The evolution of Internet Protocol (IP)−based technology, coupled with advances in core-routing technology, is changing the way telecommunications carriers deliver once disparate services to their customers. Enabled by an IP/Multiprotocol Label Switching (MPLS) technology, next-generation routers are designed to support multiple applications and services including combined voice, video and data. Core routers today harness incredible power, supporting aggregate throughput of 92 terabits and suppo