The policy adapters are configured to transform the received single unified method call into a format acceptable by {HEAD ~ each associated policy server}, place the transformed requests to {TAIL ~ the associated policy servers} and format results from the policy servers back to the policy broker engine 
The policy adapters are configured to transform the received single unified method call into a format acceptable by { HEAD ~ each associated policy server } , place the transformed requests to { TAIL ~ the associated policy servers } and format results from the policy servers back to the policy broker engine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH