Chapter 1. Oracle’s Network Architecture and Products
Net8 is the fundamental networking technology that allows Oracle services and clients to communicate with each other over a network. The most common application for Net8 is to allow clients to talk to database servers, but Net8 also enables server-to-server and other types of communication, as shown in Figure 1.1.

Figure 1-1. Net8 enables communication between many Oracle services and applications
In this chapter, you’ll learn about Oracle’s architectural goals for Net8. You’ll also learn about the major components that make up Net8. Some of these components are behind-the-scenes in that they are only used by the Net8 communications stack. Others are management tools that you invoke directly.
Tip
Net8 was originally named SQL*Net. When Oracle8 was released, Oracle changed the name to Net8.
Goals of Net8
The overarching mission of Net8 is fairly obvious: to enable connectivity in an Oracle environment. Oracle wants to make it as easy and painless as possible for developers to connect client applications to an Oracle database. In support of that mission, Oracle has set these goals for Net8:
Location transparency
Platform independence
Protocol transparency
By meeting these three goals, Oracle has made Net8 a very easy to use connectivity solution. Much of the complexity of dealing with various networking protocols and operating-system platforms ...
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