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I-D ACTION:draft-ietf-ospf-dc-05.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Open Shortest Path First IGP Working Group of the IETF.

	Title		: Detecting Inactive Neighbors over OSPF Demand Circuits
	Author(s)	: S. Rao, A. Zinin, A. Roy
	Filename	: draft-ietf-ospf-dc-05.txt
	Pages		: 5
	Date		: 2002-11-4
	
OSPF is a link-state intra-domain routing protocol used in IP
networks. OSPF behavior over demand circuits is optimized in RFC1793
to minimize the amount of overhead traffic. A part of OSPF demand
circuit extensions is the Hello suppression mechanism. This technique
allows a demand circuit to go down when no interesting traffic is
going through the link. However, it also introduces a problem, where
it becomes impossible to detect a OSPF-inactive neighbor over such a
link. This memo addresses the above problem by the neighbor probing
mechanism.

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