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Communication protocols for Mobile Ad hoc NETworks (MANETs) follow either an Optimum Routing Approach (ORA) or the Least Overhead Routing Approach (LORA): With ORA, protocols tend to determine and use the optimal communication structure at every time instant; whereas with LORA, a protocol tends to use a chosen communication structure as long as it exists. In this paper, the authors study the impact of the ORA and LORA strategies on minimum hop routes and Minimum Connected Dominating Sets (MCDS) in MANETs. The primary hypothesis is that the LORA strategy could yield routes with a larger time-averaged hop count and MCDS node size when compared to the minimum hop count of routes and the node size of the MCDS determined using the ORA strategy.
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