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In a presentation at an industry day held earlier this month by the agency's internal IT administrative division, the Information Technology Directorate, slides detail DARPA's internal computing resources.

Network Ops maintain 2.3 petabytes of storage and 542 servers for unclassified work, along with 600 terabytes of storage and 294 servers for classified work. Servers are refreshed every 48 months. Its HPC support has "15 HPC Projects" and has access to 25 million CPU hours.

Separate documents reveal that email services are "currently based on Exchange 2013 Servers," while active directory services are "currently based on Windows Server 2012 R2."

The presentation continues: "ITD procured nearly 7,000 substantial items (servers, network infrastructure, laptops, monitors, etc.) over the past year. This is in addition to smaller items (e.g., cables, mice, phone chargers, etc.)." Reference is made to an internal data center, as well as a disaster recovery site.

But, as the document notes, "compliance with US Government and DoD mandates to migrate to consolidated data centers or utilize commercial cloud." Since 2015, the documents reveal, DARPA has used AWS GovCloud for some unclassified workloads.

"Currently migrating all unclassified workloads to Amazon Web Services GovCloud," a slide states. "[Approximately] 30% of unclassified workloads have been migrated."

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DARPA plans shift from AWS and on-prem to multicloud by 2022 - DatacenterDynamics