Extended Link Relationships
draft-montoya-xrel-02

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Network Working Group                                         J. Montoya
Internet-Draft                                              May 05, 2020
Intended status: Informational
Expires: November 6, 2020

                      Extended Link Relationships
                         draft-montoya-xrel-02

Abstract

   This document defines XREL, a data format for describing extended
   hypermedia relationships identified by Uniform Resource Locators.

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   This Internet-Draft will expire on November 6, 2020.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Definitions and Terminology . . . . . . . . . . . . . . .   2
       1.1.1.  Terminology and Conformance Language  . . . . . . . .   3
       1.1.2.  General . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Motivation  . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Specification . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Format  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Rich Text Formatting  . . . . . . . . . . . . . . . . . .   4
     2.3.  Schema  . . . . . . . . . . . . . . . . . . . . . . . . .   5
       2.3.1.  Relationship Object . . . . . . . . . . . . . . . . .   5
     2.4.  Document Types  . . . . . . . . . . . . . . . . . . . . .   5
       2.4.1.  XREL Document . . . . . . . . . . . . . . . . . . . .   5
       2.4.2.  XREL Collection Document  . . . . . . . . . . . . . .   6
     2.5.  Identifying XREL Documents  . . . . . . . . . . . . . . .   6
     2.6.  Fragment identifiers  . . . . . . . . . . . . . . . . . .   6
     2.7.  Identifying XREL Relationships  . . . . . . . . . . . . .   7
   3.  Security Considerations . . . . . . . . . . . . . . . . . . .   7
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  application/xrel  . . . . . . . . . . . . . . . . . . . .   7
     4.2.  application/xrel+json . . . . . . . . . . . . . . . . . .   9
   5.  Appendix A. Acknowledgments . . . . . . . . . . . . . . . . .  10
   6.  Appendix B. Frequently Asked Questions  . . . . . . . . . . .  10
     6.1.  How can I submit comments or feedback to the editors? . .  10
     6.2.  Why not include target attributes as defined by RFC8288
           'Web Linking'?  . . . . . . . . . . . . . . . . . . . . .  10
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  11
     7.3.  URIs  . . . . . . . . . . . . . . . . . . . . . . . . . .  12
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   This document defines XREL, a data format for describing extended
   hypermedia relationships identified by Uniform Resource Locators.

   This document registers a media-type identifier with the IANA:
   "application/xrel".  This registration is for community review and
   will be submitted to the IESG for review, approval, and registration
   with IANA.

1.1.  Definitions and Terminology

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1.1.1.  Terminology and Conformance Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in