What Are the Differences Between EIP, Private IP Address, Floating IP Address, and Virtual IP Address?
An EIP is an IP address that can be accessed over the Internet. Each EIP can be used by only one ECS at a time. For details, see EIP Overview.
A private IP address is used by the internal network of the public cloud for internal communications. It cannot be accessed over the Internet.
A floating IP address is similar to an EIP. They are both public IP addresses that are used to connect to the Internet, but a floating IP address API cannot be used to configure bandwidth parameters. For details, see Floating IP Address.
A virtual IP address is not allocated to an ECS NIC. A virtual IP address is used for active/standby switchover of ECSs for higher availability. If the active ECS becomes faulty and cannot provide services, the virtual IP address is dynamically re-assigned to the standby ECS so services can continue uninterrupted. For details, see Virtual IP Address Overview.
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