tmdns implementation as a deamon

Hi,

I've been investigating mDNS implementations recently and I'm mainly
focused on service discovery.

I've tried tmdns which seems the only real deamon linux implementation
of mDNS and I ran into a bit of trouble. It seems to fail to open the
multi-cast socket:

Jul 28 10:01:33 belgarath tmdns[29971]: can not bind to device : No such device
Jul 28 10:01:33 belgarath tmdns[29971]: Could not bind to port :
Address already in use
Jul 28 10:01:33 belgarath tmdns[29971]: can not open sender socket for
eth0/224.0.0.251#5353 : Address already in use

Is there any kernel / firewall requirements regarding the use of tmdns
(I'm not used to multicasting) ?

My other question deals with service discovery. Is there any plan
regarding the possibility of having user programs connecting to tmdns
to request the advertisement of a service not defined in tmdns.service
?

Anyway, good work so far. Tmdns seems to approach the groundwork I was
looking for to perform real service discovery under linux.

Vincent Hamm


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