Special-Use Domain Names Problem Statement
draft-ietf-dnsop-sutld-ps-04

Document Type Active Internet-Draft (dnsop WG)
Last updated 2017-05-15
Replaces draft-tldr-sutld-ps
Stream IETF
Intended RFC status Informational
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Network Working Group                                           T. Lemon
Internet-Draft                                             Nominum, Inc.
Intended status: Informational                                  R. Droms
Expires: November 16, 2017
                                                               W. Kumari
                                                                  Google
                                                            May 15, 2017

               Special-Use Domain Names Problem Statement
                      draft-ietf-dnsop-sutld-ps-04

Abstract

   The Special-Use Domain Names IANA registry policy defined in RFC 6761
   has been shown through experience to present unanticipated
   challenges.  This memo presents a list, intended to be comprehensive,
   of the problems that have been identified.  In addition it reviews
   the history of Domain Names and summarizes current IETF publications
   and some publications from other organizations relating to Special-
   Use Domain Names.

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 November 16, 2017.

Copyright Notice

   Copyright (c) 2017 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

Lemon, et al.           Expires November 16, 2017               [Page 1]
Internet-Draft      Special-Use Domain Names Problem            May 2017

   carefully, as they describe your rights and restrictions with respect
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Problems associated with Special-Use Domain Names . . . . . .   4
   4.  Existing Practice Regarding Special-Use Domain Names  . . . .   9
     4.1.  Primary Special-Use Domain Name Documents . . . . . . . .   9
       4.1.1.  IAB Technical Comment on the Unique DNS Root  . . . .  10
       4.1.2.  Special-Use Domain Names  . . . . . . . . . . . . . .  11
       4.1.3.  MoU Concerning the Technical Work of the IANA . . . .  13
       4.1.4.  Liaison Statement on Technical Use of Domain
               Names . . . . . . . . . . . . . . . . . . . . . . . .  13
     4.2.  Secondary documents relating to the Special-Use
           Domain Name question  . . . . . . . . . . . . . . . . . .  14
       4.2.1.  Multicast DNS . . . . . . . . . . . . . . . . . . . .  14
       4.2.2.  The .onion Special-Use Top-Level Domain Name  . . . .  14
       4.2.3.  Locally Served DNS Zones  . . . . . . . . . . . . . .  15
       4.2.4.  Name Collision in the DNS . . . . . . . . . . . . . .  15
       4.2.5.  SSAC Advisory on the Stability of the Domain
               Namespace . . . . . . . . . . . . . . . . . . . . . .  15
       4.2.6.  Discovery of the IPv6 Prefix Used for IPv6 Address
               Synthesis . . . . . . . . . . . . . . . . . . . . . .  16
       4.2.7.  Additional Reserved Top Level Domains . . . . . . . .  16
   5.  History . . . . . . . . . . . . . . . . . . . . . . . . . . .  17
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  18
   7.  IANA considerations . . . . . . . . . . . . . . . . . . . . .  18
   8.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  18
   9.  Informative References  . . . . . . . . . . . . . . . . . . .  19
   Appendix A.  Change Log.  . . . . . . . . . . . . . . . . . . . .  22
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  27

1.  Introduction

   One of the key services required to use the Internet is name
   resolution.  Name resolution is the process of translating a symbolic
   name into some object or set of objects to which the name refers,
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