A Grid, he writes, is a system that coordinates resources that are not subject to centralized control using standard, open, general-purpose protocols and interfaces to deliver nontrivial qualities of service.Perhaps the most widely known example of Grid computing is the SETI@home project (hosted by the University of California at Berkeley; <a href="http://setiathome.ssl.berkeley.edu),">http://setiathome.ssl.berkeley.edu),</a> in which the unused