> They hold different versions of the same media to directly play the sppuroted version to the client
those different versions are transcoded from a mezzanine source, by a massive system, which is the subject of the OP. you can't just write off the main task from the discussion
The 4K mezzanine source will typically be very high bitrate, perhaps 1 TB or more. So big that it cannot be repeatedly “distributed to clients for transcoding”.
those different versions are transcoded from a mezzanine source, by a massive system, which is the subject of the OP. you can't just write off the main task from the discussion