This chapter provides an overview of the architecture for Siebel Business Applications. It includes the following topics:

• Building Blocks of a Siebel CRM Deployment
• About Siebel Client Types
• About the Siebel Web Server Extension (SWSE)
• About the Siebel Enterprise Server and the Siebel Server
• About the Siebel Gateway Name Server
• About the Siebel File System
• About Siebel Server Load Balancing
• About Siebel Internet Session Network API
• About the Siebel Connection Broker
• About the Server Request Broker
• About the Server Request Processor
• About Siebel Enterprise Application Integration
• About Siebel Enterprise Integration Manager
• About Siebel Tools
• Example of User Request Flow in a Siebel Deployment