Static IP address
Your IP address is assigned to you by your Internet service provider (ISP). Two types of IP addresses can be issued to you: Static IP or Dynamic IP. As their naming suggests, Static IP addresses remain the same whereas Dynamic IP addresses constantly change.
Static IP Addresses – Static IP vs Dynamic IP
When a device is assigned a static IP address, the address remains constant (even if your computer reboots), you will be connect to the Internet with the same IP address at all times . Most users don't need static IP addresses. Static IP addresses are normally utilized when external devices or websites need to remember your IP address. For example if you need to setup a web server or an email service or VPN or other remote access solutions that trust (whitelists) certain IPs for security purposes.
The fact that your IP address remains has both its pros and cons.
Static IP address advantages
- Stability: it is good for web servers, email servers or even authenticated services where connection should be stable. As the IP never resets, your computer does not need to send any request for renewal thus making it ideal for seamless connectivity, a small interruption in the connection usually does not terminate the packet exchange with the service.
- As there is no change of IP address, Static IP is suitable for applications which use Voice over Internet Protocol (VOIP),gaming applications, and Virtual Private Network(VPN).
- Convenient remote access: A preferred address can be set for servers, no need not worry about the changes in the IP address during the connected session. Moreover when connecting to your computer through applications such as remote desktop, you need not be bothered about losing the IP address.
Static IP address disadvantages
- Security: As Static IP address is constant, it becomes easier to trace your Internet activity back to your IP address. It is also not easy to change once it has been hacked. This makes your system very liable to continuous attack, thus there is a need for additional security.
- Price: it might be more expensive compared to a dynamic IP address as ISPs generally charge additional fee for static IP addresses
- Maintenance, configuration: setting a static IP is manual and can be relatively complex. As static IPs are preferred in case of hosting servers and file transfer protocol servers, these servers have to be up all the time, the server becomes obsolete in the near future, it has to be upgraded time-to-time, so the resource (both human and cost) can increase over the time.