Patent ID: 7174378

Claim:
A system for providing a co-location service equipped with a global load balancing(GLB) function among dispersed IDCs(Internet Data Centers), wherein the co-location service is a network operation service for collectively operating a plurality of private IP networks built in each dispersed IDC as one integrated network by connecting the private IP networks, comprising: a plurality of switching hubs, connected to each giga port of the IDCs, for changing public IP address into private IP address by constructing a network having public IP address area and private IP address area; a plurality of giga lines for connecting the plurality of switching hubs using a gigabit Ethernet(GBE) module mounted in each of the plurality of switching hub to thereby integrate the private IP networks into the integrated network; a layer 4 (L4) switch, connected to the plurality of switching hub, for performing the server load balancing; a customer server connected to the L4 switch by means of the private IP networks; and a GLB server, connected to a switching hub, for finding a shortest path for a client computer to connect to a server residing in an IDC.