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User Stories
  • Simplifying Infrastructure with OpenStack – Telekom Networks Malawi’s Transformation
    April 10, 2025

    Simplifying Infrastructure with OpenStack – Telekom Networks Malawi’s Transformation

    With a network spanning 88% of Malawi, TNM has embraced OpenStack and not only modernized its infrastructure but has also set itself up for scalable growth in the rapidly evolving telecommunications sector.

    Allison Price
  • Streamlining OpenStack Upgrades: Managing Scalability, Efficiency, and Compliance at Cleura
    April 2, 2025

    Streamlining OpenStack Upgrades: Managing Scalability, Efficiency, and Compliance at Cleura

    Upgrading OpenStack at scale is a complex and challenging task, but through the implementation of SLURP and a shift to less frequent, more deliberate upgrade cadences, organizations like Cleura can achieve more efficient and stable upgrade processes.

    Allison Price
  • Why OpenStack Is Still Walmart’s Private Cloud of Choice — 1 Million+ Cores Later
    March 31, 2025

    Why OpenStack Is Still Walmart’s Private Cloud of Choice — 1 Million+ Cores Later

    At OpenInfra Days North America, Walmart shared how their OpenStack footprint has grown over the past ten years from thousands of compute cores to well over 1 million.

    Helena Spease
  • FIFGROUP’s Cloud Upgrade: How FishOS Simplified VMware to OpenStack Migration
    March 26, 2025

    FIFGROUP’s Cloud Upgrade: How FishOS Simplified VMware to OpenStack Migration

    Migrating a complex virtual environment without disruptions is no small task, especially for financial institutions that must balance scalability and efficiency with stability. Discover how Sardina Systems helped PT Federal International Finance (FIFGROUP) smoothly transition from a VMware cluster to an OpenStack-based FishOS cloud infrastructure, boosting performance, reliability, and cost efficiency.

    Superuser
  • H3C’s Use of the Open Infrastructure Blueprint
    October 23, 2024

    H3C’s Use of the Open Infrastructure Blueprint

    The H3C case study is part of an OpenStack community effort to highlight the collection of open source projects that has risen as a powerful top-to-bottom open source infrastructure stack.

    Kendall Nelson
  • China Mobile’s Use of the Open Infrastructure Blueprint
    October 9, 2024

    China Mobile’s Use of the Open Infrastructure Blueprint

    China Mobile Cloud is a solution by China Mobile that combines Linux, OpenStack, and Kubernetes in production.

    Kendall Nelson
  • Datacomm’s Success Story: Launching A New Data Center Seamlessly With FishOS
    September 12, 2024

    Datacomm’s Success Story: Launching A New Data Center Seamlessly With FishOS

    Explore how Sardina Systems, an OpenInfra Foundation silver member, helped deploy Datacomm Diangraha’s largest data center yet, DC4, enhancing their infrastructure.

    Superuser
  • Revolution in Cloud Economy: How FishOS – Integrated Solution Reduced Enterprise’s Cloud Costs by 50%
    July 1, 2024

    Revolution in Cloud Economy: How FishOS – Integrated Solution Reduced Enterprise’s Cloud Costs by 50%

    Learn how GRASS-MERKUR, a major player in German data center services, reduced their service costs by half by implementing FishOS – Integrated Solution designed with Vespertec’s hardware.

    Allison Price
  • Virtual Labs | An OpenStack Case Study
    January 31, 2024

    Virtual Labs | An OpenStack Case Study

    Learn how this cloud solution powered by OpenStack can create and terminate Virtual Machines (VMs) according to a time scheduling mechanism.

    • Dr. Michael Xevgenis
    • Nikolaos Kaftantzis
  • OpenStack Neutron – Networking In Cloud Demystified
    January 5, 2024

    OpenStack Neutron – Networking In Cloud Demystified

    Check out this step-by-step article that talks about the behind-the-scenes of networking and how virtual machines are connected to the outside world (internet).

    Ajith Narayanan

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Superuser is a publication about the open infrastructure stack including Ceph, Cloud Foundry, Kata Containers, Kubernetes, OpenStack, OPNFV, OVS, Zuul, StarlingX and more.