Citrix_XenDesktop_Implementation_A_Practical_Guide_for_IT_Professionals(1).pdf

Citrix XenDesktop

Implementation

A Practical Guide for

IT Professionals

Gareth R. James

Kenneth Majors

Technical Editor

AMSTERDAM BOSTON HEIDELBERG LONDON

NEW YORK OXFORD PARIS SAN DIEGO

SAN FRANCISCO SINGAPORE SYDNEY TOKYO

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Citrix XenDesktop

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Development Editor: Heather Scherer

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’

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Notices

Knowledge and best practice in this field are constantly changing. As new research and experience broaden our understanding,

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Library of Congress Cataloging-in-Publication Data

James, Gareth R.

Citrix XenDesktop implementation : a practical guide for IT professionals / Gareth R. James.

p. cm.

ISBN 978-1-59749-582-0

1. Computer networks – Remote access. 2. Virtual computer systems. 3. Citrix XenDesktop. I. Title.

TK5105.597J356 2010

005.4'3 – dc22

2010026570

British Library Cataloguing-in-Publication Data

A catalogue record for this book is available from the British Library.

ISBN: 978-1-59749-582-0

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I want to thank my absolutely gorgeous wife Charlotte, for her advice

and direction. Without Charlotte this project would most likely never have been

started and almost certainly never have been finished. I also want to thank

my children Joel, Rosalie, Daniel and Sarah

children really are God

’

s darkest days.

— Gareth James

s richest

blessing. And lastly to my father who was a family man, musician, writer,

journalist, and activist in South Africa

—

Introduction

CHAPTER

INFORMATION IN THIS CHAPTER

Desktop Virtualization

Components of a Citrix VDI Solution

The Project-Based Approach

Desktop virtualization is a very broad topic, which can encompass various virtualization technologies.

This book is aimed at specifically addressing how to implement a virtual desktop infrastructure (VDI)

solution using Citrix XenDesktop.

This book is not meant as a definitive guide to any one of the technologies discussed in this book,

but sets out to tie the components together in a simple, easy-to-grasp manner. We certainly hope it

enables you, the reader, to accelerate through the discovery stage, straight through to implementing

your own proof of concept or pilot of the technology.

DESKTOP VIRTUALIZATION

Desktop virtualization has become a catch all phrase for various mechanisms that simplify the

management of the user

’

s desk. This concept was pioneered by Hewlett-Packard about

5 years ago. The first iteration of the idea involved taking a rack of blade computers, and installing

Windows XP on each blade; users then accessed their assigned blade using a standard Microsoft RDP

(Remote Desktop Protocol) client. As a concept, it worked for some high-end requirements. The advent

of server virtualization into the mainstream has meant that we can now host 30+ desktops on a single

server, A such that this technology is now far more affordable. Figure 1.1 is a diagram of a basic VDI.

The Client Hypervisor is another desktop virtualization technology. The Client Hypervisor

entails installing a hypervisor on a laptop or PC, which is used to host one or more desktop operat-

ing systems. This technology should not be confused with

’

hypervisors like virtual PC or

VMware workstation that execute on top of a guest operating system. This differs from a server

hypervisor insofar as it allows the guest operating system to be accessible from the device itself.

“

Type 2

”

A Citrix has released test results of 130 virtual desktops on one 72GB dual socket, quad-core Intel Xeon x5570. Running

Windows XP guests at 512MB RAM per guest.

Citrix XenDesktop Implementation. DOI: 10.1016/B978-1-59749-582-0.00001-4

s desktop environment.

VDI is a concept that has been around for some years. The basic concept is to host the desktops in

the datacenter rather than on the user

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