计算机网络笔记

Socket programming with UDP and TCP 网络协议由三个要素组成，分别是语义、语法和时序。 语义是解释控制信息每个部分的含义，它规定了需要发出何种控制信息，以及完成的动作

DNS 什么是 DNS DNS 相关服务器及实现 DNS Records P2P Applications（不重要） Pure P2P architecture(体系结构) no always-on

Web and HTTP HTTP overview HTTP: hypertext(超文本) transfer protocol Web’s application layer protocol c

Chapter 2: Application Layer Outline principles of network applications Web and HTTP Electronic mail

Protocol layers, service models Layers: each layer implements(实现) a service, relies on services prov

what is the Internet? network edge, network core, delay, loss, throughput in networks

Outline what is the Internet? network edge end systems, access networks, links network core packet s