视频业务流量模型是网络性能仿真的一个重要前置环节，但由于视频内容的千差万别，使得很难建立统一的视频业务流量模型。
Modeling video traffic is an important prerequisite for any network performance simulating, but it is very difficult to build an uniform model for video traffic since video contents are variable.
仿真结果表明，相对单通道单路径路由及多路径路由本模型能更好的改善网络性能。
Compared with single channel single - path routing scheme and multi - path routing scheme, the results of simulation show that this model has better network performance.
网络仿真已成为网络性能分析的一个有效工具，网络流量仿真又是网络仿真的基础和重要步骤。
Network simulation is an effective tool for analysis of network performance, network flow simulation is the foundation and important step of network simulation.
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