Core Networks

Intelligent IP Core Networks

Learn how modern business and consumer services are increasing the need for more intelligent IP core networks. (3:11 min)

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Simplify Core Networks
Today’s customers expect more from service providers. In addition to traditional connectivity services, customers demand video, voice, VPNs, and IP-rich media content delivery. To meet these demands while controlling costs and optimizing efficiency, you need to converge your core network infrastructure to a Cisco IP Next-Generation Network (IP NGN).

The Cisco IP NGN:

  • Simplifies architecture for core networks
  • Reduces capital and operating expenses
  • Helps you deliver current services more efficiently
  • Provides scalability and capacity for exponentially growing, bandwidth-intensive broadband services

By adopting a Cisco IP NGN framework with an intelligent, scalable Cisco IP/MPLS core routing solution, you can realize the full benefit of next-generation services.

Carrier Routing System for Core Networks
The Cisco CRS-1 Carrier Routing System, with up to 92 terabits per second of switching capacity, provides core IP/MPLS routing capabilities for converged packet infrastructures. The Cisco CRS-1 employs Cisco IOS XR, the industry's first fully distributed operating system, for core networks that deliver:

  • Scalability
  • Continuous system operation
  • Service flexibility

You can scale a single system for the massive demands of new services and consolidate your POP architecture by collapsing your core network and using peering and aggregation routing tiers.

IP over DWDM in Core Networks
The Cisco CRS-1 Carrier Routing System converges IP intelligence with dense wavelength-division multiplexing (IPoDWDM) transport technology. With the industry's first terabit IP routing platform, it supports ITU-compliant tunable optical wavelengths, reducing capital expenses in core networks.

Now the Cisco CRS-1 also includes 40-Gbps interfaces that extend optical wavelengths to 2000 kilometers and beyond with Cisco Raman amplification technology. By providing the capacity of multiple lower-speed wavelengths in a single, DWDM-ready, 40-Gbps wavelength, you can eliminate many regeneration sites and optimize fiber use.

The reach and scalability of Cisco IPoDWDM make it ideal for core networks in emerging markets with urban centers separated by vast geographies, or any environment requiring high scalability and low overhead.

Core Networks with Multichassis Capability
The Cisco CRS-1 provides massive scalability. With the fully distributed Cisco IOS XR operating system, this multichassis solution allows carriers to add capacity without disrupting existing operations.

This solution features hardware and software separation of resources for forwarding, control, and management integrated within a single multichassis system on a core network. It also provides carriers with tremendous reliability and flexibility to manage core network growth.

Cisco IPoDWDM in Core Networks - Click to Enlarge
Cisco IPoDWDM in Core Networks
Click to enlarge image

Provide Flexibility and Massive Capacity
The Cisco CRS-1 Carrier Routing System delivers service flexibility, continuous operation, and massive capacity, and can scale up to 92 terabits per second.

Offer Highly Secure, Scalable Services
Cisco XR 12000 Series Routers offer highly secure virtualization, integral service delivery, continuous system operation, and multiservice scalability.

Increase Efficiency and Reduce Expenses
The Cisco ONS 15454 Multiservice Transport Platform is deployed worldwide and reduces expenses while increasing network efficiency and investment protection.

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