I-D ACTION:draft-ietf-dnsop-serverid-05.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 Working Group of the IETF.

	Title		: Requirements for a Mechanism Identifying a Name Server Instance
	Author(s)	: D. Conrad, S. Woolf
	Filename	: draft-ietf-dnsop-serverid-05.txt
	Pages		: 11
	Date		: 2005-10-28
	
With the increased use of DNS anycast, load balancing, and other
   mechanisms allowing more than one DNS name server to share a single
   IP address, it is sometimes difficult to tell which of a pool of name
   servers has answered a particular query.  A standardized mechanism to
   determine the identity of a name server responding to a particular
   query would be useful, particularly as a diagnostic aid for
   administrators.  Existing ad hoc mechanisms for addressing this
   concern have some shortcomings, not the least of which is the lack of
   prior analysis of exactly how such a mechanism should be designed and
   deployed.  This document describes the existing convention used in
   some widely deployed implementations of the DNS protocol, including
   advantages and disadvantages, and discusses some attributes of an
   improved mechanism.

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