This illustration depicts stack communication layers used by JDBC Drivers. The JDBC OCI driver stack, from the top down, includes the following layers:

• Java Client Application

• JDBC OCI Driver (uses OCI)

• Presentation - TTC

• Oracle Net Foundation Layer

• Oracle Protocol Support

• Transport Protocol (TCP/IP, TCP/IP with SSL, SDP, and Named Pipes)

The JDBC Thin Driver stack, from the top down, includes the following layers:

• Java Applet/Application

• JDBC Thin Driver

• Presentation - Java TTC

• JavaNet

• TCP/IP Network Protocol