网络dns tcp 的相关内容

[帮助文档] 为NLB实例添加TCP监听

如果您需要在NLB实例上转发来自客户端的TCP协议请求，特别是在注重可靠性、对数据准确性要求高和速度可以相对较慢的场景中，如文件传输、发送或接收邮件和远程登录等，您可以为NLB实例添加一个TCP监听。

【计算机网络】DNS 分别在什么情况下使用 UDP 和 TCP？

了解了 TCP 面向字节流而 UDP 面向报文的这个特性之后，在域名解析的时候，也就是客户端向 DNS 服务器查询域名获取 IP 地址的时候，DNS 协议关于 UDP 和 TCP 的选择通常可以分为以下两种情况：若客户端事先知道 DNS 响应报文的长度会大于 512 字节，则应当直接使用 TCP 建...

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【计算机网络】为什么DNS协议采用的是UDP作为传输层协议，而不是TCP？

实际上DNS协议同时采用了UDP和TCP两种传输层协议。他同时占用了UDP和TCP的53端口。那么这个问题就变成了为什么DNS同时使用了UDP和TCP两种传输层协议？首先对于TCP协议来说，在进行请求和响应前后需要进行连接的建立，即TCP需要进行三次握手建立连接，四次挥手释放连接。相对于UDP而言，...

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更新时间 2024-04-30 20:30:20

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