Solving Coupling Security Problem for Sustainable Sensor-Cloud Systems based on Fog Computing

Tian Wang, Yuzhu Liang, Yujie Tian, Md Zakirul Alam Bhuiyan, Anfeng Liu, A. Taufiq Asyhari

Research output: Contribution to journalArticlepeer-review


Modern societies are becoming increasingly reliance on inter-connected digital systems. Despite numerous benefits, it is important to overcome existing security problems in a highly inter-connected system, like Sensor-Cloud systems. Sensor-Cloud is the product of the integration of wireless sensor networks and cloud computing. However, when a physical sensor node receives multiple service commands simultaneously, there will be some service collisions, namely, coupling security problem. This coupling security problem may lead to the failure of sustainable services and the system security threat. In order to solve the problem, sustainable resource management and maximum resource utilization are important. In this paper, we extend the Kuhn-Munkres algorithm based on fog computing to achieve sustainability. To begin with, we design a buffer queue in fog computing layer which will return the result to the cloud layer directly to increase the resource utilization. Then, we extend the Kuhn-Munkres algorithm to get the initial assignments of resources. The last step is to determine whether the initial assigned resources can be further scheduled, which means that we further improve the resource utilization to realize sustainable resource management. The results demonstrate that our method outperforms the traditional scheduling methods, which decreases both of the rounds and computational costs of scheduling by 24.04%-57.78% and 9.88%-31.51%, respectively. The experimental evaluations proved that the performance of the proposed fog-based scheme can effectively solve coupling security problem for sustainable Sensor-Cloud systems.
Original languageEnglish
Pages (from-to)(In-press)
Number of pages1
JournalIEEE Transactions on Sustainable Computing
Publication statusE-pub ahead of print - 12 Mar 2019


  • Couplings
  • Resource management
  • Cloud computing
  • Edge computing
  • Wireless sensor networks
  • Task analysis
  • Security

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