Data switching There are three data switching methods: Circuit switching: 建立连接，独占资源，类似管道。 Message switching: 一次性发送整个报文到相邻节点。 Packet switching: 把报文分割为多个组，分别发送到相邻节点。 Delays in Computer Net...

DNS (Domain Name System) DNS uses port 53 to communicate, and can be implemented by both TCP and UDP. (Usaully UDP) Except when: Secondary name server syncs with primary servers, T...

Introduction There are many kinds of networks, like private, public, reserved, and loopback. Address space IPv4 Private networks include the following addresses: 10.0.0.0/8 172.16.0.0/12 ...

See also https://web.archive.org/web/20211124031525/https://developer.ibm.com/tutorials/l-pam/

Background I’d like to keep track of my mood here in this post. Track 2025-04-21 写计网作业到崩溃。 比如这题: 不看了，上传图片好麻烦。 看这个: 42. (Single Choice) 关于数据报网络和虚电路网络的比较,下面描述正确的是:( ) A 数据报网络可靠性更高 B 虚电路网络更难提供...

中文测试 子标题（二级标题） 其实。。我喜欢你呀。。。 这是个悲伤的故事。 w

Problem Recently, I upgraded my linux kernel to version 6.13.0 and 6.14. But I could see “Nvidia kernel module missing” in both version after reboot. It seemed that I didn’t install corresponding...