name: NGC
full_form: Next Generation Core
context: After the day 1 deployment, next step in question is how NGC is introduced. As for migration from EPC, the following three roles can be considered. - NGC is evolution of EPC. - NGC encompasses EPC as a slice. - NGC replaces EPC. From operatorâs viewpoints, it has to be understood whether: a) NGC is backward compatible with EPC and so can provide the same service as EPC can. b) NGC is not backward compatible with EPC and so is designed to provide a new service and use case which cannot be done by EPC. Even after the day 1 NR deployment and the existing LTE coverage is replaced with NR, operators can reap the benefit if EPC can accommodate NR as a standalone RAT. Even though NGC is introduced, NGC might work as EPC as explained above. As such, NGC in relation to EPC has to be clarified before making a final decision on the RAN-CN interface scenarios to be standardised.
description: The Next Generation Core (NGC) is a network architecture designed to evolve or replace the Evolved Packet Core (EPC). It aims to support new services and use cases while potentially maintaining backward compatibility with EPC.
explanation: The text describes NGC as a network architecture that replaces or evolves from EPC, indicating its role within a telecommunications network infrastructure.
section_title: 14.1.2Step 2 deployment and on wards
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