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- Service provider broadband
The Cisco ASR 1000 series router serves as a broadband aggregation router that terminates up to 32,000 subscriber sessions and supports features such as Session Border Controller (SBC) for voice over IP (VoIP) and video services and hardware-assisted per-user firewall for security.
- Service provider edge
The Cisco ASR 1000 series router interfaces with service provider-provisioned voice and multimedia services directly at the edge. No overlay network, network appliances, or service blades are required in this solution for lower operating expenses and flexible deployment models.
- Service provider-managed customer premise equipment
The Cisco ASR 1000 series router serves as a WAN aggregation router with high-density Gigabit Ethernet or WAN link aggregation and 10 Gigabit Ethernet uplink capabilities. Key benefits are Layer 2 and Layer 3 VPN functions and line-rate IP multicast support for triple-play (data, voice, and video).
- Enterprise WAN aggregation
The Cisco ASR 1000 series router at the WAN aggregation head-end facilitates a branch architecture that offers excellent investment protection with services and scale. Solution benefits consist of a multi-gigabit encryption rate, optimization of the WAN to route around brownouts in the service provider network to guarantee mission-critical applications.
- Enterprise Internet gateway
The Cisco ASR 1000 series router as an Internet gateway delivers multi-gigabit Cisco IOS Firewall capability in a router without the need for service blades. All firewall processing is performed in silicon by the Cisco QuantumFlow processor.
- Data monitoring
The Cisco ASR 1000 series router can capture Layer 2 through Layer 7 packet data and route it through the Layer 3 cloud to the data center. No service blades are required in this solution, which offers full packet visibility compared to IP traffic export.
The Cisco ASR 1000 series Embedded Services Processors (ESPs) are based on the innovative, industry-leading Cisco QuantumFlow processor for forwarding and queuing in silicon.
The Cisco ASR 1000 Series ESPs are responsible for the data-plane processing tasks, and all network traffic flows through them. The modules perform all baseline packet routing operations, including MAC classification, Layer 2 and Layer 3 forwarding, Quality-of-Service (QoS) classification, policing and shaping, security access control lists (ACLs), VPNs, load balancing, and NetFlow. They are also responsible for features such as firewalls, intrusion prevention, Network-Based Application Recognition (NBAR), Network Address Translation (NAT), and Cisco IOS flexible pattern matching.