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