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Hard Real-Time Communication over Multi-hop Switched Ethernet

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4 Author(s)
Minghu Zhang ; Wuhan Digital Eng. Inst., Wuhan ; Jian Shi ; Ting Zhang ; Yong Hu

Currently, hard real-time communication over multi-hop switched Ethernet is still an open problem for researchers. In this paper, a novel hard real-time communication approach over multi-hop switched Ethernet is introduced without any modifications to existing Ethernet hardware. Firstly, the upper delay bounds are analyzed using the network calculus theories. Then the dual-level traffic smoothing technique is proposed, which combines the node-level traffic smoothing with the global-level traffic controlling techniques. Thorough measurements are made to demonstrate the hard real-time communication performance of this approach over multi-hop switched Ethernet.

Published in:

Networking, Architecture, and Storage, 2008. NAS '08. International Conference on

Date of Conference:

12-14 June 2008