CDN System Architecture Simulator

An interactive visual simulator for multi-tiered CDN design & routing logic.

t = 0.0s

Speed Seed

Preset Scenarios

Routing Policy

L1 Edge Cache TTL 30s

L2 Shield Cache TTL 60s

L1 Edge Capacity 20

L2 Shield Capacity 60

Stale-While-Revalidate

L2 Shield Cache Bypass

Global Request Rate 30 rps

Popularity Skew (Zipf) 1.2

Total Unique Content Items 40

Request Particle Cache Hit (Fresh) Cache Stale / SWR Cache Miss / Error

Global Hit Ratio

Average Latency

0ms

Origin Load

0 rps

Bandwidth Saved

L1 Edge Hit Ratio

L2 Shield Hit Ratio

Node Entity	Status	Cache Size

Tip

Select a node (Client, DNS Router, Edge Cache, L2 Shield, or Origin) to pin its internal variables.

Dragging

You can drag nodes around to rearrange the topology. Connectors and animations will update live!