In one embodiment, a client computer receives messages from a server computer over a computer network. The method may include generating an authorization combination at a metadata server and encrypting the authorization combination. The interface receives user input data associated with relocating a plurality of items and displays a plurality of cost estimates that includes a total moving cost. The capture trajectory is defined to allow a minimum capture duration. The high-speed external port is coupled to the high-speed internal bus and the high-speed external port provides an interface to an external high-speed bus.