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Research on 5G Microservices Capability Open Architecture and Deterministic Bearing Technology

The flexible and open architecture of 5G networks needs to accommodate a variety of services. Therefore, the micro service 5G capability open architecture launched by the current industry requires to establish the technical route of integration with the industrial Internet, and further requires to solve the adaptability problem between the packet scheduling mechanism of UPF on the 5G user plane and the deterministic bearing of the industrial Internet. To this end, this paper firstly defines the open model of 5G micro-service capability by using the object-oriented modeling method of industrial Internet, namely: according to IEC61850, common services such as clock and location inside 5G network are defined as public data class, thus constituting microservices open to AMF and SMF inside 5G and VNF calls outside 5G, which improves the reuse and consistency of 5G services. Secondly, the pseudo time synchronization flow scheduling algorithm of UPF is proposed to realize the matching between the “time” deterministic service of industrial Internet and the “asynchronous” packet scheduling carried by UPF switches, which ensures the deterministic and smooth service bearer of industrial Internet. The simulation experiment shows that the proposed algorithm can improve the time accuracy of 5G business, and improve the time, punctuality and coordination of user plane bearing under the micro service 5G capability open architecture.