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借助自行研制的 Ｎｅｔ Ｍｅｔｅｒ 网络性能评测工具，对基于 Ｔ Ｃ Ｐ／ Ｉ Ｐ协议的总线型局域网主要性能指标进行测量和评价；接着深入分析了吞吐量负载、吞吐量数据包长、以及吞吐量响应时间之间的变化关系曲线；分析结果表明，实际评测结果与理论分析结果是相吻合的最后通过调整网络系统的内部参数（如发送／接收缓冲区大小），可达到优化性能的目的
With the self-developed NetMeter network performance evaluation tool, the main performance index of the bus LAN based on T C P / I P protocol was measured and evaluated. Then the throughput, load, data packet length and throughput Volume-response time between the curve; analysis results show that the actual evaluation results and theoretical analysis of the results are consistent Finally, by adjusting the network system’s internal parameters (such as send / receive buffer size), to achieve optimal performance purpose