As a result , Coherence has no single point of failure and transparently fails over if a cluster member fails .
Coherence uses a specialized scalable protocol and many inexpensive computers to create a cluster which can be seamlessly expanded to add more memory , processing power or both .
Coherence has no single point of failure and transparently fails over if a cluster member fails .
Coherence uses a specialized scalable protocol and many inexpensive computers to create a cluster which can be seamlessly expanded to add more memory , processing power or both .