| 基于嵌入式系统的冗余智能网卡的研究 |
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| 引用本文： | 余胜生,顾建新,周敬利.基于嵌入式系统的冗余智能网卡的研究[J].华中科技大学学报(自然科学版),2006,34(2):73-76. |
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| 作者姓名： | 余胜生 顾建新 周敬利 |
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| 作者单位： | 华中科技大学,计算机科学与技术学院,湖北,武汉,430074 |
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| 摘 要： | 分析了网络存储技术中性能和管理方面所存在的问题.基于链路聚合技术并采用专门I/O处理器的方法,在软件体系结构中应用TCP/IP减荷引擎(TOE,TCP/IP Offload Engine)机制,设计了一款具有双端口并行、智能负载均衡功能的高速网卡,并对该设计在iSCSI协议下进行读性能和主机CPU使用率测试.结果表明,读速度提高接近1倍,而且也增加了访问的安全性,同时,分担了主处理器的I/O开销,使主CPU的使用率降到原来的2/3左右.
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| 关 键 词： | TCP/IP减荷引擎 智能负载均衡 双端口 并行 |
| 文章编号： | 1671-4512(2006)02-0073-04 |
| 收稿时间： | 03 23 2005 12:00AM |
| 修稿时间： | 2005年3月23日 |
Embedded-system-based redundance intelligent NIC |
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| Yu Shengsheng,Gu Jianxin,Zhou Jingli.Embedded-system-based redundance intelligent NIC[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2006,34(2):73-76. |
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| Authors: | Yu Shengsheng Gu Jianxin Zhou Jingli |
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| Abstract: | The existed problems in the performance of network storage technology and its management were studied.An intelligent load-balanced and dual-port NIC(Network Interface Card)with high speed was designed by use of the link bonding technology and a specific I/O processor,and TOE(TCP/IP Offload Engine).A test was made on the read performance and the rate of utilization of host computer CPU on the basis of the iSCSI protocol.The result indicated that with the application of the intelligent NIC,the read speed nearly doubled,the security of access was increased,and the CPU utilization was reduced to 2/3 of the original. |
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| Keywords: | TCP/IP offload engine intelligent load balance dual net-port parallel |
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