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Web Technology: Theory and Practice by M. Srinivasan

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7.1 LAYERING

The concept of layering is not new in the context of the application or systems architecture. We have seen earlier about the OSI model and the networking layers. It is also widely present in the traditional industries.

It is critical for the potential web architect (or designer) to understand layering. To understand the concept, it will be useful to draw a parallel in some of the other industries or situations that we commonly encounter. Take, for instance, the music system. Broadly, we have two kinds of music systems—an integrated system where all devices are available in a single box, includes a set of speakers, CD drives, MP3 player, radio, a built-in amplifier, etc. The other kind of a music system is of the plug-in type where ...

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