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尽管当今的网络市场依然是有线网络在唱主角,人们谈论的话题也常常是ISDN、ATM等等。但随着网络在全社会各个领域的全面应用,人们对网络也提出了一些新的要求,如灵活性、移动性和易扩展性等。这就为无线网络的出现提供了时机。 有线网络布线系统属于固定地点安装,需要事先规划,一般来说工期较长,造价较高,难于维护。有线方案也很难适应一些特殊场地,如:展
Although today’s Internet market is still the protagonist of the cable network, people talk about the topic is often ISDN, ATM and so on. However, with the full application of the Internet in all fields of society, people have also made some new demands on the Internet, such as flexibility, mobility and scalability. This provides an opportunity for the emergence of wireless networks. Wired network cabling system is a fixed location installation, planning in advance, in general, longer duration, higher cost, difficult to maintain. Wired program is also difficult to adapt to some special venues, such as: exhibition