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:
May. 26, 2009
Filed:
Feb. 14, 2005
Vijay Devarapalli, Sunnyvale, CA (US);
Basavaraj Patil, Coppel, TX (US);
Kengathran Sivalingam, Irving, TX (US);
Vijay Devarapalli, Sunnyvale, CA (US);
Basavaraj Patil, Coppel, TX (US);
Kengathran Sivalingam, Irving, TX (US);
Nokia Corporation, Espoo, FI;
Abstract
A system for selectively updating an address of a mobile node capable of roaming in a home communication network and at least one visited network. The system including a database for storing at least one data entry which is a mapping between a humanly-readable identifier indicating the mobile node and a machine-readable identifier indicating a physical address at which the mobile node can be reached. A home agent in the home network has a connection to the database, and is operable to receive an update message from the mobile node when the mobile node roams into the visited network. Also there are units for determining whether the machine-readable identifier of the at least one entry in the database should be updated, wherein the database is updated if the update message additionally includes the humanly-readable identifier.