Wireless ad hoc networks are inherently vulnerable, as any node can disrupt the communication of potentially any other node in the network. Many solutions to this problem have been proposed. In this paper, we take a fresh and comprehensive approach that addresses simultaneously three aspects: security, scalability and adaptability to changing network conditions. Our communication protocol, Castor, occupies a unique point in the design space: It does not use any control messages except simple packet acknowledgements, and each node makes routing decisions locally and independently without exchanging any routing state with other nodes. Its novel design makes Castor resilient to a wide range of attacks and allows the protocol to scale to large network sizes and to remain efficient under high mobility. We compare Castor against four representative protocols from the literature. Our protocol achieves up to two times higher packet delivery rates, particularly in large and highly volatile networks, while incurring no or only limited additional overhead. At the same time, Castor is able to survive more severe attacks and recovers from them faster.
TABLE OF CONTENTS
TITLE PAGE
CERTIFICATION
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENTS
CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF THE STUDY
1.2 STATE OF THE PROBLEM
1.3 PURPOSE OF THE STUDY
1.4 AIMS AND OBJECTIVES
1.5 SCOPE OF STUDY
1.6 LIMITATIONS OF STUDY
1.7 ASSUMPTIONS
1.8 DEFINITION OF TERMS
CHAPTER TWO
LITERATURE REVIEW
CHAPTER THREE
3.1 DESCRIPTION AND ANALYSIS OF EXISTING SYSTEM
3.2 FACT FINDING METHOD USED
3.3 ORGANIZATION STRUCTURE
3.4 OBJECTIVES OF EXISTING SYSTEM
3.5 INPUT, PROCESS AND OUTPUT ANALYSIS
3.6 INFORMATION FLOW DIAGRAMS
3.7 PROBLEMS OF THE EXISTING SYSTEM
3.8 JUSTIFICATION OF THE NEW SYSTEM
CHAPTER FOUR
4.1 DESIGN OF THE NEW SYSTEM
4.2 INPUT SPECIFICATION AND DESIGN
4.3 OUTPUT SPECIFICATION AND DESIGN
4.4 FILE DESIGN
4.5 PROCEDURE CHART
4.6 SYSTEM FLOW CHART
4.6.1 SYSTEM REQUIREMENTS
4.7 IMPLEMENTATION
4.7.1 PROGRAM DESIGN
4.7.2 PROGRAM FLOWCHART
4.7.3 PSEUDO CODE
4.7.4 SOURCE PROGRAM: TEST RUN
CHAPTER FIVE
5.0 DOCUMENTATION
5.1 RECOMMENDATION
5.2 CONCLUSION
BIBLIOGRAPHY
