A data switching system, having a switch processor, directs requests to initiate a new operation session of an executable application. A leaf spring biases the handles towards an open position. A four-bar linkage is preferably used in combination with a rotational drive mechanism to provide various advantages in rotating the tarpaulin assembly between the covered and uncovered positions. Preferably, the fiber flock comprises fiber segments having a length less than one inch. The locally coupled storage devices may also cache data intelligently pre-fetched from the remote storage devices based on reading patterns andor pre-configured policies of the VMs in anticipation of read operations. 5 mole percent metal chloride and at least 10 mole percent of MgO, SrO, BaO, and CaO combined.