Which ones? My thoughts were that actually HLS is a quite nice idea, once we remove the "live" from it's name. There are certainly things that do a lot better

Which ones? My thoughts were that actually HLS is a quite nice idea, once we remove the "live" from it's name. There are certainly things that do a lot better at live broadcast. But the ability to distribute it over plain HTTP at massive scale with zero changes to existing webservers makes it a quite compelling solution. We can't use real realtime streaming protocols from CDNs.