O.T.Trusted Grid and P2P Computing: <A HREF="http://gridsec.usc.edu/hwang/TalksandPresentations/ChinaVisitHwang_June2005.pdf" target="_blank">http://gridsec.usc.edu/hwang/TalksandPresentations/ChinaVisitHwang_June2005.pdf</A> dude_danny