Abstract
With the speeding-up on Internet and high maturity of Internet of Things (IoT) development, there are many kinds of composite digital services has been sprung up like mushrooms such as smart home, smart city, smart health care and etc. In recent years, the Intelligent Transportation System (ITS) has been more and more popular in transportation industry. ITS provides immediate traffic information for vehicles location tracking, vehicle dispatching, also can be used on taxi management and police cars, fire trucks, ambulance dispatching when serious accidents occur. On quality assurance, ITS involves many kinds of Information and Communication Technology (ICT) devices and services. Different services and devices have their own Operation Support System (OSS) and it is hard to exchange information. Therefore, our research proposes a framework to integrate end-to-end quality assurance information based on Digital Service Reference Architecture (DSRA) supported by TM Forum. Our framework manages all sub-systems of ITS such as Mobile virtual private network(VPN), fixed-line VPN, ITS car devices, dispatching service platform, etc. It made root cause analysis consuming time less than 10 minutem. and can improve time to market and quality assurance for ICT composite digital service.
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