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本文对IP交换中各种现有流分类器进行了分析之后提出了一种模糊流分类器，它可根据网络中来流的变化，端口中可用VC的变化和现有可用VC数调节分类阈值。仿真结果表明，模糊流分类器可适应来流和IP交换机的端口容量的变化。与传统分类器相比，它可更有效地利用端口的VC，交换更多的数据包。
After analyzing various existing stream classifiers in IP exchange, this paper proposes a fuzzy stream classifier that can adjust the classification threshold according to the change of incoming and outgoing streams in the network, the change of available VCs in the port, and the available VCs . The simulation results show that the fuzzy flow classifier can adapt to the change of the port capacity of the flow and IP switch. Compared with the traditional classifier, it can more effectively use the port VC, exchange more packets.