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Adaptive Opportunistic Routing based on Hamlet Framework for Wireless Ad Hoc Networks

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Author(s): Ch.Rajitha

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 5;
Start page: 1958;
Date: 2013;
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Keywords: Privacy-preserving | data publishing | functional dependency | utility | data reconstruction.

ABSTRACT
This paper introduces a cooperation-based database caching system for Mobile Ad Hoc Networks (MANETs). The heart of the system is the nodes that cache submitted queries. The queries are used as indices to data cached in nodes that previously requested them. We discuss how the system is formed and how requested data is found if cached, or retrieved from the external database and then cached. The system comprises Proxy Caches (PCs), for acting as the interface to remote Web services and the internally cached service responses, Request Directories (RDs) for caching the cache keys that act as indexes to the responses, and finally, the Caching Nodes (CNs) that cache the responses. This paper based on Hamlet framework allows MANET users to take caching decisions on content that they have retrieved from the network. The impact of the Zipf distribution exponent on the performance of the cache replacement strategies. We recall that an exponent that is equal to zero implies perfect homogeneity. Describes a distributed system designed for environments to cache proxies of consumed web services and responses of their invoked methods

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