The WAP architecture comprises several components, each serving a specific function. It is general purpose environment based on combination of WWW and mobile telephony technologies. In infrastructure wireless networking, there may be multiple access points to cover a large area or only a single access point for a small area such as a single home or small building. Each WAP is limited by a transmissions range, the distance a client can be from a WAP and still get a useable signal. 9 minutes to read 3. Figure 3.26 shows an example of a WAP in a network configuration. WAPs also typically have several ports allowing a way to expand the network to support additional clients. As mentioned, a WAP is used in an infrastructure wireless network design. Components of a WAP service . If you are implementing a wireless network, consider whether using these rugged devices may be warranted. In this article, I’ll discuss the basics of WAP technology. As described earlier the 'bearer' level of WAP depends on the type of mobile network. Examples of such devices are PDAs and mobile telephones with displays. A user with a WAP device requests content from the application server. © 2021 Pearson Education, Pearson IT Certification. The transmission range a WAP can support and number of wireless devices that can connect to it depends on the wireless standard being used and the signal interference between the two devices. This familiar model leverages the existing development skills of WWW programming. WML and WMLScript are collectively known as WAE, the Wireless Application Environment. Figure 3.26 WAPs connect WLANs and a wired Ethernet LAN. WAPs use the wireless infrastructure network mode to provide a connection point between WLANs and a wired Ethernet LAN. WAP can also be used to access data from corporate intranets through public or private IP networks. WAP is an open specification that defines a set of protocols in application, session, transaction, security, and transport layers. ii. A WML to develop WAP application. WAP Communication Protocol & its Components. Users of wireless WANs operate small and portable devices. WAPs are typically deployed as part of a larger network infrastructure, but in some environments, such as small businesses or home offices, they can operate completely independently of a normal network. A user can be anything that directly utilizes the wireless network. Overview A satellite-based wireless WAN, for example, has different components than a cellular-based system. . Because the wireless network exists to servethe user, the user is the component that receive… The following figure shows how the components in a WAP service interact. For example: GPRS, GSM, UMTS. A WAP for All Seasons Because wireless networks are sometimes deployed in environments other than inside a warm, dry building, some manufacturers offer rugged versions of WAPs. 2. In part 2, the emphasis will be on using WAP in the enterprise, and I’ll focus on how to port SQL Server data to a WAP phone emulator using a sample application. The three primary layers in the WAP architecture consist of the Wireless Datagram Protocol (WDP), the Wireless Transaction Protocol (WTP), and the Wireless Session Protocol (WSP). A WAP is typically a separate network device with a built-in antenna, transmitter, and adapter. The wireless hubs now available also serve as routers. ALL RIGHTS RESERVED. Home You can choose which devices to connect to the router and which to the wireless access point. WAP terminals. The exact protocols used depend on which version of WAP you are implementing. 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