if Traefik receives a request for a webpage that includes images and a audio and the configuration specifies different servers for the different content types, does Traefik open individual streams for the individual items that are send back to the client or does it multiplex the content over one stream? In nginx, there is no evidence that it opens multiple streams i.e. it appears to be a straight forward replacement of QUIC with one stream for TCP i.e. it uses the same multiplexing approach regardless. I don’t see any approach that implements individual streams in Traefik either; so, I’d assume that they took the same approach i.e. that they do not make use of multiple streams currently.
Many articles just say it improved http2's multiplexing, but what exactly is it?