Un Estudio sobre el Funcionamiento de Algoritmos de Enrutamiento de Difusión Múltiple en Redes Ad hoc Inalámbricas
Raúl Aquino Santos, Arthur Edwards Block and Miguel García Ruiz
Facultad de Telemática Universidad de Colima C. P. 28040, Colima, Colima, México
e–mail: aquinor@ucol.mx , arted@ucol.mx , mgarcia@ucol.mx
Article received on November 16, 2006; accepted on December 07, 2007
]]>Abstract
This paper presents a performance analysis of topological and geographical multicast routing algorithms for mobile wireless ad hoc networks. Flooding and On–Demand Multicast Routing Protocol (ODMRP) are simulated and compared with two novels protocols proposed: Topological Multicast Routing Protocol (ToMuRo) and Geographical Multicast Routing Protocol (GeMuRo) in pedestrian and vehicular scenarios. The scenarios evaluated consider one multicast transmitter and one, two, and three multicast receivers under various mobility and transmission ranges. The behavior of 250 nodes is evaluated in terms of End to End Delay (EED), Jitter and packet delivery ratio and overhead. Results show that ToMuRo is suitable for pedestrian scenarios due to its tree–based architecture and GeMuRo is proper for vehicular scenarios because it is based on a mesh topology.
Keywords: Multicast routing algorithms, multi–hop wireless networks, wireless ad hoc networks, topological routing algorithms, geographical routing algorithm.
Resumen
Este trabajo presenta un análisis sobre el funcionamiento de algoritmos de enrutamiento de difusión múltiple topológico y geográfico para redes ad hoc inalámbricas. El protocolo de enrutamiento de difusión múltiple sobre–demanda (ODMRP) y la inundación son simulados y comparados con dos nuevos protocolos propuestos: Protocolo de enrutamiento de difusión múltiple topológico (ToMuRo) y el protocolo de enrutamiento de difusión múltiple geográfico (GeMuRo) en escenarios pedestre y vehicular. El escenario evaluado considera un transmisor y uno, dos y tres receptores de difusión múltiple sobre varios rangos de movilidad y transmisión. El funcionamiento de 250 nodos se evalúa en términos del retardo punto a punto (EED), distorsión de fase (Jitter), la taza de entrega de paquetes y el sobre–procesamiento. Resultados muestran que ToMuRo es adecuado para escenarios pedestres debido a su arquitectura basada en árbol y GeMuRo es conveniente para escenarios vehiculares debido a que esta basado en una topología de malla.
Palabras Clave: Algoritmos de enrutamiento de difusión múltiple, redes inalámbricas multi–salto, redes ad hoc inalámbricas, algoritmos de enrutamiento topológicos, algoritmos de enrutamiento geográfico.
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]]>Acknowledgments
The authors acknowledge the support received by the Mexican National Council of Science and Technology (CONACYT) under project grant No. 48391.
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