| Credit Determination of Fibre Channel in Avionics Environment |
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| 作者姓名： | LIN Qiang XIONG Hua-gang ZHANG Qi-shan |
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| 作者单位： | LIN Qiang*，XIONG Hua-gang，ZHANG Qi-shan School of Electronic and Information Engineering，Beijing University of Aeronautics and Astronautics，Beijing 100083，China |
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| 摘 要： | Fibre channel (FC) is the main candidate architecture for “unified network”. Flow control deals with the problem in which a de- vice receives frames faster than it can process them. Credit is an important service parameter for fibre channel flow control. Configuring the credit reasonably can avoid buffer overflow in nodes. This paper derives the mathematic relationships among credit, bandwidth and message sets under real-time condition according as three main topologies of fibre channel, and proposes the credit determination and the optimal credit for typical message sets. This study is based on the features of hard real-time communications in avionics environ- ment.
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| 关 键 词： | 布局技术 拓扑学 航空电子 纤维通信 |
| 收稿时间： | 8 May 2006 |
| 修稿时间： | 2006-05-082006-11-16 |
Credit Determination of Fibre Channel in Avionics Environment |
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| LIN Qiang XIONG Hua-gang ZHANG Qi-shan.Credit Determination of Fibre Channel in Avionics Environment[J].Chinese Journal of Aeronautics,2007,20(3):247-252. |
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| Authors: | Qiang LIN Hua-gang XIONG Qi-shan ZHANG |
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| Institution: | aSchool of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | Fibre channel (FC) is the main candidate architecture for "unified network". Flow control deals with the problem in which a device receives frames faster than it can process them. Credit is an important service parameter for fibre channel flow control. Configuring the credit reasonably can avoid buffer overflow in nodes. This paper derives the mathematic relationships among credit, bandwidth and message sets under real-time condition according as three main topologies of fibre channel, and proposes the credit determination and the optimal credit for typical message sets. This study is based on the features of hard real-time communications in avionics environment. |
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| Keywords: | fibre channel topology login credit hard real-time condition |
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