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Hypertext Transfer Protocol -- HTTP/1.1 (RFC2616)

IP.com Disclosure Number: IPCOM000003203D
Original Publication Date: 1999-Jun-01
Included in the Prior Art Database: 2001-Nov-12

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Fielding: AUTHOR [+7]

Abstract

The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. It is a generic, stateless, protocol which can be used for many tasks beyond its use for hypertext, such as name servers and distributed object management systems, through extension of its request methods, error codes and headers [47]. A feature of HTTP is the typing and negotiation of data representation, allowing systems to be built independently of the data being transferred.

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Network Working Group                                      R. Fielding

Request for Comments: 2616                                   UC Irvine

Obsoletes: 2068                                              J. Gettys

Category: Standards Track                                   Compaq/W3C

                                                              J. Mogul

                                                                Compaq

                                                            H. Frystyk

                                                               W3C/MIT

                                                           L. Masinter

                                                                 Xerox

                                                              P. Leach

                                                             Microsoft

                                                        T. Berners-Lee

                                                               W3C/MIT

                                                             June 1999

                Hypertext Transfer Protocol -- HTTP/1.1

Status of this Memo

   This document specifies an Internet standards track protocol for the

   Internet community, and requests discussion and suggestions for

   improvements.  Please refer to the current edition of the "Internet

   Official Protocol Standards" (STD 1) for the standardization state

   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (1999).  All Rights Reserved.

Abstract

   The Hypertext Transfer Protocol (HTTP) is an application-level

   protocol for distributed, collaborative, hypermedia information

   systems. It is a generic, stateless, protocol which can be used for

   many tasks beyond its use for hypertext, such as name servers and

   distributed object management systems, through extension of its

   request methods, error codes and headers [47]. A feature of HTTP is

   the typing and negotiation of data representation, allowing systems

   to be built independently of the data being transferred.

   HTTP has been in use by the World-Wide Web global information

   initiative since 1990. This specification defines the protocol

   referred to as "HTTP/1.1", and is an update to RFC 2068 [33].

Fielding, et al.            Standards Track                     [Page 1]

RFC 2616                        HTTP/1.1                       June 1999

Table of Contents

   1   Introduction ...................................................7

   1.1    Purpose......................................................7

   1.2   Requirements .................................................8

   1.3   Terminology ..................................................8

   1.4   Overall Operation ...........................................12

   2   Notational Conventions and Generic Grammar ....................14

   2.1   Augmented BNF ...............................................14

   2.2   Basic Rules .................................................15

   3   Protocol Parameters ...........................................17

   3.1   HTTP Version ................................................17

   3.2   Uniform Resource Identifiers ................................18

   3.2.1    General Syntax ...........................................19

   3.2.2    http URL .................................................19

   3.2.3    URI Comparison ...........................................20

   3.3   Date/Time Formats ...........................................20

   3.3.1    Full Date ................................................20

   3.3.2    Delta Seconds ............................................21

   3.4   Character Sets ..............................................21

   3.4.1    Missing Charset ..........................................22

   3.5   Content Codings .............................................23

   3.6   Transfer Codings ............................................24

   3.6.1    Chunked Transfer Coding ..............................