IP. Difference between virtual, floating, and reserved IP
 


Virtual IP (VIP)


Floating IP

Reserved IP

How you can use it

• Assign to several instances at once to create a fault-tolerant infrastructure (if the main machine is not available the VIP will go to the backup one, and it will respond to requests).

• Make it a second address for the network interface.

• Rapidly organize access from the Internet to an instance created only in a private subnet (that is, it has no public network interface). After assigning a floating IP to the machine it will be possible to connect to it from the external network.

• Assign to an instance or a load balancer at any time.

• Convert to a VIP.

 

 

What subnet is used Public or private Private

Public or private

Read more about IP of each type in the articles:

Floating IP: what it is, what it is used for, how to get it and assign to instance
Virtual IP (VIP): what it is, what it is used for, how to get it and assign to instance
Reserved IP: what it is, what it is used for, how to get it and assign to instance

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