Network Service Architectur... | Designing For Cisco

: Ensuring high availability through redundant links, Stateful Switchover (SSO) , and Non-stop Forwarding (NSF) .

: Acts as a communication point between access and core, providing routing, filtering, and WAN access. Designing for Cisco Network Service Architectur...

: Allocates resources to applications via "transparent services" (like QoS or security) and "exposed services". Stateful Switchover (SSO)

: Decoupling the application environment from physical hardware through Path Isolation and Service Edges . Designing for Cisco Network Service Architectur...

: Contains business and collaborative applications that leverage the services below. 2. Key Design Principles

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