According to the present invention, adaptor cards or drivers for installation in a network include a simple data pattern enforcer operating at {TAIL ~ the lowest layer} at which {HEAD ~ packets} are recognized 
at are recognized
According to the present invention , adaptor cards or drivers for installation in a network include a simple data pattern enforcer operating at { TAIL ~ the lowest layer } at which { HEAD ~ packets } are recognized
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD REL REL