无线局域网(WLAN)是一项大有前途的技术,但在国内,其发展面临的问题有两点是不容忽视的。一是应用了WLAN的企业所占的比例还相当小。造成这种局面的一个重要因素是企业用户不清楚实施WLAN的成本以及可获得的回报,因此心中没底,不敢贸然上马。二是对WLAN的发展有着不少误解,例如无线局域网会替代有线网,或是WLAN会取代3G,有了 Wireless local area network (WLAN) is a promising technology, but at home, its development faces two problems that can not be ignored. First, the proportion of companies that use WLANs is still quite small. An important factor in this situation is that business users are not aware of the costs of implementing WLANs and the rewards they can get. As a result, they do not dare to rush into the market. Second, there are many misunderstandings on the development of WLAN, for example, wireless LAN will replace wired network, or WLAN will replace 3G, with