Coordination of activities is a determinant element in virtual enterprises.
Proper coordination policies supported by flexible coordination mechanisms
are necessary to ensure the cooperation among partner enterprises. This pa
per presents the PRODNET approach to support coordination in virtual enterp
rises. The adopted model considers on flexibility and configurability as th
e key aspects to cope with the large diversity of expectable scenarios and
operating policies in the virtual enterprise environment. A workflow based
approach for coordination is described and especial emphasis is put on a mu
lti-level coordination view. The developed software modules that support th
e coordination mechanisms are presented, and finally some directions for fu
rther research are given.