BENEFIT-BASED DATA CACHING IN AD HOC NETWORKS-MOBILE COMPUTING

Data caching can significantly improve the efficiency of information access in a wireless ad hoc network by reducing the access latency and bandwidth usage. However, designing efficient distributed caching algorithms is non-trivial when network nodes have limited memory. In this article, we consider the cache placement problem of minimizing total data access cost in ad hoc networks with multiple data items and nodes with limited memory capacity. The above optimization problem is ....etc

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Data Replication in Mobile Ad Hoc Networks is an interesting area to do research. From the attached document you can clearly understand the concept of Consistency Management Strategies for Data Replication in Mobile Ad Hoc Networks. ....etc

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ABSTRACT
The vision of nomadic computing with its ubiquitous access hasstimulated much interest in the Mobile Ad Hoc Networking(MANET) technology. However, its proliferation strongly dependson the availability of security provisions, among other factors. In theopen, collaborative MANET environment practically any node canmaliciously or selfishly disrupt and deny communication of othernodes. In this paper, we present and evaluate the Secure MessageTransmission (SMT) protocol, which safeguards the datatransmission against arbitrary malic ....etc

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Summary: A mobile ad hoc network (MANET) is a collection of mobile nodes that forms a provisional network dynamically without the aid of any predetermined infrastructure. The salient nature of ad hoc networks renders them vulnerable to numerous types of security attacks. The dynamic feature of ad hoc networks makes enforcement of security become an extremely challenging issue. The main problem of many proposed routing protocols for ad hoc networks is that these protocols have critical susceptibilities to security attacks. Effective operation of ....etc

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Presented By-
Kirti Dixit
Uday joshi


C&W
Chaffing & winnowing Confidentiality w/o Encryption…………
definition
 Chaff – worthless parts
 To winnow –to separate out the chaff
 No Encryption, no decryption !
 No Export control ?
introduction
 first proposed by Ronald Rivest
 achieve confidentiality in message transmission.
 a cryptographic technique
 achieve confidentiality w/o using encryption
 Chaffing ->
 adding fake packets with bogus MACs.
....etc

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im looking for towards reliable data delivery for highly dynamic mobile ad hoc networks ppt
m looking for towards reliable data delivery for highly dynamic mobile ad hoc networks ppt ....etc

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i need documentation for tis project and need to explain future enhancement ....etc

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Abstract—This paper addresses the problem of delivering data packets for highly dynamic mobile ad hoc networks in a reliable and timely manner. Most existing ad hoc routing protocols are susceptible to node mobility, especially for large-scale networks. Driven by this issue, we propose an efficient Position-based Opportunistic Routing (POR) protocol which takes advantage of the stateless property of geographic routing and the broadcast nature of wireless medium. When a data packet is sent out, some of the neighbor nodes that have overheard th ....etc

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Abstract

Opportunistic networks are one of the most interesting evolutions of MANETs. In opportunistic networks, mobile nodes are enabled to communicate with each other even if a route connecting them never exists. Furthermore, nodes are not supposed to possess or acquire any knowledge about the network topology, which is instead necessary in traditional MANET routing protocols. Routes are built dynamically, while messages are en route between the sender and the destination(s), and any possible node can opportunistically be used as ....etc

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