# How Netflix Builds Reliable Systems for Live Streaming

DevFeed: [How Netflix Builds Reliable Systems for Live Streaming](<https://devfeed.tech/articles/what-netflix-live-teaches-us-about-building-reliable-systems-18033.md>)

Original publisher: [Read original article](<https://blog.levelupcoding.com/p/netflix-case-study-how-netflix-streams-live-events-without-crashing>)

Author: Nikki Siapno

Published: 2026-07-18T14:46:05Z

Content type: article

Language: en

Sources: [Level Up Coding System Design Newsletter](<https://devfeed.tech/sources/level-up-coding-system-design-newsletter.md>)

Topics: [Netflix](<https://devfeed.tech/topics/netflix.md>), [Streaming](<https://devfeed.tech/topics/streaming.md>), [Architecture & Design](<https://devfeed.tech/topics/architecture-design.md>), [systems](<https://devfeed.tech/topics/systems.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>)

Tags: [engineering](<https://devfeed.tech/tags/engineering.md>), [live-streaming](<https://devfeed.tech/tags/live-streaming.md>), [netflix](<https://devfeed.tech/tags/netflix.md>), [streaming](<https://devfeed.tech/tags/streaming.md>), [systems](<https://devfeed.tech/tags/systems.md>)

## AI overview

The article explains why live streaming is harder than video on demand and describes Netflix's reliability challenges, including real-time processing, simultaneous viewers, fluctuating networks, missing segments, retry storms, and regional traffic spikes.

## Source excerpt

How does Netflix stream live events without crashing?