You can use CEN and Express Connect to connect different VPCs.
Overview
To meet various demands of different application scenarios, Alibaba Cloud provides several products for connecting VPCs. You can use CEN or Express Connect to connect VPCs. We recommend that you use CEN because it is easy to configure and automatically distributes and learns routes.
- CEN
You can use Cloud Enterprise Network (CEN) to build an intranet connection between multiple VPCs or between a VPC and a local data center. CEN provides automatic route distribution and learning, which ensures rapid network convergence and enhances the quality and security of cross-network communication.
- Express Connect
You can use Express Connect to build an intranet connection between two VPCs.
Scenarios
| Scenario | Product | Method |
|---|---|---|
| Connect VPCs in the same region and under the same account | CEN | Connect VPCs in the same region and under the same account |
| Express Connect | Interconnect two VPCs under the same account | |
| Connect VPCs in the same region but under different accounts | CEN | Connect VPCs in the same region but under different accounts |
| Express Connect | Interconnect two VPCs under different accounts | |
| Connect VPCs in different regions but under the same account | CEN | Connect VPCs in different regions but under the same account |
| Express Connect | Interconnect two VPCs under the same account | |
| Connect VPCs in different regions and under different accounts | CEN | Connect VPCs in different regions and under different accounts |
| Express Connect | Interconnect two VPCs under different accounts |