A Generic High-Availability Solution to Next-Generation Mobile Core Networks
2023 2nd International Conference on 6G Networking (6GNet)(2023)
摘要
In addition to functional considerations, commercial core networks must also consider scalability and availability. If the core network encounters a single node or network function failure during the serving period, it must overcome the software or hardware problems and maintain a stable service. For fifth-generation (5G) and beyond core networks, network function virtualization enables scalability and flexibility for deployment, and 5G and beyond core network design follows the concept of service-oriented architecture, similar to cloud-native microservice architecture; hence, the deployment of core networks using a cloud-native solution (e.g., Kubernetes) is possible. To achieve high availability (HA) for cloud-native-based core networks, we design GO-CPSV, a generic HA solution based on the open-source OpenSAF project. GO-CPSV introduces new elements to enhance the affinity with cloud-native deployment, including life-cycle hooks, concurrent enhancement, and multiple storage providers. We then implement HA-UDR based on the Unified Data Repository (UDR) network function of the open-source free5GC core network to validate our design.
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关键词
Cloud-native,core networks,high avail-ability (HA),OpenSAF,free5GC
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