How does ClusterXL Unicast mode handle new traffic?

A.
The pivot machine receives and inspects all new packets, and synchronizes the connections with other members

B.
Only the pivot machine receives all packets. It runs an algorithm to determine which member should process the packets

C.
All members receive all packets. The SmartCenter Server decides which member will process the packets. Other members simply drop the packets

D.
All cluster members process all packets, and members synchronize with each other