vCard Format Extensions: ICANN Extensions for the Registration Data Access Protocol (RDAP)
RFC 8605

Document Type RFC - Informational (May 2019; No errata)
Last updated 2019-05-14
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Internet Engineering Task Force (IETF)                     S. Hollenbeck
Request for Comments: 8605                                 Verisign Labs
Category: Informational                                        R. Carney
ISSN: 2070-1721                                             GoDaddy Inc.
                                                                May 2019

                        vCard Format Extensions:
   ICANN Extensions for the Registration Data Access Protocol (RDAP)

Abstract

   This document defines extensions to the vCard data format for
   representing and exchanging contact information used to implement the
   Internet Corporation for Assigned Names and Numbers (ICANN)
   operational profile for the Registration Data Access Protocol (RDAP).
   The property and parameter defined here are used to add values to
   RDAP responses that are consistent with ICANN policies.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are candidates for any level of Internet
   Standard; see Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   https://www.rfc-editor.org/info/rfc8605.

Hollenbeck & Carney           Informational                     [Page 1]
RFC 8605               ICANN RDAP vCard Extensions              May 2019

Copyright Notice

   Copyright (c) 2019 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
   carefully, as they describe your rights and restrictions with respect
   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
     1.1.  Terminology Used in This Document . . . . . . . . . . . .   3
   2.  vCard Extensions: Properties  . . . . . . . . . . . . . . . .   3
     2.1.  Property: CONTACT-URI . . . . . . . . . . . . . . . . . .   3
   3.  vCard Extensions: Parameters  . . . . . . . . . . . . . . . .   4
     3.1.  Parameter: CC . . . . . . . . . . . . . . . . . . . . . .   4
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .   5
     6.2.  Informative References  . . . . . . . . . . . . . . . . .   6
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .   6
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   7

1.  Introduction

   The "Temporary Specification for gTLD Registration Data" available at
   <https://www.icann.org/resources/pages/gtld-registration-data-specs-
   en> was published by the Internet Corporation for Assigned Named and
   Numbers (ICANN) in 2018.  The Temporary Specification includes
   requirements that cannot currently be met by the Registration Data
   Access Protocol (RDAP, [RFC7483]) without extending the underlying
   vCard [RFC6350] specification used to represent RDAP entity objects.
   This document includes specifications for an additional vCard
   property and an additional vCard parameter to meet the requirements
   of the Temporary Specification.

Hollenbeck & Carney           Informational                     [Page 2]
RFC 8605               ICANN RDAP vCard Extensions              May 2019

1.1.  Terminology Used in This Document

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in
   BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all
   capitals, as shown here.

   Syntax specifications shown here use the augmented Backus-Naur Form
   (ABNF) as described in [RFC5234] and are specified as in the base
   vCard specification [RFC6350].

2.  vCard Extensions: Properties

   This document describes one new vCard extension property.

2.1.  Property: CONTACT-URI

   Namespace:

   Property name: CONTACT-URI

   Purpose: RDAP entity information can be redacted under certain
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