An NSX administrator wants to create a Tier-0 Gateway to support equal cost multi-path (ECMP) routing.

Which failover detection protocol must be used to meet this requirement?

A. Beacon Probing (BP)
B. Host Standby Router Protocol (HSRP)

C. Bidirectional Forwarding Detection (BFD)

D. Virtual Router Redundancy Protocol (VRRP)