WO2012043962A1 - 단말기에 따른 적응적 화면 가상화 방법 및 시스템 - Google Patents
단말기에 따른 적응적 화면 가상화 방법 및 시스템 Download PDFInfo
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- WO2012043962A1 WO2012043962A1 PCT/KR2011/004169 KR2011004169W WO2012043962A1 WO 2012043962 A1 WO2012043962 A1 WO 2012043962A1 KR 2011004169 W KR2011004169 W KR 2011004169W WO 2012043962 A1 WO2012043962 A1 WO 2012043962A1
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- Prior art keywords
- screen virtualization
- service
- user terminal
- rdp
- vnc
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
- H04L43/065—Generation of reports related to network devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/756—Media network packet handling adapting media to device capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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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
- H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
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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
- H04L67/133—Protocols for remote procedure calls [RPC]
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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
- H04L67/565—Conversion or adaptation of application format or content
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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
- H04L69/24—Negotiation of communication capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
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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
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
- H04L67/303—Terminal profiles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
Definitions
- the present invention relates to a method and a system capable of providing a screen virtualization service to various terminals requesting a service. More particularly, when a system profile is transmitted from a user terminal to a cloud device, the system profile received from the terminal is transmitted from the terminal. Generates a list of candidate screen virtualization technologies that can be processed by the terminal from the terminal, checks device load and processing capability for each technology, and enables web services through the screen virtualization technology determination unit, RDP (Remote Desktop Protocol) / VNC (Virtual Network Computing) Based on whether the video stream can be processed or not, the optimal screen virtualization technology candidate is determined based on the system profile of the terminal and the available resources of the device. I was able to expand the kind A.
- a technology for running a service or an application on a cloud device and receiving the result through a terminal is required.
- a screen virtualization (Presentation Virtualization) technology for driving only a service screen and audio in a terminal is required as a core technology.
- VNC Virtual Network Computing
- RDP Remote Desktop Protocol
- Web-based technology is used as client technology of virtualization server including screen virtualization.
- Web-based screen virtualization is a form in which a server or an application running on a server is provided to a terminal in the form of a web page, and the terminal consumes the service through a web service, and new technology standards such as HTML 5 are widely used.
- web-based screen virtualization may have limitations on the screen virtualization function depending on whether the terminal can support all the functions of the web browser.
- a web browser that supports all functions including flash and video can be run on a terminal with a high performance CPU.
- RDP or VNC-based image compressor panel virtualization technology can operate in a terminal with a relatively low CPU, but has a problem that it is difficult to operate in a low-performance set top box, a mobile phone.
- screen virtualization based on video compression technology requires the highest amount of computation to the terminal.
- most video decoding is processed in hardware in the terminal, so it can be operated in a set top box and a mobile phone with low CPU performance.
- screen virtualization based on video compression technology has a problem in that service cost increases due to high computational amount required to perform video compression on a server.
- the server when the user terminal transmits a system profile to the server, the server generates a list of candidate screen virtualization techniques that the terminal can process from the system profile received from the terminal, The system profile of the terminal and the server can be checked depending on whether the web service is available through the screen virtualization technology determination unit, whether RDP (Remote Desktop Protocol) / VNC (Virtual Network Computing) processing is available, and whether video streaming can be processed.
- RDP Remote Desktop Protocol
- VNC Virtual Network Computing
- a user terminal transmitting system profile information including a request service to a cloud device and receiving a virtualization service based on the system profile information from the cloud device; And receiving the system profile information from the user terminal through the communication network, generating a list of candidate screen virtualization technologies that can be processed by the user terminal from the system profile information, and confirming the device load by each technology and whether it can be processed.
- An adaptive screen virtualization system according to a terminal including a cloud device that determines a technology and provides a screen virtualization service to the user terminal through the determined screen virtualization technology may be provided.
- a communication unit for communicating with the user terminal through a communication network;
- a profile analyzer configured to generate a candidate screen virtualization technology list that the user terminal can process from the system profile information when system profile information is received from the user terminal;
- a device capacity analyzer for checking device load and processing capability of each technology according to the candidate screen virtualization technology list;
- a screen virtualization technology determination unit that determines a final screen virtualization technology according to the server load and processing capability of each technology of the candidate screen virtualization technology list;
- a controller for controlling to provide a screen virtualization service to the user terminal through the final screen virtualization technology when the final screen virtualization technology is determined based on the system profile information received from the user terminal.
- the profile analyzer may determine whether full browsing, Remote Desktop Protocol (RDP) / Virtual Network Computing (VNC), and video streaming are possible, respectively, and the possible functions are included in the candidate screen virtualization technology list. You can register.
- RDP Remote Desktop Protocol
- VNC Virtual Network Computing
- the profile analyzer in the case of the video streaming, the user terminal supports at least one codec and streaming protocol for audio and video, the average transmission speed of the network and the resolution of the terminal According to the available video / audio codec, it is possible to register at the candidate screen virtualization technology list if it is more than a predefined bit rate.
- the screen virtualization technology determination unit may determine a web service if the web service is possible and process it with RDP / VNC if the web service is impossible with respect to the device load and processing of each technology in the candidate screen virtualization technology list. If it cannot be processed by RDP / VNC, it can be processed through video streaming. If video streaming is not possible due to CPU load, it can be decided to process by RDP / VNC.
- the device capacity analyzer determines that the requested service can be supported by the web service based on the system profile information and that the user terminal can be serviced by the web browser when the user terminal can be fully browsed, and in the case of RDP / VNC, If the video is included, it is decided not to be processed. If the average data rate of the network is less than the data rate required for processing by RDP / VNC for each terminal resolution, it is determined that it cannot be processed by RDP / VNC. If video encoding is performed, the rising CPU load can be determined.
- the controller provides a screen virtualization service to the web, and if the user terminal supports RDP / VNC to determine RDP / VNC, the control unit virtualizes the screen to the RDP / VNC. If the video streaming is determined, the virtualization service may be provided through video streaming when the CPU load is below the threshold.
- a communication unit for communicating with the cloud device through a communication network;
- a profile manager which manages system profile information for transmission to the cloud device;
- a control unit which transmits the system profile information to the cloud device, and controls to receive and output data about a screen virtualization service from the cloud device through a final screen virtualization technology determined based on the system profile information;
- an output unit configured to output data related to the screen virtualization service received from the cloud device as a screen or a sound.
- system profile information may include the performance of a web browser, a video streaming playback function, whether the RDP / VNC client can be driven, a network state, resolution information, a request service, and the like.
- the performance of the web browser is classified by whether full browsing (web full-browsing) whether the web page on the Internet can be displayed without a problem, and whether the RDP / VNC client can be driven is divided into whether the RDP or VNC client can be driven
- the video streaming playback function includes a codec list and a streaming protocol installed in a terminal.
- the network state includes a type of network and an average transmission speed. It may include a service or an application.
- the user terminal is a communication network System profile information including web browser performance, video streaming playback, RDP (Remote Desktop Protocol) / VNC (Virtual Network Computing) client availability, network status, resolution, and request service are transmitted to the cloud device.
- RDP Remote Desktop Protocol
- VNC Virtual Network Computing
- an adaptive screen virtualization method according to a terminal of a cloud device communicating with a user terminal through a communication network, (a) system profile information from the user terminal Receiving; (b) generating a candidate screen virtualization technology list that the user terminal can process from the system profile information; (c) confirming device load and processing capability of each technology according to the candidate screen virtualization technology list; (d) determining a final screen virtualization technology according to the device load and processing capability of each technology in the candidate screen virtualization technology list; And (e) providing a screen virtualization service to the user terminal through the final screen virtualization technology.
- An adaptive screen virtualization method according to a terminal of a cloud device may be provided.
- step (b) the full screen (Full Browsing), RDP (Remote Desktop Protocol) / VNC (Virtual Network Computing), the video streaming (Video Streaming) is possible to check the possible functions of the candidate screen virtualization technology You can register on the list.
- the user terminal supports at least one codec and a streaming protocol for audio and video, and the average transmission speed of the network is determined by the user terminal.
- the candidate may be registered in the candidate screen virtualization technology list.
- the web service can be determined if the web service is possible and the device can be processed by RDP / VNC if the web service is not possible with respect to the device load and processing of each technology in the candidate screen virtualization technology list. If it cannot be processed by RDP / VNC, it can be processed through video streaming. If video streaming is not possible due to CPU load, it can be decided to process by RDP / VNC.
- the step (c) determines that the request service can be supported as a web service based on the system profile information, and that the service can be serviced by a web browser when the user terminal can be fully browsed, and in the case of RDP / VNC, the requested service. If video is included in the video, processing is determined as impossible. If the average data rate of the network is less than the data rate required for processing by RDP / VNC for each terminal resolution, it is determined that processing is not possible with RDP / VNC. When performing video encoding on the screen, the rising CPU load can be determined.
- the screen virtualization service is provided to the web.
- the user terminal supports RDP / VNC to the RDP / VNC. If the screen virtualization service is provided and the video streaming is determined, the video virtualization service may be provided through the video streaming when the CPU load is below the threshold.
- an adaptive screen virtualization method of the user terminal to communicate with the cloud device via a communication network (a) transmitting the system profile information to the cloud device ; (b) receiving data regarding a screen virtualization service from the cloud device through a final screen virtualization technology determined based on the system profile information; And (c) outputting data relating to the screen virtualization service received from the cloud device as a screen or a sound.
- system profile information may include the performance of a web browser, a video streaming playback function, whether the RDP / VNC client can be driven, a network state, resolution information, a request service, and the like.
- the performance of the web browser is classified by whether full browsing (web full-browsing) whether the web page on the Internet can be displayed without a problem, and whether the RDP / VNC client can be driven is divided into whether the RDP or VNC client can be driven
- the video streaming playback function includes a codec list and a streaming protocol installed in a terminal.
- the network state includes a type of network and an average transmission speed. It may include a service or an application.
- the RDP or VNC-based image compressor panel screen virtualization technology which can operate in a terminal having a relatively low CPU, can be driven in a low-performance set top box, a mobile phone, and the like.
- the cloud device can adaptively provide the optimal screen virtualization technology according to the performance of the terminal and the server. Can be.
- the number of users that can be processed by the server and the types of terminals that can be processed can be expanded.
- FIG. 1 is a view showing the overall configuration of an adaptive screen virtualization system according to a terminal according to an embodiment of the present invention.
- FIG. 2 is a block diagram illustrating a functional block of a user terminal according to an embodiment of the present invention.
- FIG. 3 is a block diagram showing a functional block of a cloud device according to an embodiment of the present invention.
- FIG. 4 is a flowchart illustrating an adaptive screen virtualization method according to an embodiment of the present invention.
- FIG. 5 is a flowchart illustrating an adaptive screen virtualization method according to a terminal of a cloud device according to an embodiment of the present invention.
- FIG. 6 is a flowchart illustrating an adaptive screen virtualization method of a user terminal according to an exemplary embodiment of the present invention.
- FIG. 7 is a diagram illustrating a transmission frame configuration of system profile information transmitted from a user terminal to a cloud device according to an exemplary embodiment of the present invention.
- FIG. 1 is a view showing the overall configuration of an adaptive screen virtualization system according to a terminal according to an embodiment of the present invention.
- an adaptive screen virtualization system 100 includes a user terminal 110, a communication network 120, a cloud server 130, and the like.
- the user terminal 110 includes a web browser performance, a video streaming playback function, a RDP (Remote Desktop Protocol) / VNC (Virtual Network Computing) client driving capability, a network state, a resolution, and a request service through the communication network 120.
- the system profile information is transmitted to the cloud device 130, and the virtualization service based on the system profile information is provided from the cloud device 130.
- the user terminal 110 may be a mobile terminal such as a mobile phone, a PDA or a smart phone when the communication network 120 is a mobile communication network, and may be a computer terminal when the communication network 120 is a wired communication network such as the Internet or a PSTN. .
- the communication network 120 may include a mobile communication network such as CDMA, WCDMA, or HSPA, a wired communication network such as the Internet and a PSTN, or a local area network such as Bluetooth or Zigbee.
- a mobile communication network such as CDMA, WCDMA, or HSPA
- a wired communication network such as the Internet and a PSTN
- a local area network such as Bluetooth or Zigbee.
- the cloud device 130 When the cloud device 130 receives the system profile information from the user terminal 110 through the communication network 120, the cloud device 130 generates a list of candidate virtualization technologies that the user terminal 110 can process from the system profile information, and the devices for each technology.
- the screen virtualization technology is determined by checking the load and whether it can be processed, and the screen virtualization service is provided to the user terminal 110 through the determined screen virtualization technology.
- FIG. 2 is a block diagram illustrating a functional block of a user terminal according to an embodiment of the present invention.
- the user terminal 110 includes a communication unit 210, a profile manager 220, a controller 230, an output unit 240, and the like.
- the apparatus may further include a memory for storing data.
- the communication unit 210 communicates with the cloud device 130 through the communication network 120.
- the profile manager 220 manages system profile information for transmitting to the cloud device 130.
- the system profile information may include the performance of a web browser, a video streaming playback function, whether the RDP / VNC client can be driven, a network state, resolution information, a request service, and the like.
- the streaming playback function includes a codec list and a streaming protocol installed in the terminal, the network state includes the type of network and the average transmission speed, and the requested service is a service or application requested by the user. ) May be included.
- the controller 230 transmits the system profile information to the cloud device 130, and controls to receive and output the data about the screen virtualization service from the cloud device 130 through the final screen virtualization technology determined based on the system profile information. .
- the output unit 240 outputs data regarding the screen virtualization service received from the cloud device 130 as a screen or sound. Accordingly, the output unit 240 may include a display unit for displaying data regarding the screen virtualization service on a screen, and an audio output unit for outputting data about the screen virtualization service as sound.
- FIG. 3 is a block diagram showing a functional block of a cloud device according to an embodiment of the present invention.
- the cloud device 130 includes a communication unit 310, a profile analyzer 320, a device capacity analyzer 330, a screen virtualization technology determiner 340, and a controller 350. And the like.
- the communication unit 310 communicates with the user terminal 110 through the communication network 120.
- the profile analyzer 320 When the system profile information is received from the user terminal 110, the profile analyzer 320 generates a candidate screen virtualization technology list that can be processed by the user terminal 110 from the system profile information.
- the profile analyzer 320 checks whether full browsing, Remote Desktop Protocol (RDP) / Virtual Network Computing (VNC), and video streaming are possible, respectively. You can register on the skills list.
- RDP Remote Desktop Protocol
- VNC Virtual Network Computing
- the profile analyzer 320 in the case of video streaming, the user terminal 110 supports at least one codec and streaming protocol for audio and video, the average transmission speed of the network According to the resolution of the terminal and the available video / audio codec, it is possible to register in the candidate screen virtualization technology list if the bit rate is equal to or greater than the predefined bitrate.
- the device capacity analyzer 330 checks the device load and processing capability of each technology according to the candidate screen virtualization technology list.
- the device capacity analysis unit 330 determines that the request service can be supported by the web service based on the system profile information and that the user terminal 110 can be serviced by the web browser when full browsing is possible. If video is included in the request service, it is determined to be impossible to process. If the average data rate of the network is less than or equal to the data rate required for processing by RDP / VNC for each terminal resolution, it is determined that it cannot be processed by RDP / VNC. In case the device performs video encoding on the screen, it is possible to predict the rising CPU load.
- the screen virtualization technology determination unit 340 determines the final screen virtualization technology according to the device load and processing capability of each technology in the candidate screen virtualization technology list.
- the screen virtualization technology determination unit 340 determines the web service if the web service is available and the RDP / VNC if the web service is not possible with respect to the device load and processing of each technology in the candidate screen virtualization technology list. If it can not be processed by RDP / VNC, it can be processed through video streaming, and if it is impossible to stream video by CPU load, it can be decided to process by RDP / VNC.
- the controller 350 controls to provide the screen virtualization service to the user terminal 110 through the final screen virtualization technology.
- the controller 350 provides a screen virtualization service to the web, and if the user terminal supports RDP / VNC to determine RDP / VNC, the control unit 350 provides a screen virtualization service to RDP / VNC. If the video streaming is determined, the virtualization service is controlled to be provided through video streaming when the CPU load is below the threshold.
- the cloud device 130 of the above-described configuration may be implemented in the form of a server, it may also be implemented in the form of another user terminal.
- FIG. 4 is a flowchart illustrating an adaptive screen virtualization method according to an embodiment of the present invention.
- the user terminal 110 through the communication network 120, the performance of the web browser, video streaming playback function, RDP (Remote Desktop Protocol) / VNC (Virtual Network Computing) client can be driven, network status,
- the system profile information including the resolution and the requested service is transmitted to the cloud device 130 (S410).
- the cloud device 130 generates a candidate screen virtualization technology list that can be processed by the user terminal 110 from the system profile information (S420).
- the cloud device 130 checks the device load and processing capability of each technology in the candidate screen virtualization technology list (S430).
- the cloud device 130 determines the screen virtualization technology according to the device load for each technology and whether processing is possible (S440).
- the cloud device 130 provides a screen virtualization service to the user terminal 130 through the determined screen virtualization technology (S450).
- FIG. 5 is a flowchart illustrating an adaptive screen virtualization method according to a terminal of a cloud device according to an embodiment of the present invention.
- the cloud device 130 receives system profile information from the user terminal 110 (S510).
- the cloud device 130 generates a candidate screen virtualization technology list that the user terminal 110 can process from the system profile information through the profile analyzer 320 (S520).
- the cloud device 130 first checks whether full browsing, Remote Desktop Protocol (RDP) / Virtual Network Computing (VNC), and video streaming are possible, and then selects possible functions. You can register at
- the user terminal 110 supports at least one codec and streaming protocol for audio and video, and the average transmission speed of the network corresponds to the resolution and available video / If the bit rate is equal to or greater than a predefined bit rate according to an audio codec, it can be registered in the candidate screen virtualization technology list. For example, if the user terminal 110 supports the H.264, AAC Codec, RTP steaming protocol, and the screen resolution is 800 * 480, if the average transmission rate is 1 Mbps or more, video streaming can be considered as possible. have. If the average transfer rate is less than 1 Mbps, video streaming can be considered impossible.
- the cloud device 130 checks the device load for each technology and whether it can be processed according to the candidate screen virtualization technology list (S530).
- the cloud device 130 first determines that the request service can be supported by the web service based on the system profile information, and that the user terminal 110 can be serviced by the web browser when full browsing is possible. In addition, in case of RDP / VNC, if video is included in the request service, it is determined that it cannot be processed. In addition, if the average data rate of the network is less than the data rate required for processing by the predefined RDP / VNC for each terminal resolution, it is determined that the process can not be processed by RDP / VNC. In the case of video streaming, when the screen is encoded by the cloud device 130, the rising CPU load may be predicted and determined.
- the cloud device 130 determines the final screen virtualization technology according to the device load and processing capability of each technology in the candidate screen virtualization technology list (S540).
- the cloud device 130 determines a web service if the web service is possible and checks whether it can be processed by RDP / VNC if the web service is impossible with respect to the device load and processing of each technology in the candidate screen virtualization technology list. If it cannot be processed by RDP / VNC, it can be processed through video streaming. If video streaming is impossible due to CPU load, it can be decided to process by RDP / VNC.
- the cloud device 130 provides a screen virtualization service to the user terminal 110 through the final screen virtualization technology (S550).
- the cloud device 130 when the final screen virtualization technology is determined as a web service, the cloud device 130 provides a screen virtualization service through the web. If the video streaming is determined, the virtualization service may be provided through video streaming when the CPU load is below the threshold.
- the cloud device 130 may inform the user terminal 110 of the inability to provide a service in the case of excluding the above-described web service, RDP / VNC, video streaming, and the like.
- FIG. 6 is a flowchart illustrating an adaptive screen virtualization method of a user terminal according to an exemplary embodiment of the present invention.
- the user terminal 110 transmits system profile information as shown in FIG. 7 to the cloud device 130 (S610).
- 7 is a diagram illustrating a transmission frame configuration of system profile information transmitted from a user terminal to a cloud device according to an exemplary embodiment of the present invention.
- the system profile information includes a list of codecs installed in a terminal as a function of a web browser, whether full browsing, RDP / VNC enablement of whether an RDP or VNC client can be run, and a video streaming playback function.
- Codec List a streaming protocol, and the terminal resolution
- a request service including a service or application requested by a user and a network state may include a type of network and an average transmission speed.
- the cloud device 130 may classify the performance of the web browser for the user terminal 110 into whether full browsing is possible to display a web page on the Internet without problems, and whether the DP / VNC client can be driven. Classifies whether the RDP or VNC client can be operated.
- the video streaming playback function is classified through the codec list and the streaming protocol installed in the terminal.
- the network status is determined by the network type and the average transmission speed.
- the request service can be classified through a service or an application requested by the user.
- the user terminal 110 receives data about the screen virtualization service from the cloud device 130 through the final screen virtualization technology determined based on the system profile information (S620).
- the user terminal 110 outputs data regarding the screen virtualization service received from the cloud device 130 as a screen or a sound (S630).
- the device when the user terminal transmits a system profile to the device, the device generates a list of candidate screen virtualization technologies that the terminal can process from the system profile received from the terminal, and the device load and processing for each technology. Based on the screen virtualization technology determination unit, whether the web service is available, whether the RDP / VNC can be processed or whether the video streaming can be processed, selects the best screen virtualization candidate based on the system profile of the terminal and the available resources of the server. By determining, the number of users that can be processed by the server and the types of terminals that can be processed can be expanded.
- the present invention can be applied to a cloud computing-based screen virtualization system, and can be applied to a screen virtualization related technology that can be serviced regardless of a wired or wireless communication network in a cloud-based service.
Abstract
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Claims (20)
- 통신망을 통해 웹브라우저의 성능, 비디오 스트리밍 재생 기능, RDP(Remote Desktop Protocol)/VNC(Virtual Network Computing) 클라이언트 구동 가능여부, 네트워트 상태, 해상도, 요청 서비스를 포함하는 시스템 프로파일 정보를 클라우드 장치에 전송하고, 상기 클라우드 장치로부터 상기 시스템 프로파일 정보에 기반한 화면가상화 서비스를 제공받는 사용자 단말기; 및상기 사용자 단말기로부터 통신망을 통해 상기 시스템 프로파일 정보를 수신하면, 상기 시스템 프로파일 정보로부터 상기 사용자 단말기가 처리 가능한 후보 화면가상화 기술 리스트를 생성하며, 각 기술별 장치 부하량 및 처리 가능여부를 확인하여 화면가상화 기술을 결정하며, 상기 결정된 화면가상화 기술을 통해 상기 사용자 단말기에 화면 가상화 서비스를 제공하는 클라우드 장치;를 포함하는 단말기에 따른 적응적 화면 가상화 시스템.
- 통신망을 통해 사용자 단말기와 통신하기 위한 통신부;상기 사용자 단말기로부터 시스템 프로파일 정보가 수신되면, 상기 시스템 프로파일 정보로부터 상기 사용자 단말기가 처리 가능한 후보 화면 가상화 기술 리스트를 생성하는 프로파일 분석부;상기 후보 화면가상화 기술 리스트에 따라 각 기술별 장치 부하량 및 처리 가능 여부를 확인하는 장치용량 분석부;상기 후보 화면가상화 기술 리스트의 상기 각 기술별 장치 부하량 및 처리 가능 여부에 따라 최종 화면가상화 기술을 결정하는 화면가상화 기술 결정부; 및상기 사용자 단말기로부터 수신된 시스템 프로파일 정보에 근거해 상기 최종 화면가상화 기술이 결정되면, 상기 최종 화면 가상화 기술을 통해 상기 사용자 단말기에 화면가상화 서비스를 제공하도록 제어하는 제어부;를 포함하는 클라우드 장치.
- 제 2 항에 있어서,상기 프로파일 분석부는, 풀 브라우징(Full Browsing), RDP(Remote Desktop Protocol)/VNC(Virtual Network Computing), 비디오 스트리밍(Video Streaming)이 가능한지를 각각 확인하여 가능한 기능을 상기 후보 화면가상화 기술 리스트에 등록하는 것을 특징으로 하는 클라우드 장치.
- 제 3 항에 있어서,상기 프로파일 분석부는, 상기 비디오 스트리밍의 경우, 상기 사용자 단말기가 오디오와 비디오에 대해 최소한 하나 이상의 코덱(Codec)과 스트리밍 프로토콜(Streaming Protocol)을 지원하고, 네트워크의 평균 전송속도가 단말기의 해상도 및 활용가능 비디오/오디오 코덱(Video/Audio Codec)에 따라 미리 정의된 비트율(Bitrate) 이상이면 가능한 것으로 상기 후보 화면가상화 기술 리스트에 등록하는 것을 특징으로 하는 클라우드 장치.
- 제 2 항에 있어서,상기 화면가상화 기술 결정부는, 상기 후보 화면가상화 기술 리스트의 각 기술별 장치 부하량 및 처리 가능 여부에 대해, 웹서비스가 가능하면 웹서비스를 결정하고, 웹서비스가 불가능하면 RDP/VNC로 처리 가능한지를 확인하며, RDP/VNC로 처리 불가능하면 비디오 스트리밍을 통해 처리하며, CPU의 부하로 비디오 스트리밍이 불가능하면 RDP/VNC로 처리 하도록 결정하는 것을 특징으로 하는 클라우드 장치.
- 제 2 항에 있어서,상기 장치용량 분석부는, 상기 시스템 프로파일 정보에 근거해 요청 서비스가 웹서비스로 지원 가능하고 상기 사용자 단말기가 풀 브라우징이 가능한 경우 웹브라우저로 서비스 가능한 것으로 결정하며, RDP/VNC의 경우 요청 서비스에 비디오가 포함되면 처리 불가로 결정하며, 네트워크의 평균 전송률이 미리 정의된 단말기 해상도별 RDP/VNC로 처리시 요구되는 데이터 전송률 이하이면 RDP/VNC로 처리 불가를 결정하며, 비디오 스트리밍의 경우 장치에서 화면을 비디오 인코딩하여 수행하는 경우 상승하는 CPU 부하를 결정하는 것을 특징으로 하는 클라우드 장치.
- 제 2 항에 있어서,상기 제어부는, 상기 최종 화면가상화 기술이 웹서비스로 결정되면 웹으로 화면가상화 서비스를 제공하고, 상기 사용자 단말기에서 RDP/VNC를 지원하여 RDP/VNC로 결정되면 상기 RDP/VNC로 화면 가상화 서비스를 제공하며, 비디오 스트리밍으로 결정되면, CPU 부하가 임계값 이하일 때 비디오 스트리밍을 통해 화면가상화 서비스를 제공하는 것을 특징으로 하는 클라우드 장치.
- 클라우드 장치와 통신망을 통해 통신하기 위한 통신부;상기 클라우드 장치에 전송하기 위한 시스템 프로파일 정보를 관리하는 프로파일 관리부;상기 시스템 프로파일 정보를 상기 클라우드 장치에 전송하며, 상기 클라우드 장치로부터 상기 시스템 프로파일 정보에 근거해 결정된 최종 화면가상화 기술을 통해 화면 가상화 서비스에 관한 데이터를 수신하여 출력하도록 제어하는 제어부; 및상기 클라우드 장치로부터 수신된 상기 화면 가상화 서비스에 관한 데이터를 화면 또는 음향으로 출력하는 출력부;를 포함하는 사용자 단말기.
- 제 8 항에 있어서,상기 시스템 프로파일 정보는 웹브라우저의 성능, 비디오 스트리밍 재생 기능, RDP/VNC 클라이언트 구동 가능여부, 네트워크 상태, 해상도 정보, 요청 서비스를 포함하는 것을 특징으로 하는 사용자 단말기.
- 제 9 항에 있어서,상기 웹브라우저의 성능은 인터넷 상의 웹페이지를 문제없이 표시할 수 있는지의 풀 브라우징(Full Browsing) 여부로 구분하고, 상기 RDP/VNC 클라이언트 구동 가능여부는 RDP 또는 VNC 클라이언트가 구동 가능한지로 구분하며, 상기 비디오 스트리밍 재생 기능은 단말기에 설치된 코덱 리스트(Codec List), 스트리밍 프로토콜(Streaming Protocol)을 포함하며, 상기 네트워크 상태는 네트워크의 종류와 평균 전송속도를 포함하며, 상기 요청 서비스는 사용자가 요청하는 서비스 또는 어플리케이션을 포함하는 것을 특징으로 하는 사용자 단말기.
- 사용자 단말기와 클라우드 장치가 통신망을 통해 통신하는 시스템의 단말기에 따른 적응적 화면 가상화 방법에 있어서,(a) 상기 사용자 단말기가 통신망을 통해 웹브라우저의 성능, 비디오 스트리밍 재생 기능, RDP(Remote Desktop Protocol)/VNC(Virtual Network Computing) 클라이언트 구동 가능여부, 네트워트 상태, 해상도, 요청 서비스를 포함하는 시스템 프로파일 정보를 상기 클라우드 장치에 전송하는 단계;(b) 상기 클라우드 장치가 상기 시스템 프로파일 정보로부터 상기 사용자 단말기가 처리 가능한 후보 화면가상화 기술 리스트를 생성하는 단계;(c) 상기 클라우드 장치가 상기 후보 화면가상화 기술 리스트의 각 기술별 장치 부하량 및 처리 가능여부를 확인하는 단계;(d) 상기 클라우드 장치가 상기 각 기술별 장치 부하량 및 처리 가능여부에 따라 화면가상화 기술을 결정하는 단계; 및(e) 상기 클라우드 장치가 상기 결정된 화면가상화 기술을 통해 상기 사용자 단말기에 화면 가상화 서비스를 제공하는 단계;를 포함하는 단말기에 따른 적응적 화면 가상화 시스템.
- 통신망을 통해 사용자 단말기와 통신하는 클라우드 장치의 단말기에 따른 적응적 화면 가상화 방법으로서,(a) 상기 사용자 단말기로부터 시스템 프로파일 정보를 수신하는 단계;(b) 상기 시스템 프로파일 정보로부터 상기 사용자 단말기가 처리 가능한 후보 화면 가상화 기술 리스트를 생성하는 단계;(c) 상기 후보 화면가상화 기술 리스트에 따라 각 기술별 장치 부하량 및 처리 가능 여부를 확인하는 단계;(d) 상기 후보 화면가상화 기술 리스트의 상기 각 기술별 장치 부하량 및 처리 가능 여부에 따라 최종 화면가상화 기술을 결정하는 단계; 및(e) 상기 최종 화면 가상화 기술을 통해 상기 사용자 단말기에 화면가상화 서비스를 제공하는 단계;를 포함하는 클라우드 장치의 단말기에 따른 적응적 화면 가상화 방법.
- 제 12 항에 있어서,상기 (b) 단계는, 풀 브라우징(Full Browsing), RDP(Remote Desktop Protocol)/VNC(Virtual Network Computing), 비디오 스트리밍(Video Streaming)이 가능한지를 각각 확인하여 가능한 기능을 상기 후보 화면가상화 기술 리스트에 등록하는 것을 특징으로 하는 클라우드 장치의 단말기에 따른 적응적 화면 가상화 방법.
- 제 13 항에 있어서,상기 (b) 단계는, 상기 비디오 스트리밍의 경우, 상기 사용자 단말기가 오디오와 비디오에 대해 최소한 하나 이상의 코덱(Codec)과 스트리밍 프로토콜(Streaming Protocol)을 지원하고, 네트워크의 평균 전송속도가 단말기의 해상도 및 활용가능 비디오/오디오 코덱(Video/Audio Codec)에 따라 미리 정의된 비트율(Bitrate) 이상이면 가능한 것으로 상기 후보 화면가상화 기술 리스트에 등록하는 것을 특징으로 하는 클라우드 장치의 단말기에 따른 적응적 화면 가상화 방법.
- 제 12 항에 있어서,상기 (d) 단계는, 상기 후보 화면가상화 기술 리스트의 각 기술별 장치 부하량 및 처리 가능 여부에 대해, 웹서비스가 가능하면 웹서비스를 결정하고, 웹서비스가 불가능하면 RDP/VNC로 처리 가능한지를 확인하며, RDP/VNC로 처리 불가능하면 비디오 스트리밍을 통해 처리하며, CPU의 부하로 비디오 스트리밍이 불가능하면 RDP/VNC로 처리하도록 결정하는 것을 특징으로 하는 클라우드 장치의 단말기에 따른 적응적 화면 가상화 방법.
- 제 12 항에 있어서,상기 (c) 단계는, 상기 시스템 프로파일 정보에 근거해 요청 서비스가 웹서비스로 지원 가능하고 상기 사용자 단말기가 풀 브라우징이 가능한 경우 웹브라우저로 서비스 가능한 것으로 결정하며, RDP/VNC의 경우 요청 서비스에 비디오가 포함되면 처리 불가로 결정하며, 네트워크의 평균 전송률이 미리 정의된 단말기 해상도별 RDP/VNC로 처리시 요구되는 데이터 전송률 이하이면 RDP/VNC로 처리 불가를 결정하며, 비디오 스트리밍의 경우 장치에서 화면을 비디오 인코딩하여 수행하는 경우 상승하는 CPU 부하를 결정하는 것을 특징으로 하는 클라우드 장치의 단말기에 따른 적응적 화면 가상화 방법.
- 제 12 항에 있어서,상기 (e) 단계는, 상기 최종 화면가상화 기술이 웹서비스로 결정되면 웹으로 화면가상화 서비스를 제공하고, 상기 사용자 단말기에서 RDP/VNC를 지원하여 RDP/VNC로 결정되면 상기 RDP/VNC로 화면 가상화 서비스를 제공하며, 비디오 스트리밍으로 결정되면, CPU 부하가 임계값 이하일 때 비디오 스트리밍을 통해 화면가상화 서비스를 제공하는 것을 특징으로 하는 클라우드 장치의 단말기에 따른 적응적 화면 가상화 방법.
- 클라우드 장치와 통신망을 통해 통신하는 사용자 단말기의 적응적 화면 가상화 방법으로서,(a) 상기 클라우드 장치에 시스템 프로파일 정보를 전송하는 단계; 및(b) 상기 클라우드 장치로부터 상기 시스템 프로파일 정보에 근거해 결정된 최종 화면가상화 기술을 통해 화면 가상화 서비스에 관한 데이터를 수신하는 단계; 및(c) 상기 클라우드 장치로부터 수신된 상기 화면 가상화 서비스에 관한 데이터를 화면 또는 음향으로 출력하는 단계;를 포함하는 사용자 단말기의 적응적 화면 가상화 방법.
- 제 18 항에 있어서,상기 시스템 프로파일 정보는 웹브라우저의 성능, 비디오 스트리밍 재생 기능, RDP/VNC 클라이언트 구동 가능여부, 네트워크 상태, 해상도 정보, 요청 서비스를 포함하는 것을 특징으로 하는 사용자 단말기의 적응적 화면 가상화 방법.
- 제 19 항에 있어서,상기 웹브라우저의 성능은 인터넷 상의 웹페이지를 문제없이 표시할 수 있는지의 풀 브라우징(Full Browsing) 여부로 구분하고, 상기 RDP/VNC 클라이언트 구동 가능여부는 RDP 또는 VNC 클라이언트가 구동 가능한지로 구분하며, 상기 비디오 스트리밍 재생 기능은 단말기에 설치된 코덱 리스트(Codec List), 스트리밍 프로토콜(Streaming Protocol)을 포함하며, 상기 네트워크 상태는 네트워크의 종류와 평균 전송속도를 포함하며, 상기 요청 서비스는 사용자가 요청하는 서비스 또는 어플리케이션을 포함하는 것을 특징으로 하는 사용자 단말기의 적응적 화면 가상화 방법.
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US20130179930A1 (en) | 2013-07-11 |
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US20140164605A1 (en) | 2014-06-12 |
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