[jboss-user] JBossCache max cluster size?

My project needs to replicate data to 200-500 machines. It does not need to be transactional, and the replicated caches are read-only. If JBossCache was set up in async mode, could it handle 200-500 machines? We can use the UDP protocol, but how well does it work if you set it up for TCP? Any success or failure stories will be appreciated. Thank you much. Fred.