Nx-os And Cisco Nexus Switching- Next-generation Data Center Architectures -repost- (Works 100%)
To ensure rapid recovery, NX-OS uses PSS to store operational runtime information, allowing services to restore their last known state instantly upon restart.
Operational considerations
For nearly two decades, the data center was a predictable place. Access, aggregation, and core—the classic three-tier model ruled supreme. But as application architectures shifted from monolithic to microservices, and traffic patterns pivoted from north-south (client to server) to east-west (server to server), the old model broke. To ensure rapid recovery, NX-OS uses PSS to