multicast is not allowed in the data center that will host our application. According to the documentation if our product is not hosted on EC2, there' s no possibility to avoid multicast.
Is it possible to configure a cluster in distributed mode with unicast for members discovery ?
Of course you can. Just use one of the alternative discovery protocols available in JGroups:http://www.jgroups.org/manual-3.x/html/protlist.html#DiscoveryProtocols
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