To use centralised network computing power to execute the bridging, forwarding, authentication, encryption and policy enforcement functions for a wireless LAN. To provide a generic encapsulation and transport mechanism for transporting frames between hub devices and access points, which will enable multi-vendor interoperability and ensure that LWAPP can be applied to other access protocols in the future. Wireless Network Physical Architecture Table 3-4: LWAPP Functions LWAPP function Description Access point device An access point sends a Discovery Request frame discovery and and any receiving access router responds with a information exchange Discovery Reply frame. The access point selects a responding access router and associates by exchanging Join Request and Join Reply frames. Access point After association, the access router will provision the certification, access point, providing a Service Set Identifier (SSID), configuration, security parameters, operating channel and data rates provisioning and to be advertised. The access router can also configure software control MAC operating parameters (e.g. number of transmission attempts for a frame), transmit power, DSSS or OFDM parameters and antenna configuration in the access point. After provisioning and configuration, the access point is enabled for operation. Data and management LWAPP encapsulates data and management frames frame encapsulation, for transport between the access point and access fragmentation and router. Fragmentation of frames and re-assembly of formatting fragment will be handled if the encapsulated data or management frames exceed the Maximum Transmission Unit (MTU) supported between the access point and access router. Communication LWAPP enables the access router to request statistical control and reports from its access points, including data about the management between communication between the access point and its access points and associated devices (e.g. retry counts, RTS/ACK associated devices failure counts). The main communication