[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.9708/jksci.2020.25.10.125

TCP/IP Using Minimal Resources in IoT Systems

Lee, Seung-Chul (Dept. of Computer Science, Sangmyung University)
Shin, Dongha (Dept. of Electronics, Sangmyung University)

Publication Information

Journal of the Korea Society of Computer and Information / v.25, no.10, 2020 , pp. 125-133 More about this Journal

Abstract

In this paper, we design 4-layer TCP/IP that utilizes minimal memory and processor resources in Internet of Things(IoT) systems. The TCP/IP designed in this paper has the following characteristics. First, memory resource is minimized by using minimal memory allocation. Second, processor resource is minimized by using minimal memory copy. Third, the execution time of the TCP/IP can be completed in a deterministic time. Fourth, there is no memory leak problem. The standard in minimal resources for memory and processor derived in this paper can be used to check whether the network subsystems of the already implemented IoT systems are efficiently implemented. As the result of measuring the amount of memory allocation and copy of the network subsystem of Zephyr, an open source IoT kernel recently released by the Linux Foundation, we found that it was bigger than the standard in minimal resources derived in this paper. The network subsystem of Zephyr was improved according to the design proposed in this paper, confirming that the amount of memory allocation and copy were decreased by about 39% and 67%, respectively, and the execution time was also reduced by about 28%.

Keywords

TCP/IP; IoT; Minimal Resources; Zephyr; Network Subsystem;

Citations & Related Records

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