Patent ID: 9225775
Filing Date: 2015-12-29
Classification: H04L

Abstract:
1. A method performed by a load balancing switch, the method comprising: storing, by the load balancing switch, round trip time data for each of a plurality of site switches, wherein the round trip time data for a site switch in the plurality of site switches comprises a time for exchanging at least one message between the site switch and a client machine, each site switch in the plurality of site switches associated with one or more host servers; receiving, by the load balancing switch from a domain name server, a plurality of network addresses generated by the domain name server in response to a domain name query originating at the client machine, the plurality of network addresses comprising network addresses of multiple site switches from the plurality of site switches; ordering, by the load balancing switch, the plurality of network addresses based upon the round trip time data for the plurality of site switches to generate a first ordered list of the plurality of network addresses; and causing, by the load balancing switch, the first ordered list of network addresses to be communicated to the client machine.