A master policy server manages security polices for client computers through a network of local policy servers. At least a portion of the front face is translucent. The coupling element includes through passageways for receiving a fiber-reinforced strand that passes through the coupling elements to position the strands in a desired orientation to support a plant. A sense amplifier compares an input bit line current to a threshold and outputs a logical low when the bit line current goes over the threshold. The edges of the contact hole are configured as diffusion stop structures. Turning on the migration command causes the guest to migrate to a second hypervisor.