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Hypertext Transfer Protocol Version 2 (HTTP/2) (RFC7540) Disclosure Number: IPCOM000241597D
Original Publication Date: 2015-May-01
Included in the Prior Art Database: 2015-May-15

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Belshe: AUTHOR [+4]


The Hypertext Transfer Protocol (HTTP) is a wildly successful protocol. However, the way HTTP/1.1 uses the underlying transport ([RFC7230], Section 6) has several characteristics that have a negative overall effect on application performance today.

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Internet Engineering Task Force (IETF)                         M. Belshe Request for Comments: 7540                                         BitGo Category: Standards Track                                        R. Peon ISSN: 2070-1721                                              Google, Inc                                                          M. Thomson, Ed.                                                                  Mozilla                                                                 May 2015

              Hypertext Transfer Protocol Version 2 (HTTP/2)


   This specification describes an optimized expression of the semantics    of the Hypertext Transfer Protocol (HTTP), referred to as HTTP    version 2 (HTTP/2).  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.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

 Belshe, et al.               Standards Track                    [Page 1]
 RFC 7540                         HTTP/2                         May 2015

 Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    ( in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section...