A consumer policy request for {TAIL ~ a web service} is mediated through {HEAD ~ a functional web service} or a policy web service 
A consumer policy request for { TAIL ~ a web service } is mediated through { HEAD ~ a functional web service } or a policy web service
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH