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 : Flooding optimizations in link-state routing protocols
Author(s) : A. Zinin, M. Shand
Filename : draft-ietf-ospf-isis-flood-opt-00.txt
Pages : 12
Date : 06-Nov-00
The flooding algorithm is one of the most important parts of any link
state routing protocol. It ensures that all routers within a link
state domain converge on the same topological information within a
finite period of time. To ensure reliability, typical implementations
of the flooding algorithm send new information via all interfaces
other than the one the new piece of information was received on. This
redundancy is necessary to guarantee that flooding is performed
reliably, but implies considerable overhead of utilized bandwidth and
CPU time if neighboring routers are connected with more than one
link. This document describes a method that reduces this overhead.
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