Overview

An EIP is a NAT IP address that is located in the Internet gateway of Alibaba Cloud and mapped to the associated cloud resource through NAT. After a cloud resource is associated with an EIP, the cloud resource can communicate with the Internet through the EIP. ● A public IP address that can be independently owned ● Works with ECS instances, NAT gateways, and internal-facing SLB instances in a VPC ● Associates with a cloud resource or disassociates from a cloud resource when necessary ● Allows you to migrate IP addresses to Alibaba Cloud with insignificant changes to the system architecture

Benefits

• High Availability A high-availability architecture that eliminates single points of failure and supports cross-zone disaster recovery and automatic failover
• High-Speed Access from Different ISPs You can use 89 high-quality BGP lines worldwide, and EIP bandwidth plans to increase the BGP bandwidth to 100 Gbit/s.
• Flexible Billing Methods Supports the pay-by-data-transfer metering method and data transfer plans. Supports the pay-by-bandwidth metering method, subscription billing method, and EIP bandwidth plans
• Abundant IP Addresses Supports contiguous IP addresses and allows you to retrieve specific IP addresses you have released