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Originally posted here. In this video, I answer the question: “How do I load test video streaming with JMeter?” Or listen to the audio version here: HTTP Live Streaming (HLS) and performance One of the most popular protocols for video streaming is HTTP Live Streaming, or HLS, and that’s what I’m going to show you today. An HLS video ends with the [file extension .m3u8‍](https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_4x3/bipbop_4x3_variant.m3u8](https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_4x3/bipbop_4x3_variant.m3u8). According to the HLS protocol, when a video is streamed, the first request sent must be a manifest. A manifest is sometimes called a playlist, and it is a list of all the chunks or parts that make up the video. Then, each chunk is downloaded.