OpenNebula: 5G Workload Portability Across Kubernetes Distributions

Name: OpenNebula: 5G Workload Portability Across Kubernetes Distributions
Uploaded: 2026-07-01T15:45:36-04:00
Duration: 5 min 26 s
Description: In this screencast, we demonstrate the seamless portability of 5G workloads across heterogeneous Edge Nodes. We show how a standardized private 5G environment can be reliably instantiated across different edge locations, even when those sites run diffe...

Open Nebula

07/01/2026

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screencast. In the screencast we will demonstrate the seamless portability of 5G workloads across heterogeneous edge nodes. We will show how a standardized private 5G environment can be instantiated reliably over different edge locations even when they're running different Kubernetes distributions. The primary challenge we are addressing is ensuring that complex 5G workloads can be seamlessly ported and distributed across various edge nodes with minimal service interruption. To solve this we're utilizing the silver compliance stack using OpenNebula as the infrastructure provider to automate the zero touch provisioning of the specialized nodes. This allows us to abstract the underlying hardware and orchestrate the environment efficiently. Let's look at the setup for this demonstration. At the infrastructure layer OpenNebula handles the management of the virtual infrastructure. Above that at the platform layer we will automatically provision two distributed silver workload clusters. To prove true portability the cluster will run different Kubernetes flavors. One will use RKE2 and the other will use CKHS. Finally at the network function layer we will deploy the 5G workload. In this case we will use Open5.js and UARUN-SIM as an example of a 5G private network. In this demonstration you will see the automated provisioning of these two distinct Kubernetes clusters. Once the infrastructure is ready we will deploy the Open5.js private network workload on top of both the RKE2 and CKHS clusters. This setup will clearly illustrate how users can achieve a highly portable and distributed deployment of 5G edge nodes ensuring that the 5G workloads operate flawlessly across different environments. Let's switch to the live environment. We start with the management cluster based on RKE2 which has just come online. Here we can see the cluster API resources that were presented including the one cluster and one machines object along with the cluster nodes themselves. In parallel the corresponding virtual machines are visible in the OpenNebula interface. Next we initiate the deployment of a new RKE2 workload cluster. Once provisioning is complete we return to the management cluster to inspect the newly created resources. Both the management and workload cluster objects are visible as well as the virtual machines backing the new cluster. We then repeat the same procedure to deploy a second workload cluster this time using canonical Kubernetes. Again the cluster API resources and underlying virtual machines confirm that the cluster has been successfully provisioned. With both workload clusters ready we connect to the RKE2 workload cluster to deploy Open5.js and Vue.Run.Sim. The Open5.js Helm chart has been adapted off-camera to simplify direct deployment. We begin by deploying the 5G core. The pods start spinning up until they reach a running state. Once the core is fully operational we deploy Vue.Run.Sim. After confirming that all components are running we validate Vue.Run.Sim connectivity by accessing the Vue.Run.Sim pod and checking connectivity through one of its tunnel interfaces. Finally, repeat the same deployment and validation process on the canonical cluster. you you At this point we have effectively demonstrated the portable deployment of a 5G private network across different Kubernetes distributions. For more details on the Open5.js and Vue.Run.Sim steps you can refer to the guide that's published on GitHub. This screencast was developed in the scope of Ipsi's SIS project. Thank you for watching and see you in the next screencast.

TL;DR

OpenNebula enables seamless deployment of private 5G networks across heterogeneous edge nodes running different Kubernetes distributions (RKE2 and Canonical Kubernetes).
The demonstration uses the Silver compliance stack with cluster API resources to automate zero-touch provisioning and abstract underlying infrastructure differences.
Open5GS and UERANSIM are successfully deployed and validated on both Kubernetes flavors, proving true workload portability with minimal service interruption.

Summary

This technical demonstration showcases OpenNebula's capability to deploy and manage private 5G network workloads across heterogeneous edge infrastructure running different Kubernetes distributions. The screencast addresses a critical challenge in edge computing: ensuring complex 5G workloads can be seamlessly ported across various edge nodes with minimal service interruption. Using the Silver compliance stack with OpenNebula as the infrastructure provider, the demonstration provisions two distinct Kubernetes clusters—one running RKE2 and another running Canonical Kubernetes (CKHS)—and successfully deploys Open5GS and UERANSIM as a private 5G network on both platforms. The approach leverages cluster API resources and zero-touch provisioning to abstract underlying hardware differences, enabling true workload portability. By validating connectivity through UERANSIM tunnel interfaces on both clusters, the demonstration proves that standardized 5G environments can be reliably instantiated across different edge locations regardless of the underlying Kubernetes flavor, providing operators with deployment flexibility and reducing vendor lock-in concerns.

Chapters

0:00 - Introduction and Challenge Overview
0:46 - Architecture and Setup Explanation
1:45 - Management Cluster Deployment
2:10 - RKE2 Workload Cluster Provisioning
2:32 - Canonical Kubernetes Cluster Deployment
2:52 - Open5GS and UERANSIM on RKE2
3:44 - Open5GS and UERANSIM on Canonical
5:03 - Summary and Project Context

Key Quotes

0:19 "The primary challenge we are addressing is ensuring that complex 5G workloads can be seamlessly ported and distributed across various edge nodes with minimal service interruption."
0:31 "To solve this we're utilizing the silver compliance stack using OpenNebula as the infrastructure provider to automate the zero touch provisioning of the specialized nodes."
0:55 "To prove true portability the cluster will run different Kubernetes flavors. One will use RKE2 and the other will use CKHS."

FAQ

What Kubernetes distributions are supported for 5G workload deployment?

The demonstration shows successful deployment on RKE2 and Canonical Kubernetes (CKHS), proving that OpenNebula's approach works across different Kubernetes flavors. The Silver compliance stack and cluster API abstraction enable support for multiple distributions without workload modification.

How does OpenNebula ensure minimal service interruption during workload portability?

OpenNebula uses the Silver compliance stack to automate zero-touch provisioning and abstract underlying hardware differences. The cluster API resources manage infrastructure consistently across edge locations, enabling reliable instantiation of standardized 5G environments regardless of the underlying Kubernetes distribution.

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