частное облако(A cloud infrastructure that is dedicated to an organization (not shared with other organizations). A private cloud can be managed by the organization or hosted by a third-party service provider, in which case it is referred to as a hosted private cloud. A private cloud can be located on-premises or off-premises)
виртуальное частное облако(существующее в разделяемой или публичной облачной среде. Например, виртуальное частное облако Amazon (Amazon VPC) позволяет соединять Amazon EC2 с наследуемыми инфраструктурами через протокол IPsec ssn)