TW201447598A - System and method for displaying multimedia data of virtual machines on client devices - Google Patents

Abstract

The present invention provides a system and method for system and method for displaying multimedia data of virtual machines on client devices. The system is implemented by a center server that connects a plurality of client devices and one or more host devices through a network. Each of the host devices includes one or more virtual machines and a hypervisor. The center server controls a user account of each of the client devices, and obtains VM data from a virtual machine of the host device when a client device connects to the center server, and displays the VM data on the client device. When other client device connects to the center server, the center server does not access the virtual machine and only copies the same VM data from the virtual machine to the other client device, so as to decrease the network source and loading of the host device.

Description

Virtual machine screen display system and method

The present invention relates to a virtual machine management system and method, and more particularly to a virtual machine screen display system and method.

At present, when using a virtual machine (VM) video screen, the client (Client) must cooperate with the host (Host) to which the virtual machine belongs, so the client must customize the software, and Clients also need different client programs to support their use on different platforms. For the general virtual video camera screen connection mode, it is generally connected directly by the client to the host side to which the virtual machine belongs. When a client has multiple virtual machines, it needs to record information such as the host connection mode of each virtual machine, causing trouble for the user. In addition, when multiple clients use the same connection to the same virtual machine screen at the same time, it is easy to cause the network bandwidth of the host to be occupied by multiple connections, thereby increasing the network load of the host.

In view of the above, it is necessary to provide a virtual machine screen display system and method, which can control all connected client devices when multiple client devices are connected to the central server while using the virtual machine screen data in the host. Connect information and reduce the network bandwidth usage of the host to reduce the load on the host.

The virtual machine screen display system runs in a central server, and the central server is connected to a plurality of client devices and at least one host through a network. The system includes: a virtual machine query module, configured to connect a client device that wants to use a virtual machine screen to a central server, and receive account connection information from the client device, according to account connection information from each host Query a virtual machine that can be used by the client device, and display a list of connection information of all available virtual machines on the client device; a connection management module for connecting information from all the queried virtual machines In the list, select the virtual machine corresponding to the virtual machine screen used by the client device, and determine whether the central server establishes a communication connection with the selected virtual machine. If the central server does not establish a communication connection with the selected virtual machine, the central servo is used. And establishing a communication connection with the selected virtual machine; and a picture acquisition module, configured to obtain a communication connection between the central server and the selected virtual machine, and obtain the virtual machine from the virtual machine through the virtual machine manager corresponding to the selected virtual machine Virtual machine screen data, and the obtained virtual machine screen data is sent to the client device through the network, and the virtual machine screen data is Put and displayed on the client device.

The virtual machine screen display method is applied to a central server, and the central server is connected to a plurality of client devices and at least one host through a network. The method includes the steps of: connecting a client device that wants to use a virtual machine screen to a central server, and receiving account connection information from the client device; querying from each host for use by the client device according to the account connection information; a virtual machine, and displaying a list of connection information of all available virtual machines on the client device; selecting a virtual machine screen to be used by the client device from a list of connection information of all the queried virtual machines The virtual machine determines whether the central server establishes a communication connection with the selected virtual machine; if the central server does not establish a communication connection with the selected virtual machine, the central server establishes a communication connection with the selected virtual machine; if the central server and the central server The selected virtual machine has established a communication connection, and obtains virtual machine picture data from the virtual machine through the virtual machine manager corresponding to the selected virtual machine; and sends the obtained virtual machine picture data to the client through the network. The device plays and displays the virtual machine picture data on the client device.

When there are multiple client devices simultaneously using the same virtual machine, the virtual machine screen display method further includes the steps of: determining whether other client devices need to display the virtual machine screen data; if other client devices need to display the The virtual machine screen data is copied and sent to the other client device; and if no other client device needs to display the virtual machine screen data, the central server is disconnected from the selected virtual machine. And releasing the network broadband resource of the host occupied by the virtual machine picture data.

Compared with the prior art, the virtual machine picture display system and method of the present invention, when multiple client devices use the same virtual machine at the same time, the central server only needs to use the virtual machine of the first client device. Copying a copy of the screen data to another client device reduces the bandwidth requirement of the host to the bandwidth requirement of a virtual machine picture data, thereby reducing the network bandwidth usage of the host to reduce the load on the host.

1. . . Central server

10. . . Virtual machine screen display system

101. . . Virtual machine query module

102. . . Connection management module

103. . . Screen acquisition module

104. . . Disconnection management module

11. . . Storage device

12. . . CPU

2. . . Client device

3. . . Host

31. . . virtual machine

32. . . Virtual machine manager

4. . . network

1 is a schematic diagram of an operating environment of a preferred embodiment of a virtual machine screen display system of the present invention.

2 is a functional block diagram of a virtual machine screen display system of the present invention.

3 is a flow chart of a preferred embodiment of a virtual machine screen display method according to the present invention.

FIG. 4 is a schematic diagram of a list of connection information of all virtual machines in a host.

Referring to FIG. 1, a schematic diagram of an operating environment of a preferred embodiment of the virtual machine screen display system 10 of the present invention is shown. In the embodiment, the virtual machine screen display system 10 runs in the central server 1. The central server 1 further includes, but is not limited to, the storage device 11 and the central processing unit 12. The central server 1 is connected to the plurality of client devices 2 and at least one host 3 via the network 4. Each client device 2 can be an electronic communication device such as a desktop computer (PC), a notebook (Notebook), a Pad device, or the like. The network 4 may be an internet (such as a WAN or a LAN network) or a wireless communication network (such as a WiFi network).

In this embodiment, each host 3 includes, but is not limited to, a plurality of virtual machines (VMs) 31 and a virtual machine manager (hypervisor) 32. In this embodiment, each host 3 includes at least one virtual machine 31, and each virtual machine 31 has a virtual machine picture material that can be used by the client device 2. One host 3 shown in FIG. 1 includes a virtual machine VM1 and a virtual machine VM2, and the other host 3 includes a virtual machine VM3 and a virtual machine VM4. The virtual machine picture data (referred to as VM picture data) includes virtual machine image pictures and voice messages, etc., which can be processed by the central server 1 and used by each client device 2 for playing. The virtual machine manager 32 is configured to establish a video communication connection between the host 3 and the central server 1 through the network 4, and acquire the VM picture data from the corresponding virtual machine 31 and send it to the central server 1.

The virtual machine screen display system 10 controls the central server 1 to establish a communication connection with the virtual machine 31 in each host 3, and can control the connection information of all the client devices 2 connected to the central server 1, for example, including The number of client devices 2 connected to the central server 1, the video format, and the communication protocol are used to manage the security and simplicity of each client device 2 playing and displaying the VM screen data of the virtual machine 31. When there are multiple client devices 2 simultaneously using the VM screen material of the same virtual machine 31, the central server 1 only needs to transfer one copy of the VM screen data of the first client device 2 to another client device 2 That is, the bandwidth requirement of the host 3 is reduced to the bandwidth requirement of one VM picture data, thereby reducing the network bandwidth usage of the host 3 and reducing the load of the host 3.

Referring to FIG. 2, it is a functional module diagram of the virtual machine screen display system 10 of the present invention. In the embodiment, the virtual machine screen display system 10 includes a virtual machine query module 101, a connection management module 102, a screen acquisition module 103, and a disconnection management module 104. The functional module referred to in the present invention refers to a series of program instruction segments that can be executed by the central processing unit 12 of the central server 1 and that can perform fixed functions, which are stored in the storage device 11 of the central server 1. A description of the function of each functional module will be specifically described in the flowchart of FIG.

Referring to FIG. 3, it is a flow chart of a preferred embodiment of the virtual machine screen display method of the present invention. In the embodiment, the virtual machine screen display method is applied to the central server 1. When a plurality of client devices 2 are connected to the central server 1 and the virtual machine screen in the host 3 is used, the central servo is used. The device 1 can control the connection information of all connected client devices 2, and can reduce the network bandwidth usage of the host 3 to reduce the load of the host 3.

In step S31, the virtual machine query module 101 connects the client device 2 that wants to use the virtual machine screen to the central server 1, and receives account connection information from the client device 1. In this embodiment, the account connection information includes account management information, audio and video format information, and a communication protocol of the client device 1.

In step S32, the virtual machine query module 101 queries the virtual machine 31 available to the client device 2 from each host 3 according to the account connection information, and displays a list of connection information of all available virtual machines 31 on the client. On the end device 2. In this embodiment, the connection information list includes a host IP address (Host IP), a virtual machine port number (Port), a protocol (protocol), and an account password (password). As shown in FIG. 4, it is a schematic diagram of a list of connection information of all virtual machines 31 in the host 3. The list of connection information will be displayed on the client device 2 connected to the central server 1: (VM1) <-> (192.168.0.1, 6000, vnc, 123456); (VM2) <-> (192.168.0.1) , 6001, vnc, 234567); (VM3) <-> (192.168.0.2, 6000, vnc, 345678); and (VM4) <-> (192.168.0.2, 6001, vnc, 456789).

In step S33, the connection management module 102 selects the virtual machine 31 corresponding to the virtual machine screen used by the client device 2 from the connection information list of the virtual machine 31. In this embodiment, the user can select the virtual machine 31 corresponding to the virtual machine screen to be used from the connection information list displayed on the client device 2 by the connection management module 102. For example, the user can select the virtual machine VM1 or VM2 in the host 3 as the virtual machine 31 corresponding to the virtual machine screen used by the client device 2 according to requirements.

In step S34, the connection management module 102 determines whether the central server 1 establishes a communication connection with the selected virtual machine 31. If the central server 1 has not established a communication connection with the selected virtual machine 31, step S35 is performed; if the central server 1 has established a communication connection with the selected virtual machine 31, step S36 is performed.

In step S35, the connection management module 102 establishes a communication connection between the central server 1 and the selected virtual machine 31 according to the IP address of the host 3 and the port number of the virtual machine 31. The virtual machine 31 in each host 3 has a unique port number. For example, the port number of VM1 in the host 3 is 6000, for example, the port number of the VM2 is 6001.

In step S36, the screen acquisition module 103 acquires the virtual machine screen data from the virtual machine 31 through the virtual machine manager 32 corresponding to the selected virtual machine 31. The virtual machine screen data includes data such as a virtual machine image screen and a voice message, which can be played and displayed on the client device 2.

In step S37, the screen obtaining module 103 sends the acquired virtual machine screen data to the client device 2 through the network 4, and plays and displays the virtual machine screen data on the client device 2 for use. Use.

In step S38, the disconnection management module 104 determines whether there are other client devices that need to display the virtual machine screen data. If the other client device needs to display the virtual machine screen data, the process returns to step S37; if no other client device needs to display the virtual machine screen data, the process proceeds to step S39.

In step S39, the disconnection management module 104 disconnects the central server 1 from the selected virtual machine 31 to release the network broadband resources of the host 3 occupied by the virtual machine picture data.

Finally, it should be noted that, assuming that the client User1 wants to connect to the virtual machine VM3 in the host 3, the virtual machine VM3 can be directly selected in the connection information list displayed by the client device 2, and connected by the central server 1 to 192.168.0.2:6000 with the VNC protocol connection password is 345,678, you can get the virtual machine VM3 screen data, and the screen information to the customer User1. At this time, if the client User2 also wants to connect to the virtual machine VM3 in the host 3, since the central server 1 has connected to the 192.168.0.2:6000 to obtain the screen data of the virtual machine VM3, there is no need to connect again. Once the line is needed, it is only necessary to copy the same VM3 screen data given to the client User1 to the client User2, thereby reducing the bandwidth requirement of the host 3 to a picture data and transferring it to the central server 1, thereby reducing Host 3's network bandwidth usage and its workload.

The above is only the preferred embodiment of the present invention, and has been used in a wide range of applications. Any other equivalent changes or modifications that are not departing from the spirit of the present invention should be included in the following patent application. Within the scope.

1. . . Central server

10. . . Virtual machine screen display system

11. . . Storage device

12. . . CPU

2. . . Client device

3. . . Host

31. . . virtual machine

32. . . Virtual machine manager

4. . . network

Claims (16)

A virtual machine screen display system running in a central server, the central server is connected to a plurality of client devices and at least one host through a network, the system comprising:
The virtual machine query module is configured to connect the client device that wants to use the virtual machine screen to the central server, and receive account connection information from the client device, and query the available client from each host according to the account connection information. a virtual machine used by the end device, and a list of connection information of all available virtual machines is displayed on the client device;
The connection management module is configured to select a virtual machine corresponding to the virtual machine screen used by the client device from the list of connection information of all the queried virtual machines, and determine whether the central server establishes a communication connection with the selected virtual machine. If the central server does not establish a communication connection with the selected virtual machine, the central server establishes a communication connection with the selected virtual machine; and the picture acquisition module is configured to establish a communication connection between the central server and the selected virtual machine, Obtaining virtual machine screen data from the virtual machine through the virtual machine manager corresponding to the selected virtual machine, and sending the obtained virtual machine screen data to the client device through the network, and the virtual machine screen data is obtained Play and display on this client device. The virtual machine screen display system of claim 1, wherein the system further comprises a disconnection management module, configured to determine whether other client devices need to display the virtual machine screen data, and if other client devices If the virtual machine screen data needs to be displayed, the virtual machine screen is copied and sent to the other client device. If no other client device needs to display the virtual machine screen data, the central server is disconnected from the selected virtual machine. The communication is connected, and the network broadband resource of the host occupied by the virtual machine picture data is released. The virtual machine picture display system of claim 1, wherein the virtual machine picture data comprises a virtual machine image picture and a voice message material, which are played and displayed on each client connected to the virtual machine. On the end device. The virtual machine screen display system of claim 1, wherein the account connection information includes account management information, audio and video format information, and communication protocol information of the client device. The virtual machine screen display system of claim 1, wherein the connection information list comprises an IP address of the host, a port number of the virtual machine, a communication protocol of the host, and a connection to the virtual machine. Account password. The virtual machine screen display system of claim 5, wherein the connection management module connects the central server and the selected virtual machine according to the IP address of the host and the port number of the virtual machine. Establish a communication connection. The virtual machine picture display system of claim 1, wherein the host comprises a plurality of virtual machines and a virtual machine manager, each virtual machine having at least one virtual machine picture available for the client device. data. The virtual machine screen display system of claim 7, wherein the virtual machine manager is configured to establish a video communication connection between the host and the central server through the network, and obtain the virtual machine from the corresponding virtual machine. The screen data is sent to the central server. A virtual machine screen display method is applied to a central server, wherein the central server is connected to a plurality of client devices and at least one host through a network, and the method comprises the steps of:
Connecting the client device that wants to use the virtual machine screen to the central server, and receiving account connection information from the client device;
Querying, from each host, a virtual machine available to the client device according to the account connection information, and displaying a list of connection information of all available virtual machines on the client device;
Select a virtual machine corresponding to the virtual machine screen used by the client device from the list of connection information of all the queried virtual machines;
Determining whether the central server establishes a communication connection with the selected virtual machine;
If the central server does not establish a communication connection with the selected virtual machine, the central server establishes a communication connection with the selected virtual machine;
If the central server has established a communication connection with the selected virtual machine, the virtual machine manager obtains the virtual machine picture data from the virtual machine through the virtual machine manager corresponding to the selected virtual machine; and sends the obtained virtual machine picture data to the network through the network. The client device plays and displays the virtual machine picture data on the client device. The method for displaying a virtual machine screen according to claim 9, wherein the method further comprises the following steps:
Determining whether there are other client devices that need to display the virtual machine picture data;
If other client devices need to display the virtual machine screen data, copy the virtual machine screen and send it to the other client device; and if no other client device needs to display the virtual machine screen data, then the central server and the server The selected virtual machine disconnects the communication connection and releases the network broadband resource of the host occupied by the virtual machine picture data. The virtual machine screen display method according to claim 9, wherein the virtual machine screen data includes an image screen and a voice message data of the virtual machine, and is played and displayed on each virtual machine to the virtual machine. On the client device. The virtual machine screen display method of claim 9, wherein the account connection information includes account management information, video format information, and communication protocol information of the client device. The virtual machine screen display method according to claim 9, wherein the connection information list includes an IP address of the host, a port number of the virtual machine, a communication protocol of the host, and a connection to the virtual machine. Account password. The virtual machine screen display method according to claim 13, wherein the central server establishes a communication connection with the selected virtual machine according to the IP address of the host and the port number of the virtual machine. The virtual machine screen display method of claim 9, wherein the host comprises a plurality of virtual machines and a virtual machine manager, each virtual machine having at least one virtual machine screen available for the client device. data. The virtual machine screen display method according to claim 15, wherein the virtual machine manager is configured to establish a video communication connection between the host and the central server through the network, and obtain the virtual machine from the corresponding virtual machine. The screen data is sent to the central server.