org.jgroups
Interfaces 
Address
ChannelFactory
ChannelListener
MembershipListener
MessageListener
Receiver
Transport
UpHandler
Classes 
BlockEvent
Channel
Event
ExitEvent
GetStateEvent
Global
Header
JChannel
JChannelFactory
Membership
MergeView
Message
ReceiverAdapter
SetStateEvent
SuspectEvent
Version
View
ViewId
Exceptions 
ChannelClosedException
ChannelException
ChannelNotConnectedException
SuspectedException
TimeoutException