1/14/2024 0 Comments Microsoft virtual pc 2004It uses an enhanced secure version of the Remote Frame Buffer (RFB) interface. The VMRC protocol is an extended form of the standard Virtual Network Computing (VNC) protocol. VMRC is also the name of the protocol used by the server to talk to client applications. In addition, the Virtual Service runs the Virtual Machine Remote Control (VMRC) server, which clients access in order to control virtual machines remotely. IIS plays an important role because it acts as the host for the Virtual Server Web application-the primary interface for managing Virtual Server and its virtual machines. It also houses the COM interface, event logging, resource management, and performance counters. The host, running Windows Server™ 2003, creates the "Virtual Service" Windows service responsible for isolating and managing virtual machines as part of the Virtual Server installation. Virtual machines are isolated from the host operating system by running atop a virtualization layer that emulates industry-standard hardware. The API is most significant for developers and is largely the subject of this article, but before looking at the API I'll take a moment to describe the architecture of Virtual Server 2005.įigure 1 shows a high-level architecture of Virtual Server. Virtual Server builds upon Virtual PC, adding improved resource utilization and an extensive API to automate deployment and management. Microsoft offers two products that employ virtual machine technology: Virtual PC 2004 and Virtual Server 2005. The virtual machine concept has been around for more than 30 years, but until the advent of products like Virtual Server 2005 it has not been an affordable or manageable solution for application developers and testers. Applications running in a virtual machine behave as if they were running on their own physical system. Non-Microsoft operating systems can also run inside a virtual machine. Windows® 95 and above and even the next version of Windows, code-named "Longhorn," can run concurrently on a single piece of hardware using Virtual Server. This makes it possible to have multiple operating systems running simultaneously on a single machine. In the context of this article, a virtual machine can be best described as an isolated computer implemented entirely in software, running inside a host hardware-based computer. This article demonstrates how the extensive Virtual Server COM API can be used to create an automated application testing environment. Microsoft® Virtual Server 2005 improves developer productivity by simplifying the provisioning and management of testing environments. This ultimately comes at the expense of application quality because less time is spent testing while more time is spent building or reconfiguring machines. Testing in different configurations is an integral part of the development process, but the time and energy consumed configuring and managing these environments can be taxing. Often when I walk by the desk of a software developer or tester I notice the arsenal of hardware used to test applications on different operating system versions or configurations. This article uses the following technologies:Ĭode download available at: VirtualServer2005.exe(677 KB)
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