diff --git a/openstack/README.md b/openstack/README.md index 903608c..be88030 100644 --- a/openstack/README.md +++ b/openstack/README.md @@ -19,6 +19,16 @@ Tested on openstack version - [Stein](https://docs.openstack.org/stein/index.htm +* Public and private networks have one L2 layer network. +So they can reach each other without a gateway. +* Only public interface has firewall. +* Virtual machines in public subnet have public interface with publick IPv4/IPv6, and local IPv4/IPv6. +* Virtual machines in private subnet have public interface with only publick IPv6 and local IPv4/IPv6. +It is not a classic private network, this network has NATv4, and they use one Public IP to make requests. +* Talos controlplane use its own l2-loadbalancer (VIP). +* Worker nodes make connections to the VIP address in each own region. +If a current region does not have a control plane, workers will connect to another region VIP. + ## Kubernetes addons * [cilium](https://github.com/cilium/cilium) 1.11.4