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Articles from stack8s on sovereign AI, hybrid cloud architecture, and practical GPU economics.

11 Mar 20268 min read

H100 SXM5 vs H100 PCIe vs H100 NVL: real differences and best use cases

If you're pricing an AI cluster in March 2026, the names can feel like a trap. H100 SXM5, H100 PCIe, and H100 NVL all say "H100", so they must behave the same, right? In practice, the module, power limit, memory bandwidth, and GPU-to-GPU links change what you can build, how fast it trains, and how much the rack costs to run. This guide keeps it practical for DevOps, CTOs, CFOs, cloud users, AI analytics teams, and researchers. You'll see what stays the same (Hopper features), what changes (pack

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10 Mar 20269 min read

OpenClaw in the Enterprise: What's Behind the Stir, and What It's For Beyond a Personal Assistant

New GPUs land every quarter. Another CLI appears. Then someone suggests a new "standard stack", and your team's week disappears into setup work. That's why OpenClaw is getting so much attention in 2026. It isn't another chatbot tab. It's an open-source agent you can run on your own machine or a server, and it can take actions, not just answer questions. In practice, it can read a message in Slack, run an approved command, pull a report from an API, store an artefact, then post the result back w

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02 Mar 20265 min read

Addressing Sovereignty with the stack8s Unified Control Plane

If you can't choose where a workload runs, do you really control it? That's the heart of sovereignty, and it's now a live issue for more than security teams. DevOps leads, CTOs, CFOs, researchers and AI teams all face the same problem. Data, models and apps now sit across public clouds, edge sites and on-prem systems. That brings speed, but it also brings legal exposure, rising spend and weaker control. stack8s Unified Control Plane offers a practical middle path. It gives teams one way to man

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03 Dec 202519 min read

The Sovereign Cloud-Native Blueprint: Architecting a Vendor-Agnostic, Kubernetes-Based AI and Compute Platform

Sovereign Cloud Blueprint Kubernetes and AI0:00/308.361× The Strategic Mandate for Sovereign AI & Compute 1.1 The Decoupling Imperative The global digital economy is increasingly reliant on advanced compute resources, particularly for emerging workloads like Artificial Intelligence (AI). This reliance has driven organizations toward centralized hyperscaler cloud providers, inadvertently creating significant strategic vulnerabilities. The present architectural imperative is defined by the ne

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21 Aug 20253 min read

Bridging HPC and AI/ML: Integrating Slurm with MLOps Platforms

The Convergence Challenge Over the past decade, enterprises have invested heavily in High Performance Computing (HPC) infrastructure to tackle complex scientific problems. These organizations have built sophisticated systems using Slurm to schedule massively parallel jobs across large clusters equipped with accelerated hardware. Now, as AI/ML workloads demand similar computational resources for deep learning model training, enterprises are seeking ways to leverage their existing HPC investments

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25 May 20257 min read

stack8s - Research Institution Edition: A Modern Alternative to Traditional HPC Platforms

Executive Summary Research institutions can leverage Stack8s as a modern alternative to traditional High-Performance Computing platforms by utilizing its distributed Kubernetes infrastructure to support computational research workloads. The platform's global network fabric and cloud-native architecture offer compelling advantages over conventional HPC systems while addressing common limitations in academic computing environments. Putting things into Perspective - Tip of the Iceberg Here is t

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15 May 20256 min read

Choosing the Right HPC Platform: Stack8s vs OpenHPC vs Apptainer

Feature / CapabilityOpenHPCApptainer (Singularity)Stack8sTypeHPC OS toolkit / packaging stackHPC-native container runtimeCloud-native platform built on Kubernetes + HPCPrimary Use CaseDeploy and manage Linux HPC clustersReproducible containerized researchRun modern AI/ML, DBs, and tools across HPC & cloudEase of Setup❌ Complex, manual, sysadmin-heavy✅ Easy for users, no root needed✅ Managed platform - UI, CLI, and API accessUser Experience🟡 CLI, low-level sysadmin UX🟡 CLI-based, script-hea

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12 May 20256 min read

Enterprise HPC in the Age of Cloud-Native Computing

This is an Example case study of Research Institutes - many enterprises are following suit by investing in their own on-premises infrastructure, avoiding public cloud for data sovereignty, cost control, and to prevent vendor lock-in. As organizations seek to democratize cloud capabilities, the market is shifting toward hybrid and private cloud models that blend the best of both worlds, offering flexibility, security, and significant cost benefits. National Investment in Private HPC Infrastructu

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09 May 20256 min read

stack8s: Your First Python Serverless Function on Kubernetes: A Multi-Framework Guide (Knative, OpenFaaS, Nuclio & Fission)

General Assumptions: * You have a Kubernetes cluster running on stack8s. * The respective serverless engine (Knative, OpenFaaS, Nuclio, Fission) is installed on your cluster. * You have the CLI for the respective engine installed locally (kn, faas-cli, nuctl, fission). * We'll assume an Ingress controller (like Nginx, Traefik, or the one bundled with the serverless engine like Kourier for Knative) is set up to expose services externally. If not, you might use NodePort or LoadBalancer servic

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