KR101659580B1 - Apparatus and Method for Providing Virtual Desktop Infratructure - Google Patents

Apparatus and Method for Providing Virtual Desktop Infratructure Download PDF

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Publication number
KR101659580B1
KR101659580B1 KR1020150074122A KR20150074122A KR101659580B1 KR 101659580 B1 KR101659580 B1 KR 101659580B1 KR 1020150074122 A KR1020150074122 A KR 1020150074122A KR 20150074122 A KR20150074122 A KR 20150074122A KR 101659580 B1 KR101659580 B1 KR 101659580B1
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KR
South Korea
Prior art keywords
screen
channel
virtual desktop
unit
host
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KR1020150074122A
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Korean (ko)
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KR20160082672A (en
Inventor
오주병
민 장
김효철
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주식회사 코이노
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/14—Multichannel or multilink protocols
    • 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
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/02—Protocol performance

Abstract

The present invention relates to a virtual desktop infrastructure providing client device, comprising: a host connection manager for processing a connection to a virtual desktop host in response to a virtual desktop request from a user; Wherein the at least two channels include a stream channel for transmitting a multimedia playback screen and sound, and a screen channel for transmitting a document operation screen.

Figure R1020150074122

Description

[0001] Apparatus and Method for Providing Virtual Desktop Infrastructure [

The present invention relates to an apparatus and method for providing a virtual desktop infrastructure, and more particularly, to an apparatus and method for providing a virtual desktop infrastructure for improving video streaming performance.

User desktop remote access control technology and related solutions that can provide users the same environment or work the same regardless of location and time, as the development of wired and wireless network environment, the spread of smart devices and the development of cloud / virtualization technology Demand is increasing.

In addition, VDI (Virtual Desktop Infrastructure) technology based on the cloud environment is attracting attention. Virtual Desktop Infrastructure (VDI) is a service that provides a hard disk for storing data and application programs in the Internet space, and connects a virtual machine running on a virtual desktop host to a client.

Commercialization of technologies such as Microsoft, Citrix Systems, VMWare, etc., which are based on VDI element technology, which can support multimedia, can be realized. However, when analyzing the above commercialized product, it shows disadvantages such as operation only in a specialized virtualization host, lack of support for smart devices with excellent mobility, and the price is too high to be applied immediately at a high price.

In the case of desktop remote access and control technology, which has been developed for the first time in the 1990s in the context of VDI technology, it is very inconvenient to access a desktop PC from a remote desktop and work on documents or surf the Web. However, since it uses the first-generation protocol developed mainly for screen transmission before the age of multimedia, it is difficult to transmit video as multimedia contents, and audio can not be transmitted.

The present invention provides an apparatus and method for providing a virtual desktop infrastructure in which video streaming can be smoothly handled by improving a remote access control structure based on a short channel to multi-channels.

The present invention relates to a virtual desktop infrastructure providing client device, comprising: a host connection manager for processing a connection to a virtual desktop host in response to a virtual desktop request from a user; Wherein the at least two channels include a stream channel for transmitting a multimedia playback screen and sound, and a screen channel for transmitting a document operation screen.

A method of providing a virtual desktop infrastructure in a client, the method comprising: processing a connection to a virtual desktop host according to a virtual desktop request from a user; processing data input / output through the connected virtual desktop service host and two or more channels Wherein the two or more channels include a stream channel for transmitting a multimedia playback screen and sound, and a screen channel for transmitting a document operation screen.

1 is a configuration diagram of a virtual desktop infrastructure providing system according to an embodiment of the present invention.
2 is a block diagram of a client according to an embodiment of the present invention.
FIG. 3A is a signal flow diagram illustrating a method for providing a virtual desktop according to an embodiment of the present invention.
FIG. 3B is a diagram illustrating an example of multi-channel processing for providing a virtual desktop according to the present invention.
4 is a flowchart illustrating a channel change by toggling according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

1 is a configuration diagram of a virtual desktop infrastructure providing system according to an embodiment of the present invention.

Referring to FIG. 1, a virtual desktop infrastructure (VDI) providing system according to an embodiment of the present invention includes a virtual desktop host 200 and a plurality of clients 100. The virtual desktop host 200, And a plurality of clients 100 are connected via a network.

In the virtual desktop host 200, a hypervisor 220 is installed and performs a virtual machine 210 for a virtual desktop service on the hypervisor 220. Then, the user accesses the virtual machine 210 on the virtual desktop host 200 using the client 100. The actual execution of the virtual machine 210 is performed on the virtual desktop host 200, and only the user I / O task is performed in the client 100.

According to an embodiment of the present invention, the client 100 transmits and receives data to and from the virtual desktop host 200 over a multi-channel. This is to solve the problem that the control signal and the screen signal cause bottleneck by applying the conventional first generation protocol, and it is possible to improve the speed and quality by the multi-channel configuration.

Accordingly, the virtual machine 210 according to the embodiment of the present invention includes a multi-channel management function. Here, the multi-channel is composed of a main channel for transmitting a virtual desk-top providing screen, a control channel for transmitting control data, a stream channel for transmitting a synchronized screen and sound according to multimedia playback, Channels, and data channels through which data other than multimedia and documents are transmitted. Accordingly, the virtual machine 210 transmits / receives data through the corresponding channel according to the transmitted data.

2 is a block diagram of a client according to an embodiment of the present invention.

2, the hardware 110 of the client 100 includes a CPU 110a, a memory 110b, a storage 110c, an operation unit 110d, an audio output unit 110e, a display unit 110g, (110h). Here, the storage device 110c mounts only the client operating system 120 and the virtual desktop client software 130, and mounts the minimum capacity that can store them.

The operating system 120 manages the hardware 110 of the client device and provides an environment for performing the client software 130.

The VDI client software 130 includes a host connection management unit 131 and a virtual desktop processing unit 132. [ In accordance with an embodiment of the present invention, additionally includes a toggle processing unit 133. [

The host connection unit 131 handles a connection such as login / logout to the host 200 via the communication unit 110h in response to a virtual desktop request from the user.

The multi-channel management unit 132 performs input / output processing with respect to the virtual machine 210 of the connection-processed host 200, and processes input and output of data through two or more channels according to an embodiment of the present invention. A main channel processing unit 132a, a control channel processing unit 132b, a stream channel processing unit 132c, a screen channel processing unit 132d and a data channel processing unit 132e.

The main channel processing unit 132a receives the virtual desktop providing screen according to the connection of the host 200 to the virtual machine 210 from the communication unit 110h and outputs the received virtual desktop through the display unit 110g.

The control channel processing unit 132b transfers the control data input by the operating unit 110d such as a mouse, a keypad, and a touch screen to the virtual machine 210. [

The stream channel processing unit 132c is connected to the virtual machine 210 to process multimedia, for example, reproduction, and outputs it to the audio output unit 110e and the display unit 110g. The SPICE protocol based on the conventional cloud hypervisor is divided into a screen channel and a sound channel, thereby increasing the complexity of synchronization and implementation. In order to solve the problem of synchronization and implementation complexity through a stream channel, a streaming channel that can handle video multimedia contents can be configured separately, so that there is no need for a separate synchronization operation, thereby improving simplicity and efficiency .

The screen channel processing unit 132d receives the document operation screen in the virtual machine 210 and outputs it to the display unit 110g. That is, the screen channel is a screen channel dedicated to document operations, and is configured separately from the channel for the multimeter.

The data channel processing unit 132e performs various data processing in the virtual machine 210 and outputs it through the display unit 110g.

According to one embodiment of the present invention, the VDI client software 130 may further include a toggle processing unit 133 to enable the stream channel and the screen channel to toggle. That is, in processing the screen, the display unit 110g outputs an image processed by one of the stream channel processing unit 132c and the screen channel processing unit 132d, depending on whether it is a multimedia reproduction or a document operation. Therefore, the VDI client software 130 recognizes a predetermined key of the operation unit 110d as a toggle key, and when the toggle key 133 receives a signal from the toggle key, the VDI client software 130 determines whether the stream channel processing unit 132c and the screen channel processing unit 132d One is operated so as to be operated. A detailed description thereof will be given later with reference to Fig.

FIG. 3A is a signal flow diagram illustrating a method for providing a virtual desktop according to an embodiment of the present invention, and FIG. 3B is a diagram illustrating an example of multi-channel processing for providing a virtual desktop according to the present invention.

Referring to FIG. 3A, the client 100 executes the client software at the request of the user (S310). Then, the executed client software makes a connection request to the host (S420). At this time, the client software outputs a login screen or the like to the display unit 110g to perform a user authentication procedure and the like.

The host 200 sets up a session with the client 100 and the client 100 accesses the VDI UI for the virtual machine via the main channel processing unit 132a, (Step S340).

Then, the client 100 transmits an event request signal to the host 200 according to the input of the event through the VDI UI (S350) from the user (S360). At this time, the control channel processing unit 132b transmits the control signal applied through the operation unit 110d to the host 200 through the communication unit 110h.

In response to the event request, the host 200 activates a channel corresponding to the event (S370) and transmits the event correspondence data through the corresponding channel (S380). For example, as shown in FIG. 3B, when the event is a multimedia playback, the corresponding multimedia screen and sound are transmitted through the stream channel. However, if the event is a document operation, the document file output screen is transmitted through the screen channel.

4 is a flowchart illustrating a channel change by toggling according to an embodiment of the present invention.

Referring to FIG. 4, the toggle processing unit 133 of the client 100 determines whether the multimedia output state is present according to the input of the toggle signal (S410) (S420).

As a result of the determination in step S420, in the multimedia output state, the toggle processing unit 133 activates the screen channel (S430). That is, the toggle processing unit 133 makes an operation request to the screen channel processing unit 132d. Then, the screen channel processing unit 132d receives the document operation screen from the virtual machine 210 of the host 200 and outputs it to the display unit 110g (S440).

On the other hand, if it is determined in operation S420 that the document is in the working state, the toggle processor 133 activates the stream channel (S450). That is, the toggle processing unit 133 makes an operation request to the stream channel processing unit 132c. The stream channel processing unit 132c receives multimedia from the virtual machine 210 of the host 200 and outputs the multimedia to the audio output unit 110e and the display unit 110g at step S440.

Claims (5)

A display section,
An audio output unit,
A host connection management unit for processing a connection to a virtual desktop host in response to a virtual desktop request from a user,
And a channel manager for processing data input / output through the connected virtual desktop host and two or more channels,
The two or more channels
A stream channel in which a screen and sound according to multimedia playback in the virtual desktop host are transmitted together in a synchronized state,
And a screen channel for exclusively transmitting a document file output screen in the virtual desktop host,
The channel management unit
A stream channel processing unit for simultaneously reproducing a screen and sound transmitted in a synchronized state through the stream channel to the display unit and the audio output unit; and a screen channel processing unit for outputting a document file output screen transmitted through the screen channel to the display unit Including,
Wherein only one of the stream channel processing unit and the screen channel processing unit is operated by a toggle signal.
The apparatus of claim 1, wherein the channel management unit
A main channel processing unit for outputting a virtual desktop providing screen according to the virtual desktop host connection through a display unit;
A control channel processing unit for transmitting the control data input by the operation unit to the virtual desktop host;
Further comprising a data channel processing unit for receiving multimedia data and non-document data from the virtual desktop host and outputting the data to one of a display unit and an audio output unit.
The method according to claim 1,
Further comprising a toggle processing unit for toggling the screen channel and the stream channel depending on whether the multimedia file is multimedia playback or document operation.
In a method for providing a virtual desktop infrastructure at a client,
Processing a connection to a virtual desktop host in response to a virtual desktop request from a user,
Processing data input and output through the connected virtual desktop host and two or more channels,
The two or more channels
A stream channel in which a screen and sound according to multimedia playback in the virtual desktop host are transmitted together in a synchronized state,
A screen channel for transmitting only a document file output screen in the virtual desktop host,
The processing step
Simultaneously reproducing a screen and sound (transmitted) transmitted in a synchronized state through the stream channel on a display unit and an audio output unit;
And outputting a document file output screen transmitted through the screen channel to the display unit when the document file output screen is transmitted, wherein only one of the steps is performed by the toggle signal.
5. The method of claim 4,
Further comprising the step of toggling the screen channel and the stream channel according to whether the multimedia file is multimedia playback or document operation.
KR1020150074122A 2014-12-31 2015-05-27 Apparatus and Method for Providing Virtual Desktop Infratructure KR101659580B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060230438A1 (en) * 2005-04-06 2006-10-12 Ericom Software Ltd. Single sign-on to remote server sessions using the credentials of the local client
CN102866848A (en) * 2012-09-13 2013-01-09 电子科技大学 Method for controlling cloud classroom intelligent pointer based on wifi

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060230438A1 (en) * 2005-04-06 2006-10-12 Ericom Software Ltd. Single sign-on to remote server sessions using the credentials of the local client
CN102866848A (en) * 2012-09-13 2013-01-09 电子科技大学 Method for controlling cloud classroom intelligent pointer based on wifi

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