HTTP usage in the Registration Data Access Protocol (RDAP)
draft-ietf-weirds-using-http-12

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Network Working Group                                          A. Newton
Internet-Draft                                                      ARIN
Intended status: Standards Track                             B. Ellacott
Expires: March 28, 2015                                            APNIC
                                                                 N. Kong
                                                                   CNNIC
                                                      September 24, 2014

       HTTP usage in the Registration Data Access Protocol (RDAP)
                    draft-ietf-weirds-using-http-12

Abstract

   This document is one of a collection that together describe the
   Registration Data Access Protocol (RDAP).  It describes how RDAP is
   transported using the Hypertext Transfer Protocol (HTTP).  RDAP is a
   successor protocol to the very old WHOIS protocol.  The purpose of
   this document is to clarify the use of standard HTTP mechanisms for
   this application.

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
   working documents as Internet-Drafts.  The list of current Internet-
   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
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on March 28, 2015.

Copyright Notice

   Copyright (c) 2014 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
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect

Newton, et al.           Expires March 28, 2015                 [Page 1]
Internet-Draft               RDAP over HTTP               September 2014

   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Design Intents  . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Queries . . . . . . . . . . . . . . . . . . . . . . . . . . .   5
     4.1.  HTTP Methods  . . . . . . . . . . . . . . . . . . . . . .   5
     4.2.  Accept Header . . . . . . . . . . . . . . . . . . . . . .   5
     4.3.  Query Parameters  . . . . . . . . . . . . . . . . . . . .   5
   5.  Types of HTTP Response  . . . . . . . . . . . . . . . . . . .   6
     5.1.  Positive Answers  . . . . . . . . . . . . . . . . . . . .   6
     5.2.  Redirects . . . . . . . . . . . . . . . . . . . . . . . .   6
     5.3.  Negative Answers  . . . . . . . . . . . . . . . . . . . .   7
     5.4.  Malformed Queries . . . . . . . . . . . . . . . . . . . .   7
     5.5.  Rate Limits . . . . . . . . . . . . . . . . . . . . . . .   7
     5.6.  Cross-Origin Resource Sharing . . . . . . . . . . . . . .   7
   6.  Extensibility . . . . . . . . . . . . . . . . . . . . . . . .   8
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
     8.1.  RDAP Extensions Registry  . . . . . . . . . . . . . . . .   9
   9.  Internationalization Considerations . . . . . . . . . . . . .  10
     9.1.  URIs and IRIs . . . . . . . . . . . . . . . . . . . . . .  10
     9.2.  Language Identifiers in Queries and Responses . . . . . .  10
     9.3.  Language Identifiers in HTTP Headers  . . . . . . . . . .  10
   10. Contributing Authors and Acknowledgements . . . . . . . . . .  10
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  11
     11.2.  Informative References . . . . . . . . . . . . . . . . .  12
   Appendix A.  Protocol Example . . . . . . . . . . . . . . . . . .  12
   Appendix B.  Cache Busting  . . . . . . . . . . . . . . . . . . .  13
   Appendix C.  Bootstrapping and Redirection  . . . . . . . . . . .  14
   Appendix D.  Changelog  . . . . . . . . . . . . . . . . . . . . .  15
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  19

1.  Introduction

   This document describes the usage of the Hypertext Transfer Protocol
   (HTTP) [RFC7230] for registration data directory services.  The goal