Link Relation Types for Web Services
draft-wilde-service-link-rel-07

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Document Type Active Internet-Draft (individual in art area)
Last updated 2018-11-20
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Network Working Group                                           E. Wilde
Internet-Draft                                         November 20, 2018
Intended status: Informational
Expires: May 24, 2019

                  Link Relation Types for Web Services
                    draft-wilde-service-link-rel-07

Abstract

   Many resources provided on the Web are part of sets of resources that
   are provided in a context that is managed by one particular service
   provider.  Often, these sets of resources are referred to as "Web
   Services" or "Web APIs".  This specification defines link relations
   for representing relationships from those resources to ones that
   provide documentation, descriptions, or metadata for these Web
   services.  Documentation is primarily intended for human consumers,
   whereas descriptions are primarily intended for automated consumers;
   metadata is supposed to be information about a service's context.  It
   also defines a link relation to identify status resources that are
   used to represent operational information about service status.

Status of This Memo

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   This Internet-Draft will expire on May 24, 2019.

Copyright Notice

   Copyright (c) 2018 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
   (https://trustee.ietf.org/license-info) in effect on the date of

Wilde                     Expires May 24, 2019                  [Page 1]
Internet-Draft    Link Relation Types for Web Services     November 2018

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Web Services  . . . . . . . . . . . . . . . . . . . . . . . .   4
     3.1.  Documenting Web Services  . . . . . . . . . . . . . . . .   5
     3.2.  Describing Web Services . . . . . . . . . . . . . . . . .   5
     3.3.  Unified Documentation/Description . . . . . . . . . . . .   5
   4.  Link Relations for Web Services . . . . . . . . . . . . . . .   6
     4.1.  The service-doc Link Relation Type  . . . . . . . . . . .   6
     4.2.  The service-desc Link Relation Type . . . . . . . . . . .   6
     4.3.  The service-meta Link Relation Type . . . . . . . . . . .   6
   5.  Web Service Status Resources  . . . . . . . . . . . . . . . .   7
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
     6.1.  Link Relation Type: service-doc . . . . . . . . . . . . .   7
     6.2.  Link Relation Type: service-desc  . . . . . . . . . . . .   7
     6.3.  Link Relation Type: service-meta  . . . . . . . . . . . .   8
     6.4.  Link Relation Type: status  . . . . . . . . . . . . . . .   8
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .   9
     8.2.  Informative References  . . . . . . . . . . . . . . . . .   9
   Appendix A.  Acknowledgements . . . . . . . . . . . . . . . . . .   9
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   One of the defining aspects of the Web is that it is possible to
   interact with Web resources without any prior knowledge of the
   specifics of the resource.  Following Web Architecture
   [W3C.REC-webarch-20041215] by using URIs, HTTP, and media types, the
   Web's uniform interface allows interactions with resources without
   the more complex binding procedures often necessary with other
   approaches.

   Many resources on the Web are provided as part of a set of resources
   that are referred to as a "Web Service" or a "Web API".  In many
   cases, these services or APIs are defined and managed as a whole, and
   it may be desirable for clients to be able to discover this service
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