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Agent based Bandwidth Reservation Routing Technique in Mobile Ad Hoc Networks

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Author(s): Vishnu Kumar Sharma, | Dr. Sarita Singh Bhadauria

Journal: International Journal of Advanced Computer Sciences and Applications
ISSN 2156-5570

Volume: 2;
Issue: 12;
Start page: 134;
Date: 2011;
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Keywords: Mobile Ad hoc Networks (MANETs) | Mobile Agents (MA) | Total Congestion Metric (TCM) | Enhanced Distributed Channel Access (EDCA) | Transmission opportunity limit (TXOP).

ABSTRACT
In mobile ad hoc networks (MANETs), inefficient resource allocation causes heavy losses to the service providers and results in inadequate user proficiency. For improving and automating the quality of service of MANETs, efficient resource allocation techniques are required. In this paper, we propose an agent based bandwidth reservation technique for MANET. The mobile agent from the source starts forwarding the data packets through the path which has minimum cost, congestion and bandwidth. The status of every node is collected which includes the bottleneck bandwidth field and the intermediate node computes the available bandwidth on the link. At the destination, after updating the new bottleneck bandwidth field, the data packet is feedback to the source. In resource reservation technique, if the available bandwidth is greater than bottleneck bandwidth, then bandwidth reservation for the flow is done. Using rate monitoring and adjustment methodologies, rate control is performed for the congested flows. By simulation results, we show that the resource allocation technique reduces the losses and improves the network performance.
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