Using the Registration Data Access Protocol (RDAP) with HTTP
draft-ietf-weirds-using-http-00

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Network Working Group                                          A. Newton
Internet-Draft                                                      ARIN
Intended status: Standards Track                             B. Ellacott
Expires: March 25, 2013                                            APNIC
                                                                 N. Kong
                                                                   CNNIC
                                                      September 21, 2012

      Using the Registration Data Access Protocol (RDAP) with HTTP
                    draft-ietf-weirds-using-http-00

Abstract

   This document describes the usage of the Registration Data Access
   Protocol (RDAP) using HTTP.

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on March 25, 2013.

Copyright Notice

   Copyright (c) 2012 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
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   (http://trustee.ietf.org/license-info) in effect on the date of
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   described in the Simplified BSD License.

Newton, et al.           Expires March 25, 2013                 [Page 1]
Internet-Draft               RDAP over HTTP               September 2012

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Design Intents . . . . . . . . . . . . . . . . . . . . . . . .  5
   4.  Queries  . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
     4.1.  Accept Header  . . . . . . . . . . . . . . . . . . . . . .  6
     4.2.  Query Parameters . . . . . . . . . . . . . . . . . . . . .  6
   5.  Types of HTTP Response . . . . . . . . . . . . . . . . . . . .  7
     5.1.  Positive Answers . . . . . . . . . . . . . . . . . . . . .  7
     5.2.  Redirects  . . . . . . . . . . . . . . . . . . . . . . . .  7
     5.3.  Negative Answers . . . . . . . . . . . . . . . . . . . . .  7
     5.4.  Malformed Queries  . . . . . . . . . . . . . . . . . . . .  7
   6.  Use of JSON  . . . . . . . . . . . . . . . . . . . . . . . . .  8
     6.1.  Signaling  . . . . . . . . . . . . . . . . . . . . . . . .  8
     6.2.  Naming . . . . . . . . . . . . . . . . . . . . . . . . . .  8
   7.  Use of XML . . . . . . . . . . . . . . . . . . . . . . . . . . 11
     7.1.  Signaling  . . . . . . . . . . . . . . . . . . . . . . . . 11
     7.2.  Naming and Structure . . . . . . . . . . . . . . . . . . . 11
   8.  Common Error Response Body . . . . . . . . . . . . . . . . . . 13
   9.  Common Data Structures . . . . . . . . . . . . . . . . . . . . 14
   10. Common Datatypes . . . . . . . . . . . . . . . . . . . . . . . 16
   11. IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 17
     11.1. IANA Registry for RDAP Extensions  . . . . . . . . . . . . 17
     11.2. Registration of RDAP Media Type for JSON . . . . . . . . . 18
     11.3. Registration of RDAP Media Type for XML  . . . . . . . . . 18
   12. Internationalization Considerations  . . . . . . . . . . . . . 20
     12.1. URIs vs IRIs . . . . . . . . . . . . . . . . . . . . . . . 20
     12.2. Character Encoding . . . . . . . . . . . . . . . . . . . . 20
   13. Normative References . . . . . . . . . . . . . . . . . . . . . 21
   Appendix A.  Cache Busting . . . . . . . . . . . . . . . . . . . . 23
   Appendix B.  Changelog . . . . . . . . . . . . . . . . . . . . . . 24
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 25

Newton, et al.           Expires March 25, 2013                 [Page 2]
Internet-Draft               RDAP over HTTP               September 2012

1.  Introduction

   This document describes the usage of HTTP for Registration Data
   Directory Services running on RESTful web servers.  The goal of this
   document is to tie together the usage patterns of HTTP into a common
   profile applicable to the various types of Directory Services serving
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