Manage and Operate ECS – Networking

ECS Networking

How do you connect ECS instances together? How do you connect them to the Internet? Well, the key component in ECS networking is what we call the Virtual Private or VPC.

Virtual Private Cloud (VPC)

VPCs are logically isolated networks established in Alibaba Cloud. You can customize the topology and IP addresses in a VPC. We recommend that the VPC type is used if have high network requirements.

For more information about VPC, see Virtual Private Cloud documentation.

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Classic network

A classic network is deployed in the public infrastructure of Alibaba Cloud, which is responsible for its planning and management. We recommend that the classic network type is used if your business requirements are high in terms of network usability.

Note If you purchased an ECS instance after 17:00 (UTC+8) on June 14, 2017, you cannot choose the classic network type.

VPC vs. Classic networks

The following table describes key network functions and indicates whether they are supported within VPCs and classic networks.

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