When Vodafone New Zealand rebranded as One New Zealand, the transition was far more than a simple corporate identity update. The organization inherited a complex infrastructure burden typical of the telecommunications sector, specifically the "2-stack challenge." This architectural dilemma involves managing a legacy estate of virtual machines (VMs) while simultaneously deploying modern, containerized applications. To resolve this friction and support its long-term digital ambitions, One NZ launched the C1 Program. This initiative aimed to build a unified, future-ready foundation by standardizing telco applications on a common platform. The strategic decision was to adopt Red Hat OpenShift Virtualization, a technology that allows organizations to run workloads in a single environment regardless of their underlying infrastructure.
Consolidating Legacy and Modern Workloads
The primary technical hurdle for One NZ was the coexistence of disparate runtime environments. Traditionally, telcos operate with a heavy reliance on virtualization for legacy systems, often running on bare metal or hypervisors like VMware. Meanwhile, the innovation pipeline relies on Kubernetes for containerized microservices. Maintaining two separate operational stacks increases complexity, raises costs, and creates silos that hinder data portability. By implementing Red Hat OpenShift Virtualization, One NZ achieved a unified control plane. This architecture enables the organization to run VMs and containers side-by-side on the same cluster. For a cloud engineer, this represents a significant reduction in operational overhead. Instead of managing separate clusters for different workload types, the team can utilize a single management interface. This consolidation is critical for scaling operations without proportionally increasing headcount.
Accelerating Business Outcomes with Standardization
Standardization is the key driver for accelerating business outcomes in a high-velocity industry like telecommunications. One NZ needed a platform that could accelerate deployment cycles without introducing vendor lock-in or fragility. Red Hat OpenShift Virtualization provides a consistent API for both VM and container workloads. This consistency allows developers to write code once and deploy it anywhere, whether the underlying resource is a physical server or a cloud instance. The technology abstracts the infrastructure layer, allowing the application team to focus on business logic rather than infrastructure provisioning. This approach aligns with the principles of Infrastructure as Code (IaC) and GitOps, where the state of the infrastructure is defined declaratively. By standardizing on this platform, One NZ can rapidly spin up new services to meet market demands, such as 5G network slicing or edge computing initiatives, without being constrained by legacy hardware limitations.
Preparing for Future-Ready Infrastructure
The C1 Program was not merely a migration project; it was a strategic pivot toward a future-ready foundation. In the context of cloud certifications, this scenario mirrors the requirements for advanced Kubernetes and OpenShift administration roles. Professionals preparing for certifications like the CKA (Certified Kubernetes Administrator) or CKS (Certified Kubernetes Security Specialist) must understand how to manage heterogeneous environments. One NZ's adoption of OpenShift Virtualization demonstrates a practical application of these concepts. It shows that modern cloud architectures do not require an immediate "lift and shift" of all legacy systems to containers. Instead, a hybrid approach allows for a gradual modernization path. This is particularly relevant for engineers studying for CKA or CKAD certifications, as it illustrates real-world constraints and solutions. The ability to run VMs within a Kubernetes cluster is a specific capability that distinguishes advanced practitioners from those who only manage pure container environments. This flexibility ensures that One NZ can migrate workloads at its own pace, reducing risk while maximizing the benefits of containerization.
What This Means For You
For cloud engineers and DevOps professionals, the One NZ case study highlights the importance of architectural flexibility. As you prepare for your own infrastructure modernization projects, consider how a unified platform can simplify operations. If you are studying for cloud certifications, look for opportunities to understand how virtualization technologies integrate with container orchestration. The industry is moving toward a model where the distinction between VMs and containers becomes less relevant to the application layer. By mastering tools like Red Hat OpenShift Virtualization, you position yourself as a versatile engineer capable of handling complex, multi-stack environments. This skill set is increasingly valuable as organizations seek to optimize their cloud spend and improve deployment velocity. Explore our Kubernetes certifications to deepen your knowledge of these critical technologies.
