CN101132329A - Mobile virtual environment system - Google Patents
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Abstract
This invention relates to a mobile virtual environment system including a monitor layer, a virtual machine, a virtual environment task manager, a host operating system, a host applied program and foreground interfaces, which are structured on a current host and a target host separately and the current host can display the working environment of the target host to provide users familiar virtual working environments at different working spots.
Description
Technical field
The present invention relates to the general calculation entironment field in the computer science, particularly relate to a kind of mobile virtual environment system.
Background technology
In practical study, the researcher usually leaves the laboratory because of need of work, arrives other scientific research environment and carries on research.In this case, the researcher usually can face and the own very big scientific research environment of being familiar with of laboratory environment difference, thus urgently hope can set up familiar, towards the mobile scientific research environment of individual research.
Foundation has become the focus and the field, forward position of current international computer technical research and application based on the scientific activities environment of network environment, caused the great attention of external government, academia and industrial quarters, national governments set up great plan and project that network computing environment is researched and developed one after another.
At present, the research of the virtual environment system of combined with virtual machine technology is also at the early-stage, still immature, does not form a unified concept.
The SVGrid project of Univ Michigan-Ann Arbor USA (University of Michigan) has proposed a kind of safe virtual grid computing environment; in order to the file system of protection gridding computer and the attack that network is avoided the malice gridding application program; its working mechanism is assigned to gridding application program on one or more grid virtual machines, and the monitoring virtual machine that a special use is given in the related file system of these virtual machines and network service is finished.All like this files and network access request just must be submitted to the monitoring virtual machine, therefore security strategy is guaranteed, even the mode of this divide resource guaranteed the performance of a grid virtual machine and suffered damage, can not be got around or forbidden carrying out security strategy.This research has paid close attention to the assurance of introducing after the virtual machine technique to safety problem.
The computer laboratory of University of Tennessee in the U.S. (Middle Tennessee State University) being is is being researched and developed a kind of customizable portable virtual machine (CPVM), and static replication has been realized virtual laboratory environment in the above, the user has the computer of USB interface or ftp client can move this virtual machine by any, enter virtual research environment, it can provide compiler, desktop management and IDE as virtual opetrating system, and this result who duplicates and its breadboard hosted environment are quite similar.The deficiency of this project be can only be static this virtual laboratory environment of structure, can't accomplish " moving ".
The researcher of Univ Florida USA and Northwest University unites a kind of new method that has proposed grid computing, target is the implementation that changes traditional grid computing, promptly abstract aspect is mentioned on the operating system virtual machine from the operating system user, this method based on traditional operating system grade virtual machine and in distributed environment the middleware mechanism of managing virtual machines, it is abstract be gathered legacy operating system process and vm health file can dynamic instanceization and the virtual machine that moves.
The researcher of Univ Chicago USA (University of Chicago) and Argonne National Laboratory (Argonne NationalLaboratory) proposes the notion of virtual workspace, in grid environment, introduce two kinds of services: the virtual machine warehouse, for working space provides a management interface; Virtual machine manager is used to coordinate the application of virtual machine.This project more is considered as a kind of mesh services with this virtual workspace, and each space can only be specifically at a certain specific tasks, and for the different new task of resource requirement, can only rebuild and carry out, and can't accomplish universality.
Summary of the invention
The present invention promptly is devoted to satisfy pressing in this reality, a kind of mobile virtual environment system of combined with virtual machine technology has been proposed, its effect is on the employed current main frame of researcher, the operational environment of destination host is described, customizes, duplicates and presented, thereby provide a mobile virtual work environment system of being familiar with for the researcher.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of mobile virtual environment system is provided, it is implemented in respectively on current main frame and the destination host, makes current main frame can present the operational environment of destination host, it is characterized in that, comprise: monitoring layer, virtual machine, virtual environment task manager, host operating system, host application program and interface, foreground, wherein:
Monitoring layer directly runs on the physical hardware of current main frame, and it provides a virtual interface collection to the virtual machine on upper strata, carries out alternately with the physical hardware with bottom;
The carrier that virtual machine provides configuration and loads for mobile virtual environment system, it comprises territory 0 and territory U, creates automatically when territory 0 guides in system, its territory 0 control interface that relies on monitoring layer to provide is created and management domain U, and can carry out management role; Territory U is the real territory of using of user, and it is responsible for finishing the returning of reception, processing and result of specific tasks;
Host operating system is the operating system that operates on the monitoring layer, and it provides hosted environment information for mobile virtual environment system jointly in conjunction with the software resource that runs on wherein;
The virtual environment task manager is responsible for after mobile virtual environment system is built, guarantee that mobile virtual environment system is available for the task that the researcher submits to, can carry out and return results, this virtual environment task manager comprises local interface, remote interface, input interface and output interface, local interface is used for getting in touch with host operating system, remote interface is used for getting in touch with distance host, input interface is used to receive the task that submit at the interface, foreground, and output interface is used for task action result is returned the interface, foreground;
Host application program is the application program of moving on host operating system, and it is the important component part of hosted environment information;
The interface, foreground offers the graphic interface of customization virtual environment, and the interface that task is submitted to and the result returns.
Wherein, the virtual interface collection of described monitoring layer comprises virtual cpu, virtual memory, virtual disk, Microsoft Loopback Adapter etc.
Wherein, operation has the virtual environment controller in the described territory 0, by tasks such as the responsible customization of territory 0 control interface of monitoring layer, loadings to whole virtual environment, this virtual environment controller mainly comprises describer, customizer, loader and conveyer, and describer is responsible for describe environment information and the various software resources of typical case's portrayal generate description document; Customizer generates collocation strategy according to user's requirement and description document; Loader loads virtual machine according to collocation strategy; Conveyer is responsible for the collocation strategy of destination host is sent to current main frame, current main frame is also accepted the collocation strategy of destination host by conveyer, conveyer also loads the mutual of afterwards responsible and virtual environment task manager at mobile virtual environment system, with the functions such as distribution execution of finishing the work.
Wherein, described virtual environment task manager comprises distributor, it be responsible for to judge that mainly a concrete task consigns to actually that virtual machine itself is finished or needs to use other main frame or resources of virtual machine, if the virtual machine its other resources is enough finished this task, so just directly on the local virtual machine, be finished, the result is returned to the user from the interface, foreground; Otherwise needs use the local resource of current main frame, or submit to long-range destination host, and are complete by the resource that its scheduling is suitable for, and the result is returned to the interface, foreground.
Wherein, described territory U comprises customized software and task presentation layer, customized software is when creating this territory of configuration, customize the installed software resource by the virtual environment controller according to hosted environment information and user's request, when task is come interim, customized software participates in task executions task presentation layer and is responsible for the submission of task and returning of result, and passes through the interface, foreground to researcher's " as seen ".
With respect to prior art, the present invention has following beneficial effect:
Carry the method for personal workspace with respect to equipment such as utilizing portable terminal, the advantage of mobile virtual environment system is: the researcher need not to carry physics equipment, the fail safe of not responsible physical resource, and hand to safety and the reliability that network is responsible for transmitting data; Most important, because the portable terminal own resource is limit, some the large-scale calculations resources in original scientific research environment can't be carried by terminals such as notebook computers, cause the working space on it usually unavailable.And use can solve this problem by the cooperative mechanism of foundation and other virtual environments or main frame in conjunction with the mobile virtual environment system of network environment.
Description of drawings
Fig. 1 is the architecture of mobile virtual environment system;
Fig. 2 is the hierarchical structure of mobile virtual environment system;
Fig. 3 is the workflow of mobile virtual environment system;
Fig. 4 is the application scenarios of mobile virtual environment system.
Embodiment
The architecture of mobile virtual environment system
As shown in Figure 1, the architecture of mobile virtual environment system mainly is divided into following part: monitoring layer, virtual machine, virtual environment task manager, host application program, host operating system and interface, foreground.Wherein virtual machine mainly comprises territory 0 and territory U, and the carrier of configuration and loading is provided for mobile virtual environment system; Host operating system mainly provides initial hosted environment information.Below each critical piece shown in Fig. 1 is made an explanation.
Monitoring layer
Mobile virtual environment system is based on virtual machine technique, monitoring layer is the one deck that directly runs on the hardware, it provides a virtual interface collection (for example virtual cpu, virtual memory, virtual disk etc.) to the virtual machine on upper strata, carries out alternately with the physical hardware (processor, internal memory, disk etc.) with bottom.
Virtual machine is divided into two kinds of territories: territory 0 and territory U.Automatically create when territory 0 guides in system, it has special administration authority, can create and manage other more territory (territory U).It can carry out management role, comprise virtual machine dormancy, wake up and move or the like.But territory 0 is other territories of control and management directly, and territory 0 control interface that it must rely on monitoring layer to provide is finished the work.And for this control interface, also only allow to be called by territory 0 visit, other territories do not have the authority visit to use this interface.Mobile virtual environment system is promptly visited the control interface of monitoring layer by territory 0, with the management whole system.Each functional module in the virtual environment controller of in territory 0, realizing, also have only by territory 0 control interface of monitoring layer could realize want the function that reaches.
The operating system that operates on the monitoring layer is called host operating system, provides hosted environment information for mobile virtual environment system jointly in conjunction with the software layer resource that runs on wherein.If this main frame is a destination host, its hosted environment information is exactly one of researcher main reference source when customizing personalized mobile virtual environment system and generating collocation strategy so.
The virtual environment controller
The virtual environment controller is one of key components of mobile virtual environment system, operates in the territory 0, by tasks such as the responsible customization to whole virtual environment of the control interface of monitoring layer, loadings.It mainly comprises describer, customizer, loader and conveyer.Describer is responsible for describe environment information and the various software resources of typical case's portrayal; Customizer and loader load virtual machine according to researcher's requirement or collocation strategy; Conveyer is responsible for needed collocation strategy is sent to current main frame, and loads the mutual of afterwards responsible and task manager at mobile virtual environment system, with the functions such as distribution execution of finishing the work.
The virtual environment controller mainly is responsible for the space customization and the loading work in early stage.The work that wherein customizes is mainly finished by describer and customizer, loads and is mainly finished by customizer and loader.
Describer at first will be described the execution environment of destination host, and this comprises the information such as version of operation system, and the information of some popular softwares.These descriptors of portrayal by typification obtain the description document of destination host describe environment, and offer customizer, supply researcher's reference, select to generate last collocation strategy.
Customizer mainly is in conjunction with description document and the personalized selection of researcher, obtains the basic configuration information of virtual machine, finally generates the collocation strategy of virtual environment.Because listed software resource might not be researcher's necessary software resource in this research activities in the description document, the software resource that the researcher can select needs to use according to the actual demand of this research activities has so just reached the purpose of as far as possible simplifying collocation strategy.
Customizer mainly is according to description document and researcher's actual selection, generates last collocation strategy, and offers loader and conveyer.Loader comes the configuration virtual environment with it, and current host request transmission configuration strategy is sent to collocation strategy by network the conveyer of current main frame by the conveyer of destination host.
Loader starts virtual machine according to the demand assignment respective virtual machine resource (size of virtual memory, the capacity of virtual disk etc.) of collocation strategy by the researcher, and selects to install corresponding software resource according to collocation strategy.
The virtual environment task manager
The virtual environment task manager is another key components of mobile virtual environment system, it mainly is responsible for after mobile virtual environment system is built, guarantee that it is available for the task that the researcher submits to, can carry out and return results.
By using the virtual environment task controller, the researcher can erect a mobile virtual environment system based on virtual machine statically, but this virtual environment is limited to the limited resources of self virtual machine carrier, can only finish the simple task that relates to less resource, promptly can directly complete task on self virtual machine.This is very inconvenient for the researcher, or even disabled.Actual research work usually relates to large-scale data computation, and uses large-scale software or hardware resource to finish.In this case, the mobile virtual environment system of building can not only be static operational environment for the researcher, it should be able to be connected with rich in natural resources more, as linking together by network with current main frame and destination host, more rich in natural resources is used for oneself on each main frame thereby can dispatch and use, to finish the complex task that the researcher may submit to.
The core part of virtual environment task manager is a distributor, and it be responsible for to judge that mainly a concrete task consigns to actually that virtual machine itself is finished or needs to use other main frame or resources of virtual machine.If the virtual machine its other resources is enough finished this task, so just directly on the local virtual machine, be finished, the result is returned to the researcher from the interface, foreground; Otherwise needs use the local resource of current main frame, or submit to long-range destination host, and are complete by the resource that its scheduling is suitable for, and the result returned to the interface, foreground of mobile virtual environment system.
Based on the function of distributor, the function of each several part part comprises in addition:
Input interface mainly is the submission interface that task is provided for the researcher, and the interface, foreground is submitted to distributor by it with task, is carried out wherein by its decision; No matter local or long-range, after task was finished, the result who obtains outputed to the interface, foreground by output interface, promptly returned to the result that researcher's task executes.
Local and remote interface all be with the virtual environment controller in conveyer cooperate to realize function, if executing the task, the distributor decision needs the participation of local host software resource, so just task is submitted to local host, execute the task by the local host resource that its scheduling is necessary by local interface and conveyer; If judging, distributor still can not finish the work in conjunction with the participation of last local host software resource, also need the resource on the distance host, so just task is submitted to distance host, execute the task by the distance host resource that its scheduling is necessary by remote interface and conveyer.
Interface, mobile virtual environment system foreground
Interface, mobile virtual environment system foreground is the interface that the researcher can see, it has shielded all details when task is carried out on the backstage.For the researcher, they also do not know that own being submitted to of task still is to finish at the local virtual machine specifically on distance host, be that the task executions process is " transparent " for it, mobile virtual environment system will guarantee that just the researcher obtains the task executions result in the sustainable time.
Before mobile virtual environment system is built, the researcher is faced on current main frame is interface about the customizing virtual environment, the researcher can be according to the hosted environment information of destination host, hobby and needs according to oneself are selected suitable hardware and software resource, finally generate the individualized collocation strategy of mobile virtual environment system.
After playing the needed mobile virtual environment system of researcher according to the collocation strategy load configurations, the researcher just can see therein that the virtual environment that can submit task to carries out the interface.The researcher submits to this interface with task, if task is a simple task, the researcher can obtain the task executions result soon; If complex task, need the participation of host resource, the researcher can utilize virtual environment to carry out other work after the submission task so, as carry out some and need the less task of resource, complex task is before automatically transferred to the backstage and is carried out, in case can immediately end product be returned to the researcher after being finished.
The hierarchical structure of mobile virtual environment system
Be the hierarchical structure schematic diagram of mobile virtual environment system as shown in Figure 2.IP network is nethermost one deck, and destination host and other requirements are duplicated the main frame (current main frame 1,2) that presents its virtual environment and coupled together by IP network, and sets up communication each other; On this basis, the virtual machine (virtual machine t, c1, c2, c3) that operates on each main frame makes up the virtual network that connects each other, can abstractly become this one deck of virtual network; Topmost one deck promptly is the mobile virtual environment system (mobile virtual environment system t, c1, c2, c3) that is presented on each virtual machine, and they form a big Virtual Space jointly, the research task of finishing of working in coordination with in this Virtual Space.
From Fig. 2 also as can be seen in the hierarchical structure of whole mobile virtual environment system task to the mapping relations of bottom material resources.This one deck in the Virtual Space, all mobile virtual environment systems that is loaded into destination host or current main frame are finished same task synergistically; And at the virtual network layer, the research task is mapped to various virtual resources, and they are mutual mutually by virtual network, to support finishing of upper strata task; At IP network layer, the various virtual resources on upper strata are mapped to relevant actual physical resources, and they are distributed by physical network and use, and finally finish the research task of Virtual Space layer.
The workflow of mobile virtual environment system
The key step of mobile virtual environment system workflow as shown in Figure 3.
When the researcher need be when current main frame be set up a mobile virtual environment system (system begins):
A) describer is collected the various resource informations of destination host environment, depicts the typical information of enough this environment of description, and offers customizer; If the conveyer of current main frame has been received the state information that destination host sends, need not describer so, and directly state information is offered customizer.
B) information that provides according to describer of customizer, and in conjunction with researcher's demand, generate collocation strategy and also offer loader and conveyer.
C) by territory 0 control interface of monitoring layer, loader loads virtual machine according to collocation strategy in the U of territory, and virtual environment promptly is presented among the U of territory, and the researcher can enter use, and so far virtual environment is finished to load and realized (system finishing).
When d) researcher uses virtual environment to carry out a certain task (task begins), if the virtual machine its other resources is enough carried out this task, the researcher just can obtain return results (task termination) soon.
E), so just transfer to task manager and decide this task of how carrying out if the virtual machine its other resources is not enough to finish this task.
F) if carry out data or the software resource that this task needs current main frame, task manager is just transferred to current main frame to this task and is finished, and return results; If the resource that current main frame provided still is not enough to carry out this task, task manager is just submitted to destination host to it, finishes this task by the suitable resource that destination host calls in the network environment, and returns execution result.When the researcher at the demonstration interface when seeing that task executions as a result, task implementation also end (task termination).
The application scenarios of mobile virtual environment system
The researcher can't use resources such as breadboard computer and used calculating thereof, storage, data because the actual needs of research task leaves the laboratory.Here, breadboard computer promptly is called destination host.
The researcher arrives new place, uses new computer, is called current main frame.The researcher faces new operational environment, but also wants with the operational environment on the own laboratory computer, meets the demands so just operational environment need be copied to current main frame from destination host, and promptly virtual environment moves.
Virtual environment mobile is actually that the IP network by bottom communicates between the virtual machine, and by the transfer of data of reality, the virtual environment that customization is good is duplicated again by virtual machine on another main frame and presented, as shown in Figure 4.Between two experimental situations, or say so and interrelate by IP network between current main frame and the destination host, satisfy researcher's needs, need turn to a virtual environment with the execution environment of destination host is virtual, and copy to current main frame by Network Transmission, and load configurations presents on the good virtual machine loading.
The researcher leaves familiar laboratory research environment and destination host, arrive new research environment, what at this moment he faced is a unfamiliar research environment and current main frame, but still wants in this new research environment to continue to use the laboratory research environment be familiar with and the various connection resources on the destination host 1..
Destination host at first promptly loads a virtual machine and is configured by the main frame execution environment, obtain virtual environment that the researcher wants 2., then 3. the environmental state information of this virtual machine is sent to current main frame, the virtual machine that has loaded by the automatic configuration of current main frame, obtain and the identical virtual machine execution environment of virtual machine environment on the destination host, promptly obtained mobile virtual environment system that the researcher wants 4..
The researcher enters this virtual environment, the execution environment that promptly enters familiar destination host 5., but this is a kind of virtualized presenting, after virtual environment is finished and is moved, also need to finish research work synergistically, make it finally can operate executable research environment for one of researcher Lai Shuoshi with other virtual environment or other main frames are Network Based.
In fact this process promptly shows as virtual environment system on virtual network this " moving " 6. be still by the physical network of bottom and realize.
Claims (5)
1. mobile virtual environment system, it is implemented in respectively on current main frame and the destination host, makes current main frame can present the operational environment of destination host.It is characterized in that, comprise monitoring layer, virtual machine, the virtual environment task manager, host operating system, host application program and interface, foreground, wherein:
Monitoring layer directly runs on the physical hardware of main frame, and it provides a virtual interface collection to the virtual machine on upper strata, carries out alternately with the physical hardware with bottom;
The carrier that virtual machine provides configuration and loads for mobile virtual environment system, it comprises territory 0 and territory U, creates automatically when territory 0 guides in system, its territory 0 control interface that relies on monitoring layer to provide is created and management domain U, and can carry out management role; Territory U is the real territory of using of user, and it is responsible for finishing the returning of reception, processing and result of specific tasks;
Host operating system is the operating system that operates on the monitoring layer, and it provides hosted environment information for mobile virtual environment system jointly in conjunction with the software resource that runs on wherein;
The virtual environment task manager is responsible for after mobile virtual environment system is built, and guarantees that mobile virtual environment system is available for the task that the researcher submits to, can carry out and return results.This virtual environment task manager comprises local interface, remote interface, input interface and output interface, local interface is used for getting in touch with host operating system, remote interface is used for getting in touch with distance host, input interface is used to receive the task that submit at the interface, foreground, and output interface is used for task action result is returned the interface, foreground;
Host application program is the application program of moving on host operating system, and it is the important component part of hosted environment information;
The interface, foreground offers the graphic interface of customization virtual environment, and the interface that task is submitted to and the result returns.
2. mobile virtual environment system as claimed in claim 1 is characterized in that, the virtual interface collection of described monitoring layer comprises virtual cpu, virtual memory, virtual disk, Microsoft Loopback Adapter etc.
3. mobile virtual environment system as claimed in claim 1, it is characterized in that, operation has the virtual environment controller in the described territory 0, by tasks such as the responsible customization of territory 0 control interface of monitoring layer, loadings to whole virtual environment, this virtual environment controller mainly comprises describer, customizer, loader and conveyer, and describer is responsible for describe environment information and the various software resources of typical case's portrayal generate description document; Customizer generates collocation strategy according to user's requirement and description document; Loader loads virtual machine according to collocation strategy; The conveyer of destination host is responsible for collocation strategy is sent to the conveyer of current main frame, and conveyer also loads the mutual of afterwards responsible and virtual environment task manager at mobile virtual environment system, with the functions such as distribution execution of finishing the work.
4. mobile virtual environment system as claimed in claim 1, it is characterized in that, described virtual environment task manager comprises distributor, it be responsible for to judge that mainly a concrete task consigns to actually that virtual machine itself is finished or needs to use other main frame or resources of virtual machine, if the virtual machine its other resources is enough finished this task, so just directly on the local virtual machine, be finished, the result is returned to the user from the interface, foreground; Otherwise needs use the local resource of current main frame, or submit to long-range destination host, and are complete by the resource that its scheduling is suitable for, and the result is returned to the interface, foreground.
5. mobile virtual environment system as claimed in claim 1, it is characterized in that described territory U comprises customized software and task presentation layer, customized software is when creating this territory of configuration, customize the installed software resource by the virtual environment controller according to hosted environment information and user's request, come temporarily when task, customized software participates in task executions; The task presentation layer is responsible for the submission of task and returning of result, and passes through the interface, foreground to researcher's " as seen ".
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| CN101430649B (en) * | 2008-11-19 | 2011-09-14 | 北京航空航天大学 | Virtual computation environmental system based on virtual machine |
| CN102362258A (en) * | 2009-01-23 | 2012-02-22 | 惠普开发有限公司 | Verifying virtual machines |
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| CN101430649B (en) * | 2008-11-19 | 2011-09-14 | 北京航空航天大学 | Virtual computation environmental system based on virtual machine |
| CN101419535B (en) * | 2008-11-19 | 2010-07-14 | 北京航空航天大学 | Distributed virtual magnetic disc system of virtual machine |
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