CN103136000A - Method and system of providing application program for virtual machine - Google Patents

Abstract

The invention relates to a method and a system of providing an application program for a virtual machine. The method for providing the application program for the virtual machine comprises a step of receiving an application program opening instruct from a client side for opening a target application program, a step of distributing an available virtual machine according to the application program opening instruct, a step of finding a target application program execution file corresponding to the target application program from a plurality of candidate application program execution files stored in an execution file storage pool, a step of mounting the target application program execution file to the available virtual machine, and a step of executing a mounted target application program execution file through the available virtual machine.

Description

Method and system for providing application program on virtual machine

technical field

The present invention relates to a method and a system for providing a virtual machine, and in particular to a method and a system for providing an application program on a virtual machine.

Background technique

User interfaces on computers have undergone many changes over the years. Early character-based user interfaces, such as Microsoft's DOS interface, provide users with character input commands to execute application programs. Next, a Graphical User Interface (GUI) is developed to provide users with a more intuitive operation mode through graphical icons.

In recent years, the concept of virtual machines has begun to flourish. The user can initialize a virtual machine and store computer applications and data in the virtual machine, and then can access the initialized virtual machine on any computer anytime and anywhere. In this way, users can set up multiple virtual machines in one physical computer, and each virtual machine can be configured with different operating systems, different applications, different operating environments, and even store different data, just like having multiple virtual machines. computer.

When a user is operating a virtual machine, most of them can only execute the applications that have been installed on the virtual machine. When the virtual machine does not have the required applications installed, the virtual machine must be like a physical computer and install the required applications. program, quite inconvenient. Another solution is to initialize another virtual machine with all required applications installed on the physical computer, but this method still has quite a few disadvantages, for example, it may take more than several minutes to initialize another virtual machine , or the physical computer may not have an image file of the virtual machine with all required applications installed in advance, or the physical computer may not have enough resources to initialize an additional virtual machine.

The above-mentioned problems will be more serious in the cloud system. Because the cloud system often sets up quite a few virtual machines for many users to use, the cloud system only builds one or very few virtual machines for the convenience of management. Because many users often have a variety of needs, therefore, in order to meet the needs of most users, the virtual machines in the cloud system must install quite a few applications, so that each virtual machine will require quite a few Large resources, the entire cloud system will also consume too many hardware resources.

Contents of the invention

Therefore, one aspect of the present invention is to provide a method for providing an application program on a virtual machine, so that when the client wants to start the application program, the corresponding execution file can be mounted (mount) to a virtual machine for virtual machine execution. The method for providing an application program on a virtual machine includes the following steps:

(a) receiving an application opening command from a client to open a target application.

(b) Allocating an available virtual machine according to the application start instruction.

(c) Searching for a target application execution file corresponding to the target application from several candidate application execution files stored in an execution file storage pool.

(d) mounting the target application program execution file to an available virtual machine.

(e) Executing the mounted target application execution file through the available virtual machine.

Another aspect of the present invention is to provide a computer-readable recording medium storing a computer program for executing the above-mentioned method for providing an application program in a virtual machine. The flow of the method steps is as described above, and will not be repeated here.

Another aspect of the present invention is to provide a system for providing an application program on a virtual machine, which is used to mount the corresponding execution file to a virtual machine when the client wants to start the application program, for the virtual machine to execute. The system for providing application programs in the virtual machine includes an execution file storage pool, an instruction receiving module, a machine allocation module, an execution file search module and a mount module. The execution file storage pool stores several candidate application execution files. The instruction receiving module receives an application opening instruction from a client to open a target application. The machine allocating module allocates an available virtual machine according to the opening instruction of the application program. The execution file searching module searches for a target application execution file corresponding to the target application from the candidate application execution files stored in the execution file storage pool. The mounting module mounts the execution file of the target application program to an available virtual machine, and executes the mounted target application execution file through the available virtual machine.

The application of the present invention has the following advantages: when the user of the client terminal wants to execute an application program through the client terminal, the application program can be executed on the existing virtual machine. That is to say, even if the existing virtual machine is not installed with the application to be executed, the corresponding execution file can still be copied and mounted from the execution file storage pool, so that the existing virtual machine can execute the application that was not installed before . In other words, in the above situation, there is no need to additionally initialize a new virtual machine for an application that is not installed. That is to say, there is no need to install too many applications on the virtual machine, reducing the resources required to maintain each virtual machine, and saving the time required for initializing a new virtual machine. In addition, if multiple clients want to use the same application program, multiple corresponding execution files can be repeatedly copied and mounted for separate use by multiple different clients. Therefore, it can be avoided that the same application program cannot be used by multiple clients at the same time.

Description of drawings

In order to make the above and other objects, features, advantages and embodiments of the present invention more comprehensible, the accompanying drawings are described as follows:

FIG. 1 is a flowchart of a method for providing an application program on a virtual machine according to an embodiment of the present invention;

FIG. 2 shows a functional block diagram of a system for providing application programs on a virtual machine according to an embodiment of the present invention;

FIG. 3 is a functional block diagram of a system for providing application programs on a virtual machine according to another embodiment of the present invention.

[Description of main component symbols]

100: Method for Serving Applications on Virtual Machines

120～170: steps

200: A system that provides applications on virtual machines

210: Execution file storage pool

220: The execution file provides a pool

240: Virtual desktop providing module

250: Instruction receiving module

260: Machine Allocation Module

270: Executable file search module

280: Mount module

280a: Judgment

290: Information query module

300: resource monitoring module

400: Client

Detailed ways

The spirit of the present invention will be clearly illustrated with the accompanying drawings and detailed description below. Anyone with ordinary knowledge in the technical field, after understanding the preferred embodiments of the present invention, can make changes and modifications based on the techniques taught in the present invention. , but it does not depart from the spirit and scope of the present invention.

Please refer to FIG. 1 , which is a flowchart of a method for providing an application program on a virtual machine according to an embodiment of the present invention. The method of providing an application program on a virtual machine can be implemented through a system providing an application program on a virtual machine. When an application program is to be opened from a client through a virtual desktop, the corresponding execution file can be mounted to the system providing the virtual desktop. Virtual machine for execution by the virtual machine.

The method 100 for providing an application program on a virtual machine includes the following steps:

In step 120, an application opening instruction is received from a client to open a target application.

In an embodiment of the present invention, when the user of the client terminal intends to execute a target application program, the user of the client terminal can generate and transmit the application program start command by operating an application program of the client terminal for receiving in step 120 . In another embodiment of the present invention, a virtual desktop can be provided to the client, so that the user of the client can generate and send an application opening command by operating the virtual desktop for receiving in step 120 . In yet another embodiment of the present invention, a webpage can be provided to the client, so that the user of the client can generate and send an application program opening command by operating the webpage.

In some embodiments, the client terminal can be connected to the system for performing the method of the present invention via a wired or wireless communication network. In some other embodiments, the client can also be set in the same hardware as the system that executes the method of the present invention.

In step 130, an available virtual machine is allocated according to the application start instruction.

In an embodiment, an available virtual machine refers to a virtual machine that still has resources to provide client services, but it may or may not have an application corresponding to the application start instruction.

In an embodiment of the present invention, several candidate virtual machines may be provided, and each candidate virtual machine has corresponding resource information. Therefore, in an embodiment of step 130, it may be determined whether it is enough to mount and execute the target application execution file for allocation according to the resource information corresponding to each candidate virtual machine. For example, one or more virtual machines with enough resource information to mount and execute the target application execution file are found from several candidate virtual machines, and one of them is selected as an available virtual machine.

In another embodiment of the present invention, each candidate virtual machine also has a corresponding installed application. Therefore, in step 130, allocation can be further made according to whether each candidate virtual machine has a corresponding installed application program including the target application program, and whether the resource information corresponding to each candidate virtual machine is sufficient to execute the target application program. For example, when among the candidate virtual machines, the installed application program includes the target application program, if there are enough resources to execute the target application program, the candidate virtual machine with the target application program installed can be preferentially selected as an available virtual machine. When among the candidate virtual machines, the installed applications that include the target application do not have enough resources to execute the target application, the corresponding installed applications in the candidate virtual machine that do not contain the target application can be selected according to the Determine whether the corresponding resource information is sufficient to mount and execute the target application execution file, and further allocate, that is, find out one or several virtual machines with enough resource information to mount and execute the target application execution file, and select one of them One of them comes as an available virtual machine.

Further, step 130 can query the required resource information of the target application program according to the application program start instruction, such as the required computing resources, required memory space, required instruction set or other types of resources required information. Therefore, from several existing candidate virtual machines, one that meets the required resource information can be selected as an available virtual machine.

In a further step, the remaining resources of each candidate virtual machine can be monitored. Therefore, when step 130 is executed, among the candidate virtual machines, those whose remaining resources meet the required resource information (for example, those with enough remaining resources to provide the target application program) can be selected as available virtual machines.

In step 140 , a target application execution file corresponding to the target application is searched from several candidate application execution files stored in an execution file storage pool. In a preferred embodiment, the candidate application executable files stored in the executable file storage pool already conform to a virtual machine system environment of each candidate virtual machine, and there is no need to reinstall according to the environment parameters of each candidate virtual machine.

In an embodiment of the present invention, the candidate application executable files stored in the executable file storage pool can be directly executed in the virtual machine system environment of each candidate virtual machine. In another embodiment of the present invention, the candidate application executable files stored in the executable file storage pool can be executed in the virtual machine system environment of each candidate virtual machine after real-time compilation. In yet another embodiment of the present invention, the candidate application executable files stored in the executable file storage pool can be executed on an emulator, so as to be directly executed in the virtual machine system environment of each candidate virtual machine without Need to reinstall.

In step 150 , mount the target application executable file to the available virtual machine allocated in step 130 . In an embodiment of step 150, the executable file of the target application program may be linked or copied from the executable file storage pool to a shared space. Next, the target application execution file in the shared space is mounted to the available virtual machine allocated in step 130 .

In step 160 , the mounted target application execution file is executed by the available virtual machine allocated in step 130 . In this way, when the user of the client wants to execute the application program, the application program can be executed on the existing virtual machine. In addition, applying an embodiment of the present invention, even if the existing virtual machine is not installed with the application program to be executed, the corresponding execution file can still be copied and mounted from the execution file storage pool, so that the existing virtual machine can execute Applications that were not originally installed. In other words, in the above situation, there is no need to additionally initialize a new virtual machine because the application program is not installed. That is to say, there is no need to install too many applications in the virtual machine, and the resources required to maintain each virtual machine are reduced, and the time required for initializing a new virtual machine can be saved. In addition, if multiple clients want to use the same application program, multiple corresponding execution files can be repeatedly copied and mounted for separate use by multiple different clients. Therefore, it can be avoided that the same application program cannot be used by multiple clients at the same time.

Therefore, in step 170 , an execution screen of the execution file of the target application program that can be executed by the virtual machine can be displayed on a display of the client.

In addition, in an embodiment of the present invention, some executable files can be pre-mounted to available virtual machines. Therefore, the method 100 for providing an application program on a virtual machine may further include the following steps: when initializing the available virtual machine, mounting several default application execution files to the available virtual machine. Therefore, before step 150, it may be determined whether the target application execution file is included in the preset application execution files pre-mounted on the available virtual machine. Step 150 is executed when the pre-loaded default application execution file does not contain the target application execution file. When the pre-loaded default application execution file contains the target application execution file, step 150 is skipped and step 160 is continued. In this way, the time required for mounting can be further saved by pre-mounting the execution files of some commonly used programs.

Please refer to FIG. 2 , which shows a functional block diagram of a system for providing application programs on a virtual machine according to an embodiment of the present invention. When the client wants to open the application program through the virtual desktop, the system providing the application program in the virtual machine mounts the corresponding execution file to a virtual machine for execution by the virtual machine.

The system 200 for providing application programs in virtual machines mainly includes an execution file storage pool 210 , a command receiving module 250 , a machine allocation module 260 , an execution file search module 270 and a mount module 280 . Wherein, the instruction receiving module 250 , the machine allocation module 260 , the executable file finding module 270 and the mounting module 280 may be provided by the same or different processing components of the server.

The execution file storage pool 210 stores several candidate application execution files. The system 200 can also provide a number of candidate virtual machines already initialized. In an embodiment of the present invention, the executable file storage pool 210 may be implemented in a storage component of a server. In another embodiment of the present invention, the executable file storage pool 210 can be implemented by a storage cloud of the cloud system. In addition, the candidate application executable files stored in the executable file storage pool 210 conform to a virtual machine system environment of each candidate virtual machine, without reinstalling according to the environment parameters of each candidate virtual machine. In an embodiment of the present invention, the candidate application executable files stored in the executable file storage pool 210 can be directly executed in the virtual machine system environment of each candidate virtual machine. In another embodiment of the present invention, the candidate application executable files stored in the executable file storage pool 210 can be executed in the virtual machine system environment of each candidate virtual machine after just-in-time compilation. In yet another embodiment of the present invention, the candidate application executable files stored in the executable file storage pool 210 can be executed on an emulator, so that they can be directly executed in the virtual machine system environment of each candidate virtual machine without restarting Install.

When the user of the client 400 intends to execute a target application, the corresponding application start instruction can be generated by operating the client 400 . Therefore, the instruction receiving module 250 receives an application opening instruction from the client 400 to open the target application. In an embodiment of the present invention, the user of the client terminal 400 can generate and send an application program opening command through an application program of the client terminal 400 for the command receiving module 250 to receive. In another embodiment of the present invention, a virtual desktop providing module 240 of the system 200 can provide a virtual desktop to the client 400 . Thus, the user of the client 400 can generate and transmit an application program opening command by operating the virtual desktop for the command receiving module 250 to receive. The virtual desktop providing module 240 and the client 400 can be executed on the same electronic device. In addition, the virtual desktop providing module 240 can also provide the virtual desktop to the remote client 400 through a network. The virtual desktop providing module 240 can use a virtual desktop interface (Virtual Desktop Interface, VDI) to transmit the image of the virtual desktop to the client 400 to provide the virtual desktop. Then, the user of the client 400 can operate the virtual desktop displayed on the client 400 . In yet another embodiment of the present invention, a web page providing module of the system 200 can provide a web page to the client 400 . Therefore, the user of the client terminal 400 can generate and transmit an application program opening instruction by operating the webpage for the instruction receiving module 250 to receive.

The machine allocation module 260 allocates an available virtual machine according to the application start command. Wherein, the system 200 may further include several candidate virtual machines. Wherein, each candidate virtual machine has corresponding resource information. Therefore, the machine allocation module 260 can determine whether it is enough to mount and execute the target application executable file for allocation according to the resource information corresponding to each candidate virtual machine. Furthermore, each candidate virtual machine further has a corresponding installed application. Therefore, the machine allocation module 260 can perform allocation according to whether the candidate virtual machines have corresponding installed applications including the target application, and whether the resource information corresponding to each candidate virtual machine is sufficient to execute the target application. When among the candidate virtual machines, those whose installed applications include the target application do not have enough resources to execute the target application, the machine allocation module 260 selects from the candidate virtual machines which have corresponding installed applications but do not contain the target application. Or, according to its corresponding resource information, it is judged whether it is enough to mount and execute the target application executable file for distribution.

The execution file searching module 270 searches for the target application execution file corresponding to the target application from the candidate application execution files stored in the execution file storage pool 210 .

Next, the mount module 280 mounts the target application execution file to an available virtual machine. In an embodiment of the present invention, the mounting module 280 can link or copy the target application execution file from the execution file storage pool 210 to a shared space of the execution file providing pool 220, and enable the virtual machine to mount and execute Files provide pool 220 shared space. Then, the mounting module 280 executes the mounted target application execution file through the available virtual machine. The execution file storage pool 210 and the execution file supply pool 220 may be set in the same hardware device, or may be respectively set in different hardware devices. Next, the system 200 can provide an execution screen of the executable file of the target application that can be executed by the virtual machine to the client 400 so as to display the above execution screen on the display of the client 400 . In this way, when the user of the client 400 wants to execute the application through the client 400, the application can be executed on the existing virtual machine. In addition, applying an embodiment of the present invention, even if the existing virtual machine is not installed with the application program to be executed, the corresponding execution file can still be copied and mounted from the execution file storage pool 210, so that the existing virtual machine executes the original App not installed. In other words, in the above situation, there is no need to additionally initialize a new virtual machine because the application program is not installed. That is to say, there is no need to install too many applications on the virtual machine, and the resources required to maintain each virtual machine are reduced, and the time required for initializing a new virtual machine can be saved. In addition, if multiple clients 400 want to use the same application program, multiple corresponding execution files can be copied and mounted to provide multiple different clients to use separately, so as to avoid that the same application program cannot be used by multiple clients at the same time. use.

Please refer to FIG. 3 , which is a functional block diagram of a system for providing application programs on virtual machines according to another embodiment of the present invention. It should be understood that, in the following description, the content described in the above implementation manner will not be repeated, and only the technical content related to the update will be supplemented.

The system 200 for providing application programs on virtual machines can select a suitable virtual machine for execution according to resource information required for executing the application programs. Therefore, the system 200 for providing application programs on virtual machines may also include an information query module 290, which is used to query resource information required by the target application program, such as required computing resources and required memory, according to the application program start command. information about the space, required instruction sets, or other types of resources required. Therefore, the machine allocation module 260 can select a virtual machine that meets the required resource information from the candidate virtual machines provided by the system 200 as an available virtual machine. In addition, the system 200 for providing application programs on virtual machines may further include a resource monitoring module 300 for monitoring a remaining resource of each candidate virtual machine, such as remaining computing resources, remaining memory space, or other remaining resource information. Therefore, the machine allocation module 260 may select a candidate virtual machine whose remaining resources meet the required resource information as an available virtual machine.

In addition, the mounting module 280 can pre-mount several preset application execution files to available virtual machines. Therefore, before mounting the executable file of the target application program to the available virtual machine, a determiner 280a of the mounting module 280 can determine whether the executable file of the preset application program that has been pre-mounted on the available virtual machine contains the executable file of the target application program . When the pre-mounted default application execution file does not contain the target application execution file, the mounting module 280 mounts the target application execution file to an available virtual machine. When the pre-mounted default application execution file includes the target application execution file, the mounting module 280 does not additionally mount the target application execution file to the available virtual machine. In this way, the time required for mounting can be further saved by pre-mounting the execution files of some commonly used programs.

The method of providing an application program on a virtual machine can be implemented through a system providing an application program on a virtual machine, and each module in the system providing an application program on a virtual machine can be implemented using a unique hardware device with a specific logic circuit, such as the The computer program and more than one processor or chip are integrated into unique hardware. Furthermore, the data synchronization method can also be implemented through a general-purpose processor/computer/server and other hardware, so that the general-purpose processor/computer/server reads the recording medium storing the computer program and executes it on a virtual machine. method of the application. When the computer program is loaded and executed by a general-purpose processor/computer, the general-purpose processor/computer is used to participate in the system of the present invention, and the general-purpose processor/computer is similar to a unique hardware device with specific logic circuits. , to execute the operation steps of the method of the present invention.

Although the present invention has been disclosed above in terms of implementation, it is not intended to limit the present invention. Any skilled person can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection should be based on the scope defined by the appended claims.

Claims (18)

1. the method that application program is provided in virtual machine, is characterized in that, comprises:

(a) from client one an application program open command, in order to open a destination application;

(b) according to this application program open command, distribute an available virtual machine;

(c) carry out from one a plurality of candidate's application programs that the shelves storage pool has and carry out shelves, seek a destination application that should destination application is carried out shelves;

(d) this destination application of carry is carried out shelves to this available virtual machine; And

(e) carry out these destination application execution shelves of carry by this available virtual machine.

2. the method that application program is provided in virtual machine according to claim 1, it is characterized in that, the step of this application program open command is that an application program via this client produces and transmits this application program open command, provides a virtual desktop to produce and transmit this application program open command and provide a webpage to produce and transmit wherein arbitrary of this application program open command three to this client and via this webpage to this client and via this virtual desktop.

3. the method that application program is provided in virtual machine according to claim 1, is characterized in that, also comprises:

A plurality of candidate virtual machine devices are provided, and wherein each those candidate virtual machine utensil has corresponding resource information; And wherein, the step (b) that this distributes the available virtual machine is judge whether enough carries and carry out these destination application execution shelves and distribute according to resource information corresponding to those candidate virtual machine devices.

4. the method that application program is provided in virtual machine according to claim 3 is characterized in that:

Each those candidate virtual machine device also comprises having corresponding set up applications;

Step (b) is to have corresponding set up applications whether to comprise this destination application and resource information corresponding to those candidate virtual machine devices according to those candidate virtual machine utensils whether enough to carry out this destination application and distribute; And

In those candidate virtual machine devices, set up applications comprises this destination application person, when all not having enough resources can carry out this destination application, there is corresponding set up applications not comprise this destination application person from those candidate virtual machine utensils, judges whether enough carries and carry out these destination application execution shelves and distribute according to its corresponding resource information.

5. the method that application program is provided in virtual machine according to claim 3, is characterized in that, those candidate's application programs that this execution shelves storage pool has are carried out the virtual machine system environments that shelves meet each those candidate virtual machine device.

6. the method that application program is provided in virtual machine according to claim 1, is characterized in that, also comprises:

In a display of this client, show that this available virtual machine carries out this destination application and carry out one of shelves and carry out picture.

7. the method that application program is provided in virtual machine according to claim 1, is characterized in that, step (b) comprises:

According to this application program open command, inquire about a resource requirement information of this destination application; And

From a plurality of candidate virtual machine device selectors should resource requirement information person, as this available virtual machine.

8. the method that application program is provided in virtual machine according to claim 7, is characterized in that, also comprises:

Monitor a surplus resources of each those candidate virtual machine device;

Wherein from those candidate virtual machine device selectors should resource requirement information person, comprise as the step of this available virtual machine:

Select in those candidate virtual machine devices, its surplus resources meets this resource requirement information person, as this available virtual machine.

9. the method that application program is provided in virtual machine according to claim 1, is characterized in that, step (d) comprises:

Chain or copy this destination application from this execution shelves storage pool and carry out shelves to a Shared space; And

This destination application in this Shared space of carry is carried out shelves.

10. the method that application program is provided in virtual machine according to claim 1 is characterized in that:

The front a plurality of default application programs of carry that also comprise of step (a) are carried out shelves to this available virtual machine;

(d) is front in step, judges whether those default application programs execution shelves comprise this destination application and carry out shelves;

When those default application programs execution shelves do not comprise these destination application execution shelves, execution in step (d); And

When those default application programs are carried out shelves and are comprised this destination application and carry out shelves, execution in step (d) not.

11. the system that application program is provided in virtual machine is characterized in that, comprises:

One carries out the shelves storage pool, stores a plurality of candidate's application programs and carries out shelves;

One command reception module is from client one an application program open command, in order to open a destination application;

One machine assignment module according to this application program open command, is distributed an available virtual machine; And

One carries out shelves seeks a module, and those candidate's application programs that certainly should executions shelves storage pool have are carried out shelves, seeks a destination application execution that should destination application grade; And

One carry module, this destination application of carry is carried out shelves to this available virtual machine, carries out these destination application execution shelves of carry for this available virtual machine.

12. the system that application program is provided in virtual machine according to claim 11, it is characterized in that, this application program open command is that the application program via this client produces and transmits this application program open command, provides a virtual desktop to produce and transmit this application program open command and provide a webpage to produce and transmit wherein arbitrary of this application program open command three to this client and via this webpage to this client and via this virtual desktop.

13. the system that application program is provided in virtual machine according to claim 11 is characterized in that, also comprises:

A plurality of candidate virtual machine devices, wherein each those candidate virtual machine utensil has corresponding resource information; And

Wherein this machine assignment module is judge whether enough carries and carry out these destination application execution shelves and distribute according to resource information corresponding to those candidate virtual machine devices.

14. the system that application program is provided in virtual machine according to claim 13 is characterized in that:

Each those candidate virtual machine device also comprises having corresponding set up applications;

This machine assignment module is to have corresponding set up applications whether to comprise this destination application and resource information corresponding to those candidate virtual machine devices according to those candidate virtual machine utensils whether enough to carry out this destination application and distribute; And

In those candidate virtual machine devices, set up applications comprises this destination application person, when all not having enough resources can carry out this destination application, this machine assignment module has corresponding set up applications not comprise this destination application person from those candidate virtual machine utensils, judges whether enough carries and carries out these destination application execution shelves and distribute according to its corresponding resource information.

15. the system that application program is provided in virtual machine according to claim 11, it is characterized in that, this carry module provides this available virtual machine to carry out one of these destination application execution shelves and carries out picture to this client, with in a display of this client, shows this execution picture.

16. the system that application program is provided in virtual machine according to claim 11 is characterized in that, also comprises:

One information inquiry module according to this application program open command, is inquired about a resource requirement information of this destination application; And

Wherein this machine assignment module from those candidate virtual machine device selectors should resource requirement information person, as this available virtual machine.

17. the system that application program is provided in virtual machine according to claim 16 is characterized in that, also comprises:

One monitoring resource module is monitored a surplus resources of each those candidate virtual machine device; And

Wherein this machine assignment module is selected in those candidate virtual machine devices, and its surplus resources meets this resource requirement information person, as this available virtual machine.

18. the system that application program is provided in virtual machine according to claim 11, it is characterized in that, this carry module also comprises a plurality of default application programs of carry and carries out shelves to this available virtual machine, carry out shelves to this available virtual machine at this destination application of carry, judge whether those default application programs execution shelves comprise this destination application and carry out shelves, when those default application programs were carried out shelves and do not comprised this destination application and carry out shelves, this destination application of this carry module carry was carried out shelves to this available virtual machine.

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