In the WLAN, two terminals with the BSS often need to exchange much data, which led to the decline of the network performance and the security issues. The process of security validation in WAPI (WLAN authentication and privacy infrastruc-ture) and the characteristics of TDLS (tunneled direct link setup) introduced by IEEE802. llz are analyzed, and a design scheme of direct link based on WAPI is proposed. The function of direct link is implemented by switching quickly between BSS (basic service set) and IBSS (independent BSS) in WLAN. The design is implemented on the WLAN network card program based on WAPL%在无线局域网中同一个基本服务集下的两个终端之间经常需要进行大量数据的交换,由此导致整个网络性能下降以及网络的安全问题,通过分析无线局域网鉴别和保密基础结构和IEEE 802.11z中隧道直接链接设置的特点.提出了一种基于无线局域网鉴别和保密基础结构的,具有直连功能的设计方案.方案中的直连功能是通过对无线局域网中基本服务集和独立基本服务集两种模式之间进行快速转换而实现的.在支持无线局域网鉴别和保密基础结构的网卡程序中使用软件实现设计方案,并对软件进行测试.
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