US Patent 7568032 Method of balancing load among mirror servers

A method for balancing load among a plurality of mirror servers, wherein a user may select and get access to any one of said plurality of mirror servers within an identical web page, comprising steps of: (1) when said web page is accessed by a client, transmitting not only said web page but also a predetermined script to said client; (2) automatically executing said script at said client so as to respectively create connections with each of said plurality of mirror servers and measure respective response times; (3) selecting the mirror server having the shortest response time for users to access.