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Can SUSE’s Open Virtualization Strategy Offer Customers a True Post-VMware Path?
By expanding certifications and ecosystem reach, SUSE is giving enterprises an operationally familiar, open-source route to modernize virtualization and data platforms without vendor lock-in.
Key Highlights:
SUSE introduced the Advanced Networking Preview for SUSE Virtualization, built on Kube-OVN to enable micro-segmentation, overlay networking, and software-defined switching for VM and container workloads.
The platform now integrates Prometheus and OpenTelemetry to provide unified observability and telemetry across hybrid virtual and containerized networks.
SUSE broadened its certified storage ecosystem through CSI support across Dell Technologies, HPE Alletra MP, NetApp, Oracle, Lenovo ONTAP, and Portworx by Pure Storage, ensuring compatibility with existing enterprise environments.
The SUSE Certified Storage for Virtualization program formalizes partner validation to ensure enterprise-grade integration for core requirements like live migration and snapshot management.
The News
SUSE outlined the next phase of its virtualization strategy with the Advanced Networking Preview for SUSE Virtualization. The feature set, powered by Kube-OVN, brings micro-segmentation, overlay (VXLAN) networking, and software-defined virtual switching to environments that blend virtual machines and containers. These capabilities are designed to deliver enterprise-grade network segmentation and traffic control while preserving the automation and simplicity of a Kubernetes-native framework.
SUSE also introduced new observability and telemetry integrations as part of the same networking stack. Built-in support for Prometheus and OpenTelemetry enables administrators to capture granular network metrics, visualize overlay traffic flows, and correlate latency or packet-loss events across virtual and containerized workloads. This observability layer extends SUSE’s broader effort to give customers a unified operational view across Harvester, Rancher, and Kubernetes, connecting what happens inside Kube-OVN to higher-level dashboards for diagnostics and policy verification.
SUSE highlighted an expanded storage ecosystem. Its virtualization stack now supports external Container Storage Interface (CSI) drivers across a broad set of certified platforms including Dell Technologies, Hitachi, HPE Alletra MP, Lenovo ONTAP, NetApp, Oracle, and Portworx by Pure Storage. Read more in SuSE’s blog.
Analyst Take
In our view, SUSE’s announcement represents a strategic, measured step forward. The company is positioning itself as a bridge between traditional virtualization and modern Kubernetes operations. Many enterprises still depend on VM-based environments but want a path to AI-driven and container-native architectures without disruption or starting from scratch. SUSE is offering a path through open standards, ecosystem partnerships, and consistent management tools.
The new networking layer built on Kube-OVN is especially important. Networking and security have often been a key barrier to blending VM and container workloads. By introducing micro-segmentation, overlay networking, and software-defined switching, SUSE is helping to close that gap with a Kubernetes-native solution. The addition of integrated observability and telemetry further strengthens the platform’s enterprise readiness. By embedding Prometheus and OpenTelemetry support directly into the network control plane, administrators gain visibility across hybrid workloads, making it possible to diagnose network issues, validate policies, and optimize performance without depending on external monitoring tools.
For enterprises accustomed to NSX or ACI-style network monitoring, these capabilities represent a meaningful step toward comparable visibility within an open-source architecture. We believe SUSE understands that observability is deeply tied to trust in production networks.
The expanded storage certification ecosystem adds further credibility in our opinion. Storage is often the most difficult layer to modernize, especially when data residency, governance, or AI training pipelines are involved. By validating leading platforms including Dell Technologies, Hitachi, HPE Alletra MP, Lenovo ONTAP, NetApp, Oracle, and Portworx by Pure Storage under its certification program, SUSE should help reduce the risk for customers who want to adopt SUSE Virtualization while keeping their existing infrastructure investments.
The SUSE Certified Storage for Virtualization program provides a standardized process for partners to validate their platforms for use with SUSE Virtualization, covering requirements such as live migration, snapshot management, and multi-volume support. Together, we believe these steps reinforce SUSE’s goal of providing a fully open, enterprise-ready alternative to proprietary virtualization stacks while preserving the storage and networking integration that enterprises expect.
The competitive landscape remains formidable. VMware by Broadcom, Red Hat, and Nutanix retain strong mind-share and deep enterprise footprints. For SUSE, execution will be everything: demonstrating scalable performance, mature tooling, and reference deployments will determine how quickly it can convert momentum into market share.
What Was Announced
SUSE introduced a series of enhancements that clarify its position in enterprise virtualization. The centerpiece is the Advanced Networking Preview for SUSE Virtualization, built on Kube-OVN to deliver micro-segmentation, overlay (VXLAN) networking, and software-defined virtual switching that unify connectivity across VM and container workloads. This extension of open-source networking into the virtualization stack brings fine-grained policy control and visibility comparable to commercial SDN systems.
SUSE also expanded its networking observability framework with integrated Prometheus and OpenTelemetry support. Administrators can now monitor real-time network metrics, trace overlay flows, and visualize performance data within Rancher and Harvester dashboards. These tools address a long-standing enterprise requirement: comprehensive visibility into hybrid network behavior without adding third-party complexity.
On the storage side, SUSE expanded its integration framework through CSI drivers and an extended list of certified platforms. These validations confirm that SUSE Virtualization can operate seamlessly with enterprise storage systems already in use across global data centers. At the foundation of this effort is the SUSE Certified Storage for Virtualization program, which codifies a testing process for live migration, snapshot management, and multi-volume operations. Together, these additions create an interoperable and open platform that offers a credible alternative to proprietary virtualization stacks.
Looking Ahead
SUSE’s announcements at KubeCon reflect a company taking a more visible and assertive role in enterprise virtualization as customers reassess their options in a post-VMware landscape. For much of the past decade, SUSE has been known for its open-source leadership in Linux, Kubernetes, and edge computing yet often remained behind the scenes of virtualization decisions dominated by VMware and Red Hat. That dynamic is beginning to change. With the Advanced Networking Preview, a maturing storage certification program, and the integration of Harvester, Rancher, and Kubernetes into a single control plane, SUSE is positioning itself as an open, enterprise-ready alternative for organizations that want continuity and choice as the market diversifies beyond VMware.
The immediate test will be production readiness and maturity. Since the networking features remain in preview, customers will expect mature tooling, comprehensive SLAs, and deep observability before moving critical workloads.
SUSE’s early integration of telemetry tools addresses the requirements of reliability and visibility in production networks. Performance and scalability will also be closely watched. Operating VMs and containers within a unified control plane introduces new complexities around latency and compliance. In our opinion, SUSE will need to demonstrate consistent performance under load and provide clear operational guidance for managing hybrid deployments across data centers and clouds.
SUSE’s broader partner ecosystem is another strength. The company’s certification framework and growing network of validated storage and infrastructure partners help reduce risk for enterprises that want stability while modernizing. This ecosystem approach also aligns with the storage industry’s own evolution toward hybrid and AI-driven data services. Vendors are standardizing on CSI-based data services that make snapshots, replication, and cyber recovery behave consistently across on-premises and cloud. By validating these solutions under a common SUSE framework, the company gives partners a credible non-VMware landing zone and customers a simpler way to run data-intensive and GPU-accelerated workloads on existing infrastructure.
Migration tooling also will be a decisive factor. Organizations leaving VMware or Hyper-V will expect clear processes for policy translation and workload transfer. SUSE has acknowledged this need and will likely need to expand tooling and documentation to support these scenarios.
Over the next 12 months, we believe SUSE can improve its overall competitiveness and ecosystem influence by aggressively marketing the platform as the only fully open-source, unified management plane for VMs and containers to capture the large wave of enterprises fleeing Broadcom's costly and restrictive VMware licensing changes, emphasizing the NSX-like microsegmentation as a zero-cost replacement for a major proprietary feature.
Moreover, immediately integrating the SUSE Virtualization platform with the newly announced SUSE AI stack (including the Rancher AI Assistant, Liz), specifically showcasing how developers can use the combined platform to spin up GPU-enabled KubeVirt VMs alongside containerized MLOps tools, positioning the unified platform as the AI-ready infrastructure layer built for the future of enterprise workloads. SUSE needs to rapidly expand and publicly validate the partner ecosystem, especially for the advanced networking and storage features, to move beyond the existing list of CSI partners (Dell, NetApp, etc.), ensuring ISV application certifications are highly visible, which builds enterprise trust and demonstrates the platform's readiness for mission-critical, large-scale hybrid cloud deployments.
In our view, SUSE’s strategy is evolving from enablement to leadership. Its commitment to open standards and partnership momentum is making it a serious contender for enterprises planning their next-generation virtualization stack. The coming year will reveal how effectively SUSE can translate its open vision into sustained enterprise adoption.
Ron Westfall | VP and Practice Leader for Infrastructure and Networking
Ron Westfall is a prominent analyst figure in technology and business transformation. Recognized as a Top 20 Analyst by AR Insights and a Tech Target contributor, his insights are featured in major media such as CNBC, Schwab Network, and NMG Media.
His expertise covers transformative fields such as Hybrid Cloud, AI Networking, Security Infrastructure, Edge Cloud Computing, Wireline/Wireless Connectivity, and 5G-IoT. Ron bridges the gap between C-suite strategic goals and the practical needs of end users and partners, driving technology ROI for leading organizations.
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Don Gentile | Analyst-in-Residence -- Storage & Data Resiliency
Don Gentile brings three decades of experience turning complex enterprise technologies into clear, differentiated narratives that drive competitive relevance and market leadership. He has helped shape iconic infrastructure platforms including IBM z16 and z17 mainframes, HPE ProLiant servers, and HPE GreenLake — guiding strategies that connect technology innovation with customer needs and fast-moving market dynamics.
His current focus spans flash storage, storage area networking, hyperconverged infrastructure (HCI), software-defined storage (SDS), hybrid cloud storage, Ceph/open source, cyber resiliency, and emerging models for integrating AI workloads across storage and compute. By applying deep knowledge of infrastructure technologies with proven skills in positioning, content strategy, and thought leadership, Don helps vendors sharpen their story, differentiate their offerings, and achieve stronger competitive standing across business, media, and technical audiences.