Integrated Authorization for Grid System Environments

Grid computing has received widespread attention in recent years as a significant new research field. Yet to date, there has been only a limited work on the grid system authorization problem. In this paper, we address the authorization problem and its requirements in a grid system environment. We propose a new integrated authorization service that tackles the authorization problem at two levels: grid system level and organization unit level. It is shown that the new approach not only meets the requirements of the authorization in grid system environment but also overcomes the disadvantages found in existing authorization designs.