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. 10, 2010
Filed:
Dec. 12, 2008
Daisuke Arai, Saitama, JP;
Kenji Hori, Saitama, JP;
Akira Idoue, Saitama, JP;
Takeshi Kouyama, Tokyo, JP;
Jun Endou, Tokyo, JP;
Daisuke Arai, Saitama, JP;
Kenji Hori, Saitama, JP;
Akira Idoue, Saitama, JP;
Takeshi Kouyama, Tokyo, JP;
Jun Endou, Tokyo, JP;
KDDI Corporation, Tokyo, JP;
Abstract
A switchhaving a tag VLAN function includes a plurality of physical ports P, P. . . , and adds an ID tag unique to each physical port to the header of a packet received by the physical port and sends the packet, and on the other hand, refers to an ID tag attached to a packet received from a GWand sends the packet to a physical port corresponding to the ID tag. The GWsearches for a server address corresponding to the ID tag attached to the packet received from the switchand modifies a destination address of the packet into the server address. In addition, the GWattaches an ID tag corresponding to a source address of the packet received from the shared serverto the received packet, and modifies the source address of the packet into a GW address.