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.
Patent No.:
Date of Patent:
Aug. 07, 2018
Filed:
Sep. 29, 2016
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Masaya Oda, Fukuoka, JP;
Ryuichi Ebuchi, Fukuoka, JP;
Tomokazu Makino, Fukuoka, JP;
Junji Ono, Fukuoka, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/46 (2006.01); H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04L 12/4604 (2013.01); H04L 61/255 (2013.01); H04L 61/256 (2013.01); H04L 61/2514 (2013.01); H04L 61/2557 (2013.01);
Abstract
According to one aspect, a communication apparatus is provided which is on a LAN and coupled to a server via an external network involving a NAT traversal with a router of the LAN. The communication apparatus is configured to determine a configuration of the router of the LAN; and request the server to transmit a NAT update request packet to the router, which is registered in the server and performs the NAT traversal, when it is determined that the configuration of the router of the LAN is in two or more stages.