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Space based Internets will be used to move earth observation data through satellite constellations to ground based receiving stations. Routing observation traffic in this environment is constrained by individual satellite orbits, individual satellite capabilities, observation schedules, ground station schedules, and rapidly evolving natural events. Among many global routing algorithms, Dijkstra algorithm is mostly preferred as it is faster as compared to any other algorithm and its implementation is easier. For this reason, this paper implements a routing algorithm of Dijkstra for space based Internets under constraints mentioned above.
Date of Conference: 3-5 Nov. 2009