????????CONTENTS??PART01??PART05???????VDI???????????PART02???????PART03????PART06PART07????PART04???????????????????????6.14??????????????????6??IaaS?PaaS?SaaS?????????????????????????????DesktopasaService??????????????IaaS?????????????????????????????????PC??????????????????????6???????????????????????????????????????????????????????????????????????????IBM?????????????????????????????????????????????????????????????6.15?????????????????????????????????????????????????????????????????????????????????????????6?6????????????????????????????????????????????6?????????????????????6.16?????6????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Streaming????????????????????????????????????????????????????????????6.28????????????????????????????????????????????1???????2????????IT????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????U?????????????????6???????IT???????????????????????????????????????????????????????IT??????????????????????????????????????????????????????????6.293?????4???????????????????????????????????????????????????????????????????????????????????????????????????????????????3????????????5??????????????????????????????????TCO???????????????????????????????????????????????????????200W????6???????????????100W???????????????480?????????????????????6??????????6???????????????????????????????????????????????16W??????????????8%???????????????TCOTotalCostOverhead???????????????Gartner??????????TCO??????????40%???????????????????????6.311????????????????????????????????????l?20??80????????????????????????????????????????????????????????????/????????????????????????????????????l?20??70?????20??90?????????????6???????????????GUI???????????????????????Microsoft????????GUI????????l??21??????????????????????????????????????????????????????????????????????????????????????????????????????????????????w??16.312XWindow????????????????????????i?n?W?????????????????????d??n?????????????d?????????20??80?????UNIXXWindow???????d????XWindow????????d????o?????i????????????n?6?d????????i??????Xn?????????????????????????????????????????????n???????????????V??????????6.313r??6?????????????????????1?EdIacobucci?1989???CitrusSystems?????1993??Citrix??????WinView"????1994??CitrixaWinView?????TCP/IP????????V????????????????????a?????????????????????????????????o?????????????????????????????????x????????????????????????????o????????f????f???x???????x?????C?????ii?????????????????????2???MicrosoftaIT???????Citrix???Microsoft?????1995????WinFrame?Microsofta1997????VRDP?RemoteDesktopProtocol??????a??????????????????????3???????r??w????VMware?????2007?Vs??????e?VDI?????????——VDM1.0?VirtualDesktopManager1.0????a2008?1?VsVDM2.0??a??12?Vs???????????o??????View??????????????????????????????c????????t????M????C?V?????????????t?????????????????????????6.415??????????????????VirtualDesktopInfrastructure?VDI?????????????????Windows???PC???????????????????????????????????6???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????6???????????????????????????????????????????????????????/??????????????????VPN????????????????????/VDI????????VMVMVM??????????????????????????????????6.4161??????2????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????VPN??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????6?????????????????????????????????BYOD???6?????????????6.417?3????????4?????????????????????????????????????????????????????????????????????????????6??????????????Web???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????6.4185??????6??????????????????????????????????????6????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????6?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????VDI?D????????6.520VDI??????VDI?????????????V?I????????????????????????????????????????6??????????????????????????????VDI?????I????????????????????VDI??????????6.521VDI???????1??????EndUserAccessLayer???????????VDI??????????VDI??????????6????????????????????????2????????VirtualInfrastructureServiceLayer????????????????????????????6VMware????RDP?PCoIP?Citrix??ICA/HDX?RedHat??SPICE??3??????StorageServiceLayer??????????????????????????????????????????????????VDI???????????NFSworkFileSystem??CIFSmonInterFileSystem??iSCSI?FibreChannel????????VDI??????????6.522?????????????lHypervisor?Hypervisor?????????????6????????????????????l??????HostedVirtualDesktop??????????????????????????????l?????ConnectionBroker??????????????????????????????????????????????VDI?l???????ManagementandProvisioningService???????????6?????????????????????????l??????HighAvailabilityService??????HA??????????????????????????????HA????????????????????HVD????????????HVD?????????????????????HVD?????????????????????????????????????????????6.624????????6?????????VDI??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????6.6.125???????????OSI??????????????????????????????????????????????????????????????????????????????????????????????l??????????????????????????Multi-Channel?????????????????????????/?????????????????????????????????????????????????l?????????????????????Redirection???????????????????????l??????????????????6?????????????????????????????????QoE??????????????????????RDP???ICA/HDX???PCoIP???SPICE???6.6.2RDP?????????26RDP????RDP???Microsoft???????????????D???????D???????R????????6????????GDI???RDP?????D?????????????????????P????????????RDP???D??????ITU-TT.120??????????????????????????????????????????????????????????6.6.2RDP?????????27RDP??D??RRDP??????????P???c?????3s??????????i?64000?????????RDP?????6??D?~???????01???08?????s??r?c????r?????OPTION02???0t??P???????????OPTION?????s?0?????????s?????????03OPTION???0?s?????o???%?????????????????M???????c????f???????????????????04OPTION6.6.2RDP????????28RemoteFXcor?????????A?????ARDP??????????X?????????R??e??MicrosoftRWindowsServer2008R2??????G?RemoteDesktopService?RDS???6e??RemoteFXco?XRDP???????RemoteFXco??e???3D????P?m???/???USB????co???e??U??????????RMicrosoft?VDI?SBC?????Dit6?VDI?DitX??B??B?????WindowsDirectX??WindowsDirectX???????CPU?GPU??????RemoteFX????RemoteFX????RemoteFX??Hyper-VRemoteFX?????????H???????????co???????p6????????????????????????????????????????????????????VFI?????-??????FI?Ry??????????RemoteFX????????RemoteFX?co???6.6.3ICA/HDX?????????291???Citrix?ICAIndependentputingArchitecture????????????????????????????Citrix???????????????????????????ICA2.0??PortICAICA3.0??????????????Citrix???ICA??????????ICA????????????????????XenDesktop??????????????PortICA??1995?8?Citrix???WinFrame??????WindowNT???????????1992?Citrix?????????????ICA2.0?????CitrixWinCredible????6ICA???????????Windows?????????????ICA???6?3.0?????????Citrix????Citrix?XenApp?XenDesktop?????????XenApp?XenDesktop4.0?IMA????6?XenDesktop????FMA????6.6.3ICA/HDX?????????302?????ICA????????????C??A????????????????????????????????????????????????????????????????????????????????????????ICA?????C??A?????????????????????????????????6????ICA????I??????????????????6.6.3ICA/HDX??f??d???31???????????????x???????s62?????s???????2?????s???????x???????s3??o????.?.????C???Sa?n2??I???????e2????e???e32t???a????.?.????C2???e3?iA??????????62???e6?iA??????????x???sa??e????a??W????s??w???ea???C????ea?Cc?????ax6.6.3ICA/HDX?????????32????????????????????????1???????Citrix????????????6????????????2?????????????????????????????????????????????????????????3?????????WinStation?????WinStation?????????????????????4?????????????????????ICA??????????????????????????????????OS????????????????????5???????????????????????????????????????????????6.6.3ICA/HDX?????????333???ICA?????????????????????????????????????4????01?????????????????????C???????OPTION02???????????????????????A???????????OPTION03??????????????????I?6?????????????????????????OPTION04?????????????????????????????OPTION6.6.3ICA/HDX????????P344?HDX??dICA??????HCitrixd2009r??OHDX?HighDefinitioneXperienceGz?HoICA????O???hs??????o???e?ilR???????3Dct??nM?????????????R??HDX??R????????N??X?X???cy???-??????????????????????lr?p???-skBG?D?c?????2?uz?W?????Hm??apSHd????vg????T??R???G??2?-?B7???-?3D??-??????????????u?u?dSGot????G??2???48??3?8?4???-??-??-??-?????????D?WT??ma?yd?cdot?????????????g?h???Pndot??????????????D????vM?cdot?????????????D??R?H?dot????G??2??65?3?A?63???G??2??63????6??-??????????D??e?i?O?dot????G??2????3543?Ah?h???G??2?1?????A????3A?????G??2???3?A??446????-??????????A?????D?XN??O?dot??-?????????-????h?????????????????????????????????G??2??53?A??6???486?A?3A???6.6.4PCoIP?????????35PCoIP???????????????????????V???????????????????M?ri????????????????e???????????????????????V?????8??????????????????w?T??????T????6???????????????????????c??????????C?ri??M????a6???o??P?????????V?d?0????????V?????????????????6?????????????????????????????I?2?????????????????V??????????8???????????6.6.4PCoIP?????????36C??VMware??????UPCoIP??U????????6?2??????????4?U????????5????????1?3?????1??I???????P???????????????????????UD?1????????C?????6.6.5SPICE?????????37SPICE???E?????SPICE?SimpleProtocolforIndependentputingEnvironment???P??Qumra?????Qumra??C?KVM?I????SPICE????????S?????1?QXL?6??2?SPICE?????3?QXL??????????????????????????????????????????????????????E??????????????????6.6.5SPICE?????????38????????????1??????????????????????????????????????????2??????????????????????????????QXL?6?3?QXL?6??QXL???QXL????????????????libspice???????????????????4??????????????????????????????5???????????QXL?????????6?????libspice?????????????????QXL?Red???????SPICE???????????SPICE????????7??????libspice?????????????????????????????????i???w?6.6.640???w3??oe??????????we??????????????w??c??e???????e???a?wtV?oe?r???f????w3??o??????????????????6s?M??H??f??C??x??????????????6s????????????????????????????????????????????????????????????????????6.6.741???????????????????????????????????????????????????????????????????????????6????????????????????????????????????????????????????????????????????Summary????????CPU/??????????????6.6.742?????????????????6??X????H???????????????????D??6????Hi?????????H??????????????6??????????????????????????????????????????????C???????H?t??????????????xC???????C??????????????????????H?t??????????????????????????r???????????????????????Summary??????????????????????6.744??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????6????????????????????????????????????????????????????????????????????????????????????????6??????????????????????6????????????????????????6.745Citrix?XenDesktop2.0?????????????????????????????????6????????????????????????????????????????????????????????????????????????ApplicationStreaming????????ApplicationVirtualization????????????????????????6.7.146???ApplicationStreaming