UPnP QoS network system and method for reserving path and resource

A UPnP QoS (universal plug and play quality of service) network system comprising:

• at least one UPnP QoS execution device configured to collect and provide network status information, and perform QoS for a requested service by reserving network resources on a selected path in response to path information and resource reservation information, the selected path being one selected among a plurality of paths;
• and
• at least one UPnP QoS management device configured to determine a path to be selected for the requested service by considering a QoS rank for the requested service and the network status information provided by the UPnP QoS execution device, and provide the path information and the resource reservation information to the UPnP QoS execution device,
• wherein the UPnP QoS execution device selects the path determined by UPnP QoS management and reserves network resources on the selected path in response to path information and resource reservation information provided by the UPnP QoS management device, and
• wherein the UPnP QoS management device includes:
• a network status information collector configured to collect the network status information through the UPnP QoS execution device;
• a path calculator configured to calculate an optimal path for the requested service by considering the QoS rank for the requested service and the network status information collected by the network status information collector and generate the path information, the optimal path being the selected path;
• and
• a path and resource reservation controller configured to generate the resource reservation information for the requested service based on the QoS rank and transmit the resource reservation information together with the path information to the UPnP QoS execution device.

A method of reserving a path and resources of UPnP QoS (universal plug and play quality of service) network system including a UPnP QoS management device and a plurality of UPnP QoS execution devices, the method comprising:

• collecting network status information of each UPnP QoS execution device by using the UPnP QoS management device if service is requested to be provided;
• acquiring path information and resource reservation information by using the UPnP QoS management device according to the network status information and a QoS rank of the service;
• determining a path to be selected based on the path information and selecting an interface on the path to be selected, the selected path being one selected among a plurality of paths;
• and
• reserving network resources of the selected interface based on the resource reservation information by using each UPnP QoS execution device,
• wherein the plurality of UPnP QoS execution devices select the path determined by UPnP QoS management and reserve network resources on the selected path in response to path information and resource reservation information provided by the UPnP QoS management device,
• wherein the path information is address information of all UPnP QoS execution devices on a path from the device requesting the service to be provided to a target device, address information of neighboring devices of the UPnP QoS execution devices, or identification information of interface devices of the UPnP QoS execution devices.

A method of reserving a path and resources of UPnP QoS (universal plug and play quality of service) network system including one or more UPnP QoS management device and one or more UPnP QoS execution devices, the method comprising:

• collecting network status information of each UPnP QoS execution device by using the UPnP QoS management device if service is requested to be provided;
• acquiring path information and resource reservation information by using the UPnP QoS management device according to the network status information and a QoS rank of the service;
• determining a path to be selected based on the path information and selecting an interface on the path to be selected, the selected path being one selected among a plurality of paths;
• and
• reserving network resources of the selected interface based on the resource reservation information by using each UPnP QoS execution device,
• wherein the UPnP QoS execution device selects the path determined by UPnP QoS management and reserves network resources on the selected path in response to path information and resource reservation information provided by the UPnP QoS management device, and
• wherein the acquiring of the path information and the resource reservation information comprises:
• calculating an optimal path for the service by considering a QoS rank of the service and the network status information, the optimal path being the selected path;
• generating the resource reservation information for the requested service based on the QoS rank of the service;
• and
• providing the path information and the resource reservation information to all the UPnP QoS execution devices located on the calculated path.