The gCube authentication, authorization, and accounting infrastructure

This report describes the gCube solutions implementing its Authentication, Authorization and Accounting Infrastructure. gCube is a software system enabling the realization and operation of hybrid data infrastructures capable of supporting the concept of Virtual Research Environments (VREs), i.e., collaborative, web-based working environments through which community of practice members are provided with the entire spectrum of resources (data, services, and computing facilities) needed to accomplish their research tasks in an effective and efficient manner.