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Research on Switching Technologies of Anti-radiation Gigabit Ethernet

Author: ZengChao
Tutor: ZuoWenHua
School: National University of Defense Science and Technology
Course: Computer Science and Technology
Keywords: Space Applications Gigabit Ethernet Switching technology Switching fabric Flow Control Radiation effects Reliability Design
CLC: TP393.11
Type: Master's thesis
Year: 2009
Downloads: 30
Quote: 1
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Abstract


With the popularity of computer and network, Ethernet now has been replaced by a token ring, Fiber Distributed Data Interface LAN technology has become one of the most important LAN technology. Ethernet data transfer rate has reached 10Gbps, in a longer period of time in the future will continue to be the mainstream LAN interconnect technology, and towards the development of the WAN interconnection technology direction, can be said prospects for commercial application of Ethernet technology quite broad. However, the Ethernet technology is not limited to commercial applications. As a result of this interconnect technology is simple to implement, and the advantages of the data transfer rate can be applied by improved industrial, defense and other applications. For example, in the field of industrial control, network reliability, real-time aspects of requirements, however, the Industrial Ethernet in factory automation, intelligent transportation systems, substations and other harsh environments in large-scale applications, and has become important part of the industrial control network. But still belong to a blank space applications-oriented Ethernet technology. In this paper, the exchange from Ethernet switch fabric, traffic control, reliability design starting to carry out in-depth research. In the switching structure, fully used in the existing switches various switching structure, and a comparative analysis. Then combined with the specific application environment support instruction to meet the corresponding requirements the priority exchange structure CICQ_P streaming and use the simulation analysis by the of simulation tools OMNet its performance. Flow control, the first comparative analysis of the existing traffic control technology, and Ethernet flow control. Full-duplex switched Ethernet PAUSE frame-based flow control is a coarse-grained flow control method for physical port does not support priority flow control or address refine by users of Ethernet frames. This flow control mode when the switch congestion led to the loss of performance of the entire network, it is difficult to provide a better quality of service. This paper presents a fine-grained flow control method FEFC use the simulation tools OMNet their comparative analysis, the FEFC better performance than existing PAUSE frame flow control mode. In terms of reliability design, this network background space radiation environment, you need to consider the impact of the single particle radiation effects their data exchange. Improve the reliability of data exchange, the focus of research to improve the switch within the data stream and the whole network transmission reliability design technology. In the end of this article, the set exchange prototype system design for the application environment, consists mainly of two parts: the anti-irradiation Gigabit switches and interface cards. This paper discusses the overall design of the switching system more simple.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > Local area network (LAN), metropolitan - area network (MAN) > Ethernet
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