[zeromq-dev] Multicast and send/recv

[Martin Sustrik]

gonzalo diethelm wrote:
> Say I have many different programs running on a network, all of them
> built using 0MQ. I have been thinking about having a supervisor that
> every so often sends a "ping" message, gathers the responses from all
> programs and tells me useful information about them (starting with who
> is responding to the ping message).
> 
> Can this be done with multicast? Could I have each program do a bind on
> a multicast endpoint (probably on a separate thread) and, when receiving
> the ping message, answer back using the same endpoint / channel? The
> advantage I see about doing things this way is that each program only
> needs to know the endpoint it has to bind to, and the supervisor does
> not need to know how many programs there are (as long as all of them are
> reachable through multicast). Or is there a better way to do this?

Yes. I think using multicast for this kind of thing makes sense.

Martin