The Cisco ASR 1006 Router in a 6-rack unit (RU) form factor is the most flexible edge routing solution in the Cisco ASR 1000 Series. It supports:
Running on Cisco IOS XE Software, the Cisco ASR 1006 router supports hardware redundancy and in-service software upgrades (ISSU).
IDC White Paper: The Next-Generation Enterprise WAN Aggregation Router (PDF - 190 KB)
This IDC white paper addresses the growing demands on the enterprise WAN, changing roles of the WAN head-end router, and key challenges to management
Tried and Proven: Test Report (PDF - 189 KB)
Isocore says the Cisco ASR 1000 Series delivers high-performance, scalable edge services for enterprises and service providers.