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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                Open System Interconnection Reference Model,縮寫為OSI ![](https://img.kancloud.cn/ee/ea/eeeabf2a3c1c0ab95304bbd4c088cb39_960x720.png) ### OSI與四層模型的區別 OSI是一個完整的、完善的宏觀模型,他包括了硬件層(物理層);而TCP/IP模型,更加側重的是互聯網通信核心(也是就是圍繞TCP/IP協議展開的一系列通信協議)的分層,因此它不包括物理層,以及其他一些不想干的協議
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