Performance evaluation of VoIP in MANET
Abstract
MANET networks are an attractive option for VoIP solutions in scenarios that are characterized by the mobility of nodes and where there is not a previously established infrastructure. However, the voice support faces more rigorous challenges in MANET networks than those of others networks. The dynamic with which topology changes affects important parameters to measure quality such as delay, packet loss and delay variation. In this work we measured the impact of metrics such as hop count, traffic load, node density and number of route breaks have over the performance of VoIP applications in MANET through simulation. Such simulations have allowed the comparison of the behavior of three important routing protocols. From the results reached, it has been shown that the studied metrics have a more unstable behavior in MANET than in other networks that are also candidates to carry mobile services. However, there is a lot of expectation with the possibility of using these technologies (VoIP and MANET) to provide low-cost mobile telephony due to the ease of deployment and simplicity of its infrastructure.
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References
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