Horrible performance when publisher connects remotely

When I have all my subscribers, JMSserver and one
publisher running locally I am getting around 40+
events / second.
When I run my publisher on a different machine and
connect to the JMS server using the provider url
tcp:ip address:port the performance drops to 0.5
events/sec (that is one event every 2 seconds).  This
is not due to network latency.  Ideas?

Also is it possible to setup multiple servers where
the publishers/subscribers connect to their local
server and the server forwards the messages to each
other ?

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