By Robert Caputo
Caputo does an excellent activity supplying a radical evaluate of packetized voice and a wide variey of QoS ways. The books can be jam-packed with invaluable figures, tables, and configuration command examples. this present day i feel it stands as a very good advent to the subject and gives an nice foundation upon which to dig into even the latest QoS techniques that experience advanced on the grounds that.
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In my experience, developers who’ve already solved these problems once or twice are likely to be aware of good third party solutions, and are least likely to be enthusiastic about tackling them again. ❑ It’s nonstandard. The result is a proprietary programming model. New developers can’t become productive until they’re familiar with it, imposing ongoing training requirements. Even if this proprietary programming model is simpler than raw J2EE, it’s impossible to hire people who already understand it.
Migrating to a different code generation tool, or even to a later version of the same tool, may be very costly in a large project. ❑ Maintaining generated code can be problematic. We may not have had to write the code, but we will need to maintain and support it. There will almost certainly be times when generated code needs to be examined closely because something doesn’t behave as expected; at such times the initial productivity gain can disappear. For example, we may encounter complex stack traces and will have to navigate through reams of code to track down bugs.
In Chapter 1, we identified the following central themes: ❑ Simplicity ❑ Productivity ❑ The importance of object orientation ❑ The primacy of business requirements ❑ The importance of empirical process ❑ The importance of testability We’ll talk about the many benefits of simplicity in Chapter 4. We’ll mention testability throughout the book and discuss it in detail in Chapter 14. Let’s discuss the remaining themes in turn. These themes are interrelated, so most can’t be discussed in isolation. We’ll focus most heavily on productivity, as it brings up many architectural and other issues, and is often neglected.