Methods and apparatuses of a trusted index structure in a network environment. In one embodiment, a data processing system includes a master device and at least one slave device to communicate with each other through a network; and a master lock status of a shared storage device to determine the master...http://www.google.co.uk/patents/US7962449?utm_source=gb-gplus-sharePatent US7962449 - Trusted index structure in a network environment
