Derivation of DNS Name Predecessor and Successor

Document Type Replaced Internet-Draft (individual)
Authors Geoffrey Sisson  , Ben Laurie 
Last updated 2009-09-28 (latest revision 2004-12-02)
Replaced by RFC 4471
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Expired & archived
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IESG IESG state Replaced by draft-ietf-dnsext-dns-name-p-s
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a method for deriving the canonically-ordered predecessor and successor of a DNS name. This is expected to be useful for real-time NSEC resource record synthesis, which may be used in alterative implementations of DNSSEC-enabled DNS servers.


Geoffrey Sisson (
Ben Laurie (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)