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An efficient path selection algorithm for on-demand link-state hop-by-hop routing

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2 Author(s)
Roy, S. ; Dept. of Comput. Eng., California Univ., Santa Cruz, CA, USA ; Garcia-Luna-Aceves, J.J.

Traditional routing protocols based on link-state information form a network topology through the exchange of link-state information by flooding or by reporting partial topology information and compute shortest routes to each reachable destination using a path-selection algorithm like Dijkstra's algorithm or the Bellman-Ford algorithm. However, in an on-demand link-state routing protocol, no one node needs to know the paths to every other node in the network. Accordingly, when a node chooses a next hop for a given destination, it must be true that the next hop has reported a path to the same destination; otherwise, packets sent through that node would be dropped. We present a new path-selection algorithm that unlike traditional shortest path algorithms, computes shortest paths with the above on-demand routing constraint.

Published in:

Computer Communications and Networks, 2002. Proceedings. Eleventh International Conference on

Date of Conference:

14-16 Oct. 2002