Title:
MANAGEMENT DEVICE, MANAGEMENT METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2011/117977
Kind Code:
A1
Abstract:
A PLC (400) stores a network configuration key generated by combining the node information keys of each of the PLC (400), a PLC (500), and a personal computer (200), receives from the PLC (500) and the personal computer (200) new node information keys generated using the serial numbers of each and resources held by each, generates a new network configuration key by combining a new node information key generated using the serial number and the resource of the PLC (400) and the new node information keys received from the PLC (500) and the personal computer (200), compares the new network configuration key with the stored network configuration key, and can determine the occurrence of erroneous configuration of a network, variation in the network, or variation in the resources when both of the network configuration keys do not match.
Inventors:
FUJISAWA AKIRA (JP)
Application Number:
PCT/JP2010/055031
Publication Date:
September 29, 2011
Filing Date:
March 24, 2010
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
FUJISAWA AKIRA (JP)
FUJISAWA AKIRA (JP)
International Classes:
H04L12/28
Foreign References:
| JP2005073248A | 2005-03-17 | |||
| JP2006067569A | 2006-03-09 | |||
| JP2009294859A | 2009-12-17 |
Attorney, Agent or Firm:
MIZOI, Shoji et al. (JP)
Shoji Mizoi (JP)
Shoji Mizoi (JP)
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Claims:
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