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Elastic Compute Service:Conectar instâncias do ECS por uma rede interna

Última atualização: Jun 22, 2026

Use uma rede interna em vez da Internet para conectar instâncias do ECS na mesma região, incluindo conexões com ApsaraDB RDS, Server Load Balancer (SLB) e OSS.

The solution varies by network type, account, region, and security group. Find the solution that matches your scenario in the following table.

Network type

Account

Region

Security group

Solution

Same Virtual Private Cloud (VPC)

Same or different accounts

Same region

Same security group

Connected by default.

null

You can also implement network isolation within the security group. See Use security groups.

Different security groups

See Security groups for different use cases.

Different VPCs

Same or different accounts

Same region

Different security groups

See Overview of VPC connections.

Different regions

Classic network

Same account

Same region

Same security group

Connected by default.

Different accounts

Same region

Different security groups

See Connect classic network instances in different security groups.

Classic network + VPC (mixed)

/

/

/

See Use ClassicLink to connect a classic network and a VPC.