📶 Telecom · Deployment · Pro
CDN and Edge Caching Deployment
How a telecom operator or content provider deploys a CDN: edge caches in cities, regional mid-tier caches and the origin.
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Drawing diagram…
What this diagram shows
- Users are served from the nearest city edge cache
- Misses go to a regional tier before the origin
- Popular content is pre-positioned before big events
Prompt used
Deployment for a CDN inside an operator network: users in each city are routed by DNS/anycast to the nearest edge cache cluster in city points of presence, cache misses go to regional mid-tier caches, and misses there go to the origin servers in the content provider's cloud. A control plane pushes configuration and pre-positions popular content before big events like cricket matches; logs go to analytics.
Mermaid code
flowchart TB
U1[Users - Mumbai] --> E1[Edge Cache - Mumbai PoP]
U2[Users - Delhi] --> E2[Edge Cache - Delhi PoP]
U3[Users - Bengaluru] --> E3[Edge Cache - Bengaluru PoP]
subgraph Regional[Regional Mid-tier]
R1[West Mid-tier Cache]
R2[North/South Mid-tier Cache]
end
E1 -->|Miss| R1
E2 -->|Miss| R2
E3 -->|Miss| R2
R1 -->|Miss| O[Origin Servers - cloud]
R2 -->|Miss| O
CP[Control Plane] -.config, pre-position.-> E1
CP -.-> E2
CP -.-> E3
E1 -->|Logs| AN[(Analytics)]Related templates
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