{"type":"excalidraw","version":2,"source":"https://AwesomeSystemDesign.dev","elements":[{"angle":0,"strokeColor":"#6577aa","backgroundColor":"#eef1fc","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-1"],"frameId":null,"roundness":null,"boundElements":[{"type":"text","id":"shape-1"}],"updated":0,"link":null,"locked":false,"id":"shape-0","type":"rectangle","seed":41,"x":36,"y":32,"width":390,"height":504,"customData":{"revealStep":1}},{"angle":0,"strokeColor":"#394557","backgroundColor":"transparent","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-1"],"frameId":null,"roundness":null,"boundElements":null,"updated":0,"link":null,"locked":false,"id":"shape-1","type":"text","seed":114,"x":56,"y":50,"width":350,"height":468,"fontSize":18,"fontFamily":1,"text":"CONTROL PLANE\n\n• Config Manager (customer configs,\nrouting rules, cache policies)\n\n• Certificate Mgr (Let's Encrypt,\ncustom certs, OCSP stapling)\n\n• Purge / Invalidate Service (global\nfanout < 5 seconds)\n\n• Analytics Pipeline (real-time\nmetrics, logs, billing)\n\n• Health Checker (PoP health, origin\nhealth, auto-failover)\n\n• Edge Compute Mgr (deploy\nfunctions to 250 PoPs in < 30\nseconds)","originalText":"CONTROL PLANE\n\n• Config Manager (customer configs,\nrouting rules, cache policies)\n\n• Certificate Mgr (Let's Encrypt,\ncustom certs, OCSP stapling)\n\n• Purge / Invalidate Service (global\nfanout < 5 seconds)\n\n• Analytics Pipeline (real-time\nmetrics, logs, billing)\n\n• Health Checker (PoP health, origin\nhealth, auto-failover)\n\n• Edge Compute Mgr (deploy\nfunctions to 250 PoPs in < 30\nseconds)","textAlign":"center","verticalAlign":"middle","containerId":"shape-0","lineHeight":1.3,"autoResize":false,"customData":{"revealStep":1}},{"angle":0,"strokeColor":"#628572","backgroundColor":"#edf5ee","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-2"],"frameId":null,"roundness":null,"boundElements":[{"type":"text","id":"shape-3"}],"updated":0,"link":null,"locked":false,"id":"shape-2","type":"rectangle","seed":187,"x":466,"y":32,"width":390,"height":621,"customData":{"revealStep":2}},{"angle":0,"strokeColor":"#394557","backgroundColor":"transparent","fillStyle":"solid","strokeWidth":1.5,"strokeStyle":"solid","roughness":0.7,"opacity":100,"version":1,"versionNonce":1,"isDeleted":false,"groupIds":["step-2"],"frameId":null,"roundness":null,"boundElements":null,"updated":0,"link":null,"locked":false,"id":"shape-3","type":"text","seed":260,"x":486,"y":50,"width":350,"height":585,"fontSize":18,"fontFamily":1,"text":"DATA PLANE (per PoP)\n\n• Load Balancer (L4/L7)\n• Anycast IP advertisement via BGP\n• ECMP across edge servers\n• Health-check based routing\n\n• TLS Layer (BoringSSL, TLS 1.3,\n0-RTT)\n\n• Edge Compute Runtime (V8\nIsolates / Wasm)\n\n• DDoS Mitigation (rate limit, IP\nreputation, challenge)\n\n• Cache Layer\n• L1: RAM (Hot, ~256 GB) LRU\nevict < 1 ms\n• L2: SSD (Warm, ~4 TB) LRU evict\n< 5 ms\n• L3: HDD (Cold, ~40 TB) LRU\nevict < 20 ms\n\n• Origin Fetch + Connection Pooling","originalText":"DATA PLANE (per PoP)\n\n• Load Balancer (L4/L7)\n• Anycast IP advertisement via BGP\n• ECMP across edge servers\n• Health-check based routing\n\n• TLS Layer (BoringSSL, TLS 1.3,\n0-RTT)\n\n• Edge Compute Runtime (V8\nIsolates / Wasm)\n\n• DDoS Mitigation (rate limit, IP\nreputation, challenge)\n\n• Cache Layer\n• L1: RAM (Hot, ~256 GB) LRU\nevict < 1 ms\n• L2: SSD (Warm, ~4 TB) LRU evict\n< 5 ms\n• L3: HDD (Cold, ~40 TB) LRU\nevict < 20 ms\n\n• Origin Fetch + Connection Pooling","textAlign":"center","verticalAlign":"middle","containerId":"shape-2","lineHeight":1.3,"autoResize":false,"customData":{"revealStep":2}}],"appState":{"viewBackgroundColor":"#fbfbf8","gridSize":null},"files":{}}