Demographically weighted traffic flow models for adaptive routing in packet-switched non-geostationary satellite meshed networks

Authors:
M. Mohorcic;A. Svigelj;G. Kandus;Y. F. Hu;R. E. Sheriff
Affiliations:
Department of Digital Communications and Networks, Institut Jozef Stefan, Jamova 39, Ljubljana SI-1060, Slovenia;Department of Digital Communications and Networks, Institut Jozef Stefan, Jamova 39, Ljubljana SI-1060, Slovenia;Department of Digital Communications and Networks, Institut Jozef Stefan, Jamova 39, Ljubljana SI-1060, Slovenia;University of Bradford, Richmond Road, Bradford BD7 1DP, UK;University of Bradford, Richmond Road, Bradford BD7 1DP, UK
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking
Year:
2003

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Abstract

In this paper, a performance analysis of adaptive routing is presented for packet-switched inter-satellite link (ISL) networks, based on shortest path routing and two alternate link routing forwarding policies. The selected routing algorithm and link-cost function are evaluated for a low earth orbit satellite system, using a demographically weighted traffic flow model. Two distinct traffic flow patterns are modelled: hot spot and regional. Performance analysis, in terms of quality of service and quantity of service, is derived using specifically developed simulation software to model the ISL network, taking into account topology adaptive routing only, or topology and traffic adaptive routing.