Ø
 Ø The
 AC decision of our proposed scheme consists of two stages. 
 Ø
 ØProbing stage
 Ø
 vThe AC estimates the
 impact of the new flow by probing the network. 
 Ø
 Ø
 ØDecision stage
 Ø
 vThe AC searches whether
 there is a feasible path which can accommodate the new call by considering the
 impact of that new flow on the network without affecting the quality of
 formerly accepted flows.