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