Alibaba Cloud Elastic IP (EIP) and Public IP Differentiation

Posted in Alibaba by On December 5, 2018. No comments

If an ECS instance needs to provide external services, you can allocate a public IP for it when creating the ECS instance.

A public IP will be allocated when the selected Network Bandwidth Peak is larger than 0, while Elastic IP (EIP) can purchase and possess independently.

Here is the Differentiation table of Elastic IP (EIP) and Public IP

Elastic IP (EIP)Public IP

Support Network Environment
VPC
Classic Network

Can be purchase separately
VPC

No

Dynamically binding and unbinding to and from ECS instances
Yes
No

IP assignment
EIP can be purchased separately
automatically assigned when an instance is created or when the 0 Mbps bandwidth is upgraded

Release IP
Yes
When the ECS instance is released

Viewed on the NIC
No
Yes

Number of IP per instance
1
1


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