Abstract
Mobile Ad-hoc Networks (MANETs) is a network without a fixed Infrastructure. In wireless networks users expect to get access to the network security and to exchange information anytime and anywhere. The ad hoc wireless network consists of mobile networks which creates architecture for communication without the help of traditional fixed-position routers. Establishing strong routes and providing security are the main tasks in MANETs. Routing is the critical issue in the MANET and focus based on routing protocols such as Ad hoc On-demand Distance Routing Protocol (AODV), Dynamic Source Routing (DSR), Temporally Ordered Routing Algorithm (TORA) and Optimized Link State Routing (OLSR) are interesting due to their applications. OPNET is used to establish the simulations of these routing protocols the performance of the routing protocols is studied by selecting metrics. Metrics are used to select the best path for exchanging information from source to destination. Result show that AODV and TORA is suitable for larger networks while changing network topology with selected metrics.
Highlights
The ad-hoc network is a collection of wireless mobile nodes forming a temporary network without centralized administration (Gupta et al, 2010)
We have briefly describe Ad hoc On-Demand Distance Vector Routing Protocol (AODV), Dynamic Source Routing (DSR), Temporally Ordered Routing Algorithm (TORA) and Optimized Link State Routing (OLSR) and conclude which protocol is suitable under performance metrics
In this study we observed and analyzing the number of nodes by increasing and decreasing for AODV, DSR, OLSR and TORA in wireless ad-hoc network. These four routing protocols are taken because some authors wrote that DSR is best in (Kant and Kumar, 2012) AODV is best in reference (Gupta et al, 2010) TORA is best
Summary
The ad-hoc network is a collection of wireless mobile nodes forming a temporary network without centralized administration (Gupta et al, 2010). Mobile Ad-hoc networks are self-organizing and self-configuring multihop wireless networks where, the structure of the network changes dynamically, due to the mobility of the nodes (Aarthy et al, 2011). Nodes in these networks utilize the same random access wireless channel and multihop forwarding. Ubiqutous devices incorporate some fundamental characterstics of MANET routing protocols. In wireless network routing is highly restrictive due to the characterstics of mobility nodes, protocols for routing have been getting alterted to reduce the complex of routing to move the information from source to destination. We have briefly describe AODV, DSR, TORA and OLSR and conclude which protocol is suitable under performance metrics
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