In general, techniques are described for {HEAD ~ hierarchical application} of {TAIL ~ security services} with a network device 
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In general , techniques are described for { HEAD ~ hierarchical application } of { TAIL ~ security services } with a network device
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH