The image shows lines of communication between components, and the protocol on which the communication is based.

• Clients communicate with OracleAS Web Cache, OracleAS Single Sign-On, and Oracle Delegated Administration Services, and OracleAS Certificate Authority using HTTP.

• OracleAS Web Cache communicates with Oracle HTTP Server using HTTP.

• Oracle HTTP Server communicates with OC4J using AJP.

• OC4J communicates with a customer database using Oracle Net.

• Oracle HTTP Server communicates with OracleAS Portal using AJP.

• OracleAS Portal communicates with the OracleAS Metadata Repository using Oracle Net.

• OracleAS Portal communicates with a customer database using Oracle Net.

• OracleAS Single Sign-On and Oracle Delegated Administration Services communicate with Oracle Internet Directory using LDAP.

• Oracle Application Server Single Sign-On also communicates with the OracleAS Metadata Repository using Oracle Net.

• OracleAS Certificate Authority communicates with Oracle Internet Directory using LDAP.

• Oracle Internet Directory communicates with the OracleAS Metadata Repository using Oracle Net.