# 实验 9：Proxy Lab

## 实验附件

* README
  * <http://csapp.cs.cmu.edu/3e/README-proxylab>
* Writeup
  * <http://csapp.cs.cmu.edu/3e/proxylab.pdf>
* 版本历史
  * <http://csapp.cs.cmu.edu/3e/proxylab-release.html>
* 自学材料
  * <http://csapp.cs.cmu.edu/3e/proxylab-handout.tar>

## 实验简介

学生实现一个并发缓存（concurrent caching）的 Web 代理，该代理位于学生的浏览器和其他万维网之间。该实验让学生接触到有趣的网络编程世界，并将课程中的许多概念联系在一起，例如字节序（byte ordering）、缓存、进程控制、信号、信号处理、文件 I/O、并发和同步。


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://hansimov.gitbook.io/csapp/labs/proxy-lab.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.