< draft-tllq-tsr-00.txt   draft-tllq-tsr-01.txt >
Internet Engineering Task Force T. Lemon Internet Engineering Task Force T. Lemon
Internet-Draft 秦 良 (L. Qin) Internet-Draft 秦 良 (L. Qin)
Intended status: Standards Track Apple Inc. Intended status: Standards Track Apple Inc.
Expires: 25 April 2022 22 October 2021 Expires: 26 October 2022 24 April 2022
A 'Time Since Registration' Resource Record for Multicast DNS A 'Time Since Registration' Resource Record for Multicast DNS
draft-tllq-tsr-00 draft-tllq-tsr-01
Abstract Abstract
This document defines a new DNS Resource Record (RR) to be used with This document defines a new DNS Resource Record (RR) to be used with
multicast DNS. The new RR is used to communicate the time at which multicast DNS. The new RR is used to communicate the time at which
the set of RRsets on a domain name were first registered. the set of RRsets on a domain name were first registered.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on 25 April 2022. This Internet-Draft will expire on 26 October 2022.
Copyright Notice Copyright Notice
Copyright (c) 2021 IETF Trust and the persons identified as the Copyright (c) 2022 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents (https://trustee.ietf.org/ Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document. license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights Please review these documents carefully, as they describe your rights
and restrictions with respect to this document. Code Components and restrictions with respect to this document. Code Components
extracted from this document must include Simplified BSD License text extracted from this document must include Revised BSD License text as
as described in Section 4.e of the Trust Legal Provisions and are described in Section 4.e of the Trust Legal Provisions and are
provided without warranty as described in the Simplified BSD License. provided without warranty as described in the Revised BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Time Since Registered Resource Record . . . . . . . . . . . . 3 2. Time Since Registered Resource Record . . . . . . . . . . . . 3
3. mDNS Registrar Behavior . . . . . . . . . . . . . . . . . . . 4 3. mDNS Registrar Behavior . . . . . . . . . . . . . . . . . . . 4
4. Internal Handling of TSR records . . . . . . . . . . . . . . 5 4. Internal Handling of TSR records . . . . . . . . . . . . . . 4
5. Timeliness of Conflict Resolution . . . . . . . . . . . . . . 5 5. Timeliness of Conflict Resolution . . . . . . . . . . . . . . 5
6. Legacy Registrars . . . . . . . . . . . . . . . . . . . . . . 5 6. Legacy Registrars . . . . . . . . . . . . . . . . . . . . . . 5
7. When to Use TSR . . . . . . . . . . . . . . . . . . . . . . . 5 7. When to Use TSR . . . . . . . . . . . . . . . . . . . . . . . 5
8. Registrant API considerations . . . . . . . . . . . . . . . . 5 8. Registrant API considerations . . . . . . . . . . . . . . . . 5
9. Security Considerations . . . . . . . . . . . . . . . . . . . 6 9. Security Considerations . . . . . . . . . . . . . . . . . . . 6
10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 6 10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 6
11. Informative References . . . . . . . . . . . . . . . . . . . 6 11. Informative References . . . . . . . . . . . . . . . . . . . 6
12. Normative References . . . . . . . . . . . . . . . . . . . . 6 12. Normative References . . . . . . . . . . . . . . . . . . . . 6
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 7 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 7
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specification", STD 13, RFC 1035, DOI 10.17487/RFC1035, specification", STD 13, RFC 1035, DOI 10.17487/RFC1035,
November 1987, <https://www.rfc-editor.org/info/rfc1035>. November 1987, <https://www.rfc-editor.org/info/rfc1035>.
[RFC6762] Cheshire, S. and M. Krochmal, "Multicast DNS", RFC 6762, [RFC6762] Cheshire, S. and M. Krochmal, "Multicast DNS", RFC 6762,
DOI 10.17487/RFC6762, February 2013, DOI 10.17487/RFC6762, February 2013,
<https://www.rfc-editor.org/info/rfc6762>. <https://www.rfc-editor.org/info/rfc6762>.
[I-D.lemon-srp-replication] [I-D.lemon-srp-replication]
Lemon, T., "Automatic Replication of DNS-SD Service Lemon, T., "Automatic Replication of DNS-SD Service
Registration Protocol Zones", Work in Progress, Internet- Registration Protocol Zones", Work in Progress, Internet-
Draft, draft-lemon-srp-replication-00, 26 July 2021, Draft, draft-lemon-srp-replication-01, 7 November 2021,
<https://datatracker.ietf.org/doc/html/draft-lemon-srp- <https://datatracker.ietf.org/doc/html/draft-lemon-srp-
replication-00>. replication-01>.
Authors' Addresses Authors' Addresses
Ted Lemon Ted Lemon
Apple Inc. Apple Inc.
One Apple Park Way One Apple Park Way
Cupertino, California 95014 Cupertino, California 95014
United States of America United States of America
Email: mellon@fugue.com Email: mellon@fugue.com
Liang Qin Liang Qin
Apple Inc. Apple Inc.
One Apple Park Way One Apple Park Way
Cupertino, California 95014 Cupertino, California 95014
United States of America United States of America
Email: Leonqin0101@gmail.com Email: Leonqin0101@gmail.com
Additional contact information: Additional contact information:
秦良 秦良
Apple Inc. Apple Inc.
One Apple Park Way One Apple Park Way
Cupertino, California 95014 Cupertino, California 95014
United States of America United States of America
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