Abstract

We examine on-demand multicasting in ad hoc networks. We study a wide range of simulation scenarios and identify key limitations of MAODV. Based on our findings, we propose a number of changes in MAODV, and call the resulting protocol robust multicasting in ad hoc networks using trees (ROMANT). We compare ROMANT to MAODV and ODMRP, for a wide range of simulation scenarios. Our results indicate that ROMANT effectively eliminates the limitations of MAODV. Moreover, it provides comparable or better packet delivery ratio than ODMRP at only a fraction of the overhead incurred by ODMRP.

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