A bone fixation device is provided that includes one or more plates and one or more screws having an acruate outer surface. In particular, the disclosed methods and systems optimize resource utilization and signaling in packet-based networks. When a next version of the document including a modification to a first object of the first version is received, a sharable object is identified based on a hierarchical relationship between the sharable object and an ancestor of the modified first object. The feedback paths work in concert to turn the switches on and off together to prevent excessive voltage from developing across one or a subset of the switching elements.