It extends the network management mode of CSM, and offers a service-oriented management interface between customers and service providers. Extends some provider’s service management towards the customers and enables customers to monitor and control information about service-specific QoS parameters. Logical network, a hierarchical presentation of abstract network is presented; the definition, attribute, structure and computing method of the logic network is discussed. The presentation and access of CSM-MIB which is implemented using distributed objects is completed; by taking advantage of logical network, the abstract customized views of physical network is built and the management functionalities of agreement, assignment, performance monitoring and reporting of CSM are implemented. Practice in implementing CSM system indicates that it is a reasonable method to construct CSM system using distributed object technology. Service Management is a developing new network management paradigm. At current stage, the applied CSM target concentrates on IP connection service.