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Floating IP |
Reserved IP |
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| Use cases |
• 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.
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| Subnet | 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 or balancer