Registration Data Access Protocol (RDAP) Search Using POSIX Regular Expressions
draft-fregly-regext-rdap-search-regex-04

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Internet Engineering Task Force                                A. Fregly
Internet-Draft                                                  S. Sheth
Intended status: Standards Track                           S. Hollenbeck
Expires: December 2, 2018                                  Verisign Labs
                                                            May 31, 2018

  Registration Data Access Protocol (RDAP) Search Using POSIX Regular
                              Expressions
                draft-fregly-regext-rdap-search-regex-04

Abstract

   The Registration Data Access Protocol (RDAP) provides limited search
   functionality based on pattern matching.  This document describes an
   RDAP query extension that provides additional search functionality
   using POSIX extended regular expressions.

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
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   This Internet-Draft will expire on December 2, 2018.

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
   publication of this document.  Please review these documents
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   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of

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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions Used in This Document . . . . . . . . . . . .   2
   2.  RDAP Path Segment Specification . . . . . . . . . . . . . . .   3
     2.1.  Domain Search . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Name Server Search  . . . . . . . . . . . . . . . . . . .   5
     2.3.  Entity Search . . . . . . . . . . . . . . . . . . . . . .   6
     2.4.  Future Path Segments  . . . . . . . . . . . . . . . . . .   7
   3.  Search Pattern Syntax . . . . . . . . . . . . . . . . . . . .   7
   4.  Query Processing  . . . . . . . . . . . . . . . . . . . . . .   8
   5.  Internationalization Considerations . . . . . . . . . . . . .   9
   6.  Implementation Considerations . . . . . . . . . . . . . . . .   9
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
   8.  Implementation Status . . . . . . . . . . . . . . . . . . . .  12
     8.1.  Verisign Labs . . . . . . . . . . . . . . . . . . . . . .  12
     8.2.  APNIC RDAP Service  . . . . . . . . . . . . . . . . . . .  13
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   10. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  14
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  14
     11.2.  Informative References . . . . . . . . . . . . . . . . .  15
   Appendix A.  Change Log . . . . . . . . . . . . . . . . . . . . .  16
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Introduction

   The search patterns for Registration Data Access Protocol (RDAP)
   search as described in RFC 7482 [RFC7482] are limited.  The protocol
   described in this specification extends RDAP search capabilities by
   adding path segments for RDAP search functions using a RESTful web
   service and POSIX [IEEE.1003.1_2013_EDITION] extended regular
   expressions.  The service is implemented using the Hypertext Transfer
   Protocol (HTTP) [RFC7230] and the conventions described in RFC 7480
   [RFC7480].

1.1.  Conventions Used in This Document

   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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2.  RDAP Path Segment Specification

   The path segments defined in this section are OPTIONAL extensions of