CN103888530B - Experiment teaching system based on cloud desktop - Google Patents
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Abstract
The invention discloses a kind of experiment teaching system based on cloud desktop, including virtualized server resource pool, inside is provided with multiple physical servers, multiple virtual machines are installed, cloud tabletop experiments terminal is connected by desktop network switch with the physical server in virtualized server resource pool on each physical server；Master management server is connected by managing network switch with each physical server, and master management server is also connected with desktop network switch；Storage server is connected by storing network switch with each physical server；Each physical server is connected by application network switch with least one application server.The present invention is accessed and virtual machine technique with cloud Desktop Remote, effectively reduces hardware cost and maintenance cost, and the configuration needs for improving resource utilization cloud tabletop experiments terminal are low, and highly versatile, flexibility are strong；Improve the standardization of teaching Process of experiment and become more meticulous, and it is safe；Improve the supervisory capability of experimental teaching.
Description
Technical field
The present invention relates to a kind of experiment teaching system based on cloud desktop.
Background technology
At present, most of colleges and universities have been completed the construction of network infrastructure in terms of informatization, realize school
The internal interconnection of garden net and the interconnection of campus network and Internet, in such circumstances, the center of gravity of University Informatization gradually to
The aspects such as computer room, laboratory, multimedia classroom construction are shifted.
In terms of computer room, laboratory, multimedia classroom construction, current colleges and universities use traditional computer to dispose mould substantially
Formula, as each demand point are equipped with a computer hardware equipment and corresponding software systems.Because different majors need to make
Computer room, the laboratory of different soft and hardware environment, the content of courses that same specialty is constantly updated also tend to need continuous renewal machine
Room, the equipment in laboratory, and computer resource is limited, the computer course computer experiment room of Present College are typically all for multi-door
Course service, with being continuously increased for demand so that in real-world operation, the drawbacks of have more and more, it is embodied in：
（1）To meet the demand of different majors, more computer room, laboratory need to be built, be equipped with more experimental facilities, built
It is set as originally being continuously increased；
（2）In order to ensure computer room, the equipment in laboratory can normally run, it is necessary to increase more attendants and be safeguarded
Work, not only inefficiency, and improve the cost of daily management and maintenance；
（3）Because different majors are to the different demands of computing resource, the computing resource utilization rate such as CPU is general less than 15%,
Computing resource cannot be fully used, and cause serious waste；
（4）Because an experimental calculation machine needs to be many subject services in traditional experiment teaching pattern, in experimental teaching
Hold to the limitation of traditional experiment pattern, some have particular/special requirement to experimental situation（Such as multimachine, multiple operating system）Experiment
Mesh is forced to simplify or removes, the low degree that becomes more meticulous of teaching Process of experiment；
（5）Because student is operated in respective physical machine, it is impossible to realize the unified management of teaching process, experiment religion
The interactive and supervisory capability learned cannot get effective guarantee.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided one kind combines cloud Desktop Remote access technique and void
The experiment teaching system based on cloud desktop of plan machine technology, effectively reduces the construction cost and maintenance cost of experimental teaching, improves
Computing resource utilization rate；The calculating of desktop PC and storage resource are concentrated and is deployed in virtualized server resource pool, reduce cloud table
The configuration needs of face experimental terminal, highly versatile, flexibility are strong；Improve the standardization of teaching Process of experiment and become more meticulous, and peace
Quan Xinggao；Improve the supervisory capability of experimental teaching.
The purpose of the present invention is achieved through the following technical solutions：Based on the experiment teaching system of cloud desktop, it is wrapped
Include cloud tabletop experiments terminal, master management server, virtualized server resource pool, storage server and at least one application service
Device, is provided with multiple physical servers in virtualized server resource pool, multiple virtual machines, cloud are provided with each physical server
Tabletop experiments terminal as input-output equipment, by the physical services in desktop network switch and virtualized server resource pool
Device is connected, and realizes the remote control to virtual machine；Master management server is connected by managing network switch with each physical server,
For being managed collectively respectively to each physical server, scheduling of resource and operation monitoring, master management server is also connected with desktop
Network switch, the connection status to cloud tabletop experiments terminal and virtual machine is monitored treatment；Storage server is by storing net
Interchanger is connected with each physical server, for leaving the virtual machine file in each physical server concentratedly；Each physical server
It is connected with least one application server by application network switch, realizes the access of virtual machine application server.
Experiment teaching system based on cloud desktop also includes secure access gateway server and authentication LIST SERVER,
Secure access gateway server and authentication LIST SERVER are all connected to desktop network switch, have secure access to gateway server
For virtual machine provides unified remote access entrance, while the account behavior of the cloud tabletop experiments terminal to remotely accessing virtual machine
Recorded and controlled；Authentication LIST SERVER is used to store and certification the account for remotely accessing virtual machine.
Described cloud tabletop experiments terminal is included in multiple pc terminal, many thin client terminals and Duo Tai mobile terminals
One or more combination.
Described master management server includes that course experiment teaching manages subsystem and cloud computing virtualization architecture
System, course experiment teaching management subsystem is used for the overall process of management training coarse experimental teaching, cloud computing virtualization architecture
Subsystem is used to carry out physical server unified resource pool management and Dynamic resource allocation.
Described course experiment teaching management subsystem includes laboratory teaching management module, experiment management module, basic letter
Breath management module and system management module, laboratory teaching management module is including in course offered, experiment course scheduling management, experimental teaching
Hold management, laboratory student-directed, laboratory application, laboratory application approval, course register manage and resources material on descend
One or more functions submodule in load；Experiment management module includes that experimental machine Template Manager, experimental machine management, experiment are given lessons
With the one or more functions submodule in student's computer practice management；Basic information management module includes school's essential information, teaching
Unit setting, department's essential information, grade's essential information, class's essential information, teacher's essential information, student's essential information and reality
The one or more functions submodule tested in the essential information of room；System management module includes setting start to school date, Role Management, use
Family manages and the one or more functions submodule in log management.
Described cloud computing virtualization architecture subsystem includes that cloud desktop management module and resources of virtual machine pond manage
Module, cloud desktop management module includes in virtual desktop management, desktop Template Manager, terminal management and user's desktop management
Individual or multiple function sub-modules, resources of virtual machine pond management module include virtual pool management, Virtual Machine Manager, physical machine manage,
One or more functions submodule in the management of virtual machine template management, resource scheduling management, monitoring resource and mirror image.
The beneficial effects of the invention are as follows：
（1）Traditional physical machine is substituted as Experimental Instruction Environment using virtual machine, experiment computer room hardware construction is reduced
Cost and maintenance cost, reduce overall energy consumption, and multiple virtual machines are created on physical server, improve the money of physical server
Source utilization rate；
（2）It is reliable and stable using cloud Desktop Remote access technique and virtual machine technique, by the calculating of desktop PC and storage money
Source is concentrated and is deployed in virtualized server resource pool, and cloud tabletop experiments terminal is only used as input-output equipment, using inexpensive, low
The thin client of power consumption can also be used as cloud tabletop experiments terminal, and versatility, flexibility are strong, reduce cloud tabletop experiments terminal into
This；
（3）Support the unified standardized virtual machine template of making, or the different experiments Project settings of laboratory are not
The virtual machine template of biconditional operation system environments, solves disadvantage of the conventional physical PC as the public experimental situation of multi-door curriculum experiment
End, is conducive to further improving the standardization of experimental teaching and becomes more meticulous, and realizes Experimental Instruction Environment continuity and selectivity；
（4）Cloud tabletop experiments terminal is recognized with the communication transfer of physical server in virtualized server resource pool by safety
Card, it is ensured that remote-operated high safety；
（5）Unified management, scheduling of resource and the operation monitoring of each physical server are realized by master management server, is carried
The supervisory capability of experimental teaching high, it is ensured that experiment teaching effect.
Brief description of the drawings
Fig. 1 is structured flowchart of the invention；
Fig. 2 is the structured flowchart that course experiment teaching manages subsystem；
Fig. 3 is the structured flowchart that cloud computing virtualizes architecture subsystem.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in figure 1, the experiment teaching system based on cloud desktop, is applied to experimental teaching, cloud tabletop experiments terminal is reduced
Configuration requirement, reduce the construction cost in laboratory and the maintenance cost of experimental facilities, improve computing resource utilization rate, realize real
Test the standardization of teaching process, become more meticulous and effectively supervision and management, the experiment teaching system includes cloud tabletop experiments terminal, supervisor
Reason server, virtualized server resource pool, storage server and at least one application server, virtualized server resource pool
Inside be provided with multiple physical servers, on each physical server according to demand and physical server configuration be provided with it is multiple virtual
Machine, each physical server is connected by application network switch with least one application server, realizes virtual machine to application service
The access of device.Cloud tabletop experiments terminal as input-output equipment, by desktop network switch and virtualized server resource pool
In physical server be connected, realize that cloud tabletop experiments terminal can be multiple pc terminal, also may be used to the remote control of virtual machine
Being many thin client terminals, or using multiple mobile terminals, mobile terminal includes moving flat board, notebook etc., at this
In, from many thin client terminals as cloud tabletop experiments terminal, reduce hardware cost.
Master management server is connected by managing network switch with each physical server, for distinguishing each physical server
It is managed collectively, scheduling of resource and operation are monitored, master management server is also connected with desktop network switch, to cloud tabletop experiments end
End is monitored treatment with the connection status of virtual machine.In order to ensure the process performance of master management server, master management server
By special management net, i.e. gigabit Ethernet, communicated with controlled physical server.Master management server is based on SOA
（Service-Oriented Architecture Based）Physical server is managed, even if master management server service disruption, physics clothes is not interfered with yet
Business device and virtual machine therein normally run.It is main in order to avoid Single Point of Faliure if system has requirement higher to reliability
Management server can also be disposed using HA high-availability clusters.
Storage server is used to leave virtual machine file in each physical server concentratedly, it by store network switch with
Each physical server is connected.Storage server uses SAN storage servers, both can be IP-SAN storages, or FC-
SAN is stored, and SAN storage servers store switching network by special storage net, i.e. gigabit above Ethernet or optical fiber, with physics
Server is communicated.Storage net is the dedicated network that physical server accesses SAN storage servers, if deposited using FC-SAN
Storage, then it is that optical fiber stores switching network to store net, and physical server uses more than 4Gb HBA cards（Optical fiber storage card）；If using
IP-SAN is stored, then it is ten thousand mbit ethernets to store net, and physical server uses ten thousand mbit ethernet cards.In order to ensure storage server
The stability of connection, need to carry out the appropriate network optimization for different storage classes, and such as configuration interchanger opens storage and accesses association
View optimization, opening flow are controlled, open huge hardwood parameter etc..
Used as preferred, the experiment teaching system based on cloud desktop also includes secure access gateway server and authentication
LIST SERVER, secure access gateway server and authentication LIST SERVER are all connected to desktop network switch, and safety is visited
Ask gateway server the remote access entrance unified for virtual machine is provided, while the cloud tabletop experiments end to remotely accessing virtual machine
The account behavior at end is recorded and controlled, and administrative staff is concentrated the remote access connection status for checking virtual machine, right
Suspicious account can immediately interrupt it and is connected with the remote access of virtual machine, realize the peace of cloud tabletop experiments terminal-pair virtual machine
Full access.Authentication LIST SERVER is used to store and certification the account for remotely accessing virtual machine.
Specifically, master management server includes that course experiment teaching manages subsystem and cloud computing virtualization architecture
System, course experiment teaching management subsystem is used for the overall process of management training coarse experimental teaching, cloud computing virtualization architecture
Subsystem is used to carry out physical server unified resource pool management and Dynamic resource allocation.
As shown in Fig. 2 course experiment teaching management subsystem includes laboratory teaching management module, experiment management module, base
This information management module and system management module.Laboratory teaching management module includes course offered, experiment course scheduling management, experiment religion
Content Management, laboratory student-directed, laboratory application, laboratory application approval, course are registered in management and resources material
Descend the function sub-modules such as load.Course offered function sub-modules are used for teaching unit or teacher to be carried out to the curriculum information in per term
Management, including setting the information such as course name, optional laboratory, optional teacher, experimental teaching outline.Experiment course scheduling management
Function sub-modules are used for teaching unit or teacher needs the laboratory information for opening up to be managed per term, there is provided to laboratory
The support of class division.Experimental teaching content management function submodule is used for teacher's experimental teaching content detailed to laboratory and enters
Row is set, and fills in the information such as each experimental project title, experiment content, experiment class hour, is easy to student to be consulted when being tested.
Laboratory student-directed function sub-modules are managed for teacher to required or elective experiment class student's list, only test
Student in class list could distribute the virtual machine of experiment, carry out course registers.Laboratory application function sub-modules are used for teacher
Reservation application is carried out to the laboratory needed for laboratory, it is also possible to carried out unifying scheduling by teaching unit.Laboratory application approval
Function sub-modules carry out concentration examination ＆ approval for Lab Manager to the laboratory that each door laboratory is preengage, to inappropriate application
Can be return.Course management function submodule of registering carries out query statistic to laboratory student for teacher to class situation,
System can be registered automatically when student is using the virtual machine tested.Resources material uploads download function submodule is used for teacher
Courseware, code sample, tool software, guide book of experiment and other associated documents needed for passing laboratory, student can be virtual
Downloaded in machine and used；In addition, student can be uploaded experiment operation associated documents, it is easy to teacher to collect and downloads.
Experiment management module including experimental machine Template Manager, experimental machine manage, experiment give lessons with student's computer practice management etc. work(
Can submodule.Experimental machine template management function submodule is used for the course experiment teaching ring that Lab Manager proposes according to teacher
The demand in border, makes experiment virtual machine template, and all of experiment virtual machine template is managed concentratedly.Experimental machine manages work(
Energy submodule is used for Lab Manager according to the course experiment teaching arrangement in each laboratory, selects right before laboratory starts
The experiment virtual machine template batch answered automatically creates the experimental demonstration machine that experiment virtual machine and the teacher that student used is used；
After each laboratory terminates, Lab Manager can unify to close the related experiment virtual machine of laboratory, and release experiment is virtual
Computing resource shared by machine, and the experiment virtual machine environment for needed for subsequent experimental class prepares；After term terminates, laboratory pipe
Reason person can unify to destroy the experiment virtual machine of the term all laboratories correlations, the storage money shared by recovery experiment virtual machine
Source.Experiment function sub-modules of giving lessons carry out course experiment teaching for teacher, and instruction of papil completes experiment content, and teacher can be
Operation demonstration is carried out in experimental demonstration machine, student can watch operating process.Student's computer practice management function sub-modules are used for student
Logging in experiment virtual machine environment carries out experiment content operation, and student can check the content of courses requirement of each experiment, Ke Yiguan
The operation demonstration of teacher is seen, the related data of experiment can be downloaded in virtual machine is tested, and upload experiment operation.
Basic information management module includes that school's essential information, teaching unit setting, department's essential information, grade believe substantially
The function sub-modules such as breath, class's essential information, teacher's essential information, student's essential information and laboratory essential information.School's base
This informational function submodule is used to check school's code and name information.Teaching unit sets function sub-modules to be used to set school
Each educational institution's information.Department's essential information function sub-modules are used to set each teaching unit Lower Establishment information.Grade
Essential information function sub-modules are used to set the related grade's information of each department.Class's essential information function sub-modules are used to set
The related class's information of each grade.Teacher's essential information function sub-modules are used to set the related teacher's information of each department.Student
Essential information function sub-modules are used to set the related student information of each class.Laboratory essential information function sub-modules are used to set
Put the related laboratory information of each teaching unit.
System management module is including setting start to school date, Role Management, user management and function sub-modules etc. log management.
Date function sub-modules starting to school the date for the halves in the case where being set after per term terminates of starting to school is set, is easy to automatically generate school
Go through.Role Management function sub-modules are used to set system actor information, default role include system manager, Institute management person,
Lab Manager, teacher, student etc..Subscriber management function submodule is used to set system user information, each teacher and
Life has a user account number, it is possible to use teacher's job number and student's identity card number are used as user account number.Log management function submodule
For all kinds of log informations of the system of checking.
As shown in figure 3, cloud computing virtualization architecture subsystem includes cloud desktop management module and resources of virtual machine pond
Management module.Cloud desktop management module includes virtual desktop management, desktop Template Manager, terminal management, user's desktop management, body
The function sub-modules such as part management, authentication management, empowerment management and log audit management, virtual desktop management function submodule is used for
Virtual desktop is completed from the lifecycle management for creating, distributing, manage, use and destroy, and the desktop mandate to user
Operated Deng management.Virtual desktop management function submodule mainly includes feature operation as shown in table 1：
Table 1
| Sequence number | Function items | Remarks |
| 1 | Inquiry | Virtual desktop is searched according to querying condition |
| 2 | Editor | Change the parameter configuration of virtual desktop |
| 3 | Delete | Physics deletes a virtual desktop |
| 4 | User distributes | Virtual desktop is distributed into user |
| 5 | Deallocate | Reclaim the user right of virtual desktop distribution |
| 6 | Start | Start one or more virtual desktops |
| 7 | Stop | Stop one or more virtual desktops |
| 8 | Pause | Suspend one or more virtual desktops |
| 9 | Resume operation | Recover one or more virtual desktops |
| 10 | Restart | Restart one or more virtual desktops |
| 11 | Freeze | Freeze one or more virtual desktops |
| 12 | Activation | Activate one or more virtual desktops |
| 13 | Connection | Remotely connect a virtual desktop |
| 14 | Disconnect | Disconnect the connection of one or more virtual desktops |
| 15 | It is synchronous | One or more virtual desktops synchronous with basic platform |
| 16 | Extract | Virtual desktop is extracted from basic platform |
| 17 | Create snapshot | For one or more virtual desktops create snapshot |
| 18 | Snapshot recovers | For one or more virtual desktops recover snapshot |
| 19 | Snapshot is deleted | Delete the snapshot of one or more virtual desktops |
| 20 | BIOS is set | One virtual desktop BIOS parameter is set |
Desktop template management function submodule is used to be managed virtual desktop template object, including inquiry virtualization clothes
Virtual desktop template in business device resource pool；A virtual desktop template data is selected, data syn-chronization is carried out with basic platform；Choosing
A fixed virtual desktop template data, changes its parameter information；A virtual desktop template is selected, is deleted；Extract virtual
Desktop template etc..Terminal management function sub-modules are used to be managed the account of cloud tabletop experiments terminal.User's desktop management
Function sub-modules are used to be managed user's desktop, including inquiry, editor user's desktop link information, newly-increased user's table
Face connection management, delete user's desktop connection management, for user's distributing user desktop, release the distribution of user's desktop, remotely connect
Connect user's desktop, disconnect long-range connection user's desktop etc..Identity Management, authentication management, empowerment management function sub-modules are for right
Account information, authorization message are managed, and management is authenticated to the register of user.Log audit management function submodule
Block is used to that the information for being recorded daily to be audited and checked.
Resources of virtual machine pond management module includes virtual pool management, Virtual Machine Manager, physical machine management, virtual machine template pipe
The function sub-modules such as reason, resource scheduling management, monitoring resource, system administration and mirror image management.Virtual machine template is matched somebody with somebody by hardware
The resource file of file, virtual disk and client operating system configuration file composition is put, template provides standardization hardware and software
Configuration, can be used to create multiple new virtual machines configured using these, can be right by virtual machine template management function submodule
The all virtual machine template objects of system are managed maintenance, including browse virtual machine template list object, check that template is believed in detail
Breath, clone's virtual machine, quick copy virtual machine, template importing, the inspection of template library initialization, template etc..By virtual machine template
List object can check the base attribute of template object, including template correspondence virtual machine title, OS Type, operating system
Memory size that CPU core number that version, template are used, template are used, template hard drive space size, hard disk quantity contained by template,
Network interface card quantity etc. contained by CD-ROM drive quantity, template contained by template.When virtual machine is cloned, user can be in the virtual machine template opened
The contents such as processor number, memory size, hard-disk capacity are manually entered, resource pool and physical server where choosing manually add
Screening card etc., the clone for completing virtual machine creates.Quick copy virtual machine is similar with clone's virtual machine, can realize on its basis
The quick copy of multi-quantity virtual machine is created.
Mirror image management function submodule is used to realize software image management that Software Mirroring to refer to follow the international marks of ISO9660
Quasiconfiguaration, from CD-ROM/DVD-ROM make Disc image ISO files or by the documenting on hard disk into ISO text
Part, mirror image ISO files can by the direct carry of the virtual drive of virtual machine, for guide virtual machine start installation operation system or
Relative application software is installed in VME operating system, can be to all software mirrors of system by mirror image management function submodule
As file object is managed maintenance, including browse image listing, upload image file, newly-built mirror image object, modification mirror image pair
As with delete Software Mirroring object etc..
System management function submodule is used to be managed systematic parameter, system journal and system user.Resource is adjusted
Degree management function submodule is used to carry out virtual machine or physical server task and task groups management, and tasks carrying prison
Control, realizes that task is configured, and task is managed with task groups, refers to realize task maintenance and the online editing of task；Tasks carrying
Monitoring, refers to, in tasks carrying, cycle implementation status can entirely to be performed with monitor task, can be with monitor task in management node
And resource pool server node implementation status, it is also possible to context parameters during checking execution；Task configure, refer to realize it is right
Task call under special applications scene demand.
Physical machine management function submodule is used to be managed physical server object, including 1. browses physical server
List, such as physical server title, physical server state, CPU core number, free memory capacity, locally available disk size, recognize
Card state etc.；2. physical server details are checked, the detailed configuration information of physical server, i.e. CPU, interior can be checked
Resource pool information belonging to the virtual machine list information that deposit, runs on disk, network interface card, physical server, physical server etc., and
The attribute information that can start, stop physical server, monitoring physical server real-time running state, check physical server
Deng；Monitoring physical server real-time running state specifically includes cpu load rate, memory usage, exchange area memory usage, behaviour
Make system process information, local disk capacity utilization, network I/O and magnetic disc i/o information etc.；3. service mode management, refer to
In physical server when periodically the maintenance works such as maintenance down or dilatation are carried out, need first to set to enter by physical server to safeguard
Pattern；4. authentication management refers to that the normal physical server of identity is authenticated, to the physical server that identity is abnormal, refusal
Certification；5. deletion of physically server refers to carries out delete processing by existing physical server, if operation has void on physical server
Plan machine, then can point out error message.
Management function of virtual machine submodule is used to be managed virtual machine object, including virtual machine object inquiry, i.e., clear
Look at virtual machine list, inquire about qualified virtual machine object；Virtual machine is controlled substantially, i.e., virtual machine started, stopped,
The basic operations such as pause, activation, synchronization, deletion, remote control；Virtual machine is installed online, i.e., by operating system image starting
And virtual machine is installed；Virtual machine is backed up, that is, create virtual machine Backup Data, and virtual machine state is recovered from specified Backup Data,
History Backup Data is managed.Data derivation or importing are carried out to virtual machine；Virtual machine snapshot, that is, create virtual machine snapshot
Data, virtual machine state is recovered from specified snapshot data, and historical snapshot data is managed；Virtual machine (vm) migration, i.e., to void
Plan machine is carried out across physical server or across storage on-line/off-line migration；Virtual machine replicate, i.e., to virtual machine carry out clone duplication or
Quick copy；Virtual machine peripheral hardware, i.e., carry out carry or unloading to virtual machine USB device, virtual drive etc.；Virtual machine configuration, i.e.,
Virtual machine BIOS is configured, vCPU, internal memory, hard disk, network interface card to virtual machine etc. are extended management；Virtual machine is shared
Disk, the i.e. share dish to virtual machine are configured, and high-availability cluster is built for many virtual machines.
Virtual pool management function submodule is used to be managed resource pool object, including browses resource pool list, newly-built
Resource pool object, delete resource pool object, monitoring resource pool object, configuration resource pool object, check resource pool object properties etc.,
Resource pool object properties are including resource Pool name, resource pool type, resource pool description, resource pool path etc..In resource pool operation
Under state, the following status information of resource pool can be monitored：1. the base attribute such as resource Pool name, type, description, path；②
The physical server of resource pool/virtual machine quantity real-time statistics chart；3. resource pool computing resource（CPU core, vCPU, internal memory, deposit
Storage）Real time capacity chart；4. resource pool receives the physical server list object of pipe；5. the virtual machine object list of resource pool operation
Deng.Monitoring resource function sub-modules are used to be monitored the physical resources such as physical server, virtual machine, storage, network, to reach
To optimize regulation and use.
Claims (3)
1. the experiment teaching system based on cloud desktop, is applied to experimental teaching, reduces the configuration requirement of cloud tabletop experiments terminal, subtracts
The construction cost in few laboratory and the maintenance cost of experimental facilities, improve computing resource utilization rate, realize teaching Process of experiment
Standardize, become more meticulous and effectively supervision and management, it is characterised in that：It includes cloud tabletop experiments terminal, master management server, virtual
Change server resource pond, storage server and at least one application server, multiple things are provided with virtualized server resource pool
Reason server, is provided with multiple virtual machines on each physical server, cloud tabletop experiments terminal passes through as input-output equipment
Desktop network switch is connected with the physical server in virtualized server resource pool, realizes the remote control to virtual machine；It is main
Management server is connected by managing network switch with each physical server, for carrying out unifying pipe respectively to each physical server
Reason, scheduling of resource and operation monitoring, master management server is also connected with desktop network switch, to cloud tabletop experiments terminal and virtual machine
Connection status be monitored treatment；Master management server is managed or main management service based on SOA to physical server
Device is disposed using HA high-availability clusters；Storage server is connected by storing network switch with each physical server, for concentrating
Deposit the virtual machine file in each physical server；Each physical server passes through application network switch and at least one application service
Device is connected, and realizes the access of virtual machine application server；It also includes secure access gateway server and authentication catalogue
Server, secure access gateway server and authentication LIST SERVER are all connected to desktop network switch, have secure access to net
The server remote access entrance unified for virtual machine is provided is closed, while to the cloud tabletop experiments terminal of remote access virtual machine
Account behavior is recorded and controlled；Authentication LIST SERVER be used for remotely access virtual machine account carry out storage and
Certification；
Described master management server includes that course experiment teaching manages subsystem and cloud computing virtualization architecture subsystem,
Course experiment teaching management subsystem is used for the overall process of management training coarse experimental teaching, cloud computing virtualization architecture subsystem
For carrying out unified resource pool management and Dynamic resource allocation to physical server；
Described cloud computing virtualization architecture subsystem includes cloud desktop management module and resources of virtual machine pond management module,
Cloud desktop management module include virtual desktop management, desktop Template Manager, terminal management and user's desktop management in one or
Multiple function sub-modules, resources of virtual machine pond management module include virtual pool management, Virtual Machine Manager, physical machine management, virtually
One or more functions submodule in the management of machine Template Manager, resource scheduling management, monitoring resource and mirror image；
Desktop template management function submodule is used to be managed virtual desktop template object, including inquiry virtualized server
Virtual desktop template in resource pool；A virtual desktop template data is selected, data syn-chronization is carried out with basic platform；Selected one
Bar virtual desktop template data, changes its parameter information；A virtual desktop template is selected, is deleted；Extract virtual desktop
Template；Terminal management function sub-modules are used to be managed the account of cloud tabletop experiments terminal；User's desktop management function
Module is used to be managed user's desktop, including inquiry, editor user's desktop link information, newly-increased user's desktop connection
Management, delete user's desktop connection management, for user's distributing user desktop, release the distribution of user's desktop, remotely connect user
Desktop, the long-range connection user's desktop of disconnection；
The resource file that virtual machine template is made up of hardware profile, virtual disk and client operating system configuration file,
Template provides standardization hardware and software configuration, for creating multiple new virtual machines configured using these, by virtual machine mould
Board management function sub-modules are managed maintenance to all virtual machine template objects of system；Mirror image management function submodule is used for real
The all software image file objects of system are managed maintenance by existing software image management by mirror image management function submodule,
Including browsing image listing, uploading image file, newly-built mirror image object, modification mirror image object and deleting Software Mirroring object.
2. the experiment teaching system based on cloud desktop according to claim 1, it is characterised in that：Described cloud tabletop experiments
Terminal includes one or more combination in multiple pc terminal, many thin client terminals and Duo Tai mobile terminals.
3. the experiment teaching system based on cloud desktop according to claim 1, it is characterised in that：Described curriculum experiment religion
Learning management subsystem includes laboratory teaching management module, experiment management module, basic information management module and system management module,
Laboratory teaching management module includes course offered, experiment course scheduling management, experimental teaching content management, laboratory student-directed, reality
Room application, laboratory application approval, course is tested to register the one or more functions submodule that management and resources material uploaded in downloading
Block；Experiment management module include experimental machine Template Manager, experimental machine management, experiment give lessons with student's computer practice management or
Multiple function sub-modules；Basic information management module includes school's essential information, teaching unit setting, department's essential information, year
One or many in level essential information, class's essential information, teacher's essential information, student's essential information and laboratory essential information
Individual function sub-modules；System management module includes setting in start to school date, Role Management, user management and log management
Or multiple function sub-modules.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410100416.0A CN103888530B (en) | 2014-03-18 | 2014-03-18 | Experiment teaching system based on cloud desktop |
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