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:
Dec. 13, 2011
Filed:
Aug. 09, 2006
Andras Valko, Budapest, HU;
Zoltan Turanyi, Szentendre, HU;
Csaba Keszei, Budapest, HU;
Atsushi Iwasaki, Tokyo, JP;
Katsutoshi Nishida, Tokyo, JP;
Andras Valko, Budapest, HU;
Zoltan Turanyi, Szentendre, HU;
Csaba Keszei, Budapest, HU;
Atsushi Iwasaki, Tokyo, JP;
Katsutoshi Nishida, Tokyo, JP;
Telefonaktiebolaget LM Ericsson (Publ), Stockholm, SE;
Abstract
There are provided a method, a network system, and a router capable of decreasing the chance of VRM or VLM changes so as to reduce signaling, and consequently contributing to better scalability. The method is applied to mobility management used in an IP-based network system, which contains a plurality of access routers (AR), location managers (LM) and routing managers (RM), through which a mobile node (MN) transmits and receives information. According to the method, a visited routing manager (VRM) where the MN is currently located monitors the MN, an AR currently communicating with the MN discriminates whether or not the MN is moving out of its connectivity range, and the VRM discriminates whether or not the MN is moving out of its control range. Then, the method switches mobility management over from the current AR to a new AR in accordance with the discrimination results, and switches mobility management over from the current VRM to a new VRM in accordance with the discrimination result.