Which WAN connectivity technology is always configured in a hub-and-spoke topology?

The Cisco Dynamic Multipoint Virtual Private Network (DMVPN) is always configured in a hub-and-spoke topology. The central router creates a multiport GRE connection between all of the branch routers. IPsec uses a point-to-point topology for connectivity. MPLS and Metro Ethernet use a point-to-point or point-to-multipoint topology for connectivity.