Patent ID: 6324580
Filing Date: 2001-11-27
Classification: G06F,H04L

Abstract:
A method of balancing requests for a replicated service among a plurality of servers, wherein the requests are received at a central server, the method comprising:selecting a policy, said policy comprising one or more factors for selecting a preferred server to receive a request for the replicated service, wherein said one or more factors includes a first factor;operating a first status module to determine a status of said first factor for a first server;operating a second status module to determine a status of said first factor for a second server;receiving said first server status at the central server;receiving said second server status at the central server;examining said first server status and said second server status to select a preferred server;storing an identifier of said preferred server on the central server; anddirecting a request for the replicated service received at the central server to said preferred server, wherein said directed request is received after said storing.