"The EGEE project is funded by the European Commission and aims to build on recent advances in grid technology and develop a service grid infrastructure which is available to scientists 24 hours-a-day" (http://public.eu-egee.org). The Authorization Framework of EGEE is built upon XACML. The developers from Switch (a href="http://www.switch.ch">http://www.switch.ch) checked various XACML implementations and decided for ours to use for the grid's Authorization Framework.