JGroups

JGroups is a Toolkit for Reliable Multicast Communication

JGroups supports most standard protocols in mutiple formats including:

• Transport protocols: UDP (IP Multicast), TCP, JMS
• Fragmentation of large messages
• Reliable unicast and multicast message transmission. Lost messages are retransmitted
• Failure detection: crashed members are excluded from the membership
• Ordering protocols: Atomic (all-or-none message delivery), Fifo, Causal, Total Order (sequencer or token based)
• Membership
• Encryption