4.1 Data Replication Service
The Data Replication Service (DRS) is an internal, proprietary component of the WebSphere Application Server. The DRS is used by other components to move data from node to node within a network of clustered application servers.
Figure 4-1 Moving a cache entry across cluster members using DRS
In Figure | -2, DRS is used to share data between the four cluster members 1 through 4.
Figure 4-2 Example of a clustered WebSphere topology