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IETF RFC 5614
[ACTIVE]

Mobile Ad Hoc Network (MANET) Extension of OSPF Using Connected Dominating Set (CDS) Flooding

Metadata

Publisher
IETF
Doc Type
Experimental
Pages
71
Abstract
This document specifies an extension of OSPFv3 to support mobile ad hoc networks (MANETs). The extension, called OSPF-MDR, is designed as a new OSPF interface type for MANETs. OSPF-MDR is based on the selection of a subset of MANET routers, consisting of MANET Designated Routers (MDRs) and Backup MDRs. The MDRs form a connected dominating set (CDS), and the MDRs and Backup MDRs together form a biconnected CDS for robustness. This CDS is exploited in two ways. First, to reduce flooding overhead, an optimized flooding procedure is used in which only (Backup) MDRs flood new link state advertisements (LSAs) back out the receiving interface; reliable flooding is ensured by retransmitting LSAs along adjacencies. Second, adjacencies are formed only between (Backup) MDRs and a subset of their neighbors, allowing for much better scaling in dense networks. The CDS is constructed using 2-hop neighbor information provided in a Hello protocol extension. The Hello protocol is further optimized by allowing differential Hellos that report only changes in neighbor states. Options are specified for originating router-LSAs that provide full or partial topology information, allowing overhead to be reduced by advertising less topology information. This memo defines an Experimental Protocol for the Internet community.
Publication Date
2009-08-01
Status Note
Experimental
DOI
10.17487/RFC5614
Link
https://doi.org/10.17487/RFC5614
Author(s)
Richard Ogier
Phil Spagnolo
Keyword(s)
MANET, Link-state Routing, CDS Flooding, Meshes
Latest version of IETF RFC 5614

Document Versions — IETF RFC 5614

  • ▶ IETF RFC 5614 (2009-08-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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Normative Reference(s)

Bibliographic Reference(s)

  • Suurballe, J.W. and R.E. Tarjan, "A Quick Method for Finding Shortest Pairs of Disjoint Paths", Networks, Vol. 14, pp. 325-336, 1984. EXTERNAL
  • Lawler, E., "Combinatorial Optimization: Networks and Matroids", Holt, Rinehart, and Winston, New York, 1976. EXTERNAL
  • RFC4593 — RFC4593 EXTERNAL
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IETF RFC 5614, Mobile Ad Hoc Network (MANET) Extension of OSPF Using Connected Dominating Set (CDS) Flooding. Available at https://doi.org/10.17487/RFC5614
Snippet:
IETF RFC 5614, Mobile Ad Hoc Network (MANET) Extension of OSPF Using Connected Dominating Set (CDS) Flooding. Available at https://doi.org/10.17487/RFC5614

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IETF RFC 5614, Mobile Ad Hoc Network (MANET) Extension of OSPF Using Connected Dominating Set (CDS) Flooding. Available at https://doi.org/10.17487/RFC5614
Snippet:
<span class="citation"><cite>IETF RFC 5614</cite>, Mobile Ad Hoc Network (MANET) Extension of OSPF Using Connected Dominating Set (CDS) Flooding. Available at <a href="https://doi.org/10.17487/RFC5614" target="_blank" rel="noopener">https://doi.org/10.17487/RFC5614</a></span>

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IETF RFC 5614, Mobile Ad Hoc Network (MANET) Extension of OSPF Using Connected Dominating Set (CDS) Flooding
doi: 10.17487/RFC5614
url: https://doi.org/10.17487/RFC5614
Snippet:
<li>
<cite id="bib-rfc5614">IETF RFC 5614</cite>, Mobile Ad Hoc Network (MANET) Extension of OSPF Using Connected Dominating Set (CDS) Flooding
<span class="doi">10.17487/RFC5614</span>
</li>

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