AIEC-RSC: AI and Edge Collaboration Empowered Reliable Service Computing for High-Speed Mobile Businesses

With the rapid development of high-speed assistant driving and smart inspections, the edge network is required to provide quick and reliable service to avoid large service response delays and frequent re-transmissions caused by interruption. However, the reasonable service component caching, efficient edge collaboration and reliable cross-domain computation offloading are still key problems to be solved. Thus, we consider an AI and mobile edge computing (MEC) integrated service framework, which is highly reliable for high-speed mobile businesses, and we divide the service process into component caching phase and task offloading phase. In the first phase, we novelly define the edge collaborative service domain (ECSD) which allows multiple edge nodes to collaboratively share resources from a global perspective and design a user behavior aware service component pre-caching method to increase resource utilization. In the second phase, based on the formed ECSDs and cached service components, we present an AI-empowered cross-domain computation task offloading mechanism including task partition and backup to enhance the reliable service capability of edge networks. Simulation results verify that the proposed mechanism can jointly optimize the allocation of caching, computation, and communication resources, while improving the service response speed and resource utility of edge networks.

I Introduction

With the development of artificial intelligence, augmented reality, virtual reality, and 5G, the demand for bandwidth and computing efficiency of the hosted network is gradually increasing. Among them, delay-sensitive and computation-intensive businesses such as assistant driving need to extract driving trajectory in real time, and quickly and accurately complete traffic situation judgment, prediction, and adaptive signal control. Furthermore, it needs to maintain low delay and high reliable communication links during user's travel. However, centralized cloud processing schemes will cause large transmission delay and computing pressure. Thus, the integration of mobile edge computing (MEC) and 5G has become a hot topic in the academia and industry, while the efficiency of edge collaboration and the reliability of cross-domain service are still key problems to be solved.