Routing messages across a network in a manner that ensures...

Details Routing messages across a network in a manner that ensures... Routing messages across a network in a manner that ensures...

2004-05-10

2010-11-23

Avellino, Joseph E (Department: 2446)

Electrical computers and digital processing systems: multicomput

Computer network managing

Network resource allocating

C709S223000, C709S224000, C709S225000

Reexamination Certificate

active

07840674

ABSTRACT:
A load balancing method classifies requests routed by a client computer to a server computer as either idempotent or non-idempotent requests. Idempotent requests can be submitted multiple times if not processed on the first attempt. Non-idempotent requests are submitted only once. The method designates a last server that provided an indication that it last processed a request and marks that server as the last available server. In one implementation, the method routes non-idempotent requests to the last available server and routes idempotent requests to any server or any of a subset of servers.

REFERENCES:
patent: 4807118 (1989-02-01), Lin et al.
patent: 7133891 (2006-11-01), Uceda-Sosa et al.
patent: 2002/0161890 (2002-10-01), Chen
patent: 2004/0117453 (2004-06-01), Cheng et al.
patent: 2004/0205141 (2004-10-01), Goland

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