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Protocols for wireless applications Wireless data networks present a more constrained communication environment compared to wired networks. Because of fundamental limitations of power, available spectrum, and mobility, wireless data networks tend to have less bandwidth than traditional networks, more latency than traditional networks, less connection stability than other network technologies, and less predictable availability. Mobile devices have a unique set of features that must be exposed in the Web, in order to enable the creation of advanced telephony services that include location-based services, intelligent network functionality, including integration into the voice network, and voice/data integration. . | Mobile Telecommunications Protocols For Data Networks. Anna Hac Copyright 2003 John Wiley Sons Ltd. ISBN 0-470-85056-6 5 Protocols for wireless applications Wireless data networks present a more constrained communication environment compared to wired networks. Because of fundamental limitations of power available spectrum and mobility wireless data networks tend to have less bandwidth than traditional networks more latency than traditional networks less connection stability than other network technologies and less predictable availability. Mobile devices have a unique set of features that must be exposed in the Web in order to enable the creation of advanced telephony services that include location-based services intelligent network functionality including integration into the voice network and voice data integration. The Wireless Application Protocol WAP architecture provides a scalable and extensible environment for application development for mobile communication devices. The WAP protocol stack has a layered design and each layer is accessible by the layers above and by other services and applications. The WAP layered architecture enables other services and applications to use the features of the WAP stack through a set of well-defined interfaces. External applications can access the session transaction security and transport layers directly. WIRELESS APPLICATIONS AND DEVICES Providing Internet and World Wide Web WWW services on a wireless data network presents many challenges because most of the technology developed for the Internet has been designed for desktop and larger computers that support medium to high bandwidth connectivity over generally reliable data networks. Mobile and wireless devices are usually handheld devices and accessing the WWW presents a more constrained computing environment compared to desktop computers because of fundamental limitations of power and form factor. Mass-market handheld wireless devices tend to have less powerful CPUs .

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