Abstract
Due to the dynamic nature of Mobile Ad-hoc Networks (MANETs), the provision of Quality of Service (QoS) guarantees is challenging. The route failure probability in a MANET is increased due to the mobility of nodes, which increases routing overhead. Multi-path routing protocols have relatively greater ability to reduce the routing overheads. This paper discuses the performance analysis of the Ad-hoc On-Demand Multi-Path Distance Vector (AOMDV) routing protocol. AOMDV is a multi-path extension of a very well known single path routing protocol, (AODV). Extensive simulations were carried out using ns-2.34 and the study concluded that for CBR traffic AOMDV performance degrades as the data packet generation rate increases.
Highlights
INTRODUCTIONThe provision of Quality of Service (QoS) guarantees is much more challenging in Mobile Ad-hoc Networks (MANETs) than that of wire-line networks
A mobile Ad-hoc network is a self configuring network of mobile devices
Depending on the time of route discovery Mobile Ad-hoc Networks (MANETs) routing protocols are divided into two categories; table-driven routing protocol and on-demand routing protocol
Summary
The provision of Quality of Service (QoS) guarantees is much more challenging in Mobile Ad-hoc Networks (MANETs) than that of wire-line networks This is mainly due to the mobile nature of MANETs’ nodes, and other characteristics of MANETs such as Multi hop communication and lack of central coordination. On-demand multi-path routing protocols discover multiple paths between a source-destination pair, in a single route discovery. A single path routing protocol has to invoke a new route discovery whenever the only path from source to destination fails. AOMDV has three novel aspects compared to other on-demand multi-path routing protocols It does not have internodal coordination overheads like some other protocols. AOMDV computes alternate paths with minimal additional overhead over AODV It does this by exploiting as much as possible already available alternate path routing information [1].
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