Metrics and measurement techniques for managing projects in global software development (GSD) environment. GSD, as a practice, offer a variety of advantages, as well as limitations. This paper mathematically models two common concepts in GSD environment, under the resource requirements of software development, namely coherence and collocation. Both terms have been used informally to explain some results obtained from on-site studies in respect of speed of project execution. The logic consists in exploiting the merits of GSD, whilst mitigating its demerits. Because this paper would only seek to introduce the metric, further studies are recommended to further explore the feasibility of the model, and possible enhancements to aid its efficiency.
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