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OpenStack vs Proxmox VE: What are the differences?

OpenStack and Proxmox VE are open-source solutions for building and managing virtualized infrastructure. Let's explore the key differences between OpenStack and Proxmox VE in more detail:

  1. Architecture: OpenStack is a cloud computing platform that provides a complete set of infrastructure services, including compute, storage, and networking. It follows a modular architecture with various components, such as Nova for compute, Cinder for storage, Neutron for networking, and Keystone for identity and authentication. Proxmox VE, on the other hand, is a complete virtualization management solution that combines KVM-based virtualization, container-based virtualization (LXC), and software-defined storage. It offers a unified web-based interface for managing virtual machines, containers, and storage resources.

  2. Scalability: OpenStack is designed to scale horizontally and can handle large-scale deployments with thousands of physical servers and virtual machines. It provides features like auto-scaling, load balancing, and distributed storage to support high availability and scalability. Proxmox VE is also scalable but is more suitable for small to medium-sized deployments. It can handle hundreds of virtual machines and containers but may have limitations in terms of scaling to extremely large environments.

  3. Community and Ecosystem: OpenStack has a large and active community of contributors, including major technology companies, which ensures continuous development, updates, and support. It has a robust ecosystem with a wide range of plugins, extensions, and integrations with other cloud services and tools. Proxmox VE, although it has a smaller community compared to OpenStack, has an active user base and offers a supportive community forum. It also provides a set of built-in features and integrations, such as support for Ceph storage and ZFS file systems.

  4. Networking and Storage: OpenStack's Neutron component offers advanced networking options like virtual networks and SDN with Open vSwitch. It integrates with various storage backends. Proxmox VE supports bridged networking and VLANs but lacks the advanced networking capabilities of OpenStack. It includes its own software-defined storage solution using ZFS and Ceph.

  5. API and Automation: OpenStack provides a RESTful API for programmatically managing cloud infrastructure and integrates well with third-party tools. Proxmox VE also offers an API but is more focused on its specific functionality and may require additional scripting for advanced automation compared to OpenStack.

In summary, OpenStack and Proxmox VE are both powerful open-source solutions for virtualized infrastructure management. OpenStack is more suitable for large-scale cloud deployments with advanced networking requirements, while Proxmox VE provides a comprehensive and user-friendly virtualization management solution for smaller to medium-sized environments.

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Pros of OpenStack
Pros of Proxmox VE
  • 56
    Private cloud
  • 37
    Avoid vendor lock-in
  • 22
    Flexible in use
  • 6
    Industry leader
  • 4
    Supported by many companies in top500
  • 4
    Robust architecture
  • 9
    HA VM & LXC devices
  • 8
    Ease of use
  • 7
    Robust architecture
  • 6
    Avoid vendor lock-in
  • 6
  • 3
  • 2

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What is OpenStack?

OpenStack is a cloud operating system that controls large pools of compute, storage, and networking resources throughout a datacenter, all managed through a dashboard that gives administrators control while empowering their users to provision resources through a web interface.

What is Proxmox VE?

It is a complete open-source platform for all-inclusive enterprise virtualization that tightly integrates KVM hypervisor and LXC containers, software-defined storage and networking functionality on a single platform, and easily manages high availability clusters and disaster recovery tools with the built-in web management interface.

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What companies use OpenStack?
What companies use Proxmox VE?
See which teams inside your own company are using OpenStack or Proxmox VE.
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What tools integrate with OpenStack?
What tools integrate with Proxmox VE?
    No integrations found

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    What are some alternatives to OpenStack and Proxmox VE?
    Red Hat OpenShift
    OpenShift is Red Hat's Cloud Computing Platform as a Service (PaaS) offering. OpenShift is an application platform in the cloud where application developers and teams can build, test, deploy, and run their applications.
    Cloud Foundry
    Cloud Foundry is an open platform as a service (PaaS) that provides a choice of clouds, developer frameworks, and application services. Cloud Foundry makes it faster and easier to build, test, deploy, and scale applications.
    Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
    The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, enabling organizations to seamlessly build and share any application — from legacy to what comes next — and securely run them anywhere
    KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V).
    See all alternatives