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 supporting speeds up to OC-768.
Given the advances in core router technology and their important role in
the telecommunications architecture, the ability to non-intrusively monitor
performance across every type of core router application is key to isolating
problems, maintaining service levels and mitigating risks....