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Summary

Although the Internet has become widely used only in the last few years, its roots go back more than three decades to work in academia and research. Some key architectural principles of the Internet, such as interoperability, layering, and common addressing and naming, have created a network that could grow to a worldwide scale, supporting a tremendous variety of applications. The core protocols of the Internet make it possible for computers around the world to communicate with each other.

Building on this foundation, the World Wide Web brought a new generation of information management and usability to the Internet. The Web is itself another layer in the foundation for many kinds of applications, such as the Internet commerce systems we describe in this book.


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