Abstract
This paper describes 5G Stand Alone (SA) Core network Solution dimensioning with compliance to 3<sup>rd</sup> Generation Partnership Program (3GPP) Standards which is a norm and requirement for Digital Private Networks (DPN) evolution across the globe in the segments of Oil and Gas, Electric Utility, Transportation, Ports, Mining etc. The 5GC aimed to be dimensioned is proposed on Service Oriented Architecture (SOA) Framework, High availability (HA) & Software Defined Networks (SDN) / Network Function Virtualization (NFV) and Multi-edge computing (MEC) attributes. 5G Core (5GC) Solution dimensioned for the DPN includes all the functional, parametric, and operational requirements. In this paper we have presented the Factors considered for Dimensioning of DPN Standalone (SA) core, Integration of 5G SA Core with the important verticals of DPN i.e., MCS (Mission Critical Services), IOT (Internet of Things) and C-V2X (Cellular Vehicle to everything), VoNR (Voice over NewRadio). Also, the paper covers the 5G Core network capacity design for an Oil & Gas(O&G) Network use case with Optimized selection of relevant VNF's. Also, the paper covers the Functional Testing, Interworking and parametric load testing aspects of the VNF's (Virtual Network Fumction) along with Interworking Functions (IWF) of the SA core network. 5G Core Network (CN) for Oil and Gas is designed and dimensioned to handle the capacities of 4k to 6k Voice & Data users and a max of 10k to 15k IoT devices which includes 100 to 500 MCS users and 500 to 1000 Connected Vehicles and other application services required for O&G networks to be supported on the core network with capabilities of corresponding VNF functions on 3GPP specified relevant Core network interfaces. 5GC Solution designed meets capacity requirements at a typical O&G network with efficient Data Centre subsystems from reputed OEM like Intel, Dell, HP, Cisco for realizing the DPN SA core solution.
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