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OpenStack

OpenStack

Open source cloud computing infrastructure software for building private and public clouds.

Our Verdict

Best for

Enterprises building private clouds needing complete open-source control.

Skip if

Teams lacking dedicated engineering expertise for complex installations.

What is OpenStack?

OpenStack is a powerful open-source cloud computing platform that controls large pools of compute, storage, and networking resources throughout a datacenter. Managed through a dashboard or API, it gives administrators control while empowering users to provision resources. Backed by a vibrant global community of developers and major enterprises, OpenStack serves as the foundational infrastructure for private clouds, telecommunication networks, and massive public cloud offerings worldwide.

SpecificationsAI-estimated

free tierโœ… Yes

Key Features of OpenStack

Provides massively scalable compute resource management through the Nova component for virtual machines and bare metal instances.
Delivers block and object storage capabilities via Cinder and Swift to handle vast amounts of unstructured and structured data.
Offers software-defined networking through Neutron to manage networks, subnets, routers, and floating IP addresses.
Includes a centralized dashboard called Horizon for administrators and users to provision and monitor cloud resources.
Supports identity and access management through Keystone, providing authentication and authorization across all services.
Enables automated image discovery, registration, and delivery services through the Glance image service.
Provides orchestration capabilities via Heat to deploy complex cloud applications based on declarative templates.

Use Cases for OpenStack

1

Private Cloud Infrastructure

Organizations build secure, internal enterprise clouds to maintain strict data control and compliance.

2

Telecommunications Networks

Telcos use OpenStack to deploy Network Functions Virtualization (NFV) for modern 5G architectures.

3

Public Cloud Hosting

Service providers build commercial public cloud offerings to compete with hyperscale providers.

4

High-Performance Computing

Research institutions utilize OpenStack to orchestrate large clusters for scientific data processing.

Pros & Cons of OpenStack

Pros

  • Completely open source with no vendor lock-in
  • Highly modular architecture allows custom service deployments
  • Massive community and enterprise backing
  • Extensive APIs compatible with standard cloud tooling

Cons

  • Steep learning curve and complex installation process
  • Requires dedicated engineering expertise to maintain and operate
  • Troubleshooting large-scale deployments can be difficult

Frequently Asked Questions

Is OpenStack free to use?

Yes, OpenStack is released under the Apache 2.0 license and is completely free to download, use, and modify.

Who maintains OpenStack?

OpenStack is managed by the Open Infrastructure Foundation and developed by a global community of thousands of contributors.

What is the difference between OpenStack and Kubernetes?

OpenStack provides Infrastructure-as-a-Service (IaaS) by managing virtual machines and bare metal, whereas Kubernetes is a container orchestration platform.

How do I get started with OpenStack?

You can deploy a test environment using all-in-one installation tools like DevStack or consult the official OpenStack documentation for enterprise deployment guides.

Free

Detailed plans are not listed. Visit the official website for pricing information.

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Target AudienceEnterprises and service providers

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Tags

Open SourceCloud ComputingIaaSPrivate CloudVirtualization

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