Abstract
Performance evaluation of Mobile Ad-hoc Network (MANET) routing protocols is essential for selecting the appropriate protocol for the network. Many routing protocols and different simulation tools were proposed to address this task. This paper will introduce an overview of MANETs routing protocols as well as evaluate MANET performance by using three reactive protocols—Dynamic Source Routing (DSR), Ad-Hoc On-demand Distance Vector (AODV), and Dynamic MANET On-Demand (DYMO)—in three different scenarios. These scenarios are designed carefully to mimic real situations by using OMNET++. The first scenario evaluates the performance when the number of nodes increases. In the second scenario, the performance of the network will be evaluated in the presence of obstacles. In the third scenario, a group of nodes will be suddenly shut down during the communication. The network evaluation is carried out in terms of packets received, end-to-end delay, transmission count or routing overhead, throughput, and packet ratio.
Highlights
Wireless networks have reduced the use of wired networks by enabling devices to communicate without using cables and wires
Ad-hoc networks can be classified into three types: Mobile Ad-hoc Networks (MANETs), Wireless Sensor Networks (WSNs), and Wireless Mesh Networks (WMNs)
The MANET protocols are in the network layer, and the ―manetrouting‖ module was used as a routing protocols pool with Dynamic Source Routing (DSR), AdHoc On-demand Distance Vector (AODV), and DYMO, which will help to configure the network
Summary
Wireless networks have reduced the use of wired networks by enabling devices to communicate without using cables and wires. Infrastructure-less or ad-hoc networks are direct connections between wireless devices with no infrastructure units such as a router or access point. In ad-hoc networks, the network can be set up with no aid from infrastructure units, such as access points. In this network, each node has a transmission range. The intermediate node will act as a router This independence in an ad-hoc network offers free deployment and low cost for the network. A MANET is a temporary auto-configuration network that supports users continuously and dynamically changes its network topology This means the nodes communicate without administration and may connect to the Internet or operate as standalones.
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