The cisco asr 9000 series aggregation services routers asr 9000 series represent an exciting new paradigm in edge and core routing. With exceptional scalability. Carrier-class reliability. Environmentally conscious design. Incredible flexibility. And an attractive price-to-performance benchmark. The cisco asr 9000 series has a wide product portfolio figure 1 . Ranging from the cisco asr 9001 2 rack units 2ru to the cisco asr 9922 44ru . With each system 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. Finally. The cisco asr 9000 series is designed to simplify and enhance the operational and deployment aspects of service-delivery networks.