TIP/ Telefonica presents blueprint for private 5G networks

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The TIP 5G Private Networks solution group paves the way to transforming the economics of private networks and presents a blueprint

Private 5G networks are on the rise, but many implementations today are custom projects that are expensive to implement and maintain. The TIP 5G Private Networks solutions group, chaired by Telefonica, recently completed an experiment showing how technological innovation can significantly transform the economics of private networks.

Using a computer vision application as a driving use case, the group combined private 5G with edge computing for service components with stringent requirements – ie video processing and the User Plane Function (UPF) – while leveraging the efficiencies of a central cloud. where possible.

The TIP solutions group demonstrated a set of levers to blueprint a more cost-effective and scalable private 5G solution.


Cloud-native platform for edge and public cloud

The solution uses a cloud-native platform that supports virtualized and containerized network functions and spans the customer’s premises at the edge and in the cloud, creating a hybrid cloud.

Rakuten Symphony (formerly Robin.io) deployed its SymworldTM Orchestrator (formerly Multi Data Center Automation Platform (MDCAP)) and SymworldTM Cloud Native Platform (CNP) components for multi-cluster deployments in the cloud and at the edge. Orchestrator manages the deployment of the Kubernetes cluster on the bare metal servers at the edge, as well as the deployment of both the Mobile Core UPF feature and the Computer Vision application. CNP also performs lifecycle management for the Kubernetes clusters on both the edge and cloud servers.

Open source automation toolchain

The solution uses an open-source automation toolchain that supports workflows for installing, configuring, testing and going live of software components and infrastructure.

Tech Mahindra integrated industry-standard open source tools into workflows orchestrating the component repositories, cloud and edge platforms, and test devices. The workflow engine integrates the deployment and test platform management services, handles activities such as artifact management, release management, service orchestration, and test and log management, and automates use cases such as operating system and cluster onboarding and network function onboarding and updating.

Open source, disaggregated 5G NSA core

The solution uses an open-source, disaggregated 5G NSA core that supports the separation of control plane and user plane functions across cloud and edge (CUPS).

NTT Data integrated the Open Networking Foundation’s OMEC core into the hybrid edge/cloud architecture and validated the integration. This required the creation of a comprehensive core mobile test plan adapted to private 5G networks and the development of scripts for the different scenarios that would trigger tests within the Spirent test suite under the control of the automation workflow and validate the test results.

The architecture and components of the study have been combined into a design suitable for replication in other scenarios. The blueprint was developed to address a set of needs for cost-effective and automated deployment of private network services:

– On-premises computing power, storage and routing to enable applications that require low latency, high bandwidth, location accuracy and/or data sovereignty through full control, privacy and ownership of the data.

– Public cloud-agnostic computing for service components with less stringent requirements to leverage public cloud efficiencies.

– Automated software lifecycle management from delivery to operation. This eliminates on-site manual intervention, which is typically one of the most significant sources of expense for dedicated private networks. Once a solution is deployed, it also automates the release management of each individual service component.

– Centralized management platform to provide a single management portal for all distributed customer sites.

– HW-SW disaggregation with transparent, optimized license fees and device costs through the appropriate use of open-source software and commodity-off-the-shelf (COTS) hardware.

– Reproducibility of the solution with exactly the same functions and features for several customers.

TIP participants can learn more about the blueprint by subscribing to the 5G Private Networks solutions group on TIP’s Confluence site.

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Vivek Tiwary, Head of Global Delivery, Network Services at Tech Mahindra
Cost-effective large-scale deployment of private 5G networks requires a comprehensive, automated approach to lifecycle management. Our expertise in network automation and toolchain integration helped bring the solution to life.

Subha Shrinivasan, VP Customer Success, Unified Cloud BU, Rakuten Symphony
We are pleased that the SymworldTM Cloud Platform was an integral part of the TIP 5G Private Network solution concept to demonstrate a highly efficient and automated cloud-native deployment, lifecycle management and orchestration solution enabling private 5G deployment and management for transformed the Edge.

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