Mike Miller [http://community.jboss.org/people/mikemil] replied to the 
discussion

"MDBs using RemoteJMSProvider seem to stop under large number of MDBs"

To view the discussion, visit: http://community.jboss.org/message/552627#552627

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fyi... for anyone that may find my initial post:

I think we have worked thru our problem, which at this point we will  
categorize as 'bad architecture'.   We had a hub & spoke  architecture with 
over 800 spokes.  The hub had a remote MDB pointing to  each spoke and each 
spoke had an remote MDB pointing to the hub.   The  main problem mostly at the 
hub - using Messaging w/Remoting bisocket -  this meant that, if all spokes 
were connected to the hub, we ended up  with over 2400 threads (800 hubs each 
getting a Connection Consumer  thread, along with 2 separate control socket 
thread (firewall between  hub and spokes)) along with everything else our hub 
server was trying to  do.

Data  flowed correctly for some time, then things appeared to break and  
apparently we were getting networking problems on port 4457.    We have  
changed our architecture to no longer use the remote MDBs and seem to be  much 
more stable.

Not sure exactly what in the flow was broken but things  are much more stable 
w/o the remote mdbs - may just too many remote  mdbs....

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