Both HTTP/1.1 and HTTP/2 use TCP as their transport. The differences are in the mapping of these semantics to underlying transports. HTTP semantics are consistent across versions: the same request methods, status codes, and message fields are typically applicable to all versions. HTTP/3 runs over QUIC, which is published as RFC 9000. HTTP/3 is the third and upcoming major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web, alongside HTTP/1.1 and HTTP/2. 'Hypertext Transfer Protocol Version 3 (HTTP/3)'.
( November 2019) ( Learn how and when to remove this template message)īishop, Mike. Please help improve the article by providing more context for the reader. This article provides insufficient context for those unfamiliar with the subject.
