DASH (MPEG-DASH)
Open standard protocol for adaptive video streaming over HTTP.
Dynamic Adaptive Streaming over HTTP is an open standard adaptive bitrate streaming protocol developed by MPEG.
It uses MPD (Media Presentation Description) manifest files.
It is codec-agnostic and can work with different codecs like H.264, H.265, VP9, AV1.
Commonly used with Widevine DRM.