Document Name: RFC 7540
Document URI: urn:ietf:rfc:7540
Online Version: http://tools.ietf.org/html/rfc7540
Organization: Internet Engineering Task Force (IETF)
Series: Request for Comments (RFC)
Abstract: This specification describes an optimized expression of the semantics of the Hypertext Transfer Protocol (HTTP). HTTP/2 enables a more efficient use of network resources and a reduced perception of latency by introducing header field compression and allowing multiple concurrent exchanges on the same connection. It also introduces unsolicited push of representations from servers to clients. This specification is an alternative to, but does not obsolete, the HTTP/1.1 message syntax. HTTP's existing semantics remain unchanged.



Specified Web Concepts:

HTTP Header Fields

HTTP2-Settings

HTTP Request Methods

PRI

HTTP Status Codes

421

HTTP/2 Frame Types

0x0 , 0x1 , 0x2 , 0x3 , 0x4 , 0x5 , 0x6 , 0x7 , 0x8 , 0x9


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