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:
Jan. 09, 2007
Filed:
Jan. 06, 2003
Takehiro Morishige, Hachioji, JP;
Hidenori Inouchi, Higashimurayama, JP;
Yukiko Takeda, Tokorozawa, JP;
Koji Tanaka, Yokohama, JP;
Takehiro Morishige, Hachioji, JP;
Hidenori Inouchi, Higashimurayama, JP;
Yukiko Takeda, Tokorozawa, JP;
Koji Tanaka, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Since the Mobile IP is defined under the assumption that a mobile node roams between networks conforming to the same communications protocols, mobile communications between IPv4 and IPv6 are not possible. Further, a translation of the location registration messages also requires translating the format between different protocol layers. To solve this problem, a mobile proxy apparatusis provided between a home networkand a foreign networkgoverned by different communications protocols. The mobile proxy apparatushas a DNS-ALG function, a translator function and a Mobile IP function, and, by combining these functions, performs address translation and format translation on Mobile IP messages and user packets. The MN4 has Mobile IPv4 and Mobile IPv6 functions and executes communication suitable for the communications protocol governing the network to which it moves.