Microsoft acquired Cycle Computing Tuesday, in a deal that should bolster its high-performance computing pitch to current and future Azure customers.

Cycle Computing makes a product that allows customers with special high-performance computing needs to run their outsized workflows across multiple cloud providers. Novartis and NASA are among the customers of its flagship product, which organizes computing clusters and scales computing resources as needed to finish jobs submitted by those customers.

Terms of the deal were not disclosed. In a bit of a rarity, Cycle Computing was a bootstrapped startup founded in 2005, just as the cloud revolution was coming together.

“The Cycle team can’t wait to combine CycleCloud’s technology for managing Linux and Windows compute & data workloads, with Microsoft Azure’s Big Compute infrastructure roadmap and global market reach,” said Jason Stowe, CEO of Cycle Computing, in a blog post.

Cycle Computing’s product manages high-performance workloads across all of the big three public cloud vendors, but Microsoft told ZDnet that this multicloud strategy would come to an end inside Microsoft. Microsoft will support current Cycle Computing customers running workloads on other cloud providers, but future versions of the software will be Azure-only, and customers will be given time to migrate to Azure.

Microsoft has made several acquisitions this year to add products and talent to Azure as demand continues to grow for the number two cloud infrastructure player. Those companies include including security startup Cloudyn, Kubernetes startup Deis, and data-management platform Intentional Software.

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