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Uniform Resource Locators (URL) (RFC1738)

IP.com Disclosure Number: IPCOM000003987D
Original Publication Date: 1994-Dec-01
Included in the Prior Art Database: 2000-Sep-12
Document File: 20 page(s) / 48K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

T. Berners-Lee: AUTHOR [+3]

Abstract

This document specifies a Uniform Resource Locator (URL), the syntax and semantics of formalized information for location and access of resources via the Internet.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 6% of the total text.

Network Working Group T. Berners-Lee

Request for Comments: 1738 CERN

Category: Standards Track L. Masinter

Xerox Corporation

M. McCahill

University of Minnesota

Editors

December 1994

Uniform Resource Locators (URL)

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.

Abstract

This document specifies a Uniform Resource Locator (URL), the syntax

and semantics of formalized information for location and access of

resources via the Internet.

1. Introduction

This document describes the syntax and semantics for a compact string

representation for a resource available via the Internet. These

strings are called "Uniform Resource Locators" (URLs).

The specification is derived from concepts introduced by the World-

Wide Web global information initiative, whose use of such objects

dates from 1990 and is described in "Universal Resource Identifiers

in WWW", RFC 1630. The specification of URLs is designed to meet the

requirements laid out in "Functional Requirements for Internet

Resource Locators" [12].

This document was written by the URI working group of the Internet

Engineering Task Force. Comments may be addressed to the editors, or

to the URI-WG . Discussions of the group are archived

at

2. General URL Syntax

Just as there are many different methods of access to resources,

there are several schemes for describing the location of such

resources.

The generic syntax for URLs provides a framework for new schemes to

be established using protocols other than those defined in this

document.

URLs are used to `locate' resources, by providing an abstract

identification of the resource location. Having located a resource,

a system may perform a variety of operations on the resource, as

might be characterized by such words as `access', `update',

`replace', `find attributes'. In general, only the `access' method

needs to be specified for any URL scheme.

2.1. The main parts of URLs

A full BNF description of the URL syntax is given in Section 5.

In general, URLs are written as follows:

:

A URL contains the name of the scheme being used () followed

by a colon and then a str...