my pillows hold my first kisses which were meant to be yours and so were my first hugs my pillows heard my first confessions and my first breakdowns I cried on them thinking it was your chest that I sobbed into I dug my nails deep into them trying to hurt you and now they ask me what was it that they did wrong? -Navneet Kaur Aulakh
Wireless sensor networks (WSNs) have attracted high interest over the last few decades in the wireless and mobile computing research community. Applications of WSNs are numerous and growing, including indoor deployment scenarios in the home and office to outdoor deployment in an adversary’s territory in a tactical background. However, due to their distributed nature and deployment in remote areas, these networks are vulnerable to numerous security threats that can adversely affect their performance. This problem is more critical if the network is deployed for some mission-critical applications, such as in a tactical battlefield. Random failure of nodes is also very likely in real-life deployment scenarios. Due to resource constraints in the sensor nodes, a traditional security mechanism with high overhead of computation and communication is not feasible in WSNs. Design and implementation of secure WSNs is, therefore, a particularly challenging task. This book covers a comprehensive discussion on state-of-the-art security technologies for WSNs. It identifies various possible attacks at different layers of the communication protocol stack in a typical WSN and presents their possible countermeasures. A brief discussion on the future direction of research in WSN security is also included.
Proceedings of the 18th All India Congress of Zoology and National Seminar on Current Issues on Applied Zoology and Environmental Sciences with Special Reference to Eco-restoration & Management of Bioresources, held at Lucknow during 7-9 December 2007.
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