Analysis of single-path and multi-path AODVs over Manhattan Grid mobility model for mobile Ad hoc networks

The role of routing protocols is important to properly route control and data traffics to the desired locations. Some nodes store a single path to a destination while others store multiple paths, depending on the core mechanisms of protocols. We use Transmission Control Protocol (TCP) as a traffic source to evaluate the performance differences of a single path Ad hoc On-demand Distance Vector (AODV) and Ad hoc On-demand Multipath Distance Vector (AOMDV) over the Manhattan Grid mobility model. Throughput, packet loss rate, average delay, and normalized routing load are measured as performance metrics. The simulation results show that AOMDV obtains a significant improvement where the node speed and node density are varied across the Manhattan model. On the contrary, for the variations of TCP traffic load, average delay and packet loss rates of AOMDV are not significant enough if compared to AODV.