Multi-project Management is often confused with project portfolio and program management.
The definition of project portfolio management changed over the years.
In the early studies it was defined as project selection.
Later on the term project portfolio management was used as project prioritizing and more recently, to mean multiple project management .
A Multi-Project Environment is depicted in figure
1.It consists of a set of projects that are not necessarily functional related, but they share the same resources from a
common resource pool.
The set of projects are managed in a structured way and projects must be delivere daccording to the objectives of the organisation.
Multi-project Management is about the short-term management of projects in execution at tactical level .