An Efficient Caching Mechanism with Optimized Economic Utility-Aware Enhanced Reliable Opportunistic Routing Protocol for Enhancement on Storage Space Utilization in MANETs


Authors : U. Sridevi; Dr. K. Kamaraj

Volume/Issue : Volume 5 - 2020, Issue 10 - October

Google Scholar : http://bitly.ws/9nMw

Scribd : https://bit.ly/3lRWMgg

For Mobile Adhoc Networks (MANETs), different routing protocols have been developed to improve the network lifespan by reducing the Energy Consumption (EC) of nodes. Since each node within the network has limited energy resources for multi-path data transmission. To solve this constraint, an Optimized Economic Utility-Aware Enhanced Reliable Opportunistic Routing (OEUAEROR) protocol has been proposed which provides an optimal resource algorithm for increasing the efficiency of large-scale networks. Conversely, the network traffic was not reduced since this protocol constrains the cache or memory space of each node in the network. As a result, an Optimized Cache space enhanced EUAEROR (OCEUAEROR) protocol is proposed in this article to minimize the traffic over the network and improve the cache space usage effectively. To do this, a combined version of OEUAEROR protocol and Storage Efficient Caching (SEC) scheme is proposed. This protocol can be performed on the basis that a data packet at any node consists of the data packets of that node and the lost data packets from its nearby nodes. Besides, a Generalized Dominating Set (GDS) method is applied by using the entire cached packets to choose the most suitable nodes as the caching locations for data packet replicas and prevent the packet loss due to the network traffic. At last, the simulation outcomes analyze that the effectiveness of the proposed OCEUAEROR protocol compared to the OEUAEROR protocol in terms of throughput (TP), End-to-End Delay (E2D), Packet Delivery Ratio (PDR), Network Lifetime (NetLife), EC and Control Overhead (CO).

Keywords : MANET, Multipath Routing, OEUAEROR Protocol, Caching, Memory Utilization, Generalized Dominating Set

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