CN105357260B - Realize system, VDI data cache method and the VDI buffer memory device of virtual desktop - Google Patents
Realize system, VDI data cache method and the VDI buffer memory device of virtual desktop Download PDFInfo
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- CN105357260B CN105357260B CN201510631373.3A CN201510631373A CN105357260B CN 105357260 B CN105357260 B CN 105357260B CN 201510631373 A CN201510631373 A CN 201510631373A CN 105357260 B CN105357260 B CN 105357260B
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
The present invention provides a kind of system for realizing virtual desktop, which includes: server, runs multiple virtual machines, for providing running environment for terminal, and responds the operation requests of the terminal；The buffer memory device connecting with terminal, the buffer memory device is deployed in the local area network where terminal, and is communicated by wide area network or special line with the server；Pass through the display protocol docked using buffer memory device with server, allow buffer memory device based on the data type in application layer identification data flow, then optimal matching algorithm is selected respectively according to data type, to farthest carry out flow subduction to data stream using data stream matches algorithm, flow subduction effect can be improved.In addition, additionally providing the method and VDI buffer memory device of a kind of VDI data buffer storage.
Description
[technical field]
The present invention relates to field of communication technology, more particularly to a kind of system for realizing virtual desktop, VDI data buffer storage
Method and VDI buffer memory device.
[background technique]
VDI (Virtual Desktop Infrastructure), i.e. virtual desktop architecture.Core is by number
Run desktop operating system according to the server at center, user by the transport protocol of client device and these long-range desktops into
Row connection, so that the desktop that user accesses them is like the traditional local desktop of access.With server and storage at
Demand of this decline and client to safety and centralized management is more and more vigorous, and desktop virtualization increasingly becomes a kind of
Trend.But in VDI system, since server needs to show to client transmissions image, pass through the data flow of network transmission
It is bigger, it is easy to appear the situation of network bandwidth resources deficiency.
In traditional technology, stream caching technology is usually used, flow is cut down, as shown in figure 4, traditional stream caches
Scheme needs respectively to configure a display protocol agency in server end and terminal respectively, by carrying out characteristic matching to data stream,
Repeated data section is removed, achievees the purpose that flow subduction.But since traditional stream buffering scheme is with the data in transport layer
Stream can only carry out the matching of feature level to these binary data streams, cannot really understand display as cache object
Agreement.Such as: assuming that character BS represents display backup surface (standby desktop) in display protocol, but existing stream is slow
It deposits and only just knows that BS is a symbol, just because of the defect, makes existing stream buffering scheme to the effect of the flow subduction under VDI scene
It is limited.
[summary of the invention]
Based on this, it is necessary to which system, the VDI data for providing a kind of realization virtual desktop that can improve flow subduction effect are slow
The method and VDI buffer memory device deposited.
A kind of system for realizing virtual desktop, the system comprises: server runs multiple virtual machines, for being terminal
Running environment is provided, and responds the operation requests of the terminal；The buffer memory device connecting with terminal, the buffer memory device are deployed in
In local area network where terminal, and communicated by wide area network or special line with the server；The buffer memory device is for connecing
The data flow that server is sent is received, using the display protocol docked with the server, based on data flow described in application layer identification
In data type select corresponding data stream matches algorithm the number of the correspondence data type according to the data type
According to being matched, the data after matching are cached according to the data type.
The buffer memory device is also used to the deployment as gateway to realize gateway function in one of the embodiments,.
The buffer memory device also uses the data of high-speed processing apparatus memory buffers in one of the embodiments,.
The buffer memory device is also used to provide after the broadcast message for receiving terminal transmission in one of the embodiments,
Own IP address gives the terminal；Or the system also includes terminals, the domain name solution for sending specified domain name to Intranet
Server is analysed, receives the IP address for the buffer memory device that domain name resolution server returns and according to the buffer memory device
IP address is connected to the server.
The server is also used to data cached using high-speed processing apparatus in one of the embodiments,.
The server is also used to when receiving the data access request of terminal transmission in one of the embodiments,
Judge whether the data requested access to had accessed, if so, notice buffer memory device transmission is corresponding data cached to the end
End.
A kind of method of VDI data buffer storage, which comprises receive server send data flow, using with it is described
The display protocol of server docking, based on the data type in data flow described in application layer identification, according to the data type, choosing
It selects corresponding data stream matches algorithm to match the data of the correspondence data type, by the data after matching according to described
Data type is cached.
The step of data by after matching are cached according to the data type in one of the embodiments,
Are as follows: the data after matching are cached according to the data type into high-speed processing apparatus
A kind of VDI buffer memory device, comprising: data stream reception module, for receiving the data flow of server transmission；Data class
Type identification module, for utilizing the display protocol docked with the server, based on the number in data flow described in application layer identification
According to type；Data match module, for selecting corresponding data stream matches algorithm the correspondence number according to the data type
It is matched according to the data of type；Data cache module, for caching the data after matching according to the data type.
Data after the data cache module is used to match in one of the embodiments, are according to the data type
Caching is into high-speed processing apparatus.
The system of above-mentioned realization virtual desktop, the method for VDI data buffer storage and VDI buffer memory device, by being set using caching
The standby display protocol docked with server allows buffer memory device based on the data type in application layer identification data flow, after
And select optimal matching algorithm respectively according to data type, thus farthest using data stream matches algorithm to data flow
Flow subduction is carried out, flow subduction effect can be improved.Delay in addition, the system of above-mentioned realization virtual desktop only needs to configure in terminal
Equipment is deposited, does not need allocating cache equipment in server end, to simplify deployment, reduces failure and point occurs.
[Detailed description of the invention]
Fig. 1 is the architecture diagram that the system of virtual desktop is realized in one embodiment；
Fig. 2 is the flow chart of VDI data cache method in one embodiment；
Fig. 3 is the structural block diagram of VDI buffer memory device in one embodiment；
Fig. 4 is the architecture diagram that the system of virtual desktop is realized in traditional technology.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, in one embodiment, providing a kind of system for realizing virtual desktop, which includes service
Device 102 and the buffer memory device 104 being connect with terminal；Wherein:
Server 102 runs multiple virtual machines, for providing running environment for terminal, and responds the operation requests of terminal.
Specifically, virtual machine is a kind of software, it can create a kind of environment between computer platform and terminal user,
And terminal user is then the environment that is created based on this software come operating software.In virtual desktop system, server 102
Desktop operating system is run, running environment is provided for terminal, the figure of desktop operating system is only shown in terminal, without on it
Required desktop software is installed, terminal is attached by transport protocol and long-range server desktop, server 102
The operation requests of terminal are responded, so that the desktop of user access server is like the traditional local desktop of access, terminal
It can be smart phone, tablet computer, desktop computer and the electronic equipment (thin terminal) dedicated for access VDI desktop
Deng server 102 can be an independent server, be also possible to the server cluster of multiple servers composition.
The buffer memory device 104 connecting with terminal, buffer memory device 104 are deployed in the local area network where terminal, and by wide
Domain net or special line are communicated with server 102.
Specifically, the terminal being connected with buffer memory device 104 has multiple, buffer memory device 104 is deployed in where multiple terminals
In local area network, by gateway and wide area network or private line access, then by wide area network or private line access to server 102, thus
Realize the communication between terminal, buffer memory device and server.In practical applications, generally there are multiple branch's machines in each company
There are multiple terminals in structure, each branch, and a buffer memory device is equipped in the local area network where multiple terminals and is used to cache number
According to.
Buffer memory device 104 is used to receive the data flow of the transmission of server 102, is assisted using the display docked with server 102
View, selects corresponding data stream matches algorithm pair according to the data type based on the data type in application layer identification data flow
The data of the corresponding data type are matched, and the data after matching are cached according to data type.
Specifically, display protocol is the agreement of application layer, buffer memory device 104 can realize display protocol with server 102
The docking of level can identify that the data type in display protocol data flow, common data type have based on display protocol
Picture type, Video Stream type, Audio Stream type, rendering order type, character types, subtype etc., according to different numbers
According to type, the corresponding optimal compression algorithm of selection, data stream matches algorithm.For example, picture type selects picture compression algorithm,
Video Stream type selects video stream compression algorithm, to be optimal the purpose of compression.Further, by the data after matching according to
Data type carries out classification caching.
In the present embodiment, by the display protocol docked with server using buffer memory device, so that buffer memory device can be with
Based on the data type in application layer identification data flow, optimal matching algorithm is then selected respectively according to data type, thus
Flow subduction farthest is carried out to data stream using data stream matches algorithm, flow subduction effect is improved, in addition, above-mentioned
The system for realizing virtual desktop is only needed in terminal allocating cache equipment, does not need allocating cache equipment in server end, thus
Deployment is simplified, reduces failure and point occurs.
In one embodiment, buffer memory device 104 is also used to the deployment as gateway to realize gateway function.
Specifically, gateway function can be integrated on buffer memory device 104, so that the function of gateway may be implemented in buffer memory device
Can, i.e., on the one hand buffer memory device can be used to data cached, on the other hand can function as gateway use, realize on the whole
" two-in-one " functionally, eliminates unnecessary deployment, has accomplished plug and play.
In one embodiment, buffer memory device also uses the data of high-speed processing apparatus memory buffers.
Specifically, common high-speed processing apparatus has RAM card, SSD (Solid State Drives solid state hard disk), it is high
Speed storage equipment can be accessed quickly, the speed of data access be accelerated, to accelerate the speed of data stream transmitting.
In one embodiment, buffer memory device 104 is also used to provide itself after the broadcast message for receiving terminal transmission
IP address gives the terminal.In the present embodiment or other embodiments, the system of realizing virtual desktop, further includes: terminal is used
In sending domain name resolution server of the specified domain name to Intranet, receives the caching that domain name resolution server returns and set
Standby IP address is simultaneously connected to the server according to the IP address of the buffer memory device.
In the present embodiment, terminal only needs to configure basic network equipment, the i.e. IP of itself IP and server, does not need to match
Set the IP of buffer memory device.Terminal can be in same Intranet by sending broadcast, and buffer memory device receives the broadcast of terminal transmission
The IP of itself is provided after message to terminal.In addition, terminal can also be given by sending specified domain name (such as http://acc.xx)
The IP address of buffer memory device is returned to terminal by the domain name resolution server of Intranet, domain name resolution server.Terminal is according to acquisition
The IP address of buffer memory device be connected to server.
In the present embodiment, terminal obtains the IP address of buffer memory device by way of broadcast or domain name mapping, then
By the IP address Connection Cache equipment, the cache match for automatically beginning to data flow automatically begins to accelerate, and it is right in advance not need
The IP address and other parameters of buffer memory device are configured, and complicated network settings are avoided.
In one embodiment, server also uses high-speed processing apparatus data cached.
Specifically, common high-speed processing apparatus has SSD, RAM card, high-speed processing apparatus has quick access capability,
Because its access speed can match with central processing unit, it is commonly used to mitigate speed between central processing unit and main memory and mismatches
Contradiction.
In one embodiment, server is also used to judge to request when receiving the data access request of terminal transmission
Whether the data of access had accessed, if so, notice buffer memory device transmission is corresponding data cached to the terminal.
In the present embodiment, terminal has multiple, and when server receives the data access request of terminal transmission, judgement should
Whether the data requested access to have been accessed, if so, sending instructions to buffer memory device, buffer memory device sends corresponding caching
Data since server does not need to retransmit a large amount of data flow, and only send one and instruct to buffer memory device to terminal,
To greatly reduce the flow of wide area network.Specifically, such as there are 2 terminals in a branch, it is assumed that terminal 1 accesses some
Website causes it to need to show that a picture, server have sent a display picture command to terminal 1, and the data are by caching
Equipment is buffered, if terminal 2 has accessed same website, server will not send display picture command to terminal 2, but rather indicate that
Buffer memory device sends the display picture command of caching to terminal 2.
In one embodiment, as shown in Fig. 2, providing a kind of VDI data cache method, this method is to be applied to caching
It is illustrated in equipment.This method comprises:
Step 202, the data flow that server is sent is received.
In the present embodiment, the operation requests of server response terminal, the corresponding data stream of terminal request is first sent to
Buffer memory device carries out cache match, then the data after matching are sent to terminal.
Step 204, using the display protocol docked with the server, based on the number in data flow described in application layer identification
According to type.
In this example it is shown that agreement is application layer protocol, buffer memory device can directly carry out display association with server
The docking of layer, that is, application layer is discussed, can identify the data type in display protocol data flow.
Step 206, according to the data type, select corresponding data stream matches algorithm to the data of corresponding data type
It is matched.
In the present embodiment, common data type has picture type, Video Stream type, Audio Stream type, rendering order
Type, character types, subtype etc. select optimal compression algorithm, data stream matches to calculate according to different data types
Method.For example, picture type selects picture compression algorithm, Video Stream type selects video stream compression algorithm, to be optimal compression
Purpose.
Step 208, the data after matching are cached according to the data type.
In the present embodiment, the data flow sent by receiving server, is assisted using the display docked with the server
View, selects corresponding data stream matches according to the data type based on the data type in data flow described in application layer identification
Algorithm matches the data of the correspondence data type, and the data after matching are cached according to the data type.
Optimal matching algorithm is selected respectively according to data type, to farthest flow into using data stream matches algorithm to data
Row flow subduction, the data after matching are carried out to caching by type can be data cached to the greatest extent, accelerates the biography of data
It is defeated.
In one embodiment, the step of data after matching being cached according to the data type are as follows: will match
Data afterwards are cached according to the data type into high-speed processing apparatus.
Specifically, common high-speed processing apparatus has SSD, RAM card, high-speed processing apparatus can be accessed quickly,
The speed of data access is accelerated, to accelerate the speed of data stream transmitting.
In one embodiment, as shown in figure 3, providing a kind of VDI buffer memory device, which includes:
Data stream reception module 302, for receiving the data flow of server transmission.
Data type identification module 304, for being based on application layer identification using the display protocol docked with the server
Data type in the data flow.
Data match module 306, for selecting corresponding data stream matches algorithm to corresponding institute according to the data type
The data for stating data type are matched.
Data cache module 308, for caching the data after matching according to the data type.
In one embodiment, data cache module be also used to by matching after data according to the data type cache to
In high-speed processing apparatus.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of system for realizing virtual desktop, which is characterized in that the system comprises:
Server runs multiple virtual machines, for providing running environment for terminal, and responds the operation requests of the terminal；
The buffer memory device connecting with terminal, the buffer memory device are deployed in the local area network where terminal, and by wide area network or
Special line is communicated with the server, and a buffer memory device is equipped in the local area network where multiple terminals for caching number
According to；
The buffer memory device is used to receive the data flow of server transmission, utilizes the display protocol docked with the server, institute
The agreement that display protocol is application layer is stated, based on the data type in data flow described in application layer identification, according to the data class
Type selects corresponding data stream matches algorithm to match the data of the correspondence data type, the data after matching is pressed
It is cached according to the data type.
2. system according to claim 1, which is characterized in that the buffer memory device is also used to the deployment as gateway with reality
Existing gateway function.
3. system according to claim 1, which is characterized in that the buffer memory device also uses high-speed processing apparatus storage slow
The data deposited.
4. system according to claim 1, which is characterized in that the buffer memory device is also used to receiving terminal transmission
Own IP address is provided after broadcast message to the terminal；Or
The system also includes:
Terminal, the domain name resolution server for sending specified domain name to Intranet receive domain name resolution server and return
The buffer memory device IP address and the server is connected to according to the IP address of the buffer memory device.
5. system according to claim 1, which is characterized in that the server also uses high-speed processing apparatus to cache number
According to.
6. system according to claim 1, which is characterized in that the server is also used to when the number for receiving terminal transmission
When according to access request, judge whether the data requested access to had accessed, if so, notice buffer memory device sends corresponding caching
Data give the terminal.
7. a kind of VDI data cache method, which comprises
The data flow that server is sent is received, a buffer memory device is equipped in the local area network where multiple terminals for caching number
According to；
Using the display protocol docked with the server, the display protocol is the agreement of application layer, is based on application layer identification
Data type in the data flow；
According to the data type, data progress of the corresponding data stream matches algorithm the correspondence data type is selected
Match；
Data after matching are cached according to the data type.
8. the method according to the description of claim 7 is characterized in that the data by after matching according to the data type into
The step of row caching are as follows:
Data after matching are cached according to the data type into high-speed processing apparatus.
9. a kind of VDI buffer memory device characterized by comprising
Data stream reception module is equipped with one in the local area network where multiple terminals for receiving the data flow of server transmission
A buffer memory device is for data cached；
Data type identification module, for using the display protocol docked with the server, the display protocol to be application layer
Agreement, based on the data type in data flow described in application layer identification；
Data match module, for selecting corresponding data stream matches algorithm the correspondence data according to the data type
The data of type are matched；
Data cache module, for caching the data after matching according to the data type.
10. VDI buffer memory device according to claim 9, which is characterized in that the data cache module will be for after matching
Data cache according to the data type into high-speed processing apparatus.
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| CN108023597B (en) * | 2016-10-28 | 2021-03-05 | 沈阳高精数控智能技术股份有限公司 | Numerical control system reliability data compression method |
| EP3674846B1 (en) * | 2017-10-13 | 2023-12-06 | Huawei Technologies Co., Ltd. | Method and apparatus for compressing and decompressing memory occupied by processor |
| CN110858837B (en) * | 2018-08-24 | 2022-09-06 | 阿里巴巴集团控股有限公司 | Network management and control method and device and electronic equipment |
| CN113064693B (en) * | 2021-04-08 | 2022-09-16 | 北京天融信网络安全技术有限公司 | Cloud desktop starting method, device and system and storage medium |
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