Specifications
Copyright © 2007 VMware, Inc. All rights reserved. 4
Pocket ACE Guide
WithPocketACE,ITadministratorscaneasilydeployatrusted,managed,andmoresecurevirtualdesktop
instancetooffshorepartners.Thevirtualdesktopinstancescanbedistributedusingportablemediaor
download.ThevirtualdiskofthePocketACEcanbeencryptedtoreducetheriskoflostdata.Bysetting
specificnetworkquarantinepolicies,trafficbetweenoffshorepartnerscanbelimited,allowingonly
communicationbetweenthePocketACEinstanceandtheenterprisenetwork.
Providing Disaster Recovery
UsingPocketACE,organizationscaneasilypackagedesktopinstanceswithallthenecessaryenterprise
applicationsforuseinthecaseofadisaster.Theseinstancescanbedeployedtoportablemediadevicesand
storedsafelyinasecureoffsitefacility.Ifadisasteroccurs,thePocketACEinstancescanbequickly
distributed
andused.
Distributing Beta or Trial Software
UsingPocketACE,ISVscandistributesoftwarepreinstalledasavirtualapplianceeitherbydownloadoron
aportablemediadevice.AnISVcanprovideacompleteworkingenvironment,ensuringnocompatibility
issues.CustomEULAscanbecreatedandusedtoensurethatauseragreestopriortousingan
ACEinstance.
Inaddition,anexpirationperiodcanbesetthatdisablesanACEinstanceafteranallottedperiodoftime.
Choosing a Portable Media Device
BeforedeployingPocketACEinstancestoendusers,administratorsmustdecidewhichportablemedia
devicestouse.PocketACEsupportsawidearrayofdevicesthatinclude:
Flashmemorydrives(USBKeys)
Flash‐basedAppleiPodmobiledigitaldevices
HardDriv ebasedAppleiP odmobiledigitaldevices
Portableharddrives
Howaportablemediadevicewillbeusedandtransportedareimportantconsiderations.Inaddition,the
performanceofthedeviceandthetargethostarebothimportantconsiderations.Inallcases,useahighspeed
USB2.0compliantdevice.Flash‐basedportablemediadevicesthatofferthefastest
read/writespeedtypically
offerthebestperformance.Table 1providespostedperformancespecificationscollectedfromleading
manufacturersofdifferentdevices.
ExternalUSBharddrivesandpocketdrivesofferhighercapacities,typicallyatlowercost.Althoughthese
devicesusuallypostslowerread/writespeedsthanUSBflashdrives,theyhandlesequentialandrandom
writes
better.Overall,theyofferbetterperformance.Pocketflashdrivesarelikelyfoundtobemoreportable
Table 1. Portable Media Device Specifications
Manufacturer Device Type Read Write
Manufacturer14GBUSBFlash 30MB/sec 18MB/sec
Manufacturer24GBUSBFlash 24MB/sec 10MB/sec
Manufacturer34GBUSBFlash 30MB/sec 21MB/sec
Manufacturer44GBUSBFlash 15MB/sec 9MB/sec
Manufacturer58GBUSBFlash 30MB/sec 25MB/sec
Manufacturer616GBUSBFlash 9MB/sec 5.3MB/sec
Manufacturer Device Type RPM Avg. Seek
Manufacturer7USB8GBPocketDrive 4600 11.0ms
Manufacturer8USB6GBPocketDrive 3600
Manufacturer9USB8GBPocketDrive 3600