A technique for providing routing of various multimedia events throughout the course of a multimedia presentation using a computer with a storage and a display. One embodiment includes dividing the number of data entries of an array, having a number of data entries that each utilize a variable having a changeable state, into a number of blocks. Each of the support stands includes a canopy hook for releasably engaging the canopy. To re-key files, an automated process can decrypt any files using previous keys and encrypt them using the current key. A system is provided that includes an L2 device including a controller determining for each packet received whether the received packet is to be inspected, an inspection device operable to inspect and filter packets identified by the controller including using a zone specific policy and an L2 controller for transferring inspected packets in accordance with L2 header information using L2 protocols.