I-D Action:draft-ietf-dhc-leasequery-by-remote-id-06.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 Dynamic Host Configuration Working Group of the IETF.


	Title           : DHCPv4 Leasequery by Relay Agent Remote ID
	Author(s)       : P. Kurapati, B. Joshi
	Filename        : draft-ietf-dhc-leasequery-by-remote-id-06.txt
	Pages           : 17
	Date            : 2010-08-06

Some Relay Agents extract lease information from the DHCP messages
exchanged between the client and DHCP server.  This lease information
is used by relay agents for various purposes like antispoofing and
prevention of flooding.  RFC 4388 defines a mechanism for relay
agents to retrieve the lease information from the DHCP server as and
when this information is lost.  The existing leasequery mechanism is
data driven, which means that a relay agent can initiate the
leasequery only when it starts receiving data from/to the clients.
In certain scenarios, this model is not scalable.  This document
first looks at issues in existing mechanism and then proposes a new
query type, query by Remote ID, to address these issues.

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