> On Nov 27, 2020, at 12:54 PM, John Levine <johnl@xxxxxxxxx> wrote: > > In article <C0FCEC98-B6CD-4F35-BA09-428732ADFDAF@xxxxxxxxxxxxxx>, > Joseph Touch <touch@xxxxxxxxxxxxxx> wrote: >>> Does FTP do multiplexing? How? Which RFC? >> >> Yes; it opens a connection per exchange and let’s IP multiplexing do its job. > > Web browsers were doing multiple http requests in parallel in the > 1990s. Largely to get around TCP slow start as a hack at the time - not to rely on IP multiplexing. I.e., HTTP still had HOL blocking because it tried to reuse a connection for multiple xfers. Not the same thing as exclusively relying on IP multiplexing. We discussed this in several webmux meetings in the IETF back then. Joe
