Patent ID: 7415003
Filing Date: 2008-08-19
Classification: H04J,H04L

Abstract:
1. A system for managing a communication network composed of a plurality of subnetworks, comprising: a plurality of element managers provided one for each of the plural subnetworks, at least one subnetwork of the plurality of the subnetworks having a different technology than other subnetworks of the plurality of subnetworks; and a network manager accommodating said plural element managers for concentrated management thereof; wherein each of said plural element managers having a collection and notification section for collecting QoS (Quality of Service) capability management information on the corresponding element manager and notifying said network manager of the collected QoS capability management information; said network manager having a management section including a function object group which performs a control of QoS policy provisioning over the communication network and an information object group which manages network information of each of the plural subnetworks, and for concentratedly managing various QoS capabilities of the whole communication network, based on the QoS capability management information collected and notified by the individual element managers, a request reception section for receiving a request for a target QoS capability, and a selection and notification section for selecting a candidate subnetwork having a QoS capability such as to satisfy a target pattern indicating a guarantee of QoS including at least one of the processing capability of layer each of said element managers further having a control section for controlling the corresponding subnetwork based on the selection information notified by said selection and notification section of said network manager.