When is a project team being distributed? Does it have to
be a situation similar to that of Open Source Software
projects where the team consists of individuals scattered all
over the globe? Or is it sufficient that the team consists of
two groups, one located in Boston and the other in Tokyo?
And would it also be distributed if the teams were located in
adjacent rooms? Research works with three overall types of
causes for distribution: physical distance, time-zone
differences and cultural differences [16]. In this paper, we
will primarily focus on the first two types. According to Piri
et al. [13] distribution really makes a difference. In particular