Index Virtual Private CloudsVirtual ApplicationsPolicy ComplianceVirtual private cloud is a configurable pool of shared resources on demand. The concept of VPC has emerged recently for a single organization. And it can be based on the physical resources of the organization, the external service provider, or a combination of both. The VPC concept is both transformative and foundational. The concept of VPC is fundamental and transformative. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essayVPC Processes the abstraction of public resources combined with internal resources that provide equivalent functionality and ensure that physical resources are managed for a single organization. And public resources can be shared with other organizations. It also provides a path for the organization to incorporate cloud computing into the IT infrastructure. Virtual Private Clouds From the definition of cloud given in Mell and Grance (2009) we extract three key questions about cloud implementation which are: Where is the infrastructure? Who manages the infrastructure? Who uses cloud infrastructure? The first two questions are about implementation that can be applied to more than one deployment model. And the distinction between public, private, community and hybrid cloud is the answer to the last question. VPC is built from the hybrid of an external public cloud and an internal private cloud. Virtual Data Centers In conventional IT, data centers provide a cost-effective way of organizing resources. in locally connected pools. The location provides the opportunity for common physical supervision and improved network performance across resources within the data center. In fact, a data center can be seen as a local container of IT resources that can be managed together from a resource, security and/or information perspective. For practical reasons, a VDC will typically be deployed based on a single underlying physical data center; otherwise it would be difficult to achieve apparent local connectivity. Of course, the limitation is only in one direction: a given physical data center can host more than one VDC. Additionally, a data center operated by a public cloud provider can offer VDCs to multiple organizations, or, henceforth, tenants, so the underlying computing environment is multi-tenant. Virtual Applications Information-based processes in conventional IT are realized by various applications involving interactions between collections of data. resources. The resources that support a given application can run in a single data center or across multiple data centers depending on the application requirements. Just as a VDC can show a data center in a more ideal form, a virtual application can present what an application should look like. Today, security, resource management and information management are generally enforced by the operating system and the application. stack, making them complex and expensive to implement and maintain. With the simplified, unified management provided by virtual application abstraction and encapsulation of application components in virtual machine containers, the virtual application container becomes a new control point for consistent application management. Instead of orchestrating each resource individually, an organization can operate on the entire set in concert, achieving the equivalent of “one-click” provisioning, power-on, snapshots, backups, and so on. Virtual applications run on one or more private data centers connected by virtual private networks. In a conventional data center, such an application.