A server needs to be accessed at all times, with outages kept to a minimum. Using anything but static IP addresses will cause issues when clients attempt to access the server. If the Ip changed, the network and clients will have to learn about the change.
An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication. An IP address serves two principal functions: host or network interface identification and location addressing. Its role has been characterized as follows: "A name indicates what we seek. An address indicates where it is. A route indicates how to get there."
The designers of the Internet Protocol …