Many of the owners of these computers have desktop machines on LANs and WANs back at the office and want to be connected to their home base even when away from home or a route.

• 许多电脑的主人的办公室里有当地地区网络和广域网络的桌面工具，他们想在离开家的时候或者在路上的时候和总部连接上。