Method of balancing load and method of setting up call using...

Details Method of balancing load and method of setting up call using... Method of balancing load and method of setting up call using...

2007-10-23

2007-10-23

Nguyen, Tony T. (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S452100, C455S456100, C370S338000

Reexamination Certificate

active

10817363

ABSTRACT:
The present invention relates to a method of balancing a load and method of setting up a call using the load balancing method in a General Packet Radio Service (GPRS) network, which prevents a load from concentrating on a specific Gateway GPRS Supporting Node (GGSN) in the GPRS network, thus reducing a probability of failure in session establishment due to increased traffic. In the load balancing method, when a Service GPRS Supporting Node (SGSN) connected to a mobile node establishes a session, it selects a GGSN having a smallest number of established sessions among a plurality of GGSNs corresponding to an Access Point Name (APN) included in an Activate PDP Context Request message received from the mobile node and requests the selected GGSN to establish a session, thus solving a problem in which a load concentrates on a specific GGSN.

REFERENCES:
patent: 7123910 (2006-10-01), Lucidarme et al.
patent: 2004/0147262 (2004-07-01), Lescuyer et al.
patent: 1020030047102 (2003-06-01), None
patent: 1020030067089 (2003-08-01), None
patent: 1020030005548 (2005-01-01), None
patent: WO 03/032604 (2003-04-01), None
Scalable Gateway GPRS Support Node for GPRS/UMTS Networks, p. 2239-2243.
“Packet Routing Control Method for Mobile Communication Network” by Akihiro Morita et al.;Technical Report of IEICE. NS2002-94 RCS2002-122 (Jul. 2002); pp. 21-25, abstract.

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