Abstract
In the evolution of mobile networks, edge computing is a key technology, which provides services with proximity to users and enables various services to be operated in a virtualized platform for mobile users. Particularly, services commonly used by multiple mobile users can be simultaneously operated at multiple edge nodes, which allows users to use the service of the closest node to their access point. However, to provide session continuity for a service when the user moves, a method for optimizing the service path along with the mobility management of the user is required. In this paper, we propose an enhanced control system using the locator/identifier separation protocol to provide service path optimization with mobility management. This was achieved by integrating the location information of the service and the session information between the service and the users. The operating cost and handoff latency were analyzed. The analysis results show that the proposed system can provide an optimal service path to mobile users through fewer message exchanges and less delay than existing approaches.
Highlights
Edge computing has brought the cloud computing infrastructure closer to users, thereby reducing service latency and unnecessary traffic to core cloud centers
Services commonly used by multiple mobile users can be simultaneously operated at multiple edge nodes, which allows users to use the service of the closest node to their access point
In a mobile network, when a user moves at a high speed and needs to continue using the edge computing services, the service latency and optimized traffic path that are initially provided cannot be guaranteed as the user moves farther away from the original edge computing node
Summary
Edge computing has brought the cloud computing infrastructure closer to users, thereby reducing service latency and unnecessary traffic to core cloud centers. The author of [17] designed architecture to collaborate service management in the edge cluster, which determines appropriate location service functions requested by the user Despite these efforts, additional operations are necessary to inform the location of a newly selected service for a mobile user's current location and to provide network connectivity to the changed location. The architecture and process of performing service discovery by assigning an ID to services are similar to [17], but our proposal focused on improvement in constructing a service path after discovery using the LISP protocol Through this integrated information of the user and service, the proposed mapping system can provide information on the newly selected edge node service to the mobile user associated with the service without additional procedures when the user’s location is updated, which enables a rapid resumption of the service session.
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