WO2014180234A1 - Procede et dispositif de reproduction et de pousser de bureau virtuel, et systeme de bureau virtuel - Google Patents

Procede et dispositif de reproduction et de pousser de bureau virtuel, et systeme de bureau virtuel Download PDF

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Publication number
WO2014180234A1
WO2014180234A1 PCT/CN2014/075739 CN2014075739W WO2014180234A1 WO 2014180234 A1 WO2014180234 A1 WO 2014180234A1 CN 2014075739 W CN2014075739 W CN 2014075739W WO 2014180234 A1 WO2014180234 A1 WO 2014180234A1
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Prior art keywords
virtual desktop
information
virtual
multicast
desktop
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PCT/CN2014/075739
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English (en)
Chinese (zh)
Inventor
狄煦
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中兴通讯股份有限公司
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Publication of WO2014180234A1 publication Critical patent/WO2014180234A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces
    • G06F9/452—Remote windowing, e.g. X-Window System, desktop virtualisation
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to a virtual desktop rendering method, a virtual desktop pushing method, a virtual desktop reproducing device, a virtual desktop pushing device, and a virtual desktop system.
  • the cloud terminal mode is used to deploy the computer network classroom.
  • the teacher machine selects a virtual machine in the cloud server to serve as the virtual machine.
  • the student machine selects the cloud terminal to replace the traditional PC, and connects the virtual desktop of the virtual machine through the client on the cloud terminal without changing its current state.
  • the virtual machine in the cloud server uses the Windows (Windows) operating system
  • the courseware in the computer network classroom teaching project is mostly based on the design of the Windows operating system, so it is only necessary to install the corresponding teaching software on the cloud server/teacher machine.
  • Many cloud terminals/students can enjoy courseware resources at the same time and independently.
  • the structure of the teaching network is clearer and clearer, and the later management and maintenance is simpler and easier.
  • a desktop master ie, a teacher
  • accesses the desktop through the virtual desktop terminal and other desktop users (ie, students) access the virtual desktop to view the virtual desktop master. The operation on the desktop.
  • any changes to the virtual desktop of the desktop master need to be pushed synchronously to each virtual desktop terminal participating in the desktop. Since the same virtual desktop needs to be shared to hundreds of users at the same time, if the current unicast mode is used, multiple users can access the same virtual desktop. Since each recipient needs the same data, if there are N recipients, the server needs to send the data into N recipients, so that when the number of recipients increases, the service The number of packets sent by the terminal also needs to increase. The server is subject to such traffic affirmation There is an extreme value. When the recipient reaches a certain level, it is not just a problem of increased network traffic. The server is only facing downtime. This inevitably puts a lot of bandwidth and performance pressure on the server side of the virtual desktop.
  • Embodiments of the present invention provide a method, an apparatus, and a virtual desktop system for reproducing and pushing a virtual desktop to solve at least the above problems.
  • a virtual desktop replay method including: receiving, by a at least one slave device, virtual desktop information from a master device by using a multicast service; and replaying according to the virtual desktop information
  • the second virtual desktop of the first virtual desktop of the master device is the same.
  • the virtual desktop information includes: change information of the first virtual desktop.
  • the virtual desktop information includes at least one of the following: interface change information of the first virtual desktop, audio change information of the first virtual desktop, or mouse change information of the first virtual desktop.
  • the re-creating the second virtual desktop that is the same as the first virtual desktop comprises: pushing the virtual desktop information to a channel corresponding to the virtual desktop information, where the corresponding channel includes at least the following One of: a display channel corresponding to the interface change information, an audio channel corresponding to the audio change information, or a mouse channel corresponding to the mouse change information; and the corresponding channel is reproduced and the first The second virtual desktop is the same as a virtual desktop.
  • the method further includes: maintaining, by the heartbeat keep-alive procedure, a connection between the at least one slave device and the master device, where the heartbeat keep-alive procedure comprises: the at least one slave device Sending a first heartbeat packet to the master control device, and maintaining the connection according to the first backpack of the first heartbeat packet according to the master control device; and/or the master control device to the at least one
  • the slave device sends a second heartbeat packet, and the connection is maintained according to the second packet of the second heartbeat packet according to the at least one slave device.
  • a virtual desktop pushing method including: the master device pushing virtual desktop information to at least one slave device through a multicast service, where the virtual desktop information is used by the Said at least one slave device reproduces a second virtual desktop that is identical to the first virtual desktop of the master device.
  • the method further includes: acquiring the virtual desktop information, where the virtual desktop information includes at least one of the following: The interface change information of the first virtual desktop, the audio change information of the first virtual desktop, or the mouse change information of the first virtual desktop.
  • a virtual desktop re-distribution apparatus which is located in at least one slave device, and includes: a receiving module, configured to receive virtual desktop information from the master device by using a multicast service; The reproducing module is configured to: reproduce the second virtual desktop that is the same as the first virtual desktop of the master device according to the virtual desktop information.
  • a virtual desktop pushing device is further provided, which is located in a main control device, and includes: a pushing module, configured to push virtual desktop information to at least one slave device through a multicast service, where The virtual desktop information is used by the at least one slave device to reproduce a second virtual desktop that is the same as the first virtual desktop of the master device.
  • a virtual desktop system including a master device and at least one slave device, where the master device includes the virtual desktop pushing device, the at least one slave
  • the control device includes the above-described virtual desktop reproducing device.
  • the at least one slave device receives the virtual desktop information from the master device through the multicast service, and reproduces the second virtual desktop that is the same as the first virtual desktop of the master device according to the virtual desktop information.
  • FIG. 1 is a schematic flowchart of a virtual desktop rendering method according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a virtual desktop pushing method according to an embodiment of the present invention
  • FIG. 4 is a block diagram showing a preferred structure of a virtual desktop pushing device according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a virtual desktop system according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a virtual desktop multicast push system according to a preferred embodiment of the present invention
  • FIG. 7 is a virtual desktop multicast according to a preferred embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a virtual desktop multicast client according to a preferred embodiment of the present invention
  • FIG. 9 is a schematic diagram showing a flow of establishing a virtual desktop multicast push client and a server according to a preferred embodiment of the present invention
  • 10 is a schematic flowchart of control information of a virtual desktop multicast push system according to a preferred embodiment of the present invention
  • FIG. 11 is a schematic diagram of a heartbeat keep-alive process of a virtual desktop multicast push system according to a preferred embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a virtual desktop replay method according to an embodiment of the present invention. As shown in FIG.
  • the process includes the following steps: Step S102, at least one slave control
  • the device receives the virtual desktop information from the master device through the multicast service.
  • Step S104 Reproduce the second virtual desktop that is the same as the first virtual desktop of the master device according to the virtual desktop information.
  • the multicast service is used to multicast the virtual desktop information from the master device to the one or more slave devices.
  • the master device directly unicasts the virtual desktop information to each slave device in a unicast manner. The way, the pressure on the server is reduced, and the bandwidth requirement of the virtual desktop system is reduced.
  • the virtual desktop information includes: change information of the first virtual desktop.
  • the size of the virtual desktop information is further reduced by pushing the change information of the first virtual desktop from the master device to the slave device, thereby further saving bandwidth requirements and server pressure.
  • the virtual desktop information includes at least one of the following: interface change information of the first virtual desktop, audio change information of the first virtual desktop, or mouse change information of the first virtual desktop, where the mouse change information includes a change in location of the mouse Information and mouse status change information, for example, the mouse changes from pointer shape to hand shape.
  • the second virtual desktop can be supported to reproduce the display interface, audio signals, and mouse actions on the first virtual desktop.
  • the step S104 may include: pushing the virtual desktop information to the channel corresponding to the virtual desktop information, where the corresponding channel includes at least one of the following: a display channel corresponding to the interface change information, and an audio corresponding to the audio change information. a channel, or a mouse channel corresponding to the mouse change information; reproduces the same second virtual desktop as the first virtual desktop through the corresponding channel.
  • the method further includes: filtering and/or parsing the virtual desktop information, for example, filtering out information to be pushed to different channels from the virtual desktop information, and respectively pushing the information to the corresponding channel for processing; the virtual desktop information is not corresponding
  • filtering and/or parsing the virtual desktop information for example, filtering out information to be pushed to different channels from the virtual desktop information, and respectively pushing the information to the corresponding channel for processing; the virtual desktop information is not corresponding
  • the virtual desktop information pushed to different channels can also be parsed by a parsing device.
  • the virtual desktop re-creation method further includes: maintaining a connection between the at least one slave device and the master device by using a heartbeat keep-alive process, where the heartbeat keep-alive process includes: sending, by the at least one slave device to the master device a first heartbeat packet, and maintaining a connection according to the first back packet of the first heartbeat packet, and/or the master device transmitting the second heartbeat packet to the at least one slave device, and responding according to the at least one slave device
  • the second packet of the second heartbeat packet remains connected.
  • the time interval for sending the heartbeat packet can be set.
  • the embodiment further provides a virtual desktop pushing method, the method includes: Step S204: The master device pushes virtual desktop information to the at least one slave device through the multicast service, where the virtual desktop information is used for the at least one slave control The device reproduces the second virtual desktop that is the same as the first virtual desktop of the master device.
  • 2 is a schematic flowchart of a preferred method for pushing a virtual desktop according to an embodiment of the present invention. As shown in FIG. 2, the virtual desktop pushing method is further performed before the virtual desktop information is pushed to the at least one slave device through the multicast service.
  • Step S202 Obtain virtual desktop information, where the virtual desktop information includes at least one of: interface change information of the first virtual desktop, audio change information of the first virtual desktop, or mouse change information of the first virtual desktop.
  • the embodiment further provides a virtual desktop reproducing device, which is located in at least one slave device.
  • the virtual desktop re-appearing apparatus is used to implement the above-mentioned virtual desktop re-creation method.
  • the specific implementation process of the signaling sending apparatus described in the apparatus embodiment has been described in detail in the method embodiment, and details are not described herein again.
  • 3 is a structural block diagram of a virtual desktop reproducing apparatus according to an embodiment of the present invention. As shown in FIG.
  • the apparatus includes a receiving module 32 and a reproducing module 34, wherein the receiving module 32 is configured to receive from a multicast service.
  • the virtual desktop information of the master device; the recurring module 34 is coupled to the receiving module 32, and configured to reproduce the second virtual desktop that is the same as the first virtual desktop of the master device according to the virtual desktop information.
  • the modules and units involved in the embodiments of the present invention may be implemented by software, or may be implemented by hardware.
  • the described modules and units in this embodiment may also be disposed in a processor. For example, it may be described as follows:
  • a processor includes a receiving module 32 and a reproducing module 34. The names of these modules do not constitute a limitation on the module itself under certain circumstances.
  • the receiving module may also be described as "a module that is set to receive virtual desktop information from the master device through the multicast service.”
  • the virtual desktop information includes: change information of the first virtual desktop, for example: the virtual desktop information includes at least one of: interface change information of the first virtual desktop, audio change information of the first virtual desktop, or the first virtual desktop Mouse change information.
  • the re-creation module 34 is configured to push the virtual desktop information to the channel corresponding to the virtual desktop information, where the corresponding channel includes at least one of the following: a display channel corresponding to the interface change information, and corresponding to the audio change information. An audio channel, or a mouse channel corresponding to the mouse change information; reproduces the same second virtual desktop as the first virtual desktop through the corresponding channel.
  • the device further includes: a keep-alive module configured to maintain a connection between the at least one slave device and the master device through a heartbeat keep-alive process, wherein the heartbeat keep-alive process comprises: at least one slave device to the master The device sends the first heartbeat packet, and keeps the connection according to the first packet of the first heartbeat packet, and/or the master device sends the second heartbeat packet to the at least one slave device, and according to at least one slave The device responds to the second packet of the second heartbeat packet and remains connected.
  • the embodiment also provides a virtual desktop pushing device, which is located in the main control device, and the virtual desktop pushing device is configured to implement the virtual desktop pushing method.
  • the virtual desktop pushing device includes: a pushing module, configured to push virtual desktop information to the at least one slave device through the multicast service, where the virtual desktop information is used by the at least one slave device to reproduce the first virtual with the master device
  • the second virtual desktop with the same desktop may be implemented by software, or may be implemented by hardware.
  • the described modules and units in this embodiment may also be disposed in a processor. For example, it may be described as follows: A processor includes a push module. The name of these modules does not constitute a limitation on the module itself under certain circumstances.
  • FIG. 4 is a block diagram of a preferred structure of a virtual desktop push device according to an embodiment of the present invention.
  • the device further includes: an obtaining module 44 coupled to the push module 42 and configured to obtain virtual desktop information, where The virtual desktop information includes at least one of the following: interface change information of the first virtual desktop, audio change information of the first virtual desktop, or mouse change information of the first virtual desktop.
  • This embodiment also provides a virtual desktop system.
  • FIG. 5 is a structural block diagram of a virtual desktop system according to an embodiment of the present invention. As shown in FIG.
  • the virtual desktop system includes: a master control device 52 and at least one slave device. 54.
  • the master device 52 includes the virtual desktop pushing device described above, and the at least one slave device 54 includes the virtual desktop reproducing device described above. Description and description are made below in conjunction with the preferred embodiments.
  • the preferred embodiment provides a cloud terminal virtual desktop multicast push system and method applied to classroom teaching, and the system and method relate to cloud computing technology.
  • the server end by adopting the multicast technology in the cloud terminal virtual desktop system, the server end (corresponding to the above-mentioned master control device) needs to send a message to a special multicast group. When multiple recipients of the network (equivalent to the above-mentioned slave devices) are interested in this message, they can freely copy this message from this group.
  • a cloud computing-based virtual desktop architecture is added based on a C/S mode-based desktop multicast system. Therefore, a cloud terminal virtual desktop multicast push system and method for classroom teaching is proposed, which combines multimedia teaching equipment, advanced computer-aided teaching equipment and newly emerged cloud computing technology to realize the true meaning of networked teaching. And intelligent management of various teaching equipment can improve the quality and efficiency of teaching.
  • the preferred embodiment provides a cloud terminal virtual desktop multicast push system applied to classroom teaching, including a virtual desktop multicast server (equivalent to the above-mentioned master device) ) and virtual desktop multicast client (equivalent to the above slave device).
  • the system is embedded in a cloud-based virtual desktop system, and a virtual desktop multicast server module and a virtual desktop multicast client module are added to the virtual desktop architecture.
  • the virtual desktop multicast server is embedded in the cloud server of the virtual desktop, and includes a multicast module of the display channel, a multicast module of the audio channel, a multicast module of the mouse channel, and a multicast control channel module.
  • the multicast module of the display channel is set to multicast the current desktop display data of the virtual machine.
  • the multicast module of the above audio channel is set to multicast the current audio data of the virtual machine.
  • the multicast module of the above mouse channel is set to multicast the current mouse data of the virtual machine.
  • the multicast control channel module is configured to implement a control function for the multicast client.
  • the virtual desktop multicast client includes a network data receiving module, a desktop push client protocol processing module, and a desktop push client channel command processing module.
  • the network data receiving module is responsible for receiving all multicast data on the client side with a thread guarded to the multicast socket.
  • the desktop push client protocol processing module is responsible for judging the received multicast data and determining which channel the multicast is for, and dispatching it to the designated channel processing module.
  • the desktop push client channel command processing module is responsible for completing the command data of the display channel, the audio channel and the mouse channel pushed to the client, and reproducing the desktop display of the server through the display and the sound device of the terminal.
  • the preferred embodiment further provides a cloud terminal virtual desktop multicast push method applied to classroom teaching, which includes the following steps: First, create a desktop pool on the server and activate, create a virtual machine for the desktop pool, and set the virtual machine for the virtual machine. The multicast address and port of the video, audio, and mouse, install the operating system of the virtual machine and add storage.
  • FIG. 6 is a schematic structural diagram of a virtual desktop multicast push system according to a preferred embodiment of the present invention.
  • the virtual desktop multicast push system of the preferred embodiment is embedded.
  • the system includes: a virtual desktop multicast server 610 and a virtual desktop multicast client 620.
  • the virtual desktop multicast server 610 is mainly responsible for transmitting multicast data and implementing control on the multicast client.
  • the virtual desktop multicast client 620 is installed on the cloud terminal and is mainly responsible for receiving display data pushed from the multicast virtual desktop and presenting it on the client operating system screen.
  • FIG. 7 is a schematic structural diagram of a virtual desktop multicast server according to a preferred embodiment of the present invention. As shown in FIG. 7, the virtual desktop multicast server 610 is a module embedded in the cloud server, and the virtual desktop multicast server is provided.
  • the modules included in the 610 include a multicast module 611 for displaying channels, a multicast module 612 for audio channels, a multicast module 613 for mouse channels, and a multicast control channel module 614.
  • the multicast module 611 of the display channel is set to multicast the current desktop display data of the virtual machine.
  • the multicast module 712 of the audio channel is arranged to multicast the current audio data of the virtual machine.
  • the multicast channel 613 of the mouse channel is set to multicast the current mouse data of the virtual machine.
  • the multicast control channel module 614 is configured to implement control functions for the virtual desktop multicast client.
  • FIG. 8 is a schematic structural diagram of a virtual desktop multicast client according to a preferred embodiment of the present invention. As shown in FIG.
  • the module owned by the virtual desktop multicast client 620 includes a network data receiving module 621 and a desktop push client protocol processing module 622.
  • the network data receiving module 621 is responsible for receiving all multicast data on the client side with a thread guarded to the multicast socket.
  • the desktop push client protocol processing module 622 is responsible for judging the received multicast data and determining which channel the multicast is for, and dispatching it to the designated channel processing module.
  • the desktop push client channel command processing module 623 includes three small modules, which are a display channel command processing module 6231, a mouse channel command processing module 6232, and an audio channel command processing module 6233, which are responsible for completing the display channel and audio channel pushed to the client.
  • FIG. 9 is a schematic diagram of a process of establishing a link between a virtual desktop multicast push client and a server according to a preferred embodiment of the present invention.
  • the process of establishing a multicast client and a server may include: Step 1: Multicast client The terminal sends a link establishment request to the server. Step 2: The cloud server determines whether the link should be established according to the received request. Step 3: The cloud server allows the link to be established and returns initialization information, including video, mouse, and audio.
  • Step 4 The multicast client initializes the video, the mouse, and the audio channel according to the information returned by the server, and joins the corresponding multicast group to start accepting data and processes the data.
  • Step 5 The cloud server adds the client to the multicast pool.
  • the multicast client establishes a control channel with the cloud server to process information at the same time.
  • 10 is a schematic flowchart of control information of a virtual desktop multicast push system according to a preferred embodiment of the present invention. As shown in FIG. 10, when a cloud server has a message to notify a client, the multicast pool is searched first, and the multicast pool is searched.
  • FIG. 11 is a schematic diagram of a heartbeat keep-alive process of a virtual desktop multicast push system according to a preferred embodiment of the present invention.
  • the heartbeat keep-alive process of the virtual desktop multicast push system includes two parts: a heartbeat protection of the multicast client. Live and cloud server's heartbeat keeps alive. When the multicast client times out, the multicast client sends a heartbeat packet to the cloud server, and the cloud server returns the packet. After receiving the multicast client, the heartbeat failure count is cleared. If not received, the heartbeat failure count is counted.
  • the multicast client voluntarily quits.
  • the cloud server notifies the multicast control module to send a heartbeat packet to all registered multicast clients in the multicast pool.
  • the multicast client returns the packet, and the cloud server receives the corresponding multicast.
  • the heartbeat failure count of the client is cleared. If it is not received, the heartbeat failure count of the multicast client is incremented by one.
  • the multicast client is removed from the multicast pool.
  • a sender simultaneously transmits the same data to multiple recipients, and only needs to copy the same data packet, which improves the data transmission efficiency and reduces the possibility of congestion in the backbone network.
  • the master controller automatically receives the multicast when the master starts multicasting, and implements automatic switching of the multicast client.
  • the multimedia teaching equipment, advanced computer-aided teaching equipment and the newly emerged cloud computing technology are deeply combined to realize the true meaning of networked teaching, and intelligently manage various teaching equipments to improve teaching quality and efficiency.
  • Industrial Applicability According to the embodiment of the present invention, a multicast service is used to multicast virtual desktop information from a master device to one or more slave devices, and the master device is unicast to each slave device in the related art.
  • the way of unicasting virtual desktop information reduces the pressure on the server and reduces the bandwidth requirement of the virtual desktop system.
  • the problem caused by the server pressure caused by the increase of the client when sharing the virtual desktop in the related art is solved.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.

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  • Human Computer Interaction (AREA)
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Abstract

La présente invention porte sur un procédé et un dispositif de reproduction et de pousser de bureau virtuel, et sur système de bureau virtuel, le procédé de reproduction de bureau virtuel comprenant les étapes suivantes: au moins un dispositif de commande esclave reçoit des informations de bureau virtuel en provenance d'un dispositif de commande maître par l'intermédiaire d'un service de diffusion groupée; et conformément aux informations de bureau virtuel, reproduction d'un second bureau virtuel identique au premier bureau virtuel du dispositif de commande maître. La présente invention résout des problèmes causés, dans l'état antérieur de la technique, par la forte charge sur des serveurs résultant d'une augmentation des clients partageant des bureaux virtuels, réduit la charge sur le serveur et abaisse l'exigence de bande passante du système de bureau virtuel.
PCT/CN2014/075739 2013-10-21 2014-04-18 Procede et dispositif de reproduction et de pousser de bureau virtuel, et systeme de bureau virtuel WO2014180234A1 (fr)

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CN201310496341.8A CN104580308A (zh) 2013-10-21 2013-10-21 虚拟桌面重现、推送的方法、装置及虚拟桌面系统
CN201310496341.8 2013-10-21

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