Best regards,

Mark Schonewille

Economy-x-Talk Consulting and Software Engineering
Homepage: http://economy-x-talk.com
Twitter: http://twitter.com/xtalkprogrammer
KvK: 50277553

Use Color Converter to convert CMYK, RGB, RAL, XYZ, H.Lab and other colour 
spaces. http://www.color-converter.com

On 6 jun 2012, at 23:21, Malte Brill wrote:

> Hi all,
> 
> 
> I have a system that connects multiple clients to a database. I would like 
> all clients to receive a push notification if one of them alters stuff in the 
> DB. Anyone got an idea how to implement this? (I do have a LC server license, 
> so I could use that if necessary)
> 
> Any pointers / ideas much appreciated!
> 
> Malte



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