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Wireless application protocol (WAP) is being heralded as the standard for communication of mobile Internet services to smart phone and personal digital assistant devices. The protocol utilises the low bandwidth, short battery power, quality of service and limited display facilities which are characteristic of current types of mobile device. This paper will examine the WAP architecture and the drivers and issues surrounding the development of services for this environment including the requirements for addressing, quality of service, security, billing, interoperability and performance engineering.

This paper examines the importance of mobility portal services and the technologies that will be essential in delivering content over next generation network technologies. Finally, proposed developments are discussed which will extend the functionality available at the mobile portal through the improvements in terminal capability and development of protocols for delivery of content over a mobile network.