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Es werden Posts vom Oktober, 2010 angezeigt.

Complexity, Size and Focus

Why is it so hard to understand software? Or to put it more to the point: What makes it so hard to write understandable software? This question is the driving theme of this article: the quest to uncover techniques of complexitiy management that go beyond established principles of software engineering such as information hiding and modularization and which are unbound to specific paradigms like object-orientation or functional programming. For that reason I studied two kinds of software systems in depth: telecommunication systems, modeling and programming languages. I did so for two reasons: First, telecommunication systems are among the oldest, largest and most successful systems. They are highly reliable, roboust and scalable. What are their key design principles that make them stand such demanding requirements? Second, each modeling and programming language is its creators attempt to provide a set of language conceptions to address and manage complexity. A language – be it a prog