Analysis on Energy Consumption Required for Building DTLS Session Between Lightweight Devices in Internet of Things 


Vol. 40,  No. 8, pp. 1588-1596, Aug.  2015


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  Abstract

In the Internet of Things (IoT), resource-constrained devices such as sensors are capable of communicating and exchanging data over the Internet. The IETF standard group has specified an application protocol CoAP, which uses UDP as a transport protocol, allows such a lightweight device to transmit data. Also, the IETF recommended the DTLS binding for securing CoAP. However, additional features should be added to the DTLS protocol to resolve several problems such as packet loss, reordering, fragmentation and replay attack. Consequently, performance of DTLS is worse than TLS. It is highly required for lightweight devices powered by small battery to design and implement a security protocol in an energy efficient manner. This paper thus discusses about DTLS performance in the perspective of energy consumption. To analyze the performance, we implemented IEEE 802.15.4 based test network consisting of constrained sensor devices in the Cooja simulator. We measured energy consumptions required for each of DTLS client and server in the test network. This paper compares the energy consumption and amount of transmitted data of each flight of DTLS handshake, and the processing and receiving time. We present the analyzed results with regard to code size, cipher primitive and fragmentation as well.

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  Cite this article

[IEEE Style]

H. Kwon and N. Kang, "Analysis on Energy Consumption Required for Building DTLS Session Between Lightweight Devices in Internet of Things," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 8, pp. 1588-1596, 2015. DOI: .

[ACM Style]

Hyeokjin Kwon and Namhi Kang. 2015. Analysis on Energy Consumption Required for Building DTLS Session Between Lightweight Devices in Internet of Things. The Journal of Korean Institute of Communications and Information Sciences, 40, 8, (2015), 1588-1596. DOI: .

[KICS Style]

Hyeokjin Kwon and Namhi Kang, "Analysis on Energy Consumption Required for Building DTLS Session Between Lightweight Devices in Internet of Things," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 8, pp. 1588-1596, 8. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880