OSI模型
原文英文，约400词，阅读约需2分钟。发表于：。The OSI model is very important as a reference model because it establishes the communication process between devices. Each of its seven layers is responsible for sending, establishing,...
OSI模型是设备通信的参考框架，由七层组成：物理层传输比特，数据链路层建立链接和检测错误，网络层负责路由，传输层管理消息，会话层确保稳定，表示层加密和翻译数据，应用层提供服务。每层都有特定功能，缺失会导致通信和安全问题。
