I-D ACTION:draft-ietf-ospf-dc-04.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 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-04.txt
        Pages           : 5
        Date            : 2002-9-23

OSPF [RFC2328] 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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