You should look at some reasearch done ny James Mickens: http://research.microsoft.com/apps/pubs/default.aspx?id=154698 http://research.microsoft.com/apps/pubs/

You should look at some reasearch done ny James Mickens: http://research.microsoft.com/apps/pubs/default.aspx?id=154698 http://research.microsoft.com/apps/pubs/default.aspx?id=1546... http://www.slideserve.com/illias/atlantis-robust-extensible-execution-environments-for-web-applications http://www.slideserve.com/illias/atlantis-robust-extensible-... Of course this is not something that is going to be useable anytime soon, but it hints at an interesting architecture.