The next version of HTTP won’t be using TCP HTTP is switching to a protocol layered on top of UDP. The next version of the Hypertext Transfer Protocol (HTTP)—the network protocol that defines how browsers talk to Web servers—is going to make a major break from the versions in use today. Today's HTTP (versions 1.0, 1.1, and 2) are all layered on top of TCP (Transmission Control Protocol). TCP, defi