Reading Time: 5 minutes VMware vCloud Air is the public cloud offer by VMware (formally known as vCloud Hybrid Service) built on the foundation of vSphere and compatible with your on-premises VMware’s based data center. Actually it included several different services: infrastructure, disaster recovery, data protection, and various applications as service. VMware site and blogs cover more of the information about using this service, but there is a book: Learning VMware vCloud Air.