Abstract
Under unreliable constrained wireless networks for Internet of Things (IoT) environments, the loss of the signaling message may frequently occur. Mobile Internet Protocol version 6 (MIPv6) and its variants do not consider this situation. Consequently, as a constrained device moves around different wireless networks, its Internet Protocol (IP) connectivity may be frequently disrupted and power can be drained rapidly. This can result in the loss of important sensing data or a large delay for time-critical IoT services such as healthcare monitoring and disaster management. This paper presents a reliable mobility management mechanism in Internet of Things environments with lossy low-power constrained device and network characteristics. The idea is to use the Internet Engineering Task Force (IETF) Constrained Application Protocol (CoAP) retransmission mechanism to achieve both reliability and simplicity for reliable IoT mobility management. Detailed architecture, algorithms, and message extensions for reliable mobility management are presented. Finally, performance is evaluated using both mathematical analysis and simulation.
Highlights
In recent years, the Internet of Things (IoT) technology is being increasingly applied to diverse application areas including healthcare monitoring, disaster management, and vehicular management.IoT has been playing an essential role ever since it appeared, which covers from traditional equipment to general household objects [1] and has been attracting the attention of researchers from academia, industry, and government in recent years
In order to solve the problem mentioned above, in reference [14], we have presented the Constrained Application Protocol (CoAP)-based Mobility Management Protocol (CoMP), which can provide efficient mobility management for constrained mobile sensor nodes in IoT environments
We have presented a mechanism for reliable IoT mobility management using
Summary
The Internet of Things (IoT) technology is being increasingly applied to diverse application areas including healthcare monitoring, disaster management, and vehicular management. The signaling and processing overhead can result in excessive power consumption during movement of power-constrained IoT sensor nodes These standard mobility management protocols do not address the characteristics of a constrained wireless network, such as a limitation in packet size, high packet loss ratio, and sleep mode operation. In deriving the performance measures, we have taken into account the IoT infrastructure characteristic of packet fragmentation, which is caused by the limited packet size of the IEEE 802.15.4 low data rate personal area network Based on this mathematical analysis, the performance of the reliability mechanism has been evaluated by simulation. In deriving the performance measures, we have taken into account the packet fragmentation effect, which is caused by the constrained packet size of the IEEE 802.15.4 low data rate wireless network
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