The service provider has the following VPLS requirements.
A PE must learn dynamically remote PEs that are members of the same VPLS domain. The VPLS signaling must be in a point-to-multipoint fashion way according to RFC 4761 (Kompella).
Which feature must be enabled to meet these requirements?
A. LDP signaling
B. BGP signaling
C. RSVP signaling
D. RSVP auto discovery
E. LDP auto discovery
