GRNET is the national research and education network for Greece that operates advanced e-infrastructures including networks, computing, and storage. It has a large datacenter that provides virtual machines, storage, and other cloud-based services to universities and research institutions through its Okeanos platform. Okeanos allows users to easily set up and manage virtual servers, networks, and disks through a web interface or API. GRNET's vision is to provide unified, advanced, reliable, and sustainable e-infrastructures through economies of scale to enhance research and education applications across Greece.