CN105099997A - Virtual infrastructure-based multimedia desktop delivery method and system - Google Patents
Virtual infrastructure-based multimedia desktop delivery method and system Download PDFInfo
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Abstract
The present invention discloses a virtual infrastructure-based multimedia desktop delivery method and system. The system is composed of a virtual desktop infrastructure (VDI) system, a diskless workstation system and a unified storage system. According to the present invention, by utilizing the common ground that the VDI system and the diskless workstation system both adopt the network storage, and by unifying the two storage formats at a VDI system background, the situations that the VDI desktop delivery is supported, and the diskless desktop delivery is also supported; a same one system mirror image can be delivered to the diskless terminals of different hardware configurations; and the VDI system background desktop starting and the terminals adapt automatically, can be realized. According to the present invention, by integrating the advantages of the VDI system and the diskless workstation system, the situations that the demands of the heavy duty applications, such as the graphic images, the 3D, the multimedia, etc., can be supported effectively in the VDI system, and the same desktop of users can be operated as a VID desktop or a diskless desktop according to the demands, can be realized, thereby keeping a consistent usage environment. In addition, the VID desktop and the diskless desktop are supported simultaneously in a set of VDI system, so that the increased cost generated by that users need to purchase the diskless workstation system additionally can be saved, and the economic benefit is remarkable.
Description
Technical field
The invention belongs to virtual desktop architecture (VDI, VirtualDesktopInfrastructure) field, particularly a kind ofly combine multimedia desktop delivery method and the system of non-disk workstation based on virtual desktop architecture.
Background technology
Virtual desktop architecture (VDI, VirtualDesktopInfrastructure) be a kind ofly concentrate trustship with virtual desktop and pay as the server computing model of target, virtual desktop example is the virtual machine run for host with remote server or blade server, user, by the virtual machine of trustship on remote display protocol (as RDP, ICA, PCoIP, SPICE etc.) access remote server, obtains the experience that biconditional operation PC desktop is the same.
As shown in the principle schematic of Figure of description 1VDI software systems, VDI software systems comprise; VDI management end 101, one or more management of computing node 102, SAN storage system 103, remote desktop client 104 etc.Wherein, VDI management end 101 is in charge of computing node, storage, virtual machine life cycle management, user and rights management thereof etc.; Computing node 102 is responsible for receiving the supervisory instruction from VDI management end, comprises resources of virtual machine and distributes (calculating, internal memory, storage, Internet resources etc.), virtual machine life cycle management, storage administration etc.; SAN storage system 103 is responsible for VDI system and provides storage resources, is mainly used in the virtual disk of storage virtual machine; Remote desktop client 104 is responsible for connecting the virtual machine run on computing node, for user provides virtual desktop operating environment.
Virtual desktop architecture has advantage below compared with traditional IT system framework, comprising:
1) manage concentratedly.Concerning IT keeper, because virtual desktop is in server end centralized management, be easy to safeguard, be convenient to the changes in demand of rapid deployment, fast response user desktop;
2) convenience of desktop access is high.Concerning desktop user, can from any position (local area network (LAN) or wide area network), from any device access to the desktop of oneself, and be not only can only be visited by a certain equipment.User can visit oneself desktop by PC, notebook, Pad, thin client, also can in company, oneself the desktop of being in, accessing on the road;
3) Information Security is high.User interactions be only be positioned at the display of client, mouse, keyboard, and user data and calculating are all at server end, and this framework improves Information Security greatly;
4) TCO is low.VDI coordinates cloud terminal to use, and can significantly reduce TCO cost: cloud terminal not only low price but also low in energy consumption, green energy conservation, system TCO is low.
Although virtual desktop architecture possesses more advantages, in some application scenarios, also there are some defects, specific as follows:
1) there is peripheral hardware compatibility issue.VDI need be redirected and could be used local peripheral hardware at remote desktop by peripheral hardware, in addition, because peripheral hardware is of a great variety, often can encounter peripheral hardware and be redirected failed problem, have influence on the experience of user;
2) support bad to multimedia application.Heavy-duty applications for computational resource consumption-types such as video, 3D, virtual reality, graph and image processing is supported bad.Although can alleviate this problem by purchasing professional display device at server end, acquisition expenses is high on the one hand, and actual motion effect is also bad on the other hand.
At present, peripheral hardware problem that is compatible and multimedia application support is virtual desktop architecture to the major obstacle of industry and user development widely, and this is by its system architecture and know-why decision.In order to solve the problem to meet the demand of user to desktop virtual product better, need to seek other technologies means and help solve, non-disk workstation system is the common technology solved the problem at present.
Non-disk workstation system, generally refer to by web download and start the computer of disk mirroring work, the local hard disk not with hard disk or band of computer is less, use ICP/IP protocol, be connected with remote server by network initiation module, operating system Mirroring Mapping to local client computer, or is client network disk by down operation system image file, and then starts and operation system.
As shown in the starting pinciple schematic diagram of Figure of description 2 non-disk workstation system, non-disk workstation system comprises non-disk workstation 201, Dynamic Host Configuration Protocol server 202, tftp server 203 etc.Wherein, Dynamic Host Configuration Protocol server 202 is responsible for distributing IP address, non-disk workstation, sends the IP address information, network startup boot files name etc. of tftp server; Tftp server 203 is responsible for the boot files, system image etc. needed for the startup of non-disk workstation transmitting system.The network startup function of non-disk workstation 201 is realized by the PXE firmware of computer BIOS, and PXE technology is the industrial technology standard proposed by Intel Company.By opening the PXE option that computer BIOS is arranged, non-disk workstation 201 will enter PXE firmware module and run after starting shooting.Non-disk workstation 201 by DHCP agreement and Dynamic Host Configuration Protocol server 202 obtains alternately self and tftp server IP address, obtain network startup boot files name, then from the system image file needed for tftp server 203 download network starting factor file and startup.
Compared with VDI software, non-disk workstation system tool has the following advantages:
1) computational load is balanced.Non-disk workstation system can make full use of the computational resource such as CPU, internal memory of client, the computational load of shunting server end.And the load of server end mainly concentrates on network and disk;
2) better multimedia performance.Non-disk workstation client can make full use of the multimedia hardware of local CPU, video card, sound card, shows better multimedia performance;
3) better peripheral hardware support.Non-disk workstation client can directly access all peripheral hardwares, without the need to device redirection;
4) manage concentratedly.The same with VDI, non-disk workstation system has centralized management and Information Security advantage, can manage concentratedly without disc system mirror image, and only need upgrade at server end or dispose mirror image, client can automatically switch to up-to-date mirror image, convenient and swift;
5) Information Security.Non-disk workstation system image is positioned at server end, provides mirror image to client by read-only or snap shot, has certain Information Security.
But, non-disk workstation system also has oneself shortcoming, such as:
1) start storm and offered load heavier.When non-disk workstation starts and at run duration, there will be larger network traffic data, cause non-disk workstation to start and slowly even stagnate;
2) linked office is sex-limited.Non-disk workstation system can only be confined to use under LAN environment, cannot support for the application across wide area network.
In sum, VDI system and non-disk workstation system all cannot solve separately all application problems that user faces, if can be put together by the advantage of technological means by two systems, and well can combine with virtual technology framework, it will be a perfect solution.
Summary of the invention
The invention discloses a kind of multimedia desktop delivery method based on Intel Virtualization Technology framework and system, using the network storage as integration basis, same system image (or virtual machine virtual disk) both can the mode of VDI desktop be paid, non-disk workstation mode can pay again, user's desktop can be realized at VDI desktop, without the switching as required between tray-top table face simultaneously.
Based on a multimedia desktop delivery system for Intel Virtualization Technology framework, as shown in Figure 3, comprise: VDI system 301, non-disk workstation system 302 and unified storage system 303.VDI system 301 is for realizing virtual desktop life cycle management, computing node management, storage administration, user authority management etc.Non-disk workstation system 302, for mutual with Dynamic Host Configuration Protocol server, tftp server, obtain system starting factor file and system image, realizes backstage mirror image and run on non-disk workstation, support payment and the operation of multimedia desktop.Unified storage system 303, for realizing virtual machine virtual disk and storing without the merging of disc system mirror image, makes a system image both can consign to virtual machine and runs, can consign to again non-disk workstation and run, thus realize the consistency of user's desktop environment.
Unify storage virtual machine virtual disk, a method without disc system mirror image, the method at least comprises following steps:
1) support iSCSI(InternetSmallComputerSystemInterface is set at VDI system background storage administration interface) store and logical volume management (LVM, LogicalVolumeManager);
2), when creating virtual machine virtual disk, select establishment logical volume (LV, LogicalVolume), memory allocated space, for the startup of virtual machine;
3) also logical volume above can be encapsulated into a virtual disk by iSCSI encapsulation tool, then by iSCSI mapping tool, the virtual disk of establishment be become a local iscsi target disk in client.Thus network startup can be passed through based on the logical volume that this target disk is corresponding in non-disk workstation.
This system also comprises a kind of extraction and introduction method of physical machine trawl performance, is used for from the hardware driving needed for the extraction of non-disk workstation and derives driving bag; Then run a virtual machine, in virtual machine, import this driving bag.Make like this to import the virtual machine driving bag, normally can run on the non-disk workstation of extracting driving bag.The method at least comprises the following steps:
1) select a non-disk workstation client computer as masterplate machine, installing operating system, install and drive.Client computer for same hardware configuration can use a masterplate, prepares a masterplate machine so only need to the computer of often kind of different hardware configurations;
2) on masterplate machine, run the activation bit driving extracting tool extraction to be correlated with and above-mentioned activation bit output is wrapped for driving;
3) in VDI virtual machine, run driving import tool, from driving bag, driving file is imported to suitable position.
This system also comprises a kind of method that desktop pays automatic adaptation, in VDI virtualization software system background, can realize the automatic adaptation of user's desktop according to desktop connection request, and runs background desktop according to the desktop of user's request.The method at least comprises the following steps:
1) on VDI software systems backstage, judge that desktop pays form by desktop connection and user authentication link;
2) carry out user rs authentication by VDI remote display protocol client's side link to backstage if be judged as, then the desktop that automatic adaptation is current pays form is VDI desktop.Be connected to backstage if be judged as by non-disk workstation and carry out user rs authentication, then it is non-disk workstation desktop that the desktop that automatic adaptation is current pays form.
accompanying drawing illustrates:
Fig. 1 is VDI desktop virtual system schematic diagram;
Fig. 2 is non-disk workstation System Working Principle figure;
Fig. 3 is unified virtual machine and without disc system mirrored storage schematic diagram;
Fig. 4 extracts the flow chart that non-disk workstation trawl performance imports virtual machine;
Fig. 5 is VDI virtual machine desktop and without tray-top table face Booting sequence figure;
Fig. 6 is the flow chart that VDI background service automatic adaptation switches desktop;
embodiment:
Be clearly and completely described the technical scheme in the embodiment of the present invention below in conjunction with the accompanying drawing in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belong to the scope of protection of the invention.
Embodiment 1, unified the file layout of VDI virtual machine, non-disk workstation mirror image on backstage by iscsi target mapping block.
As Figure of description 3 unification virtual machine with without disc system mirrored storage schematic diagram.This system comprises: virtual machine 301, non-disk workstation 302 and unified storage system 303.Unified storage system 303 is responsible for storing and providing shared virtual disk/logical volume 304, and iSCSI mapping block 306 is wherein responsible for virtual disk/logical volume 304 to become iscsi target disk 305.Virtual machine connects iscsi target disk 305 by iSCSI initializers and accesses magnetic disk of virtual machine, and non-disk workstation connects the virtual disk mirror image 304 in iscsi target disk 305 directs network by PXE thus starts the operating system.This process comprises following steps:
Step 1: when giving virtual machine or creating memory space without disc system mirror image, can select to create virtual disk, or create logical volume (LV, LogicalVolume);
Step 2: use iscsi target mapping software that the virtual disk created in step 1 or logical volume are become target disk, makes the virtual disk on backstage or logical volume by network by the client-access of iSCSI;
Step 3: during virtual machine activation, connects iscsi target disk 305 by iSCSI client software, thus the virtual disk 304 of accesses virtual machine;
Step 4: when non-disk workstation starts, is connected iscsi target disk 305 by PXE, is positioned at the disk mirroring 304 on iscsi target disk, thus starts the operating system by netboot;
Above-mentioned steps 3, step 4 can be connected to same iscsi target disk 305, thus make to be positioned at the operating system on a virtual disk/logical volume 304, both can be run by virtual machine, also can be run by non-disk workstation.So just achieve core objective of the present invention: unified virtual machine and the storage without disc system mirror image, thus realize VDI desktop virtual and merge without the perfection of disc system.
Although by embodiment 1, unified VDI virtual machine and the storage without disc system mirror image.But when VDI virtual machine image being consigned to non-disk terminal and running, some trawl performance compatibility issues can be run into and cause non-disk workstation to start unsuccessfully.The following examples 2 are by the compatibility issue of responsible solution trawl performance.
Embodiment 2, extraction non-disk workstation (physical machine) trawl performance import virtual machine, and virtual machine image can be run on non-disk workstation.Its detailed step is as Figure of description 4:
Step 401: connect hard disk on the computer of non-disk workstation, installing operating system (operating system call is identical with the operating system of virtual machine), installs various hardware driving;
Step 402: on the computer of non-disk workstation, uses trawl performance extracting tool to extract relevant activation bit and exports as driving bag;
Step 403: the trawl performance information extracted in step 402 is imported to Driver Library;
Step 404: in VDI desktop virtual system, creates virtual machine, distributes the various resources such as CPU, internal memory, network, disk;
Step 405: in VDI desktop virtual system, start virtual machine, installing operating system, or from operating system masterplate copy function system;
Step 406: in VDI desktop virtual system, the virtual machine created to above-mentioned steps carries out subscriber authorisation operation, makes authorized user can use this virtual machine;
Step 407: authorized user connects this desktop of login by RDP;
Step 408: in VDI desktop virtual system, uses and drives import tool, and driving bag step 402 extracted imports virtual machine, or directly from Driver Library, the driving bag of correspondence is imported virtual machine.
The interface card driving extracted in step 402, is applicable to a collection of non-disk workstation of same hardware configuration.The non-disk workstation if want, a virtual machine image being consigned to multiple different hardware configurations starts, and needs repeated execution of steps 401,402,408 to the non-disk workstation of each hardware configuration.
By embodiment 1, embodiment 2, although solve the normal operation of virtual machine image on non-disk workstation completely, but the restriction still having some to use needs to solve: owing to having unified virtual machine and without disc system mirror image, also make the use of this mirror image needs to carry out mutual exclusive restrict, namely virtual machine, non-disk workstation can only be run in one way within the same period.The following examples 3 are by head it off.
Embodiment 3, start-up mode at VDI desktop virtual system backstage automatic adaptation desktop, realize virtual machine desktop and the switching without tray-top table face.
In the present system, user can select the operational mode of oneself desktop as required flexibly: VDI desktop operational mode or without tray-top table face operational mode, and system background can complete the automatic adaptation of desktop according to the different modes connecting desktop.Divide VDI desktop delivery process below, introduce adaptation and the switching of desktop without tray-top table face delivery process and desktop aptamer flow process three flow processs in detail.
1, VDI desktop delivery process, as shown in Figure of description 5:
1) user is according to user demand, determines to start VDI desktop;
2) directly start terminal equipment, enter operating system.Terminal herein can be thin client, also can be PC;
3) start remote display protocol client-side program in terminal operating system, the information such as input remote desktop address, user name, password, territory, then connect remote desktop;
4), after system background receives desktop connection request, user rs authentication and authentication is carried out;
5) after user authentication passes through, system background enters desktop aptamer flow process, determines the start-up mode of desktop, and starts desktop from backstage.Desktop aptamer flow process describes in detail after a while again;
6) remote display protocol client-side program connects the user's desktop started, and after successful connection, directly enter desktop, user can handle official business in remote desktop.
2, without tray-top table face delivery process, as shown in Figure of description 5:
1) user is according to user demand, determines to start without tray-top table face;
2) when first time starts without tray-top table face, after user starts terminal, need BIOS be entered, open PXE startupoptions, then preserve and exit, restart terminal;
3) after terminal is restarted, PXE netboot interface will be entered, begin through dhcp client automatic acquisition IP address, Dynamic Host Configuration Protocol server address, tftp server address, download PXE boot files from tftp server, start PXE;
4), after PXE starts, enter user rs authentication interface, input the information such as user name, password, territory, be sent to backstage and carry out user rs authentication.PXE sends to the authorization information on backstage also to comprise IP address, MAC Address;
5), after system background receives desktop connection request, user rs authentication and authentication is carried out;
6) after background user certification is passed through, according to subscriber authorisation, obtain and distribute to the virtual machine of user and the positional information of virtual disk thereof.Then automatically generate on backstage with the booting script file of the PXE of MAC Address name.
7) terminal PXE receives user rs authentication by after message, downloads PXE booting script, mate correct script file according to the MAC Address of terminal from tftp server.After download completes, the list of display user desktop, selects for user;
8) user selects a desktop, and system background enters desktop aptamer flow process, determines the start-up mode of desktop, and starts desktop from backstage.Desktop aptamer flow process describes in detail after a while again;
9) PXE guides user's desktop operating system by network remote, and after os starting success, user can handle official business in without tray-top table face.
The process of the generation PXE booting script mentioned in above-mentioned steps 6 is as follows:
A) to each virtual machine, its virtual disk is configured to an iscsi disk;
B) drive of this magnetic disk of virtual machine is written to PXE booting script, makes it can be guided by network remote;
If c) user only has a virtual machine, booting script generates and terminates.If user has multiple virtual machine, forward step a) to and continue to perform, until by all virtual machines to joining booting script.
3, desktop aptamer flow process, as shown in Figure of description 6:
1) system background judges when user rs authentication: authentication request is from PXE, or from remote display protocol client;
2) if request is from PXE, 3 are gone to step).If request, from remote display protocol client, goes to step 8);
3) determine that user asks desktop to be paid according to without tray-top table surface model.Judge whether the desktop of user runs: if in operation, go to step 4); If do not run, go to step 6);
4) point out user whether to close the desktop run, go to step 5 if close), go to step 7 if do not close);
5) the current user's desktop run is closed;
6) marking user's desktop is non-disk startup pattern, sends the adaptive successful information of desktop, so that PXE starts without tray-top table face to PXE;
7) the adaptive failure of desktop, exits desktop aptamer flow process;
8) determine that user asks desktop to be paid according to VDI desktop.Judge whether the desktop of user runs: if in operation, go to step 9); If do not run, go to step 12);
9) judge whether current user's desktop running is VDI desktop: if not, go to step 9); If so, 13 are gone to step);
10) point out user whether to close the desktop run, go to step 11 if close), go to step 13 if do not close);
11) the current user's desktop run is closed;
12) marking user's desktop is VDI start-up mode, starts virtual machine, to the adaptive successful information of remote terminal feedback desktop;
13) the adaptive failure of desktop, exits desktop aptamer flow process.
By embodiment 1,2,3, the mirror image solving VDI virtual machine and non-disk workstation respectively unifies storage problem, virtual machine image consigns to trawl performance compatibility issue, VDI desktop and without the adaptation under tray-top table face mutual exclusion ruuning situation and switching problem when non-disk workstation is run, the solution of the problems referred to above, makes VDI desktop virtual system and non-disk workstation system can perfectly merge with integrated.
Present invention incorporates the advantage of VDI system and non-disk workstation system, thus can provide a set of to user and can support the heavy-duty applications such as video, voice, 3D graph image, the solution of desktop can be paid again under local area network (LAN) and wan environment.The same desktop of user, can run with VDI desktop as required, also can run according to without tray-top table face, maintain consistent environment for use; In addition, by supporting VDI desktop inside set of system simultaneously, without tray-top table face, the software acquisition cost of user can significantly be saved.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, storage medium can comprise: read-only memory (ROM, ReadOnlyMemory), random access memory (RAM, RandomAccessMemory), disk or CD.
A kind of multimedia desktop delivery method based on virtual architecture provided the embodiment of the present invention above and system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Simultaneously for one of ordinary skill in the art, thought of the present invention at one stroke, all can change in specific embodiments and applications and point out, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the multimedia desktop delivery system based on Intel Virtualization Technology framework, it is characterized in that, comprise VDI system, non-disk workstation system and unified storage system three part, wherein VDI system is for realizing the life cycle management, computing node management, storage administration, user authority management etc. of virtual desktop; Non-disk workstation system, for mutual with Dynamic Host Configuration Protocol server, tftp server, obtain system starting factor file and system image, realizes backstage mirror image and run on non-disk workstation, support payment and the operation of multimedia desktop; Unified storage system, for realizing virtual machine virtual disk and storing without the merging of disc system mirror image, makes a system image both can consign to virtual machine and runs, can consign to again non-disk workstation and run, thus realize the consistency of user's desktop environment.
2. based on a multimedia desktop delivery method for Intel Virtualization Technology framework, it is characterized in that, the automatic adaptation of user's desktop can be realized according to desktop connection request, and run corresponding background desktop according to the table-top type of user's request.
3. unified storage system as claimed in claim 1, is characterized in that, achieves unified storage virtual machine virtual disk and without disc system mirror image, concrete implementation method at least comprises following steps:
1) support iSCSI(InternetSmallComputerSystemInterface is set in the storage administration part of VDI system) store and logical volume management (LVM, LogicalVolumeManager);
2), when creating virtual machine virtual disk, select establishment logical volume (LV, LogicalVolume), memory allocated space, can be used for the startup of virtual machine;
3) also logical volume above can be encapsulated into a disk file by iSCSI encapsulation tool, then by iSCSI mapping tool, disk file be become an iscsi target disk in client;
4) network startup is passed through based on this iscsi target disk in non-disk workstation.
4. desktop delivery method as claimed in claim 2, it is characterized in that, first need to realize extraction that virtual machine drives and import to the driving of non-disk workstation image file, so just can make to import the virtual machine driving bag, normally can run in the non-disk workstation client computer extracting driving bag.
5. a kind of multimedia desktop delivery method based on Intel Virtualization Technology framework as claimed in claim 2, it is characterized in that, the method at least comprises the following steps:
1) in VDI system background, judge that desktop pays form by desktop connection and user authentication link;
2) carry out user rs authentication by VDI remote display protocol client's side link to backstage if be judged as, then the desktop that automatic adaptation is current pays form is VDI desktop;
3) connect VDI backstage by PXE if be judged as and carry out user authentication, then automatic adaptation current desktop pays form is without tray-top table face.
6. the extraction that drives of virtual machine as claimed in claim 4 and importing to the driving of image file, it is characterized in that, the method at least comprises the following steps:
1) select a non-disk workstation client computer as masterplate machine, installing operating system, install and drive, the client computer for same hardware configuration can use a masterplate, prepares a masterplate machine so only need to the computer of often kind of different hardware configurations;
2) on masterplate machine, run the activation bit driving extracting tool extraction to be correlated with and above-mentioned activation bit output is wrapped for driving;
3) in VDI virtual machine, run driving import tool, from driving bag, driving file is imported to suitable position.
7. a kind of step 2 of the multimedia desktop delivery method based on Intel Virtualization Technology framework is further comprising the steps of as claimed in claim 5:
(1) when judging desktop connection request, whether this desktop runs;
(2) if current desktop is in closed condition, then start virtual machine, consign to user according to VDI desktop form, and record current desktop pay form be VDI desktop;
(3) if current desktop is in running status and delivery mode is VDI desktop, then directly this desktop is consigned to desktop connection request, desktop successful connection;
(4) if current desktop be in running status and delivery mode for without tray-top table face, because of VDI desktop and can only run a desktop example without the tray-top table face same time period, now VDI remote display protocol client need point out user, and whether positive closing is without tray-top table face;
(5) if user selects positive closing without tray-top table face, then backstage is closed automatically without tray-top table face, starts virtual machine afterwards, consigns to user according to VDI desktop form;
(6) if user selects not positive closing without tray-top table face, then the desktop connection request failure of VDI remote display protocol client.
8. a kind of step 3 of the multimedia desktop delivery method based on Intel Virtualization Technology framework is further comprising the steps of as claimed in claim 5:
(1) background user certification by time, obtain license to this user without tray-top table face connect list, generate PXE without tray-top table face startup menu, then feed back to non-disk terminal user rs authentication and pass through;
(2) when non-disk terminal receives user rs authentication by information, download PXE without tray-top table face start menu, for user select need startup without tray-top table face;
(3) when user selects startup one without tray-top table face, when judging desktop connection request, whether this desktop runs;
(4) if current desktop is in closed condition, then consign to user according to without dish Desktop mode, and record current desktop payment form is without tray-top table face;
(5) if current desktop is in operation and no matter delivery mode is without tray-top table face or VDI desktop, must PXE interface prompt user, the need of the current desktop run of positive closing;
(6) if user selects the current operation desktop of positive closing, then current operation desktop is closed on backstage automatically, consigns to user afterwards according to without tray-top table face form;
(7) if user selects the current operation desktop of not positive closing, then point out PXE without the failure of tray-top table face connection request.
9. the extraction of virtual machine driving as claimed in claim 6 and the driving steps for importing 2 to image file, it is characterized in that, the driving extracted from masterplate machine can be imported Driver Library, because Driver Library is the set that the driving of extracting from masterplate machine is formed, therefore pass through ATL, the driving of having extracted can directly use, without the need to extracting from masterplate machine again.
10. the extraction of virtual machine driving as claimed in claim 6 and the driving steps for importing 3 to image file, is characterized in that, when importing driving in VDI virtual machine, directly can import from Driver Library and installing associated drives.
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