A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : ENUM Requirement for EDNS0 Support
Author(s) : L. Conroy, J. Reid
Filename : draft-conroy-enum-edns0-00.txt
Pages : 16
Date : 2005-10-10
This document mandates support for EDNS0 (Extension Mechanisms for
DNS) in DNS entities claiming to support ENUM query resolution. This
requirement is needed as DNS responses to ENUM-related questions
return large RRSets. Without EDNS0 support in all the involved
entities, a fallback to TCP transport for ENUM queries and responses
would typically occur. That has a severe impact on DNS Server load,
and on latency of ENUM queries.
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