WIRELESS APPLICATION PROTOCOL

	Why WAP necessary	WAP Specification
WAP Solution Benifits	WAP Sescurity	WAP Architecture

With the advent of e-commerce and e-banking, the Internet has changed the way many people purchase goods and manage their finances. Online trading, banking and shopping are available today to millions of Internet users. These services are now emerging on the wireless internet, allowing subscribers to access bank accounts, trade stocks and purchase goods right from the screen of their wireless phone. This new avenue onto the internet has been made possible in large part by the Wireless Application Protocol (WAP).

According to Strategy Analytics, there will be over 525 million WAP-enabled handsets in the marketplace by the year 2003. The Wireless Application Protocol (WAP) is an open, global specification that empowers mobile users with wireless devices to easily access and interact with information and services instantly. To enable easy fast delivery of relevant information and services to mobile users. Handheld digital wireless devices such as mobile phones pagers, two-way radios, smartphones and communicators -- from low-end to high-end. WAP is designed to work with most wireless networks such as CDPD, CDMA, GSM, PDC, PHS, TDMA, FLEX, ReFLEX, iDEN, TETRA, DECT, DataTAC, Mobitex. WAP is a communications protocol and application environment. It can be built on any operating system including PalmOS, EPOC, Windows CE, FLEXOS, OS/9, JavaOS etc. It provides service interoperability even between different device families. WAP is positioned at the convergence of two rapidly evolving network technologies, wireless data and the Internet. Both the wireless data market and the Internet are growing very quickly and are continuously reaching new customers. The explosive growth of the Internet has fuelled the creation of new and exciting information services.

Most of the technology developed for the Internet has been designed for desktop and larger computers and medium to high bandwidth, generally reliable data networks. Mass-market, hand-held wireless devices present a more constrained computing environment compared to desktop computers. Because of fundamental limitations of power and form-factor, mass-market handheld devices tend to have: Less powerful CPUs, Less memory (ROM and RAM), Restricted power consumption, Smaller displays, and Different input devices (eg, a phone keypad). Similarly, 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, More latency, Less connection stability, and Less predictable availability. Mobile networks are growing in complexity and the cost of all aspects for provisioning of more value added services is increasing. In order to meet the requirements of mobile network operators, solutions must be: Interoperable -terminals from different manufacturers communicate with services in the mobile network; Scaleable - mobile network operators are able to scale services to customer needs; Efficient - provides quality of service suited to the behaviour and characteristics of the mobile network; Reliable - provides a consistent and predictable platform for deploying services; and Secure - enables services to be extended over potentially unprotected mobile networks while still preserving the integrity of user data; protects the devices and services from security problems such as denial of service. Many of the current mobile networks include advanced services that can be offered to end-users. Mobile network operators strive to provide advanced services in a useable and attractive way in order to promote increased usage of the mobile network services and to decrease the turnover rate of subscribers. Standard features, like call control, can be enhanced by using WAP technology to provide customised user interfaces. For example, services such as call forwarding may provide a user interface that prompts the user to make a choice between accepting a call, forwarding to another person, forwarding it to voice mail, etc. The WAP specifications address mobile network characteristics and operator needs by adapting existing network technology to the special requirements of mass-market, hand-held wireless data devices and by introducing new technology where appropriate.

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