Testing Integrated Software Components

What are the challenges when software components are being brought together from different business units and must be integrated and tested?

Questions by mnehamkin

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Some challenges are:

1)  Geography and Time Zones:  Every aspect and phase of the project becomes more difficult when stakeholders span across different geographical regions and time zones.  It is often impossible to bring everyone together at the same time.  This becomes especially true when your colleagues and partners live and work on the other side of the planet.  

2) Communication and Culture:  As businesses become more globally integrated, they often rely on units from disparate cultures who do not speak the same language.  Problems arise when crucial details are not clearly communicated or understood.  Tension may be caused by cultural differences in the manner that work is perceived and performed. 

3) Methodologies and Standards:  Let's consider how this might apply to functional requirements.   Software components produced by different business units are derived from their own unique sets of functional requirements.  The methods and standards used to create each set of requirements may be significantly different from one another.  Consequently, a test group may find it difficullt to create test cases from requirements that were produced using inconsistent standards and have inconsistent presentations. 

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