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Sensors 2017, 17(1), 136; doi:10.3390/s17010136

A Mechanism for Reliable Mobility Management for Internet of Things Using CoAP

1
Gyeongbuk Institute of IT Convergence Industry Technology, Gyeongbuk 38463, Korea
2
School of Electronics Engineering, Kyungpook National University, Daegu 41566, Korea
*
Author to whom correspondence should be addressed.
Academic Editors: Dongkyun Kim, Houbing Song, Juan-Carlos Cano, Wei Wang, Waleed Ejaz and Qinghe Du
Received: 8 November 2016 / Revised: 21 December 2016 / Accepted: 6 January 2017 / Published: 12 January 2017
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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. View Full-Text
Keywords: reliable mobility management; IoT networks; CoAP reliable mobility management; IoT networks; CoAP
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Chun, S.-M.; Park, J.-T. A Mechanism for Reliable Mobility Management for Internet of Things Using CoAP. Sensors 2017, 17, 136.

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