Inter-AS Seamless MPLS+HVPN Control plane    Deploy routing protocols :  Figure 1, Deploying routing protocols for the inter-AS seamless MPLS+HVPN networking As shown in Figure 1, routing protocols are deployed on devices as follows: An IGP (IS-IS or OSPF) is enabled on devices at each of the access, aggregation, and core layers to implement intra-AS connectivity. …