No. The ECSs of different accounts in different VPCs cannot communicate with each other over an intranet.
To enable communication over an intranet, use the methods provided in the following table.
Scenario | Billing | Method |
|---|---|---|
In the same region | Free of charge | Use VPC peering to enable communication over an intranet. |
In the same region | Billed | Use VPC Endpoint to enable communication over an intranet. |