How Netflix Uses Cloud Architecture to Stay Online During Peak Traffic

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Netflix relies on a multi-layered cloud architecture rather than a single powerful server to handle millions of simultaneous users during high-demand periods. Key components include load balancers that distribute traffic across multiple servers, auto-scaling systems that spin up or remove servers based on real-time demand, and Content Delivery Networks that serve video from locations closest to the user. Frequently accessed data such as user profiles and trending lists is stored in cache to reduce database load and speed up response times. The platform also runs across multiple data centers and availability zones, so if one region fails, traffic is automatically rerouted to keep the service running. Continuous monitoring and a fault-tolerant design ensure that individual component failures trigger automatic recovery rather than widespread outages.

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DEV Tutorial Shows How to Build Async Web Forms Without Page Reloads

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ProgrammingDEV Community ·

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ProgrammingHacker News ·

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ProgrammingDEV Community ·

How a Developer Fixed Soft 404 and Duplicate Page Errors in Google Search Console

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