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Alternate link routing for traffic engineering in packet-oriented ISL networks

Mohorcic, M. and Werner, M. and Švigelj, A. and Kandus, G. (2001) Alternate link routing for traffic engineering in packet-oriented ISL networks. International Journal of Satellite Communications, 19 (5), pp. 463-480.

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Abstract

The implementation of a satellite communication network consisting of intersatellite links provides a highly interconnected backbone in the space segment, increasing the network flexibility and reliability, while, on the other hand, introducing numerous issues related to network dimensioning, efficient resource management, adaptive routing, etc. In this paper we study two forwarding policies based on alternate link routing (ALR) and compare their performance with that of a simple forwarding policy employing shortest path routing (SPR) without options. All forwarding policies compared in this study are operating on routing tables calculated with the Dijkstra shortest path algorithm, capable of adapting to traffic load and propagation delay on the links through the appropriately selected link cost metric. Using an ISL network simulator, we demonstrate that both ALR forwarding policies can efficiently handle traffic load sharing among alternative routes, significantly reducing peak values of link load which is a central goal of ISL network dimensioning.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2002,
Title:Alternate link routing for traffic engineering in packet-oriented ISL networks
Authors:
AuthorsInstitution or Email of Authors
Mohorcic, M.Institut Jozef Stefan, Ljubljana, Slovenia
Werner, M.UNSPECIFIED
Švigelj, A.Institut Jozef Stefan, Ljubljana, Slovenia
Kandus, G.Institut Jozef Stefan, Ljubljana, Slovenia
Date:2001
Journal or Publication Title:International Journal of Satellite Communications
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:19
Page Range:pp. 463-480
Status:Published
Keywords:adaptive routing; alternate link routing; traffic load sharing; forwarding policy; packet switching; non-geostationary satellites; intersatellite links
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W KN - Kommunikation/Navigation
DLR - Research area:Space
DLR - Program:W KN - Kommunikation/Navigation
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 21:01

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