Using the Registration Data Access Protocol (RDAP) with HTTP
draft-ietf-weirds-using-http-02

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Replaces draft-designteam-weirds-using-http
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Network Working Group                                        A.L. Newton
Internet-Draft                                                      ARIN
Intended status: Standards Track                           B.J. Ellacott
Expires: September 26, 2013                                        APNIC
                                                                 N. Kong
                                                                   CNNIC
                                                          March 25, 2013

      Using the Registration Data Access Protocol (RDAP) with HTTP
                    draft-ietf-weirds-using-http-02

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/.

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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on September 26, 2013.

Copyright Notice

   Copyright (c) 2013 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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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
   Registration Data using RESTful styling.  By giving the various
   Directory Services common behavior, a single client is better able to
   retrieve data from Directory Services adhering to this behavior.

   In designing these common usage patterns, this draft endeavours to
   satisfy requirements for a Registration Data Access Protocol (RDAP).
   This draft also introduces an additional design consideration to
   define a simple use of HTTP.  Where complexity may reside, it is the
   goal of this specification to place it upon the server and to keep
   the client as simple as possible.  A client implementation should be
   possible using common operating system scripting tools.

   This is the basic usage pattern for this protocol:

   1.  A client issues an HTTP query using GET.  As an example, a query
       for the network registration 192.0.2.0 might be http://
       example.com/ip/192.0.2.0.

   2.  If the receiving server has the information for the query, it
       examines the Accept header field of the query and returns a 200
       response with a response entity appropriate for the requested
       format.

   3.  If the receiving server does not have the information for the
       query but does have knowledge of where the information can be
       found, it will return a redirection response (3xx) with the
       Location: header containing an HTTP URL pointing to the
       information or another server known to have knowledge of the
       location of the information.  The client is expected to re-query
       using that HTTP URL.

   4.  If the receiving server does not have the information being
       requested and does not have knowledge of where the information
       can be found, it should return a 404 response.

   It is important to note that it is not the intent of this document to
   redefine the meaning and semantics of HTTP.  The purpose of this
   document is to clarify the use of standard HTTP mechanisms for this
   application.

2.  Terminology

Newton, et al.         Expires September 26, 2013               [Page 2]
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   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].
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