Description of the illustration ''%s''wanreplication.gif

This graphic contains a pentagon at the top left. On the left, it contains the labels "HTTP," "JSP," "Servlet," and "Stub." On the right, it contains the labels "Objects" and "ABC." "Servlet" is connected to "Stub," and "Stub" is connected to "ABC."

In the middle of the graphic is a box labeled "Client." It points to a box labeled "Global Load Balancer." The Global Load Balancer points to two other boxes, one labeled "Local Load Balancer 1" and the other labeled "Local Load Balancer 2."

Local Load Balancer 2 points to a box labeled "Cluster 2." That box contains three boxes, labeled "S4," S5," and "S6."

Client points to Global Load Balancer, and the arrow is labeled "1." Global Load Balancer points to Local Load Balancer 1, and the arrow is labeled "2." Local Load Balancer 1 points to S1, and the arrow is labeled "3." Load Balancer 1 is also connected to S2 and S3.

S1 points to a database, labeled DB1, and the arrow is labeled "4." DB1 points to S6, and the arrow is labeled "6."

S4, S5, and S6 are all connected to Local Load Balancer 2, and Local Load Balancer 2 is connected to Global Load Balancer.