In a specific embodiment, the data pattern enforcer verifies packets at the layer 2 adaptor level using a value bit vector , a count value, and {TAIL ~ a mask} to compare to data found in {HEAD ~ packets} 
In a specific embodiment , the data pattern enforcer verifies packets at the layer 2 adaptor level using a value bit vector , a count value , and { TAIL ~ a mask } to compare to data found in { HEAD ~ packets }
OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD