Practically speaking there is no such thing as single file HLS or DASH streaming, at least not out of the box. Even when you do byte range requests, you still will have the manifests stored besides the actual file. And the dumb thing with Byte Range requests is that not all JS players supporting it ... In most cases, they always want to have independent segments. The biggest problem you have to compensate when dealing with HLS/DASH is compensating the amount of files you store on your disk or object storage. ABR streams often have many Audio and Video sources for different resolution, imaging you store like 1 million songs for streaming, each with 3-4 different codecs, it will generate lots of files, and in the end AWS and all the other providers will charge you for the amount of files you store. So if your plan is to store many media files in a streamable format, you should first tackle this problem ...