his tutorial is going to show you how to build a WireGuard mesh VPN and use it to encrypt replication traffic in MariaDB Galera cluster.
Prerequisites
This is not a step-by-step tutorial. To use the knowledge in this article, it’s assumed that you have a basic understanding of how to set up WireGuard VPN and MariaDB Galera Cluster.
What’s a Mesh VPN?
In computer networking:
- A mesh topology is where each node in the network has a direct connection to every other node.
- A star topology is where a central node controls the flow of connection. Nodes in the network can’t connect to each other directly but have to communicate through the central node. A typical example is a home private network.
Read full tutorial here: https://www.linuxbabe.com/mariadb/wireguard-mesh-vpn-encryption-mariadb-galera-cluster