COMMUNICATION SYSTEM, ACCESS POINT DEVICE, SERVER DEVICE, GATEWAY DEVICE, AND COMMUNICATION METHOD

Title:

COMMUNICATION SYSTEM, ACCESS POINT DEVICE, SERVER DEVICE, GATEWAY DEVICE, AND COMMUNICATION METHOD

Document Type and Number:

Japanese Patent JP2015204499

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a communication system that enables devices at both ends of a communication path to reliably obtain IP addresses of the respective opposite devices when a secure communication path is established.SOLUTION: A communication system includes an access point device and a server device. The access point device comprises: means for transmitting an acquisition request for address information on an opposite device to the server device; means for receiving the address information on the opposite device transmitted by the server device in response to the acquisition request; and means for establishing a secret communication path to the opposite device on the basis of the address information on the opposite device. The server device comprises: means for storing the address information on the opposite device to which the access point device should connect; and means that refers to the address information storage means, identifies the address information on the opposite device, and transmits the address information as a response to the acquisition request to the access point device when the acquisition request for the address information on the opposite device is received from the access point device.

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Inventors:

ISE YUKI
HOMAN TAKESHI
SAKINO SHINYA
MINAMI MASAKI
YAGI TAKASHI
AZUMA MASAKAZU
HANAZAWA YUKI
AKASHI KATSUKI

Application Number:

JP2014082275A

Publication Date:

November 16, 2015

Filing Date:

April 11, 2014

Export Citation:

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Assignee:

NIPPON TELEGRAPH & TELEPHONE

International Classes:

H04L12/70; H04L12/66; H04W12/08

Domestic Patent References:

JP2012509621A	2012-04-19
JP2012533970A	2012-12-27
JP2012509621A	2012-04-19
JP2012533970A	2012-12-27

Foreign References:

US20130097418A1	2013-04-18
WO2013175671A1	2013-11-28
US20130097418A1	2013-04-18
WO2013175671A1	2013-11-28

Attorney, Agent or Firm:

Shiga International Patent Office

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