Abstract:
PROBLEM TO BE SOLVED: To specify a suspect point with a duplicate router ID easily and early. SOLUTION: In (A), when sequence numbers of records Ra and Rb are compared with each other, they are not sequential (54 and 152). Accordingly, link IDs of records Ra and Rb are compared with each other. The link ID of the record Ra is {nw11, nw12}, and the link ID of the record Rb is {nw98, nw99}. Thereby, both IDs are not identical. Accordingly, the link ID {nw98, nw99} is transmitted to a management server Si (The link data {m98, m99} may be included). COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To achieve an efficient LCAS processing procedure and to reduce a loss data amount. SOLUTION: A source node or a sync node holds the route information of a VC path and efficient processing based on route information is achieved in LCAS processing. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To select a path reflecting a link use situation by linking traffic information on a current link to a link state type routing protocol. SOLUTION: A node is provided with a traffic observing part, traffic information obtained by observation is attached to link state information, and the traffic information is reflected to select a path. To reflect the traffic information on the link state information, a method for publicly announcing the link state information is used to update a link state DB by flooding. Otherwise, the traffic information of each node is transmitted to a traffic information collection and distribution device that collectively manages traffic information, and the traffic information collection and distribution device collects the traffic information from the respective nodes and distributes the traffic information to the respective nodes. The respective nodes update the link state DB from the distributed traffic information. COPYRIGHT: (C)2003,JPO