Figure 1-4
This illustration depicts a Web browser connection to an Oracle database through an application Web server.

The application Web server shows a communication stack. From the top down, the stack is constructed with the following layers:

• Application
• Oracle Net

The database server shows a communication stack. From the top down, the stack is constructed with the following layers:

• RDBMS
• Oracle Net

The HTTP protocol resides between the Web browser and the application Web server, and the TCP/IP network protocol resides between the application Web server and the database server.