--- title: How Netflix Syncs Hundreds of Millions of Devices description: Netflix is an online video streaming service that operates at insane scale. They have more than 220 million active users and account for more of the world's... canonical: https://daily.dev/posts/how-netflix-syncs-hundreds-of-millions-of-devices-g4q0bppps twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How Netflix Syncs Hundreds of Millions of Devices | daily.dev og:description: Netflix is an online video streaming service that operates at insane scale. They have more than 220 million active users and account for more of the world's... og:url: https://daily.dev/posts/how-netflix-syncs-hundreds-of-millions-of-devices-g4q0bppps og:image: https://api.daily.dev/og/posts/G4Q0BPPPs.png og:image:alt: How Netflix Syncs Hundreds of Millions of Devices og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How Netflix Syncs Hundreds of Millions of Devices **[Quastor Daily](https://daily.dev/sources/quastor)** · 9 min read · 66 upvotes · 2 comments ## Summary Netflix is an online video streaming service that operates at insane scale. They have more than 220 million active users and account for more of the world's downstream internet traffic than YouTube. At peak, it can be about 150,000 events per second. To handle this, Netflix built RENO, their Rapid Event Notification System. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@ghost** · 0 upvotes > Quastor is becoming one of mt favorite tech blogs!! 🔥 **@ppw** · 0 upvotes > Amazing one --- Tags: [#backend](https://daily.dev/tags/backend), [#golang](https://daily.dev/tags/golang), [#database](https://daily.dev/tags/database), [#graphql](https://daily.dev/tags/graphql), [#netflix](https://daily.dev/tags/netflix), [#linkedin](https://daily.dev/tags/linkedin), [#edge-computing](https://daily.dev/tags/edge-computing) [View this post on daily.dev](https://daily.dev/posts/how-netflix-syncs-hundreds-of-millions-of-devices-g4q0bppps) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How Netflix Syncs Hundreds of Millions of Devices","url":"https://daily.dev/posts/how-netflix-syncs-hundreds-of-millions-of-devices-g4q0bppps","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-netflix-syncs-hundreds-of-millions-of-devices-g4q0bppps"},"datePublished":"2022-12-12T00:01:24.121Z","dateModified":"2022-12-12T00:01:24.118Z","description":"Netflix is an online video streaming service that operates at insane scale. 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