Security requirement of grid environment and its solution

The grid computation building on the existing Internet is concerned with the share and coordinated use of diverse resources in the distributed "virtual organizations(Vos)".The Vos consists of the groups of individuals and associated organizations and services.The dynamic and multi-institutional nature of the grid environment introduces the challenging security issues.These security requirements within the grid environment are simply analyzed and the solution policy within the GSI of the Globus Toolkits.