CN105681454A - Method and system for self-adaptively connecting cloud desktop - Google Patents
Method and system for self-adaptively connecting cloud desktop Download PDFInfo
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- CN105681454A CN105681454A CN201610112654.2A CN201610112654A CN105681454A CN 105681454 A CN105681454 A CN 105681454A CN 201610112654 A CN201610112654 A CN 201610112654A CN 105681454 A CN105681454 A CN 105681454A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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Abstract
The invention relates to the technical field of cloud computing, and in particular provides a method and system for self-adaptively connecting a cloud desktop in a virtualization cloud desktop application. By means of the method, the cloud desktop can be self-adaptively kept in connection and reconnected under different connection conditions. The system is a management system used for keeping and managing connection of the cloud desktop and capable of monitoring connection information of the cloud desktop in real time; related configuration of the cloud desktop is adjusted according to a preset strategy; and the cloud desktop at a client side can be recovered or reconnected automatically and rapidly when the connection state is abnormal. According to the invention, by utilizing a caching strategy, session recovery and connection redirecting method, the connection stability of the cloud desktop is improved; the reconnection time of the cloud desktop is shortened; the process is transparent for users; and thus, the user experience can be effectively improved.
Description
Technical field
The present invention relates to the Application Areas of computer network, cloud computing and cloud desktop, particularly relate to the connection cloud desktop method of a kind of self-adaptation.
Background technology
Virtualization technology is the core technology of cloud computing application. Every station server can support that multiple virtual machine runs different operating system and application, thus greatly improves the utilization ratio of server, turns to, by virtual, the platform service applied and provide elastic telescopic, can expand.
Cloud desktop is the application of a kind of desktop virtual, and under the demand driving in technological evolvement and market, cloud desktop has become the IT infrastructure of a kind of main flow, is the various work such as company, school or study scene service. At present, cloud desktop uses in many colleges and universities and office scene, cloud desktop is to everybody visual impression: fundamental operation system, software application needed for working and learning and store data and be all no longer dependent on conventional P C main frame, as long as having network and indicating meter just can be connected to high in the clouds and use cloud desktop application.
Cloud desktop is at present in education sector is put into practice, especially colleges and universities' experiment course needs to be connected to cloud server on a large scale simultaneously, may be produced some and connect abnormal conditions, as bandwidth instability causes that client makes a clean sweep of line, cloud virtual machine cannot log in extremely, cloud desktop application faces connection instability problem. It is thus desirable to a kind of new method and system can maintain, under cloud desktop application is in different situation, the stability connecting cloud desktop, when client terminal and cloud desktop lose be connected, realize do not need user input any information just can Fast reconnect to cloud desktop, and recovery before reply application state.
Summary of the invention
The present invention provides a kind of adaptive connection cloud desktop method, maintains the stability that cloud desktop connects.
A further object of the present invention is to provide the cloud computing adaptive connection management system of this self-adaptation cloud desktop method of attachment of a kind of application.
In order to reach above-mentioned technique effect, the technical scheme of the present invention is as follows:
A kind of method of adaptive connection cloud desktop, it is characterised in that, comprise the following steps:
S1: user is connected to cloud desktop by terminal to apply, connects management system records user and logs in information (such as account, password etc.) and session information (such as virtual machine IP, virtual machine template etc.);
S2: connect management system and according to the network parameter pre-set, the connection of cloud desktop is monitored;
S3: according to monitoring information, different connection state is carried out self-adaptative adjustment by monitoring session module, comprising:
Continue when cloud desktop connects, but the situation of network bandwidth deficiency, then enter S4;
When the of short duration off-line of terminal, it is necessary to the situation that cloud desktop heavily connects, then enter S5;
When cloud desktop is delayed machine, without response, it is necessary to be redirected the situation that cloud desktop connects, then enter S6.
S4: terminal image frame buffer memory and maximum frame per second are carried out dynamic conditioning according to the parameter preset by management system, and (both when system exception or inadequate resource), the virtual machine of correspondence is done increment memory image when being greater than maximal valve value, described snapshot can record the stored data of application, uses when recovering virtual machine state in order to needs;
S5: terminal sends connectivity request message, calls session restore funcitons, resolves the request information of described self-defined data structure, after checking user profile, allows terminal Fast reconnect to the cloud desktop connected before, user again need not manually input account, password;
S6: described system passes to redirection module connectivity request message, redirection module is found out corresponding snapshot document and is added on corresponding basic virtual machine after resolving this request connection information, and recover the application data of snapshot record, reduction cloud desktop is delayed the state before machine, and then announcement session monitoring module allows terminal be redirected and is connected to new virtual machine.
In the present invention, connection management system arranges monitoring session module, as the control module connecting management, it is possible to according to network monitoring data, whole connection state is done unification and adjust and manage, the cloud desktop realizing self-adaptation connects, and maintains the stability of cloud desktop connection and realizes Fast reconnect.
A kind of cloud computing adaptive connection management system, comprising:
Connect management system, for managing and control resource and the dispatch deal of whole adaptive connection cloud desktop, comprising:
Monitoring session module is the administrative center that whole cloud desktop connects session, the whole life cycle that unified control and maintenance cloud desktop connect; Session is set recovers subfunction at this further, it is possible to the session information between connecting according to each terminal and cloud desktop, can connection session before quick-recovery soon when the of short duration off-line of terminal;
Network monitoring module, according to the network parameter real-time collecting related network information pre-set; , according to default neural network forecast model, terminal and snapshot management module are made corresponding steering order;
Snapshot management module, carries out increment memory image operation to the virtual machine that connects specified, and records the metadata information of snapshot;
Redirection module, is redirected to the connection request of client terminal in another virtual machine, and user session state and relevant data before utilizing snapshot restore.
Client terminal comprises:
Terminal, user is connected to the equipment of cloud desktop, enables buffer memory mechanism in each terminal, the image frame data of buffer memory cloud desktop transmission.
High in the clouds comprises:
Having connected vm, user connects the virtual machine corresponding to cloud desktop;
Basis vm, the virtual machine generated by adhoc basis mirror image, just pre-configured and hung up at the beginning of system starts, it is placed in virtual machine pool.
Further, described monitoring session module can record the connection session information after each terminal connection cloud desktop, and generate self-defined connection information table, it may be preferred that comprise but it is not limited only to following content: user ID, virtual machine ID, type of virtual machine, connection IP, snapshot ID.
Further, described network monitoring module can control described terminal timed sending heartbeat detection bag and connect virtual machine to corresponding, and collects virtual machine to the feedback time of this heartbeat detection bag and network of relation parameter; According to default neural network forecast model, snapshot management module and terminal are sent relevant control instruction, dynamic conditioning memory cache strategy, transmission strategy and carry out cloud desktop apply in real time snapshot operation, make whole connection system enter self-adaptation state.
Further, described snapshot management module, it is possible to the virtual machine that connects specified is carried out memory image operation, the operation information of recording user and stored data information as required, and generate the unique corresponding snapshot ID of the overall situation that described cloud desktop connects, feed back to connection management system.
Further, each terminal of described client terminal arranges image frame buffer unit, according to the steering order of described connection management system, dynamic conditioning cache policy, and the image frame data of transmission in buffer memory cloud desktop connection procedure.
Further, the connection cycle of whole cloud desktop is all subject to described connection management systematic unity control, when network resource deficiencies such as bandwidth, it is possible to the cloud desktop that adjustment cache policy remains stable connects; Owing to network is abnormal, the situation of the of short duration off-line of terminal, by resolving the connectivity request message that terminal sends, allows terminal Fast reconnect cloud desktop; Owing to virtual machine is delayed machine, as software is not compatible, the situations such as system file damage, by connecting redirection module and can resolve connection information and corresponding snapshot is added in the virtual machine of basis the state recovering this virtual machine before machine of delaying, it is achieved fast restore is also redirected and is connected to cloud desktop.
According to above technical scheme, on client's side link after cloud desktop, system under different condition of contacts can stable maintenance cloud desktop connect and ensure that user is to the operability of cloud desktop operated; After client terminal and the virtual machine of cloud server lose and are connected, customer side can send heavy connectivity request message, server end can carry out relating operation according to corresponding strategy, user is without the need to again logging in, and session before just can recovering within the short period of time, saves time and interactive step, it is possible to the effective Consumer's Experience improving cloud desktop platform, especially test the situation of the concurrent connection cloud desktop of course height in colleges and universities' mysorethorn under, it is possible to ensure the stability that cloud desktop connects and high availability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the schema of the embodiment of the present invention 2;
The connection that Fig. 3 is the embodiment of the present invention 3 is redirected schematic diagram.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
In order to the present embodiment is better described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;
To those skilled in the art, some known features and illustrate and may omit and be appreciated that in accompanying drawing.
Below in conjunction with drawings and Examples, the technical scheme of the present invention is described further.
Embodiment 1
The method of adaptive connection cloud desktop and a system, described connection management system comprises:
Monitoring session module (101) a: record is set and connects information table in this monitoring session module; In this embodiment 1, connect information table to comprise: comprise user ID, virtual machine ID, type of virtual machine, connection IP, snapshot ID, wherein user ID is that the account with active user's login is uniquely corresponding, and cloud server also can by this information record in a session;Virtual machine ID refers to the virtual machine unique number on the cloud server that active client connects, and generates by server end, a virtual machine ID uniquely corresponding virtual machine; Type of virtual machine refers to the virtual machine according to adhoc basis template establishment that on client's side link, the virtual machine of cloud server is corresponding; Virtual machine IP refers to the IP address of the cloud virtual machine on client's side link; Snapshot ID refers to the snapshot ID that cloud server is applied according to the instruction adaptive generation of monitoring session module (101).
Further, described monitoring session is provided with session information when session restore funcitons can initiatively record each client's side link desktop, passive reception can also be told the heavy connectivity request message that client terminal initiatively sends, after checking user profile, according to session or the connection between the heavy fast quick-recovery terminal of connectivity request message and cloud desktop, then send connection information to client terminal after Fast reconnect success, heavily successively lose and lose, request information is forwarded to connection redirection module (302).
Network monitoring module (102): according to the parameter pre-set (such as bandwidth, network postpones, CPU rate of utilization etc.) real-time collecting related system connection information, according to default system state predictive model, system corresponding management module is sent steering order.
Snapshot management module (103): on client terminal First Contact Connections during cloud desktop, record first time basis snapshot, on the basis of this basis snapshot, set up according to the dispatch command that monitoring session module (101) sends under system different states and cover the incremental snapshot of virtual machine, and these snapshot documents are stored in cloud server, generate corresponding snapshot ID, and fed back to monitoring session module (101).
Terminal (201,202,203) in client terminal: each terminal arranges image frame buffer unit respectively, can control by monitoring session module (101), the image transmitted according to the buffer memory cloud server of network situation self-adaptation and the associated note of user operation cloud desktop.
Snapshot generation module (301): the virtual machine that connects specified is carried out increment memory image operation as required, and this snapshot can record the stored data of application, and during snapshot next time, only record the part data of change.
Connect redirection module (302): resolve the type of virtual machine in terminal connectivity request message, snapshot ID, snapshot management module is found out and applies snapshot document accordingly, then in this embodiment 1, start the basic virtual machine (306) taking out corresponding type of virtual machine in the virtual machine pool created in advance, snapshot document is added in the virtual machine of basis, and carry out snapshot fusion, meeting speech phase before recovery, allow client terminal be redirected and it is connected to this virtual machine, generate new connection information, and send new connection information to monitoring session module (101).
Embodiment 2
As shown in Figure 2, in the present embodiment, user passes through the complete procedure of client terminal adaptive connection to cloud desktop:
S1: user by client's side link to cloud desktop;
S2: the session that monitoring session module (101) record cloud server sends over and connection information, and stores synchronized is in the client, setting initial heartbeat feedback time valve value (can revise as required) by system manager, setting initial network postpones valve value (can revise as required) by system manager;
S3: monitoring session module (101) starts timer, sends instruction and allows terminal 1 (201) timed sending heartbeat detection bag, setting initial memory cache size and maximum frame per second;
S4: network monitoring module (102) the monitoring network parameter such as heartbeat feedback time and network retardation rate;
S5: judge that continuous K (default value is 3) secondary heartbeat feedback time is greater than pre-set threshold value, be enter S6, otherwise enter S3
S6: judge whether network-induced delay is greater than pre-set threshold value, is, enters S7, otherwise enters S3;
S7: session pipe monitoring block (101) sends instruction, and image frame buffer unit adjusts to respective value according to preset strategy; Adjust maximum frame per second to preset value according to preset strategy, call snapshot management module (104), generate real-time incremental memory image, enter S8;
S8: judge whether that continuous K time (default value is 3) does not receive heartbeat detection bag feedback, be enter S9; Otherwise enter S3
S9: client terminal sends request and heavily connects information, system starts session restore funcitons, attempts heavily connecting virtual machine, is heavily linked to be merit and then enters S3; Otherwise enter S7;
S10: monitoring session module (101) heavily connects information request and is forwarded to redirection module (302), connect redirection module resolution request message, obtain correlation parameter and (comprise virtual machine IP, virtual machine configuration information etc.), attempt heavily opening virtual machine according to these parameters, if successfully heavily opened, then heavily open and successfully recover the connection with client terminal afterwards, and connecting information feed back to monitoring session module (101), enter S3; Otherwise enter S11;
S11: the basic virtual machine (306) taking out corresponding type of virtual machine in virtual machine pool, snapshot pond is taken out the snapshot document of corresponding snapshot ID, it is loaded in the virtual machine of basis, snapshot restore work is carried out by described redirection module (302), virtual machine state before reduction, and the connection request of client terminal is redirected to this virtual machine, feedback relevance linkage information, to monitoring session module (101), enters S3.
Embodiment 3
As shown in Figure 3, once connect redirected schematic diagram, specifically comprise the following steps:
S12: connect redirection module (302) and resolve the type of virtual machine in connectivity request message, snapshot ID etc.;
S13: according to waking corresponding basis virtual machine (404) when this embodiment 3 cloud desktop system starts in the virtual machine pool that type of virtual machine just establishes up;
S14: take out in described cloud server according to snapshot ID apply accordingly snapshot document (403) be loaded into above-mentioned basis virtual machine (404);
S15: resolve snapshot document content, reduction basis virtual machine, to the application state point of snapshot record, generates new connection information and feeds back to monitoring session module (101);
S16: client terminal (401) reconnects in S15 step the new virtual machine generated according to connection information.
The parts that same or similar label is corresponding same or similar;
Accompanying drawing describes position relation for only for exemplary illustration, the restriction to this patent can not be interpreted as;
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without the need to also cannot all enforcement modes be given exhaustive. All any amendment, equivalent replacement and improvement etc. done within the spirit and principles in the present invention, all should be included within the protection domain of the claims in the present invention.
Claims (8)
1. the method for an adaptive connection cloud desktop, it is characterised in that, comprise the following steps:
S1: user is connected to cloud desktop by terminal to apply, connects management system records user and logs in information and session information;
S2: connect management system and according to the network parameter pre-set, the connection of cloud desktop is monitored;
S3: according to monitoring information, monitoring session module carries out self-adaptative adjustment for different connection state, comprising:
Continue when cloud desktop connects, but the situation of system bandwidth deficiency, then enter S4;
When the of short duration off-line of terminal, it is necessary to the situation that cloud desktop heavily connects, then enter S5;
When cloud desktop is delayed machine, without response, it is necessary to be redirected the situation that cloud desktop connects, then enter S6.
S4: according to the network dynamic state of parameters adjustment tag memory cache size pre-set and maximum frame per second, and when being greater than maximal valve value, the virtual machine that connects of correspondence is done increment memory image, described snapshot can record the stored data of application, uses when recovering virtual machine state in order to needs;
S5: terminal sends connectivity request message, session recovers the request information of module according to predetermined data-structure resolution data, user need not re-entering account number cipher, checking user profile and connection information, allow terminal Fast reconnect to the cloud desktop connected before automatically; If resolving unsuccessfully, enter S6;
S6: described system passes to redirection module connectivity request message, redirection module can be resolved this request connection information and be found out corresponding snapshot document and add on corresponding basic virtual machine, then the application data of snapshot record is recovered, reduction cloud desktop is delayed the state before machine, allows terminal be redirected and is connected to this virtual machine.
2. the cloud desktop of an application adaptive connection cloud desktop method as claimed in claim 1 connects management system, it is characterised in that, comprising:
Connect management system, for managing and control resource and the dispatch deal of whole adaptive connection cloud desktop, comprising:
Monitoring session module is the administrative center that whole cloud desktop connects session, the whole life cycle that unified control and maintenance cloud desktop connect; Described module is provided with session and recovers subfunction, it is possible to the session information between connecting according to each terminal and cloud desktop, can connection session before quick-recovery soon when the of short duration off-line of terminal;
Network monitoring module, according to the network parameter real-time collecting related network information pre-set, makes corresponding steering order according to default neural network forecast model to each module of system;
Snapshot generation module: the virtual machine that connects specified is carried out increment memory image operation as required, and this snapshot can record the stored data of application, and only records the part data of change when next time does snapshot;
Snapshot management module: generate and record the metadata information of each snapshot operating process;
Connect redirection module, the connection request of client terminal is redirected in another virtual machine, and user session state and relevant data before utilizing snapshot restore.
Client terminal comprises:
Terminal, user is connected to the equipment of cloud desktop, and each lane terminal arranges image frame buffer unit, the image frame data of buffer memory cloud desktop transmission.
High in the clouds comprises:
Having connected vm, user connects the virtual machine corresponding to cloud desktop;
Basis vm, the virtual machine generated by adhoc basis mirror image, just pre-configured and hung up at the beginning of system starts, it is placed in virtual machine pool.
3. connection management system according to claim 2, it is characterized in that, described monitoring session module can record the connection session information after each terminal connection cloud desktop, and generate self-defined connection information table, comprise but it is not limited only to following content: user ID, virtual machine ID, type of virtual machine, connection IP, snapshot ID.
4. connection management system according to claim 2, it is characterized in that, described network monitoring module can control described terminal timed sending heartbeat detection bag and connect virtual machine to corresponding and collect virtual machine to the feedback time of this heartbeat detection bag and network of relation parameter, according to default neural network forecast model, snapshot management module and terminal are sent relevant control instruction, dynamic conditioning memory cache strategy, transmission strategy and carry out cloud desktop and carry out increment memory image operation, make whole connection system enter self-adaptation state.
5. connection management system according to claim 2, it is characterized in that described snapshot management module, the virtual machine that connects specified can be carried out the operation of applied layer rank snapshot as required, the operation information of recording user and stored data information, and the snapshot ID corresponding to raw current one-tenth user's current operation application, feeds back to connection management system.
6. connection management system according to claim 2, it is characterised in that described redirection module can be reduced cloud desktop and be delayed the state before machine, and completes cloud desktop fast and connect redirect operation, specifically comprises the following steps:
S7: the connectivity request message that receiving terminal sends, resolve in connectivity request message virtual machine ID, connect IP, type of virtual machine and snapshot ID etc., attempt heavily linking corresponding virtual machine, being heavily linked to be merit then enters S9, failed then enter S8;
S8: the type of virtual machine parsed, wakes the basic virtual machine of corresponding types up in the virtual machine pool in described high in the clouds; Obtaining corresponding snapshot according to the snapshot ID that parses to be loaded on this basis virtual machine, and carry out snapshot restore by described redirection module, the cloud desktop that reduces is delayed the user session state before machine and data, enters S9;
S9: upgrade connection information and be sent to described and monitoring session module, allows terminal be redirected the new virtual machine being connected in S8 step to generate fast.
7. connection management system according to claim 2, it is characterized in that each terminal of described client terminal arranges an image frame buffer unit, according to the steering order connecting management system, dynamic conditioning cache policy, the image of transmission in buffer memory cloud desktop connection procedure.
8. according to claim 3 to claim 7 to described connection management system, it is characterized in that, the connection cycle of whole cloud desktop is all subject to described connection management systematic unity control, when interconnection network bandwidth changes, it is possible to the cloud desktop that adjustment cache policy remains stable connects; Owing to network is abnormal, the situation of the of short duration off-line of terminal, the connectivity request message sent by terminal, makes terminal Fast reconnect cloud desktop; Owing to virtual machine is delayed machine, such as situations such as software are not compatible, system file damage, it is possible to corresponding snapshot is added in the virtual machine of basis the application state recovered before machine of delaying operated by user to, it is achieved be redirected fast and connect cloud desktop.
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| CN110753069B (en) * | 2018-07-23 | 2022-06-07 | 中兴通讯股份有限公司 | Method, device and storage medium for cloud desktop offline management |
| CN109725986A (en) * | 2019-01-29 | 2019-05-07 | 中山大学 | A kind of graphical and containerization virtual network environment building and batch dispositions method |
| CN109725986B (en) * | 2019-01-29 | 2023-01-20 | 中山大学 | Graphical and containerized virtual network environment construction and batch deployment method |
| CN112416519A (en) * | 2020-11-21 | 2021-02-26 | 广州西麦科技股份有限公司 | Method and system for pre-starting virtual machine based on class schedule plan |
| CN113204399A (en) * | 2021-04-16 | 2021-08-03 | 广州朗国电子科技有限公司 | Cloud desktop intelligent terminal management method, electronic equipment and storage medium |
| CN113590269A (en) * | 2021-08-12 | 2021-11-02 | 深圳威科软件科技有限公司 | Method, device and equipment for connecting cloud desktop and storage medium |
| CN116010139A (en) * | 2022-12-07 | 2023-04-25 | 上海昊来信息技术股份有限公司 | Intelligent operation and maintenance method and system for virtual cloud desktop client computing software |
| CN116010139B (en) * | 2022-12-07 | 2024-01-30 | 上海昊来信息技术股份有限公司 | Intelligent operation and maintenance method and system for virtual cloud desktop client computing software |
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