Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests (RFC7232)
Original Publication Date: 2014-Jun-01
Included in the Prior Art Database: 2014-Jun-08
Internet Society Requests For Comment (RFCs)
R. Fielding: AUTHOR [+4]
Conditional requests are HTTP requests [RFC7231] that include one or more header fields indicating a precondition to be tested before applying the method semantics to the target resource. This document defines the HTTP/1.1 conditional request mechanisms in terms of the architecture, syntax notation, and conformance criteria defined in [RFC7230].
Internet Engineering Task Force (IETF) R. Fielding, Ed. Request for Comments: 7232 Adobe Obsoletes: 2616 J. Reschke, Ed. Category: Standards Track greenbytes ISSN: 2070-1721 June 2014
Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
The Hypertext Transfer Protocol (HTTP) is a stateless application- level protocol for distributed, collaborative, hypertext information systems. This document defines HTTP/1.1 conditional requests, including metadata header fields for indicating state changes, request header fields for making preconditions on such state, and rules for constructing the responses to a conditional request when one or more preconditions evaluate to false.
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 http://www.rfc-editor.org/info/rfc7232.
Reschke Standards Track [Page 1]
RFC 7232 HTTP/1.1 Conditional Requests June 2014
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