Designing For Cisco Network Service Architectur... -

: A shift toward cloud-managed data center platforms that design for "distributed resource pools" rather than static nodes.

Effective designs prioritize long-term stability and agility through several foundational pillars: Designing for Cisco Network Service Architectur...

: Traditional perimeters have been replaced by Identity-Based Access Control , where security policies follow the user or device regardless of location. : A shift toward cloud-managed data center platforms

: Decoupling the application environment from physical hardware through Path Isolation and Service Edges . Stateful Switchover (SSO)

: This classic three-layer approach reduces complexity and enhances scalability.

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

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