The information message may consists of an information element at {HEAD ~ a location} in {TAIL ~ the message}, or more generally in an already existing used message, preferably the information element containing zero information or no duplication related information or an instruction not to perform a duplication 
in
The information message may consists of an information element at { HEAD ~ a location } in { TAIL ~ the message } , or more generally in an already existing used message , preferably the information element containing zero information or no duplication related information or an instruction not to perform a duplication
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH