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Kubernetes网络策略Network Policy提供基于策略的网络控制。如果您希望在IP地址或者端口层面控制网络流量，您可以为集群中特定应用使用网络策略。本文介绍如何使用ACK Serverless集群的网络策略及常见的使用场景。

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TCP/IP模型OSI 7层模型是标准化模型，但是实际用到得而是TCP/IP模型。详见以下图片。TCP/IP通信流程举例，来说一下整体数据处理流程。① 应用程序处理首先应用程序会进行编码处理，这些编码相当于 OSI 的表示层功能；编码转化后，邮件不一定马上被发送出去，这种何时建立通信连接何时发送数据...

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【Network Study系列1】网络初探-什么是OSI参考模型-1

◆什么是OSI参考模型开放系统互连（OSI）参考模型由国际标准化组织（ISO）开发。该模型将计算机和其他通信设备的通信功能划分为一个层次结构。在这个 OSI 参考模型中将通信协议分为七个层次，并定义了每个层次所执行的通信功能。此外、OSI 参考模型使人们更容易理解数据是如何在整个网络中传输的，...

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