Designing For Cisco Network Service Architectur... May 2026

: The high-speed backbone responsible for transporting large amounts of traffic quickly between distribution devices.

: Breaking the network into smaller, functional modules (e.g., Campus, Data Center, WAN) to limit failure domains and simplify upgrades. Designing for Cisco Network Service Architectur...

: Acts as a communication point between access and core, providing routing, filtering, and WAN access. : The high-speed backbone responsible for transporting large

: Building security into the initial architecture—using Zero Trust Access and micro-segmentation—rather than adding it as a secondary layer. functional modules (e.g.

Modern architectures must also account for specialized service environments: