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5G is set to cater both to a myriad of new services (such as AR/VR, Mobile Edge Computing) and to traditional services (such as Voice, Data, and SMS). An inefficient charging system would be the bane of a network meant for an ever-escalating number of transactions. Currently, we are using a real-time cost calculator called Viettel Online Charging System, or vOCS for short, to track telecommunication service usage. The current version, vOCS 3.0, is running on bare-metal servers without enhanced network solutions such as Calico and SR-IOV. In addition, another version deployed in the form of virtual machines in 2020, vOCS DR, works simultaneously with vOCS 3.0. The performance required of 5G has rendered our current bare-metal deployment glaringly unfit. In fact, the next version, vOCS 4.0 for 5G, calls for a much-needed cloud migration.
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IEEE/ICACT20220041 Slide.07
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