Jeon Soo Bin, Lee Chung San, Han Young Tak, Jung In Bum

KIPS Transactions on Computer and Communication Systems, Vol. 6, No. 9, pp. 385-396, Sep. 2017
10.3745/KTCCS.2017.6.9.385,   PDF Download:
Keywords: Internet of Things, Middleware, Resource Sharing, Multi-Threading, Thread Pool
Abstract

Many IoT platforms have been proposed for various IoT devices, from low-end to high-end performance. We previously proposed a new IoT platform called MinT that supports the operation of the sensing devices and network communication. In the proposed platform, the things can flexibly connect to each other and efficiently share their information. Most IoT platforms, including the MinT, support thread pooling to quickly process requests. However, using a thread pool with a fixed thread count can cause network delay and inefficient energy consumption. In this paper, we propose an enhanced method to manage the thread pool efficiently by adjusting the number of threads every cycle to regulate the device’s performance. In particular, we aim to improve the performance of the Interaction Thread Pool Group, which is responsible for analyzing, processing, and re-transmitting the received packets. The experiment shows that the improved method increases the average throughput by approximately 25% compared to the existing platforms. Finally, using the proposed method, the MinT can reduce the transmission delay and energy consumption of devices in the IoT environment.

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