需求
“Create a CDN topology with Internet through an edge firewall and global load balancer to four edge caches, two mid-tier caches, a router and an origin cloud.”
接著試試Add a third mid-tier cache.Change the origin cloud connection to a redundant second router.
這張圖裡有什麼
看懂背後的決策。
01
Placed a global load balancer to distribute traffic across two edge aggregation switches
02
Used two mid-tier cache nodes for redundancy and failover between edge and origin
03
Segmented edge, distribution, and core tiers for scalable operations
When modeling CDN cache hierarchy with failover and tiered service-provider infrastructure.