The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 14, 2017

Filed:

Jan. 25, 2012
Applicant:

Yoshifumi Tanimoto, Kyoto, JP;

Inventor:

Yoshifumi Tanimoto, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 12/741 (2013.01); H04L 12/46 (2006.01); H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04L 45/745 (2013.01); H04L 12/4641 (2013.01); H04L 61/2535 (2013.01);
Abstract

A relay server mainly includes a VPN group information storage unit, an address filter information storage unit, and a communication control unit. The VPN group information storage unit is arranged and programmed to store information concerning routing apparatuses that define a VPN group and a routing session. The address filter information storage unit is arranged and programmed to store address filter information in association with identification information of the routing apparatus. The communication control unit is arranged and programmed to perform controls of: upon detection of that an address included in the address filter information overlaps, causing a translated address to be associated with the overlapping address, and transmitting the translated address to another routing apparatus; and performing routing based on the address filter information and the translated address.


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