Tag: cdn

All the articles with the tag "cdn".

• System Design: Video Streaming (YouTube/Netflix)

  Published:May 8, 2026 |  at 11:00 AM

  (11 min read)

  Designing a video streaming system — upload pipelines, transcoding at scale, adaptive bitrate streaming with HLS, CDN as core architecture, and the full YouTube-scale picture.

• System Design CDN: Serving Content Fast Globally

  Published:May 6, 2026 |  at 09:00 AM

  (6 min read)

  CDN is geographically distributed caching. Here's the complete mental model — what goes on a CDN, TTL decisions, cache invalidation, and real-world architecture.