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Wireless sensor networks are composed of large numbers of tiny networked devices communicate untethered mà. For large scale networks, it is important, to thể Into the network dynamically download code. We present Contiki, a lightweight operating system with support for dynamic loading and replacement of the individual programs and services. Contiki is built around an event-driven kernel provides optional but preemptive multithreading có thể áp to the individual processes. We show loading and unloading dynamic mà is feasible in a resource constrained environment, while keeping the system lightweight and compact base.
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