| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a communication device which collects information about a path to be a candidate when it is necessary to change or delete a path of lower priority in accordance with new path setting. <P>SOLUTION: The communication device collects and holds link information including information showing an empty band by every priority for each link in a system, determines a path of a setting path based on the band and the priority of the setting path and the link information, specifies a link for change which stores the path whose deletion or change of the band is necessary owing to the setting of the setting path and individual link priority which is the priority of the path among links on the determined path, and acquires path information including path identification information, the band, the priority, and information to specify a communication device to be a starting point of the path for a path equal to or less than the individual link priority of the link for change stored in the link for change from a communication device connected to the link for change or a device which manages the path information of the communication system. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
