The cisco asr 900 series rsp modules contain separate control plane and data plane components. These include the main control plane cpu for the cisco ios software operating system and platform control software. The data-plane packet processing and traffic management is performed by the carrier ethernet application-specific integrated circuit asic .Carrier ethernet asicdelivers essential carrier ethernet technologies such as hierarchical quality of service hqos , ipv4, ipv6, mpls flex lsp, and hierarchical virtual private lan services hvpls . It provides line-rate performance and incorporates innovative traffic management capabilities while providing intelligent packet switching and routing operations.Service enhancementprovides advanced per-traffic-class metering and offer bidirectional packet-count and byte-count statistics. The service offering is enhanced with operations, administration, and maintenance oam functionality that includes layer 2 connectivity fault management cfm , ip service-level agreements ip slas for layer 3, and mpls oam.Service scaleprovides flexible service scalability in a small footprint delivering high performance and scale for point-to-point and multipoint services, accommodating the requirements from the most demanding wireline and wireless applications.Clocking and timing servicesoffers integrated support for the global navigation satellite system gnss , building integrated timing supply bits , 10 mhz, 1 pulse per second 1 pps , and time of da...