Can We Unify All These Edge Routers?

Edge routers have been an essential part of the Internet for decades, connecting access networks (enterprise LANs, mobile and broadband networks) to the global backbone. These devices often have cryptic names—MPLS VPN Provider Edge routers, S/P-Gateways in the case of mobile cellular networks, and Broadband Network Gateways (BNG) in the case of fiber networks—but they are, at their core, IP (L3) packet forwarders

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