대한임베디드공학회논문지 (IEMEK Journal of Embedded Systems and Applications)

대한임베디드공학회 (Institute of Embedded Engineering of Korea)
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이더넷 기반 실시간 통신 네트워크 프로토콜 구현

Protocol Implementation for Ethernet-Based Real-Time Communication Network

  • 투고 : 2021.09.27
  • 심사 : 2021.11.16
  • 발행 : 2021.12.31
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초록

We propose a protocol for Ethernet-based industrial real-time communication networks. In the protocol, the master periodically transmits control frames to all slaves, and the ring-type network topology is selected to achieve high-speed transmission speed. The proposed protocol is implemented in the form of both firmware and Linux kernel modules. To improve the transmission speed, the MAC address table is disabled in the firmware implementation, and the NAPI function of the Ethernet driver is removed in the Linux kernel module implementation. A network experiment environment is built with four ARM processor-based embedded systems and network operation experiments are performed for various frame sizes. From the experimental results, it is verified that the proposed protocol normally operates, and the firmware implementation shows better transmission speed than the Linux kernel module implementation.

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과제정보

본 연구는 산업통상자원부(MOTIE) 및 산업기술평가관리원(KEIT) 연구비 지원에 의한 연구임 (No. 20012815).

참고문헌

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