About Siebel Reports Architecture
Siebel CRM uses the following separate architectures starting with Siebel CRM versions 8.1.1.x and 8.2.2.x:
Connected architecture. Siebel CRM integrates directly with the Siebel XMLP Report server component and Oracle Publisher Server. For more information, see How Siebel Runs Reports in Connected Clients.
Disconnected architecture. Siebel CRM uses Oracle Publisher to run reports through the XMLP Report Business Service. For more information, see How Siebel Runs Reports in Disconnected Clients.
About How Siebel Runs Reports in Clients describes how Siebel CRM typically runs reports for both connected and disconnected clients.