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Chapter 4
Planning Application Services
21
Computer Networking
Undergraduate 3
06/13/2012

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Term
application servers
Definition
Software components that provide communications services, operating environments, or programming interfaces for specific applications.
Term
client-side caching
Definition
A Remote Desktop Connection feature that enables a client to store screen elements that remain unchanged from one refresh to the next in a cache on the computer.
Term
copy-on-write data sharing
Definition
A Windows Server 2008 Terminal Services memory management technique used by the operation system that, when a client attempts to write to a shared application file, creates a copy of that file, allocates it for the exclusive use of that client, and writes the changes to the copy.
Term
hybrid virtualization
Definition
A type of virtualization in which a host OS shares access to the computer's processor with the virtual machine manager, with each taking the clock cycles it needs and passing control of the processor back to the other.
Term
Hyper-V
Definition
A Windows Server 2008 role that implements hypervisor virtualization on the computer.
Term
hypervisor
Definition
In virtualization, an abstraction layer that interacts directly with the computer's physical hardware.
Term
Microsoft SoftGrid Application Virtualization
Definition
Virtualize application that in such a way that they run on the client, not the server.
Term
Microsoft System Center Configuration Manager 2007
Definition
A network management product, designed for large enterprises, that administrators can use to deploy applications.
Term
Microsoft System Center Essentials 2007
Definition
A network management product, designed for medium-sized organizations, that administrators can use to deploy applications
Term
Remote Desktop Connection
Definition
A program running on a desktop computer that establishes a connection to a terminal server using Remote Desktop Protocol (RDP) and displays a session window containing a desktop or application
Term
Remote Desktop Protocol (RDP)
Definition
The protocol used to transmit screen information, keystrokes, and mouse movements between the Remote Desktop Connection client and a Remote Desktop or Terminal Services server.
Term
RemoteApp
Definition
A Terminal Services feature that enables clients to run terminal server applications within individual, resizable windows.
Term
session
Definition
In Terminal Services, a collection of client processes that form an individual user environment running on the server.
Term
Session ID
Definition
In Terminal Services, a unique indentifier that a terminal server assigns to each client session to keep the processes for individual clients separate.
Term
Terminal Services client access licenses (TS CALs)
Definition
A document that grants a single client access to a specific software program, in this case, a Terminal Services Server.
Term
thin client computing
Definition
A variation on the mainframe computing paradigm, in which clients function only as terminals, and servers do all of the application computing.
Term
TS Licensing server
Definition
A Terminal Service software component that issues client access licenses to Terminal Services clients on a network
Term
virtual instance
Definition
A guest OS installed on a virtual machine in a Windows Server 2008 computer using Hyper-V
Term
virtual machine manager (VMM)
Definition
A virtualization software component that enables administrators to create and manage virtual machines on a computer.
Term
Virtual Machines (VMs)
Definition
In virtualization, one of multiple separate operating environments on a single computer, in which you can install a separate copy of an operating system.
Term
virtualization
Definition
The process of deploying and maintaining multiple instances of an operating system on a single computer.
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