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RFC 3684
Title: Topology Dissemination Based on Reverse-Path
Forwarding (TBRPF)
Author(s): R. Ogier, F. Templin, M. Lewis
Status: Experimental
Date: February 2004
Mailbox: ogier@erg.sri.com, ftemplin@iprg.nokia.com,
lewis@erg.sri.com
Pages: 46
Characters: 107963
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-manet-tbrpf-11.txt
URL: ftp://ftp.rfc-editor.org/in-notes/rfc3684.txt
Topology Dissemination Based on Reverse-Path Forwarding (TBRPF) is a
proactive, link-state routing protocol designed for mobile ad-hoc
networks, which provides hop-by-hop routing along shortest paths to
each destination. Each node running TBRPF computes a source tree
(providing paths to all reachable nodes) based on partial topology
information stored in its topology table, using a modification of
Dijkstra's algorithm. To minimize overhead, each node reports only
*part* of its source tree to neighbors. TBRPF uses a combination of
periodic and differential updates to keep all neighbors informed of
the reported part of its source tree. Each node also has the option to
report additional topology information (up to the full topology), to
provide improved robustness in highly mobile networks. TBRPF performs
neighbor discovery using "differential" HELLO messages which report
only *changes* in the status of neighbors. This results in HELLO
messages that are much smaller than those of other link-state routing
protocols such as OSPF.
This document is a product of the Mobile Ad-hoc Networks Working Group
of the IETF.
This memo defines an Experimental Protocol for the Internet community.
It does not specify an Internet standard of any kind. Discussion and
suggestions for improvement are requested. Distribution of this memo
is unlimited.
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Authors, for further information.
Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute
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