Method and apparatus for load balancing with server state...

Details Method and apparatus for load balancing with server state... Method and apparatus for load balancing with server state...

2011-01-04

2011-01-04

Gilles, Jude J Jean (Department: 2443)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data routing

Least weight routing

C709S223000, C370S503000, C711S156000, C711S100000, C711S154000, C711S141000, C711S146000

Reexamination Certificate

active

07865614

ABSTRACT:
A computer implemented method, apparatus, and computer usable program code for load balancing in a cluster. In response to receiving a notification of an impending state change event in the server, a weight adjustment value for a server is identified to form an identified weight adjustment. An adjusted routing weight for the server is generated using the identified weight adjustment to form a current routing weight for the server. An incoming service request is routed to a selected server in the cluster using current routing weight associated with servers in the cluster.

REFERENCES:
patent: 6970425 (2005-11-01), Bakshi
patent: 2002/0010783 (2002-01-01), Primak et al.
patent: 2003/0158940 (2003-08-01), Leigh
U.S. Appl. No. 10/978,944, filed Nov. 1, 2004, Black-Ziegelbein et al.
U.S. Appl. No. 11/106,098, filed Apr. 14, 2005, Gissel et al.

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