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."

At the bottom left is a circle labeled "client."It is connected to a box beneath it labeled "Cookie," "Primary: A," and "Primary: B." Client also points to a pentagon on the right labeled "HTTP Server," which sits on top of a bar labeled "HttpClusterServlet."

On the far right is a column of three pentagons labeled "A," "B," and "C. The column is labeled "WebLogic Server Cluster." "Pentagon A contains the labels "Servlet" and "Primary State." Pentagon B contains the labels "Servlet" and "Secondary State." Pentagon C contains the label "Servlet."

A two-headed arrow connects "HttpClusterServlet" and Pentagon A.