Microsoft® SQL Server 2008 R2 Unleashed

The Multiple Publishers with Multiple Subscribers Replication Model

In the multiple publishers with multiple subscribers scenario, as shown in Figure 19.14, a common table (such as the Customer table) is maintained on every server participating in the scenario. Each server publishes a particular set of rows (for example, the customer rows in a customer’s own territory) that pertain to it—usually via filtering on something that identifies that site to the data rows it owns—and subscribes to the rows that all the other servers are publishing. The result is that each server has all the data at all times and can make changes to its data only. You must be careful when implementing this scenario to ensure that all sites remain synchronized. The most ...