AT&T’s 2016 Ubuntu selection was for cloud, network, and enterprise applications—not a documented switch away from Windows across the company. Canonical announced on 13 January 2016 that AT&T had selected it to provide Ubuntu and engineering support for the carrier’s cloud and network innovation effort.
What AT&T selected Ubuntu to do
Canonical’s 13 January 2016 announcement described a targeted enterprise decision: Ubuntu operating-system support and engineering help for AT&T’s cloud, network, and enterprise applications. It did not describe a company-wide operating-system change or say that AT&T was replacing Windows on employee desktops.
The distinction matters: selecting Linux for infrastructure or application workloads does not, by itself, establish what operating system a company uses for office computers. The announcement supports the former scope, not a conclusion about AT&T’s desktop fleet.
Why Ubuntu was selected
Canonical attributed the choice to Ubuntu’s innovation and performance for scale-out workloads and cloud. AT&T executive Toby Ford, then Assistant Vice President of Cloud Technology, Strategy and Planning, emphasized open-source principles, OpenStack innovation, and a simpler, more modular approach to scaling.
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“By tapping into the latest technologies and open principles, AT&T’s network of the future will deliver what our customers want, when they want it.”
“We’re reinventing how we scale by becoming simpler and modular, similar to how applications have evolved in cloud data centers.”
Both quotations were reproduced in Canonical’s announcement. The source does not offer a direct Ubuntu-versus-Windows evaluation, nor does it say the selection was based on price, security, or categorical superiority over Windows.
What the announcement does—and does not—establish
- Established: Canonical said AT&T selected Ubuntu and engineering support for cloud, network, and enterprise applications in 2016.
- Not established: That AT&T replaced Windows throughout the company, including on employee PCs.
- Not established: Whether the 2016 selection remains in use today. The announcement is historical and does not confirm current deployment status.
How to interpret the OpenStack statistic
Canonical’s announcement also stated that “Over 80% of the large-scale OpenStack deployments today are on Ubuntu.” That was a figure published by Canonical in January 2016; the announcement did not identify an underlying study or give the statistic a separate publication date. It should not be read as a current market share or as independently verified data.
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Bottom line on Ubuntu versus Windows
AT&T’s reported choice was a workload-specific enterprise selection: Ubuntu for cloud, network, and enterprise applications, with Canonical engineering support. It is not evidence of an organization-wide Windows replacement, and the 2016 announcement does not show what AT&T runs today.
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