The scheme is based on the open openstack+kvm architecture, which is good for O&M of the project.
The schemes uses the global+region two-level deployment, which is good for the expansion of resources pool and united O&M management in the later stage.
Provide the surrounding parks with services when needed to avoid repeated resource construction and lower its cost.
Two places will share one O&M platform to reduce the O&M cost and streamline the O&M personnel.