Scaling the Netflix Global CDN, lessons learned from Terabit Zero
summary
A purpose‑built Open Connect CDN is deployed from custom racks of RevC 36×8TB storage and RevF 40G SSD flash caches, pushing dozens of terabytes nightly with per‑rack designs that reach ~2.4–3 TB of capacity and 0.006 watts per megabit. Deployments hit a terabit POP in Paris, ship as plug‑and‑play with pre‑terminated MTP cabling, go live in days (record ~10), avoid big chassis routers by using Arista edge switches, and run on a <20‑person operations team.
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chapters (9)
- 0:00Start
- 3:03The story
- 4:15A single purpose system
- 6:50A big challenge
- 9:57Cache Types
- 12:27Power Utilization and Footprint
- 17:52Challenges
- 24:13Rapid Deployment
- 25:52Leveraging MTP
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