[DNSOP] I-D Action: draft-ietf-dnsop-nsec-aggressiveuse-04.txt

internet-drafts@ietf.org Fri, 07 October 2016 23:18 UTC

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Subject: [DNSOP] I-D Action: draft-ietf-dnsop-nsec-aggressiveuse-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Domain Name System Operations of the IETF.

        Title           : Aggressive use of NSEC/NSEC3
        Authors         : Kazunori Fujiwara
                          Akira Kato
                          Warren Kumari
	Filename        : draft-ietf-dnsop-nsec-aggressiveuse-04.txt
	Pages           : 15
	Date            : 2016-10-07

   The DNS relies upon caching to scale; however, the cache lookup
   generally requires an exact match.  This document specifies the use
   of NSEC/NSEC3 resource records to allow DNSSEC validating resolvers
   to generate negative answers within a range, and positive answers
   from wildcards.  This increases performance / decreases latency,
   decreases resource utilization on both authoritative and recursive
   servers, and also increases privacy.  It may also help increase
   resilience to certain DoS attacks in some circumstances.

   This document updates RFC4035 by allowing validating resolvers to
   generate negative based upon NSEC/NSEC3 records (and positive answers
   in the presence of wildcards).

   [ 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-ietf-
   dnsop-nsec-aggressiveuse.  The most recent version of the document,
   open issues, etc should all be available here.  The authors
   (gratefully) accept pull requests.]

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