Abstract :
Summary form only given. This talk presents and compares several major grid projects, with a focus on measuring and achieving performance of applications on grids. For these purposes we investigate and compare the areas of applications, infrastructure, management, scheduling, load balancing, and benchmarking, for the Teragrid project and the North Carolina Statewide Grid effort in the US, Naregi in Japan, and EGEE and the German D-Grid project in Europe