如果负荷平衡软件支持广域网，那末可以在世界任何地点给网络增加服务器，而服务器的性能仍然如同它们是局域网的一部分那样高。

• If the load-balancing software supports WANs,then servers can be added to the network at any point in the world,and the servers'performance would still be as high as it would be if they were part of a LAN.