Thus, {HEAD ~ support} for {TAIL ~ SIDs} that may already be included in various operating systems or devices can be leveraged using the techniques discussed herein, extending the support in those operating systems or devices to use the package identifier SID discussed herein 
for
Thus , { HEAD ~ support } for { TAIL ~ SIDs } that may already be included in various operating systems or devices can be leveraged using the techniques discussed herein , extending the support in those operating systems or devices to use the package identifier SID discussed herein
OTH OTH HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH