This document provides a problem statement and scope boundaries to be used as input to the proposed Diffserv Control Plane Elements (DCPEL) BOF. The goal of DCPEL is to provide a standard framework for the DiffServ Control Plane (DCP), service definition information models This document provides a problem statement and scope boundaries to be used as input to the proposed Diffserv Control Plane Elements (DCPEL) BOF. The goal of DCPEL is to provide a standard framework for the DiffServ Control Plane (DCP), service definition information models