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This looks very compelling. There is huge demand from large (enterprise/govt) companies for cloud solutions they can run on in-house hardware. I'm actually not that familiar with what you get from OpenStack out of the box, after the Nebula has provisioned everything, can the customer just start writing over HTTP? NFS? Is Active Directory integration supported? What is done to ensure data integrity on the storage long term?

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OpenStack provides virtualization, storage and networking services. You have the basic gist, once nebula provisions everything, you can interact immediately with the system, provisioning virtual machines and storing data.

You can use a browser-based web dashboard or REST apis to interact with the system. Object storage (think S3) is exposed externally, block storage is supported, but it isn't currently exposed outside the system (its for vms only). AD integration is in the works.

We support the swift API for object storage. A single system keeps many replicas, it's analogous to an AZ in s3 if you're familiar with AWS.

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