CEN is a service that allows you to create a global network for rapidly building a distributed business system with a hybrid cloud computing solution. CEN enables you to build a secure, private, and enterprise-class interconnected network between VPCs in different regions and your local data centers1. CEN uses transit routers deployed in different regions to build a full-mesh network on top of the Alibaba Cloud global transmission network. CEN enables global network communication: The two transit routers can be connected through multiple highly available and highly reliable lines2. To establish communication between two VPCs in different regions via the intranet, you can use CEN to attach the VPCs to the transit routers in their respective regions, and then create a bandwidth plan to allocate bandwidth resources for inter-region connections3. This way, you can avoid the complexity and cost of setting up VPN or Express Connect connections between the VPCs, and enjoy the benefits of CEN, such as large-scale and on-demand networking, simplified network topology, flexible management, globally connected network, shortest-path algorithm, high redundancy, automatic route learning and advertisement, and bandwidth sharing and management2. References: Introduce Cloud Enterprise Network CEN and how … - Alibaba Cloud Academy, Cloud Enterprise Network (CEN) - Alibaba Cloud, Attach a network instance to a CEN instance - Cloud Enterprise Network - Alibaba Cloud
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