--- title: 5 Reasons Why Zoom Was Able to Support 300 Million Video... description: Zoom is able to support 300 million video calls a day by using adaptive streaming, Scalable Video Coding (SVC), separating video stream processing from... canonical: https://daily.dev/posts/5-reasons-why-zoom-was-able-to-support-300-million-video-calls-a-day-2lyren8rj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: 5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day | daily.dev og:description: Zoom is able to support 300 million video calls a day by using adaptive streaming, Scalable Video Coding (SVC), separating video stream processing from... og:url: https://daily.dev/posts/5-reasons-why-zoom-was-able-to-support-300-million-video-calls-a-day-2lyren8rj og:image: https://api.daily.dev/og/posts/2LyrEn8Rj.png og:image:alt: 5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day 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. # 5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day **[Substack](https://daily.dev/sources/substack)** · 3 min read · 15 upvotes · 0 comments ## Summary Zoom is able to support 300 million video calls a day by using adaptive streaming, Scalable Video Coding (SVC), separating video stream processing from routing, sending separate video streams from each participant to the client, monitoring quality of service (QoS), and utilizing network awareness. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#career](https://daily.dev/tags/career), [#zoom](https://daily.dev/tags/zoom) [View this post on daily.dev](https://daily.dev/posts/5-reasons-why-zoom-was-able-to-support-300-million-video-calls-a-day-2lyren8rj) ```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":"5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day","url":"https://daily.dev/posts/5-reasons-why-zoom-was-able-to-support-300-million-video-calls-a-day-2lyren8rj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/5-reasons-why-zoom-was-able-to-support-300-million-video-calls-a-day-2lyren8rj"},"datePublished":"2023-12-12T07:45:35.789Z","dateModified":"2023-12-12T07:45:34.770Z","description":"Zoom is able to support 300 million video calls a day by using adaptive streaming, Scalable Video Coding (SVC), separating video stream processing from...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b6ee6b2adcc5b1f77c8fea23a0934f8a?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b6ee6b2adcc5b1f77c8fea23a0934f8a?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Substack","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Substack","logo":"https://media.daily.dev/image/upload/s--KFqxX_OL--/f_auto,t_logo/v1698154293/logos/substack.jpg","url":"https://daily.dev/sources/substack"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/5-reasons-why-zoom-was-able-to-support-300-million-video-calls-a-day-2lyren8rj","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":15},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"career,zoom","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Substack","item":"https://daily.dev/sources/substack"},{"@type":"ListItem","position":3,"name":"5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day"}]} ```