The Cisco® ASR 9000 Series SPA Interface Processor (SIP) extends the unprecedented scale and flexibility of Cisco's flagship edge router. The Cisco ASR 9000 Series represent an exciting new paradigm in the world of routing with exceptional Layer 2 and Layer 3 scalability, carrier-class reliability, environmentally conscious design, incredible flexibility, and an enticing new price-to-performance benchmark. Cisco ASR 9000 Series routers are designed to provide true carrier-class reliability using the Cisco IOS® XR operating system, comprehensive system redundancy, and a full complement of network resiliency schemes. The Cisco ASR 9000 Series also offers service- and application-level intelligence focused on optimized video delivery and mobile aggregation. Finally, the Cisco ASR 9000 Series is designed to simplify and enhance the operational and deployment aspects of service-delivery networks.