Survey of Security Challenges in Grid Environment

2469 Words10 Pages
Abstract. Use of grid systems has increased tremendously since their inception in 90’s. With grids, users execute the jobs without knowing which resources will be used to run their jobs. An important aspect of grids is VO (Virtual Organization). VO is a group of individuals, pursuing a common goal but under different administrative domains. Grids share large computational and storage resource that are geographically distributed among a large number of users. This very nature of grids, introduces quite a few security challenges. These security challenges need to be taken care of with ever increasing demand of computation, storage and high speed network resources. In this paper we review the existing grid security challenges and grid security models. We analyze and identify the usefulness of different security models including role based access control, middleware improvements, and standardization of grid service. The paper highlights the strengths and weaknesses of the reviewed models. Keywords: grid security, security challenges in grids. 1 Introduction A Grid is a collection of heterogeneous, coordinated shared resources (systems, applications and network), distributed across multiple administrative domains, for problem solving [1]. The idea of computing grids is quite similar to that of an electric grid, where a home user does not know that the electricity for his toaster is coming from which grid station. Similarly in grids, users execute arbitrary code without knowing which resources will be used to run their jobs. As the usage of grids has grown considerably, there are quite a few security challenges that need to be taken care of. There are several grid projects which are providing hundreds and thousands of CPUs for proc... ... middle of paper ... ... Performance Computing and Networking Europe (HPCN Europe 2001), Amsterdam, Netherlands, June 2001 19. A. Ferrari, F. Knabe, M. Humphrey, S. J. Chapin, and A. S. Grimshaw, 1999. “A Flexible Security System for Metacomputing Environments”, In Proceedings of the 7th International Conference on High-Performance Computing and Networking (HPCN’99). Springer-Verlag, Berlin, Germany, pp: 370 – 380. 20. K. Czajkowski, I. Foster, N. Karonis, C. Kesselman, S. Martin, W. Smith, and S. Tuecke, “A Resource Management Architecture for Metacomputing Systems”. 4th Workshop on Job Scheduling Strategies for Parallel Processing, Springer-Verlag, 1998, pp: 62 – 82. 21. S. Adabala, A.R. Butt et al., “Grid-computing Portals and Security Issues”, Journal of Parallel and Distributed Computing, Volume 63, Issue 10 (Oct-2003), Scalable web services and architecture, pp: 1006 – 1014.
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