In still other features, the communications channel is {HEAD ~ a data storage system} including {TAIL ~ a write path} and a read path 
including
In still other features , the communications channel is { HEAD ~ a data storage system } including { TAIL ~ a write path } and a read path
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH