Patent ID: 6760775
Filing Date: 2004-07-06
Classification: H04L

Abstract:
A system for state failure and recovery, the system comprising:at least one first router that performs routing of data packets based on an address associated with the data packets and a first routing policy for routing data packets based on a service associated with the data packets; a plurality of host servers providing the service associated with the data packets; and a plurality of tunnels coupling the at least one first router and the plurality of host servers, respectively, wherein, a flow state corresponding to an application-level state at a terminal originating the data packets is maintained at the at least one first router for each data flow of data packets to direct the data flow of data packets into a selected tunnel from among the plurality of tunnels to a selected host server from among the plurality of host servers so as to maintain consistency at the application level such that packets destined for the originating terminal from the host server do not have to travel through the at least one first router.