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Network Working Group                                          S. Weiler
Internet-Draft                                              SPARTA, Inc.
Expires: January 2, 2008                                    July 1, 2007


            DNSSEC Lookaside Validation (DLV) IANA Registry
                  draft-weiler-dnssec-dlv-iana-00.txt

Status of this Memo

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   This Internet-Draft will expire on January 2, 2008.

Copyright Notice

   Copyright (C) The IETF Trust (2007).

Abstract

   DNSSEC Lookaside Validation (DLV) is a mechanism for publishing
   DNSSEC trust anchors outside of the DNS delegation chain.  This
   document asks IANA to create a DLV registry containing entries for
   TLDs as well as the reverse-tree delegations maintained by IANA.








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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 3
   2.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 3
   3.  Security Considerations . . . . . . . . . . . . . . . . . . . . 3
   4.  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 4
     4.1.  Normative References  . . . . . . . . . . . . . . . . . . . 4
     4.2.  Informative References  . . . . . . . . . . . . . . . . . . 4
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . . . 4
   Intellectual Property and Copyright Statements  . . . . . . . . . . 5









































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1.  Introduction

   This document assumes familiarity with DNSSEC Lookaside Validation
   (DLV) [I-D.weiler-dnssec-dlv] as well as the core DNSSEC
   specifications [RFC4033] [RFC4034] [RFC4035].

   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 RFC 2119 [RFC2119].


2.  IANA Considerations

   IANA is asked to create a DLV registry at dlv.dnssec.arpa targeting
   the root and containing DLV records for those TLDs and reverse zones
   delegated directly by IANA that ask to have DLV records published for
   their own zones.

   IANA is instructed to use its own best practices for authenticating
   zone operators' requests to insert, modify, and delete DLV entries.

   This DLV registry MUST itself be signed with DNSSEC.

   To be clear, IANA is only being asked to publish DLV records for top
   level domains and reverse zones delegated directly from IANA, thereby
   taking advantage of the IANA's existing relationships with the these
   zone operations and established procedures for authenticating
   requests from these zone operators.


3.  Security Considerations

   General security considerations for DLV are discussed in
   [I-D.weiler-dnssec-dlv].

   A DLV registry is a signed zone, much like any other.  IANA is asked
   to use ordinary operating procedures for this signed zone, as
   described in [RFC4641].  In particular, it is suggested that IANA use
   2048-bit RSA keys for both the KSK and ZSKs in this zone and roll the
   KSK at least once per year for the first four years this registry is
   in operation.  (The ZSK will presumably be rolled somewhat more
   often.)  IANA is encouraged to generate several KSKs for this zone
   immediately and publish a hash of each of those keys, perhaps in the
   form of a DS record, at the time the registry goes into production
   service.


4.  References



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4.1.  Normative References

   [I-D.weiler-dnssec-dlv]
              Weiler, S., "DNSSEC Lookaside Validation (DLV)",
              draft-weiler-dnssec-dlv-03 (work in progress), July 2007.

   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
              Requirement Levels", BCP 14, RFC 2119, March 1997.

4.2.  Informative References

   [RFC4033]  Arends, R., Austein, R., Larson, M., Massey, D., and S.
              Rose, "DNS Security Introduction and Requirements",
              RFC 4033, March 2005.

   [RFC4034]  Arends, R., Austein, R., Larson, M., Massey, D., and S.
              Rose, "Resource Records for the DNS Security Extensions",
              RFC 4034, March 2005.

   [RFC4035]  Arends, R., Austein, R., Larson, M., Massey, D., and S.
              Rose, "Protocol Modifications for the DNS Security
              Extensions", RFC 4035, March 2005.

   [RFC4641]  Kolkman, O. and R. Gieben, "DNSSEC Operational Practices",
              RFC 4641, September 2006.


Author's Address

   Samuel Weiler
   SPARTA, Inc.
   7110 Samuel Morse Drive
   Columbia, Maryland  21046
   US

   Email: weiler@tislabs.com















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Acknowledgment

   Funding for the RFC Editor function is provided by the IETF
   Administrative Support Activity (IASA).





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