Internet DRAFT - draft-iab-2870bis
draft-iab-2870bis
Network Working Group M. Blanchet
Internet-Draft Viagenie
Obsoletes: 2870 (if approved) L-J. Liman
Intended status: Best Current Practice Netnod
Expires: March 27, 2016 September 24, 2015
DNS Root Name Service Protocol and Deployment Requirements
draft-iab-2870bis-03.txt
Abstract
The DNS Root Name service is a critical part of the Internet
architecture. The protocol and deployment requirements expected to
be implemented for the DNS root name service are defined in this
document. Operational requirements are out of scope.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on March 27, 2016.
Copyright Notice
Copyright (c) 2015 IETF Trust and the persons identified as the
document authors. All rights reserved.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. RFC 2870 as Historic . . . . . . . . . . . . . . . . . . 2
2. Protocol Requirements . . . . . . . . . . . . . . . . . . . . 2
3. Deployment Requirements . . . . . . . . . . . . . . . . . . . 3
4. Security Considerations . . . . . . . . . . . . . . . . . . . 3
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 3
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 3
7. Informative References . . . . . . . . . . . . . . . . . . . 4
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 5
1. Introduction
[RFC2870] discusses protocol and operational requirements for root
name servers for Internet's domain name system(DNS) protocol
[RFC1035]. Since its publication, both protocol and operational
requirements have evolved. It makes more sense now to separate the
two sets of requirements into two separate documents. The
operational requirements are defined in [RSSAC-001]. This document
defines the protocol requirements and some deployment requirements.
The root servers are authoritative servers of the unique [RFC2826]
root zone (".")[ROOTZONE]. They currently also serve the root-
servers.net zone. Some also serve the zone for the .arpa top-level
domain[ARPAZONE]. This document describes the external interface of
the root name servers from a protocol viewpoint of the service. It
specifies basic requirements for the Internet that DNS clients meet
when interacting with a root name service over the public Internet.
The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD,
SHOULD NOT, RECOMMENDED, MAY, and OPTIONAL, when they appear in this
document, are to be interpreted as described in BCP 14, [RFC2119].
1.1. RFC 2870 as Historic
This document obsoletes and reclassifies [RFC2870] as Historic.
This document and [RSSAC-001] together functionally replace
[RFC2870].
2. Protocol Requirements
This section describes the minimum high-level protocol requirements.
Operative details are documented in [RSSAC-001] and implementation is
left to the operators of the root name service.
The root name service:
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MUST implement core DNS [RFC1035] and clarifications to the DNS
[RFC2181].
MUST support IPv4[RFC0791] and IPv6[RFC2460] transport of DNS
queries and responses.
MUST support UDP[RFC0768] and TCP[RFC0793] transport of DNS
queries and responses.
MUST generate checksums when sending UDP datagrams and MUST verify
checksums when receiving UDP datagrams containing a non-zero
checksum.
MUST implement DNSSEC[RFC4035], as an authoritative name service.
MUST implement EDNS(0)[RFC6891].
3. Deployment Requirements
The root name service:
MUST answer queries from any entity conforming to [RFC1122] with a
valid IP address.
MUST serve the unique [RFC2826] root zone[ROOTZONE].
4. Security Considerations
This document does not specify a new protocol. However, the root
name service is a key component of the Internet architecture and play
a key role into the overall security of the Internet[RFC2826].
Specific security considerations on the DNS protocols are discussed
in their respective specifications. The security considerations on
the operational side of the root name servers are discussed in
[RSSAC-001].
5. IANA Considerations
This document has no action for IANA.
6. Acknowledgements
Some text was taken from [RFC2870]. The editors of this document
would like to sincerely thank the following individuals for valuable
contributions to the text: Andrew Sullivan, Simon Perreault, Jean-
Philippe Dionne, Dave Thaler, Russ Housley, Alissa Cooper, Joe Abley,
Joao Damas, Daniel Karrenberg, Jacques Latour, Eliot Lear, Bill
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Manning, David Conrad, Paul Hoffman, Terry Manderson, Jari Arkko,
Mark Andrews.
7. Informative References
[ARPAZONE]
Internet Assigned Numbers Authority (IANA), , ".ARPA Zone
Management", <http://www.iana.org/domains/arpa>.
[RFC0768] Postel, J., "User Datagram Protocol", STD 6, RFC 768,
DOI 10.17487/RFC0768, August 1980,
<http://www.rfc-editor.org/info/rfc768>.
[RFC0791] Postel, J., "Internet Protocol", STD 5, RFC 791,
DOI 10.17487/RFC0791, September 1981,
<http://www.rfc-editor.org/info/rfc791>.
[RFC0793] Postel, J., "Transmission Control Protocol", STD 7,
RFC 793, DOI 10.17487/RFC0793, September 1981,
<http://www.rfc-editor.org/info/rfc793>.
[RFC1035] Mockapetris, P., "Domain names - implementation and
specification", STD 13, RFC 1035, DOI 10.17487/RFC1035,
November 1987, <http://www.rfc-editor.org/info/rfc1035>.
[RFC1122] Braden, R., Ed., "Requirements for Internet Hosts -
Communication Layers", STD 3, RFC 1122,
DOI 10.17487/RFC1122, October 1989,
<http://www.rfc-editor.org/info/rfc1122>.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<http://www.rfc-editor.org/info/rfc2119>.
[RFC2181] Elz, R. and R. Bush, "Clarifications to the DNS
Specification", RFC 2181, DOI 10.17487/RFC2181, July 1997,
<http://www.rfc-editor.org/info/rfc2181>.
[RFC2460] Deering, S. and R. Hinden, "Internet Protocol, Version 6
(IPv6) Specification", RFC 2460, DOI 10.17487/RFC2460,
December 1998, <http://www.rfc-editor.org/info/rfc2460>.
[RFC2826] Internet Architecture Board, "IAB Technical Comment on the
Unique DNS Root", RFC 2826, DOI 10.17487/RFC2826, May
2000, <http://www.rfc-editor.org/info/rfc2826>.
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[RFC2870] Bush, R., Karrenberg, D., Kosters, M., and R. Plzak, "Root
Name Server Operational Requirements", BCP 40, RFC 2870,
DOI 10.17487/RFC2870, June 2000,
<http://www.rfc-editor.org/info/rfc2870>.
[RFC3172] Huston, G., Ed., "Management Guidelines & Operational
Requirements for the Address and Routing Parameter Area
Domain ("arpa")", BCP 52, RFC 3172, DOI 10.17487/RFC3172,
September 2001, <http://www.rfc-editor.org/info/rfc3172>.
[RFC4035] Arends, R., Austein, R., Larson, M., Massey, D., and S.
Rose, "Protocol Modifications for the DNS Security
Extensions", RFC 4035, DOI 10.17487/RFC4035, March 2005,
<http://www.rfc-editor.org/info/rfc4035>.
[RFC6891] Damas, J., Graff, M., and P. Vixie, "Extension Mechanisms
for DNS (EDNS(0))", STD 75, RFC 6891,
DOI 10.17487/RFC6891, April 2013,
<http://www.rfc-editor.org/info/rfc6891>.
[ROOTZONE]
"Root Zone", <ftp://rs.internic.net/domain/root.zone>.
[RSSAC-001]
Root Server System Advisory Committee (RSSAC), , "Service
Expectations of Root Servers", November 2014,
<https://www.icann.org/en/system/files/files/rssac-001-
draft-20nov14-en.pdf>.
Authors' Addresses
Marc Blanchet
Viagenie
246 Aberdeen
Quebec, QC G1R 2E1
Canada
Email: Marc.Blanchet@viagenie.ca
URI: http://viagenie.ca
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Lars-Johan Liman
Netnod Internet Exchange
Box 30194
SE-104 25 Stockholm
Sweden
Email: liman@netnod.se
URI: http://www.netnod.se/
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