Actor coordination using info-gap decision theory in wireless sensor and actor networks
International Journal of Sensor Networks
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Effectively managing concurrent execution is one of the biggest challenges for future wireless sensor/actor networks (WSANs): For safety reasons concurrency needs to be tamed to prevent unintentional nondeterministic executions, on the other hand, for real-time guarantees concurrency needs to be boosted to achieve timeliness. We propose a transactional, optimistic concurrency control framework for WSANs that enables understanding of a system execution as a single thread of control, while permitting the deployment of actual execution over multiple threads distributed on several nodes. By exploiting the properties of wireless broadcast communication, we propose a lightweight and fault-tolerant implementation of our transactional framework.