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Problems with Incremental Delivery — Common Facilities

publish date: 2026/05/31 04:41:4.727242 UTC

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What problem arises with common facilities in an incremental delivery approach?

Common facilities are always built in the first increment, leaving no time for other features

Common facilities are automatically generated by CASE tools in incremental approaches

Most systems require basic facilities used by different parts of the system, but since requirements are not defined in full detail until each increment is implemented, it can be hard to identify common facilities needed by all increments

Common facilities can only be built by specialised teams not involved in increment development

Correct Answer

Explanation

A key problem is that most systems require a set of basic facilities used by different parts of the system. As requirements are not defined in full detail until an increment is to be implemented, it can be hard to identify these common facilities in advance.

Reference

Software Engineering, Ian Sommerville, 9th edition

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Incremental Delivery