Cisco Routed Optical Networking Solution Guide, Release 4.0

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Routed Optical Networking architecture

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Overview

This section provides details about the target Routed Optical Networking architecture and its service capabilities. It describes how the solution supports end-to-end visibility, optimization, and convergence of IP and private line services.

Multilayer architecture

This diagram displays the current multilayer architecture.

Figure 1. Multilayer architecture
Multilayer architecture

Routed Optical Networking architecture

Routed Optical Networking is a transformative architecture that disrupts the existing multilayer network architecture. It converges all network services into a single layer.

The routers are connected through dark fiber or a DWDM network using standardized pluggable digital coherent optics, such as ZR and ZR+ transceivers. These transceivers reduce cabling, power consumption, and physical footprint compared to traditional external transponders.

With a single service layer based on IP, flexible management tools can leverage telemetry and model-driven programmability to streamline lifecycle operations. This simplified architecture integrates open data models and standard APIs, enabling a provider to focus on automation initiatives for a simpler topology.

This diagram displays the Routed Optical Networking architecture.

Figure 2. Routed Optical Networking architecture
Routed Optical Networking architecture