Technical Resources & Cloud Architecture

In-depth architecture blueprints, migration frameworks, and operational playbooks for platform engineers and IT architects running managed Kubernetes, PostgreSQL, and private cloud on their own infrastructure.

Featured Guide • 9 min read

VMware alternatives: how to shortlist a replacement for vSphere

The four routes teams actually take out of VMware, what a hypervisor swap leaves you to rebuild, and the five questions that decide between them. Written to be read before you talk to any vendor, including us.

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# Four routes, honestly compared
Hypervisor only → Proxmox, XCP-ng, Hyper-V, AHV
Kubernetes-centric → OpenShift Virtualization
Open infra + managed layer → OpenStack
Rehost → public cloud
// The hypervisor was never the expensive part
OpenStack 7 min read

Adding self-service to an OpenStack you already run

The five capabilities a self-service layer has to add on top of OpenStack, how tenancy and managed services fit an existing deployment, and the honest build-or-buy arithmetic.

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Migration 5 min read

vSphere & Tanzu Migration Playbook

Step-by-step technical architecture for migrating ESXi virtual machines, disk images, and Tanzu workloads to OpenStack with Day-2 desired-state automation.

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Sovereignty 4 min read

Sovereign Cloud Architecture for EU NIS2 & DORA Compliance

How to design disconnected private cloud environments that help address strict European regulatory compliance and data residency.

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Kubernetes 8 min read

Kubernetes on OpenStack: architecture and day-2 operations

The components you assemble (cloud controller manager, Cinder CSI, CNI, Octavia), the three provisioning routes, and what upgrades cost per cluster.

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Kubernetes 3 min read

Hosted Control Planes (HCP) vs Dedicated Control Planes

Comparing infrastructure density, blast radius isolation, and operational overhead when provisioning production Kubernetes clusters at scale.

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Platform 3 min read

OpenShift vs Standard CNCF Kubernetes on OpenStack

Architectural and TCO breakdown between specialized per-core Kubernetes distributions and standard upstream clusters managed through a unified API.

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Databases 8 min read

Databases on OpenStack: DBaaS architecture and the alternatives

What OpenStack gives you for databases and what it does not, the shape of Trove, and the three routes to PostgreSQL as a service.

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Identity & tenancy 8 min read

Users, projects, roles and quotas in OpenStack

Keystone's identity model, role scopes and policy, how quotas work per service and under unified limits, and where both stop short.

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Databases 3 min read

Private Cloud DBaaS: Running High-Availability PostgreSQL

Architecting on-premises database automation with automated clustering, replica reconciliation, and storage quotas on your own infrastructure.

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Architect your private cloud with our engineers

Review your infrastructure estate, sizing parameters, and migration timeline with engineers who build and operate OpenStack control planes daily.