McCall’s (1977) innovation was the creation of a relationship between quality and metrics. McCall covers all aspects of software development in a way that is, in my opinion, still actual for the best part. McCall shows its age essentially in how it covers the software lifecycle because it embeds the waterfall process in its structure. McCall also focuses on technological aspects such as portability and standards that are still actual, but largely resolved by standardized frameworks and technologies that are inherently platform-independent.
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