An Energy Efficient Message Scheduling Algorithm Considering Node Failure in IoT Environment

An Energy Efficient Message Scheduling Algorithm Considering Node Failure in IoT Environment
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物联网环境下考虑节点故障的节能消息调度算法

DOI:
10.1007/s11277-014-1960-3
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发表时间:
2014
影响因子:
2.2
通讯作者:
Abdullah S
Abdullah S
中科院分区:
计算机科学4区
文献类型:
--
作者:
Abdullah S

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计算和网络领域的进步催生了物联网(IoT)的新概念。这可以被认为是将不同的对象/事物连接在一起的“未来网络”。重点是在物联网环境中调度消息,在物联网环境中,事物/传感器被集群到物联网子组中,每个子组都有一个消息代理,将来自该组的消息传递给所感知数据的最终接收者。消息调度程序在代理级别工作,以决定首先传输哪条消息。这种调度提高了物联网系统的整体效率。此外,为了保持这些事物/传感器提供的服务流连续和不中断,对故障或故障节点的最优处理成为所提出的调度算法的显著特征。及时发现的故障或故障有助于启动恢复或更换程序。为了找到为传感器网络部署的合适级别的替换节点,我们将能量视为稀缺资源,并根据底层环境中发生的节点故障来考虑备份节点的部署成本。在这项工作中,我们提出了物联网系统的能量高效的恢复和备份节点选择以及能量高效的消息调度。仿真结果表明,该算法在考虑节点故障的情况下,采用恢复替换技术进行消息调度是有效的。
Advancements in the area of computing and the networking gave birth to a new concept Internet of Things (IoT). This can be thought as “network of future” connecting diverse objects/things together. The focus is on scheduling the messages in an IoT environment where things/sensors are clustered into IoT subgroups, each subgroup has a message broker that delivers the messages originated from the group to the ultimate receiver of the sensed data. The message scheduler works at the broker level to decide which message to be transmitted first. This scheduling improves the overall IoT system efficiency. Furthermore to keep the flow of services provided by these things/sensors continuous and non-disruptive, the optimal tackling of the faulty or failed nodes has become the salient feature of the proposed scheduling algorithm. The faults or failures identified on time help to initiate recovery or replacement procedures. To find the right level of replacement nodes deployed for the sensor network, we consider the energy a scarce resource and the cost of deployment of the backup nodes as per failure of the node occurring in the underlying environment. In this work we propose an energy efficient recovery and backup node selection for IoT systems followed with energy efficient message scheduling. Simulation results show the effectiveness and efficiency of the proposed message scheduling considering the node failure with recovery and replacement technique.
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