Oracle SOA suite components

• Soa Service Infrastructure : provides routing mechanism and facilitates data flow.
  
• Oracle Mediator : used to configure routing services and define rules for them, routes,validates,filters and transforms.
  
• Oracle Adapters: is a way to integrate transport protocols like BAM,FTP,JMS,AQ,Files,MQ
  
• Business Events and Events Delivery Network:  used to raise events when needed, the definition of events are stored in MDS
  
• Oracle Metadata Repository: stores things like the routing rules,xslt,xsd,wsdl etc in the db.
  
• Oracle Business Rules : enables routing messages, routing assignments these are stored in  MDS
  
• Oracle WSM Policy Manager: provides message level security policies, signing, encryption,                                         

             authentication and role based access , it also collects stats about quality uptime etc.

• Oracle BPEL Process Manager: Assembles discrete processes( sync and a-sync services ) into and end to end process flow.
  
• Human Workflow : used to configure human involvement in the work flow like approval, exception handling and performing activities.
  
• Oracle Business Activity Monitoring: Monitors business process/services in real time,analyze events, trends etc
  
• Oracle User Messaging Service: enables sending messages from the user to application and application to user.
  
• Oracle B2B: exchange of messages between and enterprise and its partners.
  
• Oracle JDeveloper: enables developers to model, create, discover, assemble, orchestrate, test, deploy, and maintain

             composite applications based on services.

• Oracle Enterprise Manager: is used to configure, monitor and manage a SOA composite application.

summary from http://download.oracle.com/docs/cd/E12839_01/integration.1111/e10223/index.htm