Coshopping server topologies

Communications Enabled Applications (CEA) is usually installed on a separate server. If you are installing CEA for WebSphere Commerce Express, install CEA on your WebSphere Commerce Server.

WebSphere Commerce EnterpriseWebSphere Commerce ProfessionalThe CEA and coshopping widgets continually poll for events between the two shoppers. To prevent excessive traffic on the WebSphere Commerce Server, install CEA on a separate server as shown in the following image:
CEA topology diagram for WebSphere Commerce Enterprise and Professional edition
WebSphere Commerce - ExpressWebSphere Commerce Express does not support a clustered environment. The following image shows the supported topology for WebSphere Commerce Express with coshopping:
CEA topology diagram for WebSphere Commerce Express edition