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This paper describes a novel cyber attack-resilient server inspired by the concept of biological diversity. The server consists of several virtual machines running different operating systems and different implementations of the same server protocol specification. This approach is based on the observation that not all implementations are affected by the(More)
IEEE Standard 802.15.4 Low Rate-Wireless Personal Area Network (LR-WPAN) is a network of wireless sensor and control applications that focused on the performance of the IEEE 802.15.4 standard. The IEEE 802.15.4 standard provides a guaranteed time slot (GTS) mechanism to allocate a specific duration within a superframe structure for applications requiring(More)
Wireless sensor networks (WSN) consists of large number of sensor nodes with limited energy and computing resources. These facts have highlighted open problem to prolong the lifetime of sensor nodes while still maintaining the functional roles of WSN in reporting important events to a base station. These papers propose an approach for WSN inspired by the(More)
Computer (server) becomes an essential part of the information system. However, this server always has a possibility to experience a failure. In our previous study, we involve virtual machine technologies to address the failure that occurs on the server. However, this method only covers the recovery of the server from the perspective of the server itself.(More)
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