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Cost-aware Optimal Transmission Scheme for Shared Subscription in MQTT-based IoT Networks

  • Journal of Internet of Things and Convergence
  • Abbr : JKIOTS
  • 2024, 10(4), pp.1-8
  • Publisher : The Korea Internet of Things Society
  • Research Area : Engineering > Computer Science > Internet Information Processing
  • Received : June 27, 2024
  • Accepted : August 7, 2024
  • Published : August 31, 2024

Seonbin Lee 1 Younghoon Kim 1 Youngeun Kim 1 Jaeyoon Choi 1 Yeunwoong Kyung 2

1공주대학교
2국립공주대학교

Accredited

ABSTRACT

As technology advances, Internet of Things (IoT) technology is rapidly evolving as well. Various protocols, including Message Queuing Telemetry Transport (MQTT), are being used in IoT technology. MQTT, a lightweight messaging protocol, is considered a de-facto standard in the IoT field due to its efficiency in transmitting data even in environments with limited bandwidth and power. In this paper, we propose a method to improve the message transmission method in MQTT 5.0, specifically focusing on the shared subscription feature. The widely used round-robin method in shared subscriptions has the drawback of not considering the current state of the clients. To address this limitation, we propose a method to select the optimal transmission method by considering the current state. We model this problem based on Markov decision process (MDP) and utilize Q-Learning to select the optimal transmission method. Through simulation results, we compare our proposed method with existing methods in various environments and conduct performance analysis. We confirm that our proposed method outperforms existing methods in terms of performance and conclude by suggesting future research directions.

Citation status

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