ftp:&#x2F;&#x2F;ftp.cis.upenn.edu&#x2F;pub&#x2F;mbgreen&#x2F;papers&#x2F;ton98.pdf<p>A study was done on the Performance of CRCs on Real Data. CRC16 as used for TCP has real biases. &quot;In one dramatic  case, 0.01% of the check values appeared nearly 15% of the time&quot;