Month: July 2021

A VM is a duplicate of an existing computer system in which a majority of the VM instructions are executed on the host processor in native mode. Thus, unprivileged instructions…

In general, there are three typical classes of VM architecture. Figure 3.1 showed the architectures of a machine before and after virtualization. Before virtualization, the operating system manages the hardware.…

A traditional computer runs with a host operating system specially tailored for its hardware architecture, as shown in Figure 3.1(a). After virtualization, different user applications managed by their own operating…

1.Application Virtualization. 2.Network Virtualization. 3.Desktop Virtualization. 4.Storage Virtualization. 1.Application Virtualization:Application virtualization helps a user to have a remote access of an application from a server. The server stores all personal…

1.More flexible and efficient allocation of resources.2.Enhance development productivity.3.It lowers the cost of IT infrastructure.4.Remote access and rapid scalibility.5.High availability and disaster recovery.6.Pay per use of the IT infrastructure on…

Virtualization is a technique, which allows to share single physical instance of an application or resource among multiple organizations or tenants (customers). It does so by assigning a logical name to a physical…

There are mainly two types of web services. SOAP web services. RESTful web services. In order for a web service to be fully functional, there are certain components that need…

Web service is a standardized medium to propagate communication between the client and server applications on the World Wide Web. A web service is a software module that is designed to…

REST (REpresentational State Transfer) is an architectural style for developing web services. REST is popular due to its simplicity and the fact that it builds upon existing systems and features…

Service-Oriented Architecture (SOA) is an architectural approach in which applications make use of services available in the network. In this architecture, services are provided to form applications, through a communication…