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2008•The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)Open access

1A1-F19 Implementation and evaluation of a real-time network system based on the standard Ethernet technology

Daisuke Wako, Shingo Kagami, Koichi Hashimoto

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Abstract

An easy-to-implement configuration for real-time communication over the standard Ethernet and TCP/IP technologies is presented.We introduce a dedicated network processing unit that handles all of the UDP/IP and Ethernet processing, which can communicate with a host computer through a shared memory, and use off-the-shelf Gigabit Ethernet switches. Experimental results show that the end-to-end delay through three Ethernet switches is below 180μs with 20-μs jitters.

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An easy-to-implement configuration for real-time communication over the standard Ethernet and TCP/IP technologies is presented.We introduce a dedicated network processing unit that handles all of the UDP/IP and Ethernet processing, which can communicate with a host computer through a shared memory, and use off-the-shelf Gigabit Ethernet switches. Experimental results show that the end-to-end delay through three Ethernet switches is below 180μs with 20-μs jitters.

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Available abstract

An easy-to-implement configuration for real-time communication over the standard Ethernet and TCP/IP technologies is presented.We introduce a dedicated network processing unit that handles all of the UDP/IP and Ethernet processing, which can communicate with a host computer through a shared memory, and use off-the-shelf Gigabit Ethernet switches. Experimental results show that the end-to-end delay through three Ethernet switches is below 180μs with 20-μs jitters.

Key concepts: Carrier Ethernet, Ethernet Powerlink, Metro Ethernet, Synchronous Ethernet, Network interface controller, Connection-oriented Ethernet, Ethernet over PDH, ATA over Ethernet

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