Agreement.
group membership tracking
leader election with polling interface
leader election with callback interface
Synchronization.
barrier with explicit state setting calls
barrier with node count condition
recursive lock
non recursive lock
recursive read write lock
semaphore
wrapper for acquiring multiple locks atomically
Communication.
backwards compatible queue
ordered queue with optional item identities
queue with delayed delivery
queue with priorities
shared integer counter
shared long integer counter
Resiliency.
generic local path cache
connection loss resistant node interface
connection loss resistant node interface with keepalive
connection loss resistant watch interface