Extensible Provisioning Protocol (EPP) Unhandled Namespaces
draft-gould-casanova-regext-unhandled-namespaces-00

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Network Working Group                                           J. Gould
Internet-Draft                                            VeriSign, Inc.
Intended status: Best Current Practice                       M. Casanova
Expires: April 4, 2019                                            SWITCH
                                                         October 1, 2018

      Extensible Provisioning Protocol (EPP) Unhandled Namespaces
          draft-gould-casanova-regext-unhandled-namespaces-00

Abstract

   The Extensible Provisioning Protocol (EPP), as defined in RFC 5730,
   includes a method for the client and server to determine the objects
   to be managed during a session and the object extensions to be used
   during a session.  The services are identified using namespace URIs.
   How should the server handle service data that needs to be returned
   in the response when the client does not support the required service
   namespace URI, which is referred to as an unhandled namespace?  An
   unhandled namespace is a significant issue for the processing of RFC
   5730 poll messages, since poll messages are inserted by the server
   prior to knowing the supported client services, and the client needs
   to be capable of processing all poll messages.  This document defines
   an operational practice that enables the server to return information
   associated with unhandled namespace URIs that is compliant with the
   negotiated services defined in RFC 5730.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
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   This Internet-Draft will expire on April 4, 2019.

Gould & Casanova          Expires April 4, 2019                 [Page 1]
Internet-Draft                 changePoll                   October 2018

Copyright Notice

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   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions Used in This Document . . . . . . . . . . . .   3
   2.  Unhandled Namespaces  . . . . . . . . . . . . . . . . . . . .   3
   3.  Use of EPP <extValue> for Unhandled Namespace Data  . . . . .   4
     3.1.  Unhandled Object-Level Extension  . . . . . . . . . . . .   5
     3.2.  Unhandled Command-Response Extension  . . . . . . . . . .   7
   4.  Usage with General EPP Responses  . . . . . . . . . . . . . .  11
   5.  Usage with Poll Message EPP Responses . . . . . . . . . . . .  12
   6.  Implementation Status . . . . . . . . . . . . . . . . . . . .  15
     6.1.  Verisign EPP SDK  . . . . . . . . . . . . . . . . . . . .  16
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  17
   9.  Normative References  . . . . . . . . . . . . . . . . . . . .  17
   Appendix A.  Change History . . . . . . . . . . . . . . . . . . .  18
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  18

1.  Introduction

   The Extensible Provisioning Protocol (EPP), as defined in [RFC5730],
   includes a method for the client and server to determine the objects
   to be managed during a session and the object extensions to be used
   during a session.  The services are identified using namespace URIs.
   How should the server handle service data that needs to be returned
   in the response when the client does not support the required service
   namespace URI, which is referred to as an unhandled namespace?  An
   unhandled namespace is a significant issue for the processing of
   [RFC5730] poll messages, since poll messages are inserted by the
   server prior to knowing the supported client services, and the client
   needs to be capable of processing all poll messages.  An unhandled
   namespace is an issue also for general EPP responses when the server
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