Specifications
Table Of Contents
- View Manager Administration Guide
- Contents
- About This Book
- Introduction
- Installation
- View Administrator
- Virtual Desktop Deployment
- Client Management
- Installing and Running View Client and View Portal
- Client Connections from the Internet
- Creating SSL Server Certificates
- Using Existing SSL Certificates
- Smart Card Authentication
- RSA SecurID Authentication
- View Client Command Line Options
- Virtual Printing
- Adobe Flash Bandwidth Reduction
- Client Computer Information
- Using PCoIP Display Protocol
- Using HP RGS Display Protocol
- View Composer
- Overview of View Composer
- Preparing vCenter Server for View Composer
- Preparing a Parent VM
- Deploying Linked Clone Desktops from View Manager
- Refreshing, Recomposing, and Rebalancing Linked Clone Desktops
- Using an Existing View Composer Database
- Using the SviConfig Tool for View Composer
- Offline Desktop
- Component Policies
- Unified Access
- Troubleshooting
- Appendix: The locked.properties File
- Glossary
- Index
VMware, Inc. 171
Chapter 7 Offline Desktop
Oncecheckedout,OfflineDesktopusesthinprovisionedvirtualdiskstostore
informationonthehostsystem.Thistypeofdiskoccupiesnomorespacethanthat
requiredbythedataitcontains,andphysicaldiskspaceisonlyallocatedasdatais
written;thisminimizesthestoragefootprintofthe
downloadedsystem.
Ifanetworkconnectionispresentontheclientsystem,thedesktopthathasbeen
checkedoutwillcontinuetocommunicatewithViewConnectionServerinorderto
obtainusagedata,providepolicyupdates,andensurethatlocallycached
authenticationcriteriaiscurrent.Contactisattemptedevery5minutes.
Intheabsence
ofanetworkconnection,thedesktopwillfallbackonlocallycachedinformationin
ordertoauthenticatetheuserduringlogin.
Thedataoneachofflinesystemisencryptedandhasalifetimecontrolledthrough
policy—iftheclientlosescontactwiththeViewConnectionServer,themaximum
time
withoutservercontactistheperiodinwhichtheusercancontinuetousethedesktop
beforetheyarerefusedaccess;thiscountdownisresetoncetheconnectionis
re‐established.Priortodisconnection,theuserisnotifiedthattheofflinedesktop
lifetimeisabouttoexpire.
Similarly,ifuser
accessisremoved—thatis,ifentitlementiswithdrawnortheaccount
issuspended—theclientsystembecomesinaccessiblewhenthecacheexpiresorafter
theclientismadeawareofthischangebytheViewConnectionServer(whichever
comesfirst).Inthisscenario,theuserisnotnotifiedpriortodisconnection.
Tunneled Communications and SSL
OfflineDesktopsupportstunneledornon‐tunneledcommunicationsforLAN‐based
datatransfers.
Whentunnelingisenabled,alltrafficisroutedthroughtheViewConnection
Server.
Whentunnelingisnotenabled,datatransferstakeplacedirectlybetweenthe
onlinedesktophostsystemandtheofflineclient.
YoucandisabletunnelingbyselectingtheDirectconnectionforOfflineDesktop
operationscheckboxintheConfigurationpageoftheadministrativeinterface.
Inadditiontospecifyingtherouteforcommunications,
youcanencryptthe
communicationsanddatatransfersthattakeplacebetweentheOfflineDesktopclient
andtheViewConnectionServerbyselectingtheRequireSSLforOfflineDesktop
operationscheckboxintheConfigurationpageoftheadministrativeinterface.
N
OTEBypassingthetunnelandusinganunencryptedconnectionincreasesdata
transferspeedattheexpenseofsecuredatacommunication.Theencryptionsettinghas
noeffectontheofflinedataitself,whichisalwaysencryptedontheclientsystem.