Evaluation of Multipath, Unipath and Hybrid Routing Protocols for Vehicular Ad Hoc Networks

Vehicular Adhoc Network (VANET) is a well known communication which includes communication between moving vehicles on the roads. VANET can be formed either using using existing infractructure or without preexisting infrastructure. With the VANET we can provide various kind of information to the vehicles for their safety and need. Routing protocols in VANET plays a very important role since many challenges like high speed, mobility, etc occurs within it. In this paper, an attempt is made to create realistic environment for the performance analysis of multipath, Unipath and hybrid routing protocol in city scenarios. The protocols evaluated are Ad hoc On demand Distance Vector (AODV), Ad-hoc On-demand Multipath Distance Vector Routing (AOMDV) and Destination Sequence Distance Vector (DSDV). All the three protocols are having their own specifications. In simulation, maps are used to model topology using traffic simulator and then vehicles with different parameter like length, maximum speed and acceleration etc. run on these topologies. The performance parameters evaluated in this paper are packet delivery ratio and end to end delay for the above said prototcols.