Title:
ネットワークシステム及びサーバ
Document Type and Number:
Japanese Patent JP4983104
Kind Code:
B2
Abstract:
One or more LAN switches capable of accessing the contents of a MAC address table, which the LAN switch contains, from the outside; and a presence server storing in a storage device a first correspondence table between a MAC address of a network interface, which equipment contains, and its user, and a second correspondence table between a port of the above-described LAN switch, and a physical range wired therefrom, are used to thereby obtain a correspondence table between the equipment, its user, and its physical location (range), whereby making applicable also to a wired LAN at the time of determining the location of the equipment or the location of a user using the equipment in a building, and making realizable at low cost, and allowing the location to be determined accurately within a predetermined segmented area, and not being affected even if an IP address is changed.
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Inventors:
Kanada Yasushi
Hiroshi Odaka
Hiroshi Odaka
Application Number:
JP2006161786A
Publication Date:
July 25, 2012
Filing Date:
June 12, 2006
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H04L12/44
Domestic Patent References:
| JP2005236893A | ||||
| JP11122284A |
Attorney, Agent or Firm:
Manabu Inoue