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计算机网络与数据通信
- 计算机网络.md

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`‎计算机网络与数据通信/计算机网络.md‎`

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`@@ -271,21 +271,19 @@ TCP的拥塞控制采用了四种算法,即慢开始、拥塞避免`
`271`	`271`
`272`	`272`	`![状态码](https://user-gold-cdn.xitu.io/2018/4/19/162db5e985aabdbe?imageView2/0/w/1280/h/960/format/webp/ignore-error/1)`
`273`	`273`
`274`		`-一个网页从请求到最终显示的完整过程一般可以分为如下7个步骤:`
	`274`	`+总体来说分为以下几个过程:`
`275`	`275`
`276`		`-(1)在浏览器中输入网址;`
	`276`	`+1. DNS解析`
	`277`	`+2. TCP连接`
	`278`	`+3. 发送HTTP请求`
	`279`	`+4. 服务器处理请求并返回HTTP报文`
	`280`	`+5. 浏览器解析渲染页面`
	`281`	`+6. 连接结束`
`277`	`282`
`278`		`-(2)发送至DNS服务器并获得域名对应的WEB服务器IP地址;`
	`283`	`+具体可以参考下面这篇文章:`
`279`	`284`
`280`		`-(3)与WEB服务器建立TCP连接;`
	`285`	`+-[https://segmentfault.com/a/1190000006879700](https://segmentfault.com/a/1190000006879700)`
`281`	`286`
`282`		`-(4)浏览器向WEB服务器发送相应的HTTP请求;`
`283`		`-`
`284`		`-(5)WEB服务器响应请求并返回指定URL的数据,或错误信息,如果设定重定向,则重定向到新的URL地址;`
`285`		`-`
`286`		`-(6)浏览器下载数据后解析HTML源文件,解析的过程中实现对页面的排版,解析完成后在浏览器中显示基础页面;`
`287`		`-`
`288`		`-(7)分析页面中的超链接并显示在当前页面,重复以上过程直至无超链接需要发送,完成全部数据显示。`
`289`	`287`
`290`	`288`
`291`	`289`

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