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ＢＯＮｅＳ是美国 Ｃａｄｅｎｃｅ公司 Ａｌｔａ Ｇｒｏｕｐ开发出的一套用于网络通讯仿真和计算机结构分析的系统设计自动化工具．介绍利用该工具进行多媒体互联网通讯仿真设计，并根据ＴＣＰ／ＩＰ的确认重发和滑动窗口流量控制机制，分析ＴＣＰ／ＩＰ协议的不同重发延迟和窗口设置方案对多媒通讯ＱｏＳ的影响．
BONeS is a system design automation tool developed by Alta Group of Cadence Company in the United States for network communication simulation and computer structural analysis. This paper introduces the use of this tool to simulate the design of multimedia Internet communication and analyzes the influence of TCP / IP protocol different retransmission delay and window setting scheme on multimedia QoS according to TCP / IP acknowledgment retransmission and sliding window flow control mechanism.