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A Performance Comparison of On-Demand Multicast Routing Protocols for Ad Hoc Networks



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A Performance Comparison of On Demand Multicast Routing Protocols for Ad Hoc Networks Jorjeta G Jetcheva and David B Johnson December 15 2004 CMU CS 04 176 School of Computer Science Computer Science Department Carnegie Mellon University Pittsburgh PA 15213 This work was supported in part by NASA under grant NAG3 2534 at Rice University by NSF under grants CNS 0209204 CNS 0325971 CNS 0338856 and CNS 0435425 at Rice University by a gift from Schlumberger to Rice University and by the Air Force Materiel Command AFMC under DARPA contract number F19628 96 C 0061 at Carnegie Mellon University The views and conclusions contained here are those of the authors and should not be interpreted as necessarily representing the official policies or endorsements either express or implied of NASA NSF Schlumberger AFMC DARPA Rice University Carnegie Mellon University or the U S Government or any of its agencies Keywords wireless ad hoc networks routing performance comparison multicast mesh networks Abstract In this paper we present a comparative performance evaluation of three general purpose ondemand multicast protocols namely ADMR MAODV and ODMRP focusing on the effects of changes such as increasing number of multicast receivers or sources application sending pattern and increasing number of nodes in the network We use mobile networks composed of 100 or 200 nodes with both a single active multicast group and multiple active multicast groups in the network in a wide range of multicast scenarios Although some simulation results for these protocols have been published before the three protocols have not been compared and prior studies have focused on smaller networks using a small set of simulation scenarios many with only a single active multicast group We focus here on the effects of the protocols relative degree of on demand behavior and their performance in different multicast scenarios 1 Introduction Routing in ad hoc networks requires the discovery of multi hop paths between the



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