Cisco ASR 900 Series Aggregation Services Routers are built for remote central office and smaller aggregation sites to meet service provider requirements for Carrier Ethernet aggregation. By supporting thousands of subscribers quality of service, synchronous Ethernet and IEEE 1588, delivering Layer 2, IP, and MPLS transport for advanced L2VPN, L3VPN, and multicast services, they help you to get redundancy, a shallow depth, low power consumption, and high service scale in routers packed.