https://blog.youkuaiyun.com/Lin5200000zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/Lin5200000/article/details/147372345https://blog.youkuaiyun.com/Lin5200000/article/details/147372345Lin5200000Sun, 20 Apr 2025 17:00:36 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/147133786https://blog.youkuaiyun.com/Lin5200000/article/details/147133786Lin5200000Fri, 11 Apr 2025 09:23:08 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/141284355https://blog.youkuaiyun.com/Lin5200000/article/details/141284355Lin5200000Sat, 17 Aug 2024 17:54:06 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/140794942https://blog.youkuaiyun.com/Lin5200000/article/details/140794942Lin5200000Tue, 30 Jul 2024 13:55:58 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/139640732https://blog.youkuaiyun.com/Lin5200000/article/details/139640732Lin5200000Thu, 13 Jun 2024 08:07:00 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/138197894https://blog.youkuaiyun.com/Lin5200000/article/details/138197894Lin5200000Thu, 25 Apr 2024 19:38:14 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/137995162https://blog.youkuaiyun.com/Lin5200000/article/details/137995162Lin5200000Sat, 20 Apr 2024 11:54:38 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/137691432https://blog.youkuaiyun.com/Lin5200000/article/details/137691432Lin5200000Fri, 12 Apr 2024 18:56:39 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/137616486https://blog.youkuaiyun.com/Lin5200000/article/details/137616486Lin5200000Wed, 10 Apr 2024 23:53:25 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/135313826https://blog.youkuaiyun.com/Lin5200000/article/details/135313826Lin5200000Sun, 31 Dec 2023 10:34:52 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/135066648https://blog.youkuaiyun.com/Lin5200000/article/details/135066648Lin5200000Mon, 18 Dec 2023 16:49:37 +0800 表示层 -> 会话层 -> 传输层 -> 网络层 -> 数据链路层 -> 物理层。而实际上表示层和会话层都属于应用层，所以也有另一种说法，那就是TCP/IP五层模型。也就是 : 应用层->传输层->网络层->数据链路层->物理层。为什么要设置这么多层呢？这是因为分层是有优势的， 分层可以让每个模块之间的耦合度降低，也可以把每一层的功能集中，每一层做每一层应该做的事而互不影响。这也是软件设计中一个很重要的思想，那就是而每一层也都有自己要做的事。]]>https://blog.youkuaiyun.com/Lin5200000/article/details/134755617https://blog.youkuaiyun.com/Lin5200000/article/details/134755617Lin5200000Sat, 02 Dec 2023 18:05:47 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/134482515https://blog.youkuaiyun.com/Lin5200000/article/details/134482515Lin5200000Sat, 18 Nov 2023 19:43:14 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/134426927https://blog.youkuaiyun.com/Lin5200000/article/details/134426927Lin5200000Wed, 15 Nov 2023 19:03:09 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/134065833https://blog.youkuaiyun.com/Lin5200000/article/details/134065833Lin5200000Thu, 26 Oct 2023 22:05:51 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/133934693https://blog.youkuaiyun.com/Lin5200000/article/details/133934693Lin5200000Thu, 19 Oct 2023 20:52:26 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/133691159https://blog.youkuaiyun.com/Lin5200000/article/details/133691159Lin5200000Sun, 08 Oct 2023 22:11:46 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/133500563https://blog.youkuaiyun.com/Lin5200000/article/details/133500563Lin5200000Mon, 02 Oct 2023 21:37:25 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/133342306https://blog.youkuaiyun.com/Lin5200000/article/details/133342306Lin5200000Wed, 27 Sep 2023 10:18:26 +0800https://blog.youkuaiyun.com/Lin5200000/article/details/133254828https://blog.youkuaiyun.com/Lin5200000/article/details/133254828Lin5200000Sun, 24 Sep 2023 22:36:33 +0800