Due to the dynamic nature of mobile ad hoc network (MANET), the quality of service (QoS) requires several improvements. The\r\npresent paper comes within the framework of research to optimize QoS in MANET. In this paper, we propose a novel version of\r\nOLSR based on the clustering approach which is inspired from Lin and Chu heuristic and adapted to be implemented in OLSR.\r\nWe studied its stability and we compared its performances to those of standard OLSR.The metrics we used in evaluating network\r\nperformances were average end-to-end delay, control routing overhead, and packet delivery ratio. Experimental results show that\r\nour alternative significantly reduces the traffic reserved to monitoring the network, which positively influences other performances\r\nsuch as throughput, delay, and loss.
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