A Cluster-Based Security Architecture
for Ad Hoc Networks



Abstract

Secure communication is very important in computer
networks and authentication is one of the most eminent
preconditions. However, common authentication schemes are not
applicable in ad hoc networks because public key infrastructures
with a centralized certification authority are hard to deploy
there. We propose and evaluate a security concept based on a
distributed certification facility. A network is divided into clusters
with one ....etc

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Mobile Ad Hoc Networks (MANETs) Are Not A Fundamentally Flawed
Architecture




Introduction

In the near future, a truly pervasive computing
environment can be expected with traditional
home appliances attached with computing &
communicating powers and small devices like
mobile phones, Personal Digital Assistants &
wearable computers enhancing information
processing and accessing capabilities with
mobility. The MANET technology truly
supports pervasi ....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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DISTRIBUTED DATABASE ARCHITECTURE FOR GLOBAL ROMING IN MOBILE AD-HOC NETWORKS

ABSTRACT

This mobile network will support terminal mobility, personal mobility, and service provider portability, making global roaming seamless. A location-independent Personal Telecommunication Number (PTN) scheme is conducive to implementing such a global mobile system. However, the non geographic PTNs coupled with the anticipated large number of mobile user’s in future mobile networks may in ....etc

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We propose and analyze a scalable and efficient cluster-based group key management protocol for secure group communications in mobile ad hoc networks. For scalability and dynamic reconfigurability; we take a cluster-based approach by which group members are broken in to cluster-based subgroups and leaders in subgroups securely communicate with each other to agree on a group key in response to membership change and member mobility events. We show that secrecy requirement for group communication is satisfied. Further, there exists an optimal clus ....etc

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PRESENTED BY:
Narmadha.K
Panimalar.R
Pavithra.P
Praveena.M


FLEXIBLE HARDWARE ARCHITECTURE OF HIERARCHICAL K-MEANS CLUSTERING FOR LARGE CLUSTER NUMBER

ABSTRACT
 To Handle Large Cluster Number In Embedded Systems, A Hardware Architecture Of Hierarchical K-means (Hk-means) Is Proposed To Support A Maximum Cluster Number Of 1024.
 It Adopts 10 Processing Elements For The Euclidean Distance Computations And The Level-order Binary-tree Traversal
 The Gate Count Of The Hardware Is 4 ....etc

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