The ALT Special Use Top Level Domain
draft-ietf-dnsop-alt-tld-10
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2018-07-17
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draft-wkumari-dnsop-alt-tld
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dnsop W. Kumari
Internet-Draft Google
Intended status: Informational A. Sullivan
Expires: January 17, 2019 Oracle
July 16, 2018
The ALT Special Use Top Level Domain
draft-ietf-dnsop-alt-tld-10
Abstract
This document reserves a string (ALT) to be used as a TLD label in
non-DNS contexts. It also provides advice and guidance to developers
developing alternative namespaces.
[Ed note: Text inside square brackets ([]) is additional background
information, answers to frequently asked questions, general musings,
etc. They will be removed before publication. This document is
being collaborated on in Github at: https://github.com/wkumari/draft-
wkumari-dnsop-alt-tld. The most recent version of the document, open
issues, etc should all be available here. The authors (gratefully)
accept pull requests. ]
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
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on January 17, 2019.
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
Kumari & Sullivan Expires January 17, 2019 [Page 1]
Internet-Draft Reserve ALT TLD July 2018
(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. Requirements notation . . . . . . . . . . . . . . . . . . 2
1.2. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
2. Background . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. The ALT namespace . . . . . . . . . . . . . . . . . . . . . . 4
3.1. Choice of the ALT Name . . . . . . . . . . . . . . . . . 4
4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 5
4.1. Domain Name Reservation Considerations . . . . . . . . . 5
5. Privacy Considerations . . . . . . . . . . . . . . . . . . . 6
6. Security Considerations . . . . . . . . . . . . . . . . . . . 7
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 7
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 7
8.1. Normative References . . . . . . . . . . . . . . . . . . 7
8.2. Informative References . . . . . . . . . . . . . . . . . 8
Appendix A. Changes / Author Notes. . . . . . . . . . . . . . . 8
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11
1. Introduction
Many protocols and systems need to name entities. Names that look
like DNS names (a series of labels separated with dots) have become
common, even in systems that are not part of the global DNS
administered by IANA. This document reserves the label "ALT" (short
for "Alternative") as a Special Use Domain ([RFC6761]). This label
is intended to be used as the final (rightmost) label to signify that
the name is not rooted in the DNS, and that it should not be resolved
using the DNS protocol.
1.1. Requirements notation
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 [RFC2119].
Kumari & Sullivan Expires January 17, 2019 [Page 2]
Internet-Draft Reserve ALT TLD July 2018
1.2. Terminology
This document assumes familiarity with DNS terms and concepts.
Please see [RFC1034] for background and concepts, and [RFC7719] for
terminology. Readers are also expected to be familiar with the
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