动态IP和静态IP

与静态 IP 地址不同，动态 IP 地址会定期更改。让我们来分析一下：

1. IP 地址基础知识：

    * IP 地址是一个数字标签，用于唯一标识网络上的每个设备。

    * 当设备通过网络通信时，数据会在它们之间来回传输。每个数据包都标有目标设备的 IP 地址，以便网络交换机和路由器知道该将数据包发送到哪里。

    * 目前使用的 IP 标准有两种： IPv4（较旧，较常见）和 IPv6（较新，旨在克服 IPv4 地址短缺的问题）。

2. 动态 IP 地址：

    * 动态 IP 地址由 DHCP (Dynamic Host Configuration Protocol) 服务器在计算机设备或节点连接到网络时自动分配。

    * 这些地址是临时的，每次设备启动时都会改变。

    * 大多数家庭网络使用动态 IP 地址，因为由互联网服务提供商（ISP）为客户分配动态 IP 地址具有成本效益。

3. 静态 IP 地址：

    * 相反，静态 IP 地址是手动配置的，除非明确修改，否则永远不会更改。

    * 当你想远程访问家庭网络或需要一个一致的地址来提供特定服务时，静态 IP 地址就很有用。

    * 它们需要手动配置，但即使重启后也会保持不变。

4. 选择哪一种？

    * 在大多数情况下，动态 IP 地址完全足够。

    * 但是，如果你需要一个固定地址（例如，用于托管网站），可以考虑使用静态 IP。

    * 记住，动态 IP 是自动设置的，而静态 IP 需要手动设置。

A dynamic IP address is one that changes periodically, unlike a static IP address. Let’s break it down:

1. IP Address Basics:

    * An IP address is a numerical label that uniquely identifies each device on a network.

    * When devices communicate across a network, data is transmitted back and forth between them. Each packet of data is labeled with the IP address of the destination device so that network switches and routers know where to send it.

    * There are two IP standards in use: IPv4 (older and more common) and IPv6 (newer, designed to overcome the shortage of IPv4 addresses).

2. Dynamic IP Address:

    * A dynamic IP address is automatically assigned by a DHCP server to a computing device or node when it connects to a network.

    * These addresses are temporary and subject to change each time the device boots up.

    * Most home networks use dynamic IP addresses because they are cost-effective for Internet Service Providers (ISPs) to allocate to their customers.

3. Static IP Address:

    * In contrast, a static IP address is manually configured and never changes unless explicitly modified.

    * Static IPs are useful when you want to access your home network remotely or need a consistent address for specific services.

    * They require manual configuration but persist even after reboots.

4. Which One to Choose?:

    * For most cases, dynamic IP addressing is perfectly adequate.

    * However, if you need a fixed address (e.g., for hosting a website), consider using a static IP.

    * Remember, dynamic IPs are set automatically, while static IPs need manual setup.

参考：

1，Bing Copilot