1. INTRODUCTION
The intelligent network (IN) is an architectural concept that enables the real time execution of network services and customer applications in a distributed environment consisting of interconnected computers and switching systems. Beginning in the early 1980â„¢s, the IN was applied to the development of new services in wireline telephone networks. Notable successes were achieved in the United States long distance telephone industry and virtual private network (VPN) services contributed strongly to growth in traffic and revenue.
Wireless service providers are challenging equipment vendors to help them meet the rigorous demands placed on them from subscribers insisting on more functionality. Not only are subscribers insisting on more functionality, not only are subscriber bases growing at tremendous rate, but as subscribers become increasingly accustomed to using wireless phones, they are becoming more mobile and requiring more services. Expectations for services have gone beyond the need for emergency assistance; people require the same functionality that they are using on their landline phones. The wireless intelligent network (WIN) paradigm is the key to helping service providers offer new enhanced services, but equipment vendors have not been able to keep up with requests for new triggers and protocols that the market demands in order to provide enhanced services. To address the urgency for quicker time to market and ubiquitous service offerings, alternative means of providing enhanced services must be deployed while waiting for the standards to finalize and for equipment vendors to catch up. As the market places pressure on the WIN architecture to improve time to market requirements, many critical decisions will be made.
As we know that the wireless market is becoming increasingly competitive, rapid development of enhanced services become critical to a successful wireless strategy. Rapid creation and deployment of services has become the hallmark of a wireline network based on IN concepts. The WIN will bring those same successful strategies into the wireless networks.
IN based services are expected to give network operators new streams of revenue and to give end users a range of attractive communication options.
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