A flow bit mechanism and technique conveys per-channel flow control information pertaining to the status of output buffers located on line cards to at least one performance routing engine of an intermediate network node, such as an aggregation router. The memory circuit includes a first plurality of keepers each of which is electrically coupled with a corresponding one of the first plurality of memory arrays. A series of images of the fingerprint is taken and processed such that a motion vector or an image of the fingerprint is obtained. An inquiry message is sent to the radio access network for broadcast to the electronic devices, requesting information from the electronic devices. Another step involves the application of a carcass reinforcement on the section of the outer surface of the drum that has the same radial distance from the axial center of the drum.