Routing in Manets
Routing in MANETs: Proactive vs Reactive
Chigbogu Samuel Nwanjah K1161430
Network Security Coursework Network and Information Security January/February 2012 K1161430@kingston.ac.uk, zacchybros@gmail.com Abstract – This report aims at presenting an evaluation of Proactive and Reactive routing protocols using some performance statistics as it applies to Mobile Ad hoc NETworks (MANETs). This report also presents an evaluation of these protocols based on the result of the simulations carried out as part of this work. The simulations were done using ViSim (a visual MANET simulator). But first, the concept of MANET is described which includes its modus operandi. The theories behind the routing protocols are also briefly presented. The report is concluded with recommendations based on the analysis of the simulation results. Reactive routing protocols with focus on the particular routing protocols that will be used for the simulation; Section 4 presents the simulation software and a description of the scenario that was simulated; Section 5 presents the analysis of the simulation results; and the conclusion is presented in Section 6.
2. WHAT ARE MANETS?
MANETs are made up of independent nodes that can relate directly with each other through a collaborative communication scheme. MANETs are developed to be deployed in situations or places where there are no communication infrastructures. MANETs can also be deployed at locations with communication infrastructures that have been saturated due to emergency situations. MANETs deployed in such scenarios are termed as emergency MANETs – eMANETs [1]. For a typical MANET communication cycle, the node that needs to send a message must be linked to the recipient either directly or through intermediate nodes. These intermediate nodes act as mobile routers (in a multi-hop pattern) in scenarios where the sending node cannot directly connect to the recipient node. It does not necessarily mean that the role a particular node plays in
Chigbogu Samuel Nwanjah K1161430
Network Security Coursework Network and Information Security January/February 2012 K1161430@kingston.ac.uk, zacchybros@gmail.com Abstract – This report aims at presenting an evaluation of Proactive and Reactive routing protocols using some performance statistics as it applies to Mobile Ad hoc NETworks (MANETs). This report also presents an evaluation of these protocols based on the result of the simulations carried out as part of this work. The simulations were done using ViSim (a visual MANET simulator). But first, the concept of MANET is described which includes its modus operandi. The theories behind the routing protocols are also briefly presented. The report is concluded with recommendations based on the analysis of the simulation results. Reactive routing protocols with focus on the particular routing protocols that will be used for the simulation; Section 4 presents the simulation software and a description of the scenario that was simulated; Section 5 presents the analysis of the simulation results; and the conclusion is presented in Section 6.
2. WHAT ARE MANETS?
MANETs are made up of independent nodes that can relate directly with each other through a collaborative communication scheme. MANETs are developed to be deployed in situations or places where there are no communication infrastructures. MANETs can also be deployed at locations with communication infrastructures that have been saturated due to emergency situations. MANETs deployed in such scenarios are termed as emergency MANETs – eMANETs [1]. For a typical MANET communication cycle, the node that needs to send a message must be linked to the recipient either directly or through intermediate nodes. These intermediate nodes act as mobile routers (in a multi-hop pattern) in scenarios where the sending node cannot directly connect to the recipient node. It does not necessarily mean that the role a particular node plays in