Monday, 9 May 2016

Comparative analysis routing protocols in mobile AD-HOC network

Comparative analysis of different networks protocols in mobile AD-HOC network using NS-2 is a research project which compares various AD-HOC network protocols according to different performance metrics. It provides comparative analysis among different routing protocols using different parameters. This project report provides analysis of different AD-HOC routing protocols in different scenarios. 

It provides effective analysis of the protocols to understand which protocol works best in which scenario. This project compares protocols by changing number of nodes, queue length, number of destinations with mobility and without mobility. 

It checks packet delivery ratio of AODV, DSDV, AOMDV and DSR and determines which is better. This system is implemented using OTCL in Linux environment.

 Mobile Ad-hoc Network (MANET) is a set of number of nodes, which provide an environment over a shared wireless medium to communicate with each other without the presence of a predefined infrastructure or a centralized control. MANET is a self-organizing and self-configurable network which has no infrastructure network.

 It establishes a temporary connection where nodes can join or leave the network at
 any time. The previous researches on MANET routing protocols have focused on simulation study by various parameters, such as network size, node mobility, control overhead etc. 

This evaluation has been done on different scenario of different MANET routing protocols i.e. AODV (Ad Hoc On-Demand Vector), DSDV (Destination Sequenced Distance-Vector) and DSR (Dynamic Source Routing Protocol) on different number of nodes, queue length, number of destinations, different pause time and mobility with respect to the performances metric packet delivery ratio, routing overhead and end to end delay.

 It establishes a temporary connection where nodes can join or leave the network at any time. Here we have considered three different routing protocols of MANET i.e. AODV, DSDV and AOMDV. AODV and AOMDV are reactive routing protocols i.e. capability to discover a path towards destination dynamically by sending HELLO packets each time they want to perform routing. 

While DSDV is a proactive routing protocol which updates link connection periodically and it maintains table. We have compared the performance of these three protocols based on routing overhead and end-to-end delay under various conditions like number of nodes and pause time.

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