This paper explores Edge Computing in the Internet of Things (IoT) and its pivotal role in enhancing IoTecosystems through distributed intelligence. We present the architecture of edge computing systems for IoT, emphasizing edge devices, edge servers, and seamless cloud integration. Investigating edge analytics and data processing, we showcase real-time analysis at the edge, reducing reliance on distant cloud resources and enhancing responsiveness. Resource management strategies, including task offloading and load balancing, optimize system performance. Addressing security concerns, we propose solutions for edge device security, data privacy, and trust management. Case studies demonstrate successful edge computing applications in diverse IoT scenarios, validating their transformative impact. Nonetheless, challenges remain, requiring further research. In conclusion, "Edge Computing in the Internet of Things (IoT)" empowers IoT ecosystems with distributed intelligence, revolutionizing IoT-driven applications across domains
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