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Experimental Demonstration of Live Migration Impact on Virtualized 5G Network using Federated Testbeds

This demo focuses on live migration of the virtualized network functions (VNFs) in the Cloud-native radio access network (C-RAN) architecture. In C-RAN, the next-generation NodeB (gNB) is split into a radio unit (RU), a distributed unit (DU), and a central unit (CU). The CUs are connected to 5G core, and these functions are likely to be virtualized and distributed in different (micro and macro) data centers of mobile operators. Thus, a failure of VNF, supporting the connectivity among the aforementioned elements, shall be quickly identified and recovered.The demo shows the impact of virtualization technologies on live migration of RAN and Core VNFs among cloud data centers and can be used to measure the user service downtime.