This section describes the 5G core support provided in this reference architecture.
Druid Raemis
Druid's cellular solutions for business are built on its Raemis technology platform. Raemis is a set of cellular software assets originally crafted by Druid's engineers and optimized for business use cases. The Raemis platform (shown in the following figure) harnesses 5G radios from any vendor to implement stand-alone cellular core network solutions. It also integrates with mobile network operators using standard interfaces giving access to all the radio resources of these operators.
The Raemis platform offers the following features and benefits:
Built-in REST API
Raemis components are engineered from the ground up with a built-in API. The Raemis platform facilitates exposing the internal state of the platform easily using an HTTP API based on REST principles. This API makes Druid solutions friendly to integration with external enterprise applications and enables a dynamic best-in-class user interface to Druid's solutions.
Virtualized solution
The Raemis platform builds in virtualization support for all Druid's solutions. Solutions can be delivered as virtual machines or even as containers with the Raemis integrated orchestration capabilities making it easy to deploy scalable and resilient virtualized solutions for business.
Customizable technology
Since Druid is in full possession of all the IPR and know-how in the Raemis platform, it is easy for Druid to customize the platform for particular business use cases.
5G migration path
Raemis provides an easy migration path from LTE to 5G NSA and onwards from 5G NSA to 5G SA. The same Raemis platform can be used for all these technologies, even simultaneously, with a common integration of the private cellular network to the enterprise network.
Distributed architecture
Raemis 4G and 5G supports distributed architectures, which can be deployed in cloud-native environments with central management of multiple edge sites.
Raemis Private Core Network (PCN)
PCN features include:
PCN dashboard
Easy installation and enhanced integration with enterprise LANs
5G-NSA and 5G-SA capabilities
5G URLLC
Location Management Function (LMF)
Performance and scalability (for both scale up and scale down)
Resilience and redundancy options
5G Radio Network Slicing—configuration of radio QoS and radio congestion control per network
Real-time system monitoring
5G-LAN (non-IP) communication between 5G end devices
Network slicing
Raemis Network Administrators will not notice much difference in adding 5G radio coverage to their private LTE networks. The Raemis private LTE core network has already sliced 4G into individual dedicated networks (shown in following figure) enabling separated QoS and security for specific groups of users. The 5G RAN only enhances this capability, offering additional levels of separation for QoS and security. It also offers enhanced throughput and lower latency, all with the same easy-to-use interface and a direct upgrade path from the 4G deployments to support 5G.