不久以前,PC还是一个“孤岛”。当然,您可以将PC连到打印机或其他外部设备上,但从很大程度上来说,PC只是一台独立装置。现在,许多“智能”电子设备(包括PDA、置顶盒和录像机甚至报警系统)都将计算机环境延伸到现代家庭的每个角落。 遗憾的是,连接这些设备以便共享其信息及资源还是一个不切实际的目标。主要问题在于大多数设备不是按标准连接方式制造的,这使得它们互不兼 Not long ago, PC is still an “island.” Of course, you can connect your PC to a printer or other external device, but for the most part, the PC is just a standalone device. Nowadays, many “smart” electronic devices, including PDAs, set-top boxes and video recorders and even alarm systems, extend the computing environment to every corner of the modern home. Unfortunately, connecting these devices to share their information and resources is an unrealistic goal. The main problem is that most devices are not manufactured as standard, which makes them mutually exclusive