VPC to VPC Communication

[muthukrishnang1100]

In Apache Cloudstack, How to communictae VPC to VPC in same account? and also how to communicate more than 2 or more(n) VPCs?
And also, For example I have an many projects and each projects have an different VPcs and now How to communicate each projects with other projects VPCs?

[weizhouapache]

public IP
private gateway & static routes
site to site VPN

also, cloudstack supports domain VPC

[muthukrishnang1100]

I tried site to site VPN, But it works only 2 VPCs?
But, I need more than 100 to 300 VPCs and also some of them same projects and some of them different projects?

How to do? and any document have for done this?

[weizhouapache]

https://docs.cloudstack.apache.org/en/latest/adminguide/networking/virtual_private_cloud_config.html#network-architecture-in-a-vpc

private gateway:
https://docs.cloudstack.apache.org/en/latest/adminguide/networking/virtual_private_cloud_config.html#adding-a-private-gateway-to-a-vpc

domain VPC: https://docs.cloudstack.apache.org/en/latest/adminguide/networking/virtual_private_cloud_config.html#working-with-domain-vpcs