[zeromq-dev] 0MQ Pubsub vs XMPP Pubsub (Martin Sustrik)

Martin Sustrik sustrik at 250bpm.com
Sun Apr 25 23:30:47 CEST 2010

Bhavin Turakhia wrote:

>>> to a publisher because new messages have been published.
>> How does XMPP pubsub interact with firewalls?
> XMPP pubsub merely pushes the message out to the server on which the user is
> connected, so it does not encounter firewalls. It is a server to server
> push. It is then the job of the server to which the user is connected to
> push it out to the actual user 

OK, got it. AFAIU it has to do with endpoint location, no? The server 
has to find out where the message is intended to go, somehow resolve the 
address to connect to and send the message that way.

Have a look at the parallel thread ("RPC design pattern") where location 
issues are being discussed.


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