Systems and methods for performing robotic endoscopic surgical procedures, according to a surgical plan prepared on a preoperative set of three dimensional images. A capacity of a data storage area of the volatile memory is larger than that of a data storage area of the nonvolatile memory. A connector portion electrically connects a feeder portion to the first electrode. The compression linkage is pivotally attached to the vehicle frame or chassis, such that it rocks back forth when the suspension engages rough terrain and the top of the shock absorber works in opposition to the bottom of the shock absorber. There is no need to use a planarization process such as chemical-mechanical polish to planarize the top surfaces of the chips. The network device then receives a second call request from the first device that includes the redirect ID.