Which multihoming solution allows for high availability and load sharing of traffic?
A . Requesting a PA prefix from the connecting service providers and advertising both through BGP
B . Requesting a PI prefix from the regional registrar and advertising the prefix to connecting service providers
C . Implementing SHIM6 on WAN routers
D . Implementing LISP on WAN routers as xTR, which registers with the service providers’ Map
Server and Map Resolver
Answer: B