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Getting Started with XenDesktop 7.x
Getting Started with XenDesktop 7.x

Getting Started with XenDesktop 7.x: Deliver desktops and applications to your end users, anywhere, anytime, with XenDesktop 7.x.

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Profile Icon Craig Thomas Ellrod
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Full star icon Full star icon Full star icon Full star icon Half star icon 4.5 (8 Ratings)
eBook Apr 2014 422 pages Edition
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Arrow left icon
Profile Icon Craig Thomas Ellrod
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₱2240.99 ₱2490.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.5 (8 Ratings)
eBook Apr 2014 422 pages Edition
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₱2240.99 ₱2490.99
Paperback
₱3112.99
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₱2240.99 ₱2490.99
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Getting Started with XenDesktop 7.x

Chapter 1. Designing a XenDesktop® Site

In this chapter, we start with defining the pieces or components that make up a XenDesktop Site along with the terminology and concepts involved. We then set out to design a basic XenDesktop architecture, which ends with a network diagram that we will use as a roadmap for the remainder of the book. In this chapter, we will cover the following topics:

  • The components of XenDesktop

  • Terminology and concepts

  • System requirements

  • Designing a basic XenDesktop Site

  • Common ports used in network communication

The core components of a XenDesktop® Site


Before we get started with the designing of the XenDesktop Site, we need to understand the core components that go into building it. XenDesktop can support all types of workers—from task workers who run Microsoft Office applications to knowledge users who host business applications, to mobile workshifting users, and to high-end 3D application users. It scales from small businesses that support five to ten users to large enterprises that support thousands of users.

Tip

Please follow the steps in the guide in the order in which they are presented; do not skip steps or topics for a successful implementation of XenDesktop.

The following is a simple diagram to illustrate the components that make up the XenDesktop architecture:

Note

If you have the experience of using XenDesktop and XenApp, you will be pleased to learn that XenDesktop and XenApp now share management and delivery components to give you a unified management experience.

Now that you have a visual of how a simple Site will look when it is completed, let's take a look at each individual component so that you can understand their roles.

Terminology and concepts


In this section, we will cover some commonly used terminology and concepts used with XenDesktop.

Server side

It is important to understand the terminology and concepts as they apply to the server side of the XenDesktop architecture, so we will cover that in this section.

Hypervisor

As mentioned in the Preface of this book, a Hypervisor is an operating system that hosts multiple instances of other operating systems. XenDesktop is supported by three Hypervisors—Citrix XenServer, VMware ESX, and Microsoft Hyper-V.

Database

In XenDesktop, we use the Microsoft SQL Server. The database is sometimes referred to as the data store. Almost everything in XenDesktop is database driven, and the SQL database holds all state information in addition to the session and configuration information. The XenDesktop Site is only available if the database is available.

If the database server fails, existing connections to virtual desktops will continue to function until the user either logs off or disconnects from their virtual desktop; new connections cannot be established if the database server is unavailable. There is no caching in XenDesktop 7.x, so Citrix recommends that you implement SQL mirroring and clustering for High Availability.

Note

The IMA data store is no longer used, and everything is now done in the SQL database for both session and configuration information. The data collector is shared evenly across XenDesktop controllers.

Delivery Controller

The Delivery Controller distributes desktops and applications, manages user access, and optimizes connections to applications. Each Site has one or more Delivery Controllers.

Studio

Studio is the management console that enables you to configure and manage your XenDesktop and XenApp deployment, eliminating the need for two separate management consoles to manage the delivery of desktops and applications. Studio provides you with various wizards to guide you through the process of setting up your environment, creating your workloads to host and assign applications and desktops, and assigning applications and desktops to users.

Note

Citrix Studio replaces the Delivery Services Console and the Citrix AppCenter from previous XenDesktop versions.

Director

Director is used to monitor and troubleshoot the XenDesktop deployment.

StoreFront

StoreFront authenticates users to Site(s) hosting the XenApp and XenDesktop resources and manages the stores of desktops and applications that users access.

Virtual machines

A virtual machine (VM) is a software-implemented version of the hardware. For example, Windows Server 2012 R2 is installed as a virtual machine running in XenServer. In fact, every server and desktop in this book's examples will be installed as a VM with the exception of the Hypervisor, which obviously needs to be installed on the server hardware before we can install any VMs.

The Virtual Desktop Agent

The Virtual Desktop Agent (VDA) has to be installed on the VM to which users will connect. It enables the machines to register with controllers and manages the ICA/HDX connection between the machines and the user devices. The VDA is installed on the desktop operating system VM, such as Windows 7 or Windows 8, which is served to the client. The VDA maintains a heartbeat with the Delivery Controller, updates policies, and registers the controllers with the Delivery Controller.

Server OS machines

VMs or physical machines based on the Windows Server operating system are used to deliver applications or host shared desktops to users.

Desktop OS machines

VMs or physical machines based on the Windows desktop operating system are used to deliver personalized desktops to users or applications from desktop operating systems.

Active Directory

Microsoft Active Directory is required for authentication and authorization. Active Directory can also be used for controller discovery by desktops to discover the controllers within a Site. Desktops determine which controllers are available by referring to information that controllers publish in Active Directory.

Active Directory's built-in security infrastructure is used by desktops to verify whether communication between controllers comes from authorized controllers in the appropriate Site. Active Directory's security infrastructure also ensures that the data exchanged between desktops and controllers is confidential.

Tip

Installing XenDesktop or SQL Server on the domain controller is not supported; in fact, it is not even possible.

Desktop

A desktop is the instantiation of a complete Windows operating system, typically Windows 7 or Windows 8. In XenDesktop, we install the Windows 7 or Windows 8 desktop in a VM and add the VDA to it so that it can work with XenDesktop and can be delivered to clients. This will be the end user's virtual desktop.

XenApp®

Citrix XenApp is an on-demand application delivery solution that enables any Windows application to be virtualized, centralized, and managed in the data center and instantly delivered as a service. Prior to XenDesktop 7.x, XenApp delivered applications and XenDesktop delivered desktops. Now, with the release of XenDesktop 7.x, XenApp delivers both desktops and applications.

Edgesight®

Citrix Edgesight is a performance and availability management solution for XenDesktop, XenApp, and endpoint systems. Edgesight monitors applications, devices, sessions, license usage, and the network in real time. Edgesight will be phased out as a product.

FlexCast®

Don't let the term FlexCast confuse you. FlexCast is just a marketing term designed to encompass all of the different architectures that XenDesktop can be deployed in. FlexCast allows you to deliver virtual desktops and applications according to the needs of diverse performance, security, and flexibility requirements of every type of user in your organization. FlexCast is a way of describing the different ways to deploy XenDesktop. For example, task workers who use low-end thin clients in remote offices will use a different FlexCast model than a group of HDX 3D high-end graphics users. The following table lists the FlexCast models you may want to consider; these are available at http://flexcast.citrix.com:

FlexCast model

Use case

Citrix products used

Local VM

Local VM desktops extend the benefit of a centralized, single-instance management to mobile workers who need to use their laptops offline. Changes to the OS, apps, and data are synchronized when they connect to the network.

XenClient

Streamed VHD

Streamed VHDs leverage the local processing power of rich clients, which provides a centralized, single-image management of the desktop. It is an easy, low-cost way to get started with desktop virtualization (rarely used).

Receiver

XenApp

Hosted VDI

Hosted VDI desktops offer a personalized Windows desktop experience typically required by office workers, which can be delivered to any device. This combines the central management of the desktop with complete user personalization. The user's desktop runs in a virtual machine. Users get the same high-definition experience that they had with a local PC but with a centralized management. The VDI approach provides the best combination of security and customization. Personalization is stored in the Personal vDisk. VDI desktops can be accessed from any device, such as thin clients, laptops, PCs, and mobile devices (most common).

Receiver

XenDesktop

Personal vDisk

Hosted shared

Hosted shared desktops provide a locked-down, streamlined, and standardized environment with a core set of applications. This is ideal for task workers where personalization is not required. All the users share a single desktop image. These desktops cannot be modified, except by the IT personnel. It is not appropriate for mobile workers or workers who need personalization, but it is appropriate for task workers who use thin clients.

Receiver

XenDesktop

On-demand applications

This allows any Windows application to be centralized and managed in the data center, which is hosted on either multiuser terminal servers or virtual machines, and delivered as a service to physical and virtual desktops.

Receiver

XenApp and XenDesktop App Edition

Storage

All of the XenDesktop components use storage. Storage is managed by the Hypervisor, such as Citrix XenServer. There is a personalization feature to store personal data from virtual desktops called the Personal vDisk (PvD).

The client side

For a complete end-to-end solution, an important part of the architecture that needs to be mentioned is the end user device or client. There isn't much to consider here; however, the client devices can range from a high-powered Windows desktop to low-end thin clients and to mobile devices.

Receiver

Citrix Receiver is a universal software client that provides a secure, high-performance delivery of virtual desktops and applications to any device anywhere. Receiver is platform agnostic. The Citrix Receiver is device agnostic, meaning that there is a Receiver for just about every device out there, from Windows to Linux-based thin clients and to mobile devices including iOS and Android. In fact, some thin-client vendors have performed a close integration with the Citrix Ready program to embed the Citrix Receiver code directly into their homegrown operating system for seamless operation with XenDesktop.

The Citrix Receiver must be installed on the end user client device in order to receive the desktop and applications from XenDesktop. It must also be installed on the virtual desktop in order to receive applications from the application servers (XenApp or XenDesktop), and this is taken care of for you automatically when you install the VDA on the virtual desktop machine.

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What you will learn

  • Create a completely functioning VDI implementation
  • Manage XenDesktop® using Studio, including machine catalogs, delivery groups, and Personal vDisks
  • Customize user sessions using policies
  • Learn how printing and USB redirection work and how to configure them
  • Explore High Definition User Experience (HDX) and how it affects usability
  • Deliver virtual applications with VM hosted apps
  • Plug in to the different XenDesktop® services using the XenDesktop® SDK
  • Use the Citrix® Receiver® to receive and run the virtual desktop on the client device
  • Manage and monitor XenDesktop® using Studio and Director
  • Secure the XenDesktop® Site using the NetScaler Gateway
  • Build and deliver VDI from the cloud

Product Details

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Publication date : Apr 22, 2014
Length: 422 pages
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Language : English
ISBN-13 : 9781849689779

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Language : English
ISBN-13 : 9781849689779

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Table of Contents

15 Chapters
Designing a XenDesktop Site Chevron down icon Chevron up icon
Installing XenDesktop Chevron down icon Chevron up icon
Managing Machine Catalogs, Hosts, and Personal vDisks Chevron down icon Chevron up icon
Managing Delivery Groups Chevron down icon Chevron up icon
Managing Policies Chevron down icon Chevron up icon
Managing Printing Chevron down icon Chevron up icon
Virtualizing USB Support Chevron down icon Chevron up icon
Virtualizing Storage and Backup Chevron down icon Chevron up icon
High Definition Experience (HDX) Chevron down icon Chevron up icon
Application Delivery Chevron down icon Chevron up icon
Working with the XenDesktop SDK Chevron down icon Chevron up icon
Working with Citrix ReceiverTM and Plugins Chevron down icon Chevron up icon
Securing XenDesktop Chevron down icon Chevron up icon
Managing and Monitoring XenDesktop Chevron down icon Chevron up icon
VDI in the Cloud Chevron down icon Chevron up icon

Customer reviews

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Admir Jan 16, 2015
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I am very fascinated with Citrix and have read many articles regarding the virtual technology. I wanted to get my hands on practice with it since I was done studying the back bone of how it works. I wanted a book that showed me step by step that included photos here and there. This book does an excellent job teaching you, whether you've never done it before or have. Hence you need to understand the terminology of how servers and hosting works, which shouldn't be too hard with the amount of books that are out there.This implementation guy covers the necessities of running a Citrix based infrastructure that will get you up and running as an administrator. it is not pricey and does the job. I highly recommend this print.
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MikeD Mar 26, 2015
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My tech's love the book, I would recommend buying it
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N. Mohammed May 02, 2015
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Great
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Stephan Hölzel Jun 11, 2014
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Hi!I wish, i had this eBook 12 months earlier!Our project at a customer started up on May 2013 with vSphere 5.5, XenDesktop 7.x and Windows 8.1 and i had to look for every information, estimate the consumption and calculate the required hardware- and storage ressources without having information in detail.This eBook gives you a great overview about XenDesktop 7.x on XenServer.It shows you, how you have to size your environment, what you have to think about and where you should keep on an eye.You get a helping hand with this ebook to configure the XenDesktop 7.x environment and a lot of explaination, how to configure what (policies, printer, USB device, etc.).What i missed, is the Citrix Provisioning part. The whole book describes the MCS way of deploying virtual desktops. Till now, Citrix does not support provisioning service for Windows 8.x and it does not work (black screen). - Too bad!Never the less, it is too much content in this ebook to describe every chapter, so let me summarize it:A very good eBook of Citrix XenDesktop 7.x!But not for beginners, you need some experience with Citrix XenDesktop to understand everything.When will be published an eBook about XenDesktop 7.x AppEdition/XenApp 7.5 in that quality?I would buy it asap! =)Best regards from Germany!Stephan
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Ryan Mahon Jun 07, 2014
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The author’s knowledge of XenDesktop 7.x is excellently portrayed in a well organized and written guide. Using this guide any one from a seasoned Citrix Administrator to a novice first time setting up a farm Administrator can understand and apply the instructions with ease. The breakdown of each concept from Farm creation to securing your environment with netscalers allows us all to walk away feeling like our environment is ready to rock and roll. Only additional information I would have like to see is a more in depth troubleshooting section that goes through some of the tools besides Director. I would still recommend this book for all.
Amazon Verified review Amazon
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