Hi,

On Wed, Oct 13, 2010 at 1:43 PM, Saravanan Sundaramoorthy
<dearsaravanan / gmail.com> wrote:
> how to broadcast/multicast a service over the network for clients to
> discover without any need for server IP?
>
> how to let other clients discover the service from a server, without the
> client requiring the IP address of the server, similar to DHCP IP
> acquiring.
>
> is there any other easy way?

there is DNSSD (http://www.dns-sd.org/), see if something below fits your needs:
http://dnssd.rubyforge.org/dnssd/
http://github.com/lachie/zeroconf
http://drnicwilliams.com/2008/06/18/what-is-gitjour-gemjour-starjour/

zoran
-- 
Human by day user by night