A company has an HP Network Protector SDN Application solution that controls HP 5406R z12 switches.
Why should the network administrator ensure that HP switches use service insertion tunnels, rather than OpenFlow, to send traffic to the HP VAN SDN Controller?
A. because the service insertion tunnels provide per packet statistics
B. because the service insertion tunnels provide a higher packet_in rate
C. because the service insertion tunnels provide faster failover capabilities
D. because the service insertion tunnels provide stronger security