Problems sometimes occur when distributing IPSec packets to a few machines in a Load Sharing Multicast mode cluster, even though the machines have the same source and destination IP addresses. What is the best Load Sharing method for preventing this type of problem?

A.
Load Sharing based on IP addresses, ports, and serial peripheral interfaces (SPI)

B.
Load Sharing based on SPIs only

C.
Load Sharing based on IP addresses only

D.
Load Sharing based on SPIs and ports only

E.
Load Sharing based on IP addresses and ports