Cisco Routed Optical Networking Solution Guide, Release 4.0

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Routed Optical Networking

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Overview

This section explains the Routed Optical Networking approach and the main components that enable it. It describes how high-density routers, coherent optics, simplified DWDM line systems, and automation work together in the solution.

Benefits of Routed Optical Networking

Routed Optical Networking

  • simplifies complex multilayer networks by collapsing network layers and minimizing the functional overlap

  • improves overall network efficiency by optimizing each layer of the network, and

  • integrates open data models and standard APIs, enriching powerful automation.

Routed Optical Networking offers improvements and simplification because it

  • uses modern optical and routing technologies to converge services over an IP infrastructure connected by a simplified DWDM layer

  • merges IP and private line services onto a single unified IP layer

  • simplifies end-to-end network architecture

  • utilizes a modern software stack that spans across network management and control planes

  • improves the capacity and cost efficiency of networks

  • has a smaller carbon footprint

  • offers unified capacity planning, unified EMS, unified path optimization, orchestration, and assurance

  • provides an automation ecosystem with open, programmable, and modular components, and

  • provides savings on Total Cost of Ownership (TCO) across CapEx and OpEx.

Components of Routed Optical Networking

Routed Optical Networking uses these components:

  • High-density Cisco routers

  • High-capacity ZR or ZR+ pluggable digital coherent optics

  • Simplified DWDM line systems

  • End-to-end multi-layer automation