Description
A hub-and-spoke topology is the most common and efficient replication topology because it reduces network traffic. This topology involves a central server acting as the hub, which schedules and initiates replication with all other servers (spokes). The spokes update the hub server through replication and mail routing, and the hub server updates each spoke. If an organization uses more than one hub, the hubs replicate with each other or with master hub servers. Essentially, the hub server acts as the traffic manager of the system, overseeing system resources, ensuring that replication occurs with each spoke in an organized manner, and guaranteeing that all changes are replicated to all spoke servers.