Various domains may wish to specify different implementations of the type; e. The ophthalmic lens, which is located outside the plasma generating device, is irradiated with the plasma blown out from the plasma generating device to modify the surface of the ophthalmic lens to form a final ophthalmic lens product. To determine whether a backdoor link is used in the C-VLAN topology, PEs monitor MAC address from a predetermined time after a TCN is received to determine if there are contradictory addresses or new addresses relative to the existing MAC address tables that are indicative of a backdoor link. High throughput time-multiplexed RS-based LDPC code decoder design models and circuit architectures are presented.