Patent ID: 7840674
Filing Date: 2010-11-23
Classification: H04L

Abstract:
1. A method for routing requests over a network having at least one client and a plurality of servers, the requests including idempotent and non-idempotent requests, to ensure that non-idempotent requests are processed, the method comprising: maintaining a list of servers from the plurality of servers, wherein each server in the list of servers is marked a status of available or unavailable; marking a server that last indicated successful processing of a request from a client as a last available server in the list of servers; determining a type of a subsequent request; responsive to the subsequent request being a non-idempotent request, responsive to the subsequent request being an idempotent request, routing the subsequent request to an available server using at least one algorithm for server selection, the algorithm selected from the group consisting of: a random selection, round robin selection, and least recently used selection.