> For the complete documentation index, see [llms.txt](https://sliu583.gitbook.io/blog/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sliu583.gitbook.io/blog/networking/index/computer-networking-a-top-down-approach/chapter-1.-computer-network-and-the-internet.md).

# Chapter 1. Computer Network and the Internet

* 1.1 What Is the Internet?
* 1.2 The Network Edge
* 1.3 The Network Core
* 1.4 Delay, Loss, and Throughput in Packet-Switched Networks 
* 1.5 Protocol Layers and Their Service Models 
* 1.6 Networks Under Attack 
* 1.7 History of Computer Networking and the Internet 
* 1.8 Summary