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:
Nov. 18, 2008
Filed:
Dec. 15, 2004
Applicant:
Junji Yamamoto, Tokyo, JP;
Inventor:
Junji Yamamoto, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04Q 7/00 (2006.01); H04Q 7/20 (2006.01); H04L 12/28 (2006.01); H04L 12/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and a device to resolve the problem of long communication paths between a mobile node, and a node not supporting mobile IP wherein a plurality of home agents are established in the network and by using the anycast address as the home address, the home agent nearest the communication node or mobile node is selected from among the home addresses.