KR101445539B1 - Method for testing server for cloud streaming service, apparatus and system therefor - Google Patents

Abstract

The present invention relates to a method of testing a server for a cloud streaming service, and an apparatus and a system for the same. The present invention receives predetermined test data transmitted from at least one server through at least one virtual client module, To capture the resultant image output from each of the at least one virtual client module, compare the captured resultant image with the reference resultant image, and determine whether the at least one server has failed based on the match, As a result, it is possible to more easily detect whether the server providing the cloud streaming service operates normally, thereby improving the service quality by preventing the service failure.

Description

TECHNICAL FIELD [0001] The present invention relates to a testing method of a server for a cloud streaming service,

The present invention relates to a server test system, and more particularly, to a method of testing a server for a stable cloud streaming service by allowing a server that provides a cloud streaming service to test whether the server is operating normally, will be.

Cloud computing refers to Internet-based computer technology, which allows users to use the Internet at any time without having to install the necessary software on their computers, while simultaneously sharing data with various information and communication devices. In other words, an individual can access the Web and work on programs such as Photoshop and Office, and the work is stored on the Web. Ultimately, you can have only one server (computer) in the virtual space, and that many people can do their jobs through these computers. APM of bank, real-time seat reservation system of aircraft and train is representative.

As the IT technology develops, the application market grows, and the SNS market becomes more active, the amount of data such as user content is surging. Now, the data becomes supersaturated, and it becomes difficult to handle each terminal. This situation can be completely solved by the cloud system. And this cloud system will be the foundation for building a tiny device environment.

For example, in executing a service or a function requiring a large amount of image processing, the service or function may be executed through a server based on cloud computing, and only the executed result screen may be transmitted to the user's terminal So that the user can utilize services or functions requiring high-performance or high functionality through the terminal.

A technology that enables a user terminal to use various services or functions through a screen virtualization technology that executes a specific service or function according to a request of the user terminal and transmits the result to the user terminal is called a cloud streaming service.

In such a computing environment based on a cloud streaming service, since a major service or function is executed in the server, development of technology for detecting whether or not the server has failed is required.

Korean Patent Laid-Open No. 10-2011-0061418, June 09, 2011 (Name: Game Grammatical Packet Capture Analyzer and Method for Game Test)

The present invention has been proposed in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a testing method of a server for a cloud streaming service capable of testing whether a server providing a cloud streaming service operates normally, do.

In particular, the present invention provides a method and apparatus for receiving and outputting test data transmitted from a plurality of servers through a virtual client module that virtualizes a client device on a user side that has been provided with a cloud streaming service, The present invention relates to a server testing method for a cloud streaming service that can easily determine whether a plurality of servers are operating normally, and an apparatus and system for the same.

According to an aspect of the present invention, there is provided a testing apparatus including at least two virtual client modules for outputting test data from a different server to a predetermined screen, A comparison unit for capturing the resultant image of the test data output from the module at the same point of time and for comparing the captured resultant image with a predetermined reference resultant image; Wherein the comparison unit compares the result image of the test data output from the specific virtual client module among at least two or more virtual client modules and the test image of the test data output from the at least two or more virtual client modules, Any of the resulting image of the first group is the same with each other in the image is characterized in that set in the reference image results.

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In addition, in the test apparatus according to the present invention, if the captured result image matches the reference result image, the test control unit determines that the corresponding server does not have a failure, and determines that the server has a failure if the images do not coincide with each other .

A test system according to a preferred embodiment of the present invention includes at least two servers for transmitting predetermined test data for testing a failure, at least two virtual servers for receiving test data from different servers and outputting them to a screen, At least two or more virtual client modules each receive test data from different servers and capture the resultant image of the test data outputted at the same time point and compare the captured resultant image with a preset reference result image And a test apparatus for judging whether or not at least one server has failed according to whether or not the image is matched, wherein the test apparatus comprises: a resultant image of test data output from a specific virtual client module among at least two or more virtual client modules; None of the images even if the result of the first group is the same with each other in the resulting image of the test data output from one or more than one virtual client module is characterized in that set in the reference image results.

A method for testing a server for a cloud streaming service according to a preferred embodiment of the present invention includes the steps of receiving test data from different servers via at least two or more virtual client modules and outputting the test data to a screen, Capturing the resultant image of the test data outputted from each of the at least two or more virtual client modules at the same time point and comparing the captured resultant image with the reference resultant image; Wherein the reference result image is set as a result image output from a specific one of the at least one virtual client module or a resultant image is output from at least one virtual client module, The results are being set to the result image of the first group is the same to each other from among the images.

As another means for solving the problem of the present invention, there is provided a computer readable recording medium on which a program for executing a method of testing a server for the above-mentioned cloud streaming service is recorded.

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In order to test whether a server providing a cloud streaming service operates normally, at least one virtual client module having at least some functions identical to those of an actual client terminal is provided, and at least one test server And outputting the resultant image to a screen. The resultant image output from the at least one virtual client module is captured, and the captured resultant image is compared with a predetermined reference image, It is possible to more easily detect the failure of the server by determining whether the server is operating normally.

In addition, it is possible to confirm whether or not the server is operating normally, thereby preventing an error in data transmission from the server in advance.

In addition, the present invention can provide a stable cloud streaming service by detecting a failure of a server that provides a cloud streaming service in advance, thereby improving service quality.

1 is a diagram illustrating a test system of a server for a cloud streaming service according to an embodiment of the present invention.
2 is a diagram illustrating a server testing apparatus for a cloud streaming service according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of a virtual client module that receives and processes test data according to an embodiment of the present invention.
4 is a flowchart illustrating a test procedure in a test system of a server for a cloud streaming service according to an embodiment of the present invention.
5 is a flowchart showing an operation procedure in a test apparatus according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description and the accompanying drawings, detailed description of well-known functions or constructions that may obscure the subject matter of the present invention will be omitted. It should be noted that the same constituent elements are denoted by the same reference numerals as possible throughout the drawings.

The terms and words used in the present specification and claims should not be construed to be limited to ordinary or dictionary meanings and the inventor is not limited to the concept of terminology for describing his or her invention in the best way. It should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

Hereinafter, with reference to embodiments, a description will be made of a test technique that can detect whether a server for a cloud streaming service is normally operated beforehand, and prevent degradation of service quality due to a server failure.

1 is a diagram illustrating a configuration of a test system for a cloud streaming service according to an embodiment of the present invention.

Referring to FIG. 1, a cloud streaming system to which the present invention is applied includes a plurality of clients 100, 101, and 102 and a plurality of servers 130, 140, and 150 connected through a communication network 110, In order to test whether or not the cloud streaming system is operating normally, a plurality of servers 130, 140 and 150 are connected to each other through a communication network 100, And a test device 120 including a client module.

Although the following embodiments illustrate a test apparatus 120 that includes three servers 130, 140, and 150 and three virtual client modules, the number of servers and the number of virtual client modules is not limited thereto, And can be implemented in various combinations depending on the design.

The clients 100, 101 and 102 are terminals capable of transmitting and receiving various data via the communication network 110. In particular, the clients 100, 101 and 102 access the servers 130, 140 and 150 to provide a cloud streaming service Means a user-side device. For example, the clients 100, 101 and 102 may be a tablet PC, a laptop, a personal computer (PC), a smart phone, a personal digital assistant (PDA) An assistant, a smart TV, a mobile communication terminal, and a set-top box.

The clients 100, 101, and 102 may also include a browser for communicating with the servers 130, 140, and 150 via the communication network 110, a memory for storing programs and protocols, A microprocessor, and the like. That is, the clients 100, 101, and 102 may be any terminal as long as they can communicate with the servers 130, 140, and 150 and may be a broad concept including a communication computer such as a notebook computer, a mobile communication terminal, to be.

For example, the clients 100, 101, and 102 access the servers 130, 140, and 150 to request a specific service or function according to user input, and display a result screen on execution of the requested service or function And can receive and output it from the servers 130, 140, and 150.

The servers 130, 140 and 150 provide a specific service or function to a plurality of clients 100, 101 and 102 through the communication network 110, and can provide a cloud streaming service in particular. For example, the servers 130, 140, and 150 may provide a predetermined service or function, for example, a service or a function, regardless of the OS type, CPU performance, memory capacity, and other software and hardware specifications of the clients 100, Performs a service or function according to user input transmitted from the client (100, 101, 102) and provides a result screen to the client (100, 101, 102) so as to provide a service or a function requiring high- ). For this, the server 130, 140, 150 may have a screen virtualization function. In particular, in the present invention, the server 130, 140, 150 may transmit predetermined test data to each virtual client module of the test apparatus 120 in order to test whether the server 130, 140, 150 operates normally.

The communication network 110 refers to a network capable of transmitting and receiving data using an Internet protocol using various wired and wireless communication technologies such as an Internet network, an intranet network, a mobile communication network, and a satellite communication network. The communication network 110 may be a closed network such as a LAN (Local Area Network) or a WAN (Wide Area Network), an open network such as the Internet, a CDMA (Code Division Multiple Access), a WCDMA The concept is called the next generation network and computing network that will be implemented next, such as Multiple Access, Global System for Mobile Communications (GSM), Long Term Evolution (LTE) and Evolved Packet Core (EPC)

The test apparatus 120 is a device for testing whether the servers 130, 140, and 150 are operating normally. The test apparatus 120 includes at least one virtual client module having at least some functions of the clients 100, 101,

The test device 120 may receive test data transmitted from the at least one server 130, 140, 150 to the at least one virtual client module, Capturing an output image to be output, comparing the captured result image with a preset reference result image, and determining whether the at least one server has failed based on the degree of matching. More specifically, when at least one virtual client module performs data processing such as decoding on the test data received from the specific server 130 and then outputs the test data to the screen, If the resultant image does not coincide with the resultant image, the server 130 determines that the server 130 has a failure and does not operate normally. If they match, the server 130 determines that the server 130 operates normally . At this time, the capture time may be set based on a time point at which the test data is transmitted from at least one server 130, 140, or 150, and may be stored in advance in the test apparatus 120.

As described above, in the present invention, the virtual client modules receive test data from different servers. At least one virtual client module receives test data from different servers and compares the resultant image with the reference result image, It is determined whether the server is operating normally. That is, the normal operation of each of the servers 130, 140, and 150 is determined based on a screen image provided to the user by the actual clients 100, 101, and 102. For this, the test apparatus 120 can simultaneously request the transmission of test data to the at least one server 130, 140, 150. In response to the request signal, each of the servers 130, 140, Data can be transmitted. In addition, a virtual client module to receive and process test data transmitted from at least one server 130, 140, 150 may be set in advance. That is, at least one server 130, 140, 150 and at least one virtual client module may be mapped to one-to-one or many-to-one. Accordingly, when the test apparatus 120 requests transmission of the test data to the at least one server 130, 140 or 150, the test apparatus 120 can transmit information about the virtual client module to which the test data is to be transmitted, 140 and 150 so that test data can be received and processed sequentially from two or more servers when the two or more servers are mapped to the at least one server 130,

The configuration of the test apparatus 120 according to the embodiment of the present invention will be described in detail with reference to FIGS. 2 and 3 attached hereto.

2, the test apparatus 120 includes a test control unit 200, a storage unit 210, a comparison unit 220, an input unit 230, an output unit 240, at least one virtual client module 250 , 252, and 254, respectively. Although the number of the virtual client modules 250, 252 and 254 is three in the present embodiment, the number of the virtual client modules 250, 252 and 254 may be changed according to the system operation.

The test control unit 200 performs all necessary control to determine whether the servers 130, 140, and 150 have failed or not. When the test control unit 200 requests the determination of the failure, the test control unit 200 outputs the comparison result through the comparison unit 220, It is judged whether the server has failed or not according to whether the captured image of the screen matches the pre-stored reference result image. At this time, the point of time of requesting the determination of the failure may be the time when the data reception is detected by the virtual client modules 250, 252, 254 and the reception is completed, or the time when the failure determination request input is made through the input unit 230 And may be a time according to a predetermined period. In this way, a fault judgment request will occur according to the setting. In addition, the reference result image may be stored in advance, but it is also possible to set a result image output from a specific one of the at least one virtual client module 250, 252, 254 as a reference result image, The first group of result images matching each other among the result images output from the virtual client modules 250, 252, and 254 may be set as the reference result images.

The storage unit 210 may store information necessary for the operation of the test apparatus 120. [ The storage unit 210 stores capture timing information for capturing a resultant image of the test data to capture the resultant image of the test data transmitted from the at least one server 130, 140, and 150 at the same time. In addition, the storage unit 210 may store basic information about test data transmitted from a server, and may previously store a reference image at a specific time point, which is a criterion for determining whether a server has failed. The storage unit 210 may be an optical recording medium such as a magnetic medium such as a hard disk, a floppy disk and a magnetic tape, a compact disk read only memory (CD-ROM), and a digital video disk (DVD) A magneto-optical medium such as a floppy disk and a ROM, a random access memory (RAM), and a flash memory.

The comparison unit 220 requests transfer of a result image of the test data received from each of the virtual client modules 250, 252 and 254 to the screen according to the control of the test control unit 200, And outputs the comparison result to the test control unit 200 after comparing the images. For this, the comparison unit 220 may further perform the process of setting the reference result image.

The input unit 230 can generate a user input signal corresponding to a request or information of the server manager according to the operation of the server manager and can be realized by various input means that are currently commercialized or can be commercialized in the future. , A mouse, a joystick, a touch screen, a touch pad, or the like, as well as a gesture input means for sensing a user's motion and generating a specific input signal.

The output unit 240 is a means for providing a user with an operation result or status of the test apparatus 120. For example, the output unit 240 includes a display unit for visually outputting the result through a screen, a speaker for outputting an audible sound, can do. Particularly, in the present invention, the output unit 240 can visually output the result image processed and output from the at least one virtual client module 250, 252, and 254, and can also output the result image and the reference result image And the result of the server failure can be displayed.

The virtual client modules 250, 252 and 254 virtualize the clients 100, 101 and 102 connected to the servers 130, 140 and 150 and provided with the cloud streaming service, ) Function of at least a part of the functions. For example, the virtual client module 250, 252, and 254 may connect to a specific server 130, 140, 150 to receive respective test data from a specific server 130, 140, 150, (For example, decoding, etc.) to the client 100, 101, 102 and output the data to the screen through the output unit 240. [ At this time, the virtual client modules 250, 252, and 254 may capture the result image output to the screen at a specific time according to the result image request of the comparison unit 220, and may transmit the resultant image to the comparison unit 220. At this time, the capture time may be received from the comparison unit 220, or may be preset and stored. The capture of the resultant image may be performed, for example, by capturing image data stored in the frame buffer of the virtual client module 250, 252,

The internal configuration of the virtual client modules 250, 252, and 254 may be as shown in FIG. Since the configurations of the respective virtual client modules 250, 252, and 254 are the same, the virtual client module 250 will be described as an example in the description of FIG.

Referring to FIG. 3, the virtual client module 250 may include a controller 300, a communication unit 302, and a storage unit 304.

The virtual client module 250 may be a terminal device capable of receiving data provided from the servers 130, 140 and 150, for example, a tablet PC, a laptop, a personal computer ), A smart phone, a personal digital assistant (PDA), a smart TV, a mobile communication terminal, and a set-top box. Accordingly, the virtual client module 250 may be configured differently depending on what type of terminal device it is. Particularly, in the present invention, the virtual client module 250 may be implemented to perform the functions of receiving test data and decoding and displaying the received test data.

The control unit 300 performs overall control of the virtual client module 250 and extracts a result image output to the screen at a specific point in time according to a request from the server 130, And transmits it to the comparing unit 220. In addition, the control unit 300 may transmit a test data transmission request signal to the specific server 130, 140, or 150 through the communication unit 302. When transmitting the test data transmission request signal, identification information of the virtual client module that transmitted the test data can be transmitted together. In addition, the test data transmission request signal for each server can be sequentially transmitted according to the test schedule of the plurality of servers. have.

The communication unit 302 receives the test data transmitted from the servers 130, 140, and 150 through the communication network 110. The communication unit 302 can transmit and receive data through various communication methods as well as wired and wireless methods. In addition, the communication unit 302 may transmit and receive data using one or more communication methods. For this purpose, the communication unit 302 may include a plurality of communication modules that transmit and receive data according to different communication methods, respectively.

The storage unit 304 stores information necessary for the operation of the virtual client module 250 and may store test data received from the servers 130, In addition, it is possible to perform predetermined data processing on the received test data to finally save the data of the result image output to the screen, and to store the capture time information of the resultant image according to the setting in advance. The storage unit 304 may be an optical recording medium such as a magnetic medium such as a hard disk, a floppy disk and a magnetic tape, a CD-ROM (Compact Disc Read Only Memory), a DVD (Digital Video Disk) A magneto-optical medium such as a floppy disk and a ROM, a random access memory (RAM), and a flash memory.

Hereinafter, a process of testing whether or not the server is normally operated in the test system configured as described above will be described in detail with reference to FIGS. 4 and 5.

4 is a flowchart illustrating a procedure for testing whether a server is operating normally in a test system according to an embodiment of the present invention.

The servers 130, 140 and 150 simultaneously transmit the test data to the virtual client modules 250, 252 and 254 of the test apparatus 120 (S402 to S406). That is, one server 130 transmits test data to the virtual client module 250, the other server 140 transmits the test data to the virtual client module 252, and the remaining server 150 transmits the test data to the virtual client module 250 254, < / RTI > Alternatively, one virtual client module may sequentially receive test data from a plurality of servers 130, 140, and 150 with a time difference.

The test control unit 200 of the test apparatus 120 receiving the test data requests the comparison unit 220 to compare the test data according to the test request (S408, S410).

The comparison unit 220 of the test apparatus 120 requests transfer of the test data received from the servers 130, 140 and 150 to the respective virtual client modules 250, 252 and 254 (S412, S414 and S418).

Each of the virtual client modules 250, 252, and 254 transmits the received test data to the comparison unit 220 according to the request of the comparison unit 220 (S414, S418, and S422). At this time, the virtual client modules 250, 252, and 254 process the received test data as they are in the actual clients 100, 101, and 102, And transmits the resultant image to the comparing unit 220. The comparing unit 220 compares the captured image with the captured image.

Thereafter, the comparison unit 220 compares the captured result image obtained from the received test data with the predetermined reference result image, and transmits the comparison result to the test control unit 200 (S424, S426). Here, the reference result image may be a screen image that is displayed when the test data is normally transmitted and output in advance, and the result of the output from the specific virtual client module among the virtual client modules 250, 252, An image may be set as a reference result image and a first group of result images matching each other among the result images output from the virtual client module 250, 252, and 254 may be set as a reference result image. For this, the comparing unit 220 may further perform a process of setting a reference result image before performing the comparison.

If the resultant image captured in the test data received as a result of the comparison and the preset reference result image do not match with each other, the test control unit 200 determines that the server has a failure If they match, it is determined that there is no failure in the server (S428). At this time, the comparison result is transmitted to the test control unit 200 for each of the servers 130, 140, and 150, and the test control unit 200 determines whether or not the respective servers have failed according to the comparison result.

5 is a flowchart illustrating a procedure for testing whether the server 130, 140, 150 is normally operated in the test apparatus 120 according to an exemplary embodiment of the present invention.

First, when the test apparatus 120 becomes a test requesting point in a standby state, the test apparatus 120 receives test data transmitted from the servers 130, 140, and 150 through all of the virtual client modules provided therein and outputs the received test data to a screen The captured result image is compared with the reference result image (S500 to S504).

If the resultant image captured from the test data received as a result of the comparison does not coincide with the predetermined reference result image, the corresponding server determines that there is a failure. If they match, the server determines that there is no failure in the server (S506 to S510).

The reference result image may be a screen image that is displayed when the test data is normally transmitted and output in advance. The resultant image output from the specific virtual client module among the virtual client modules 250, 252, and 254 And may set the resultant image of the first group, which is the same among the resultant images output from the virtual client module 250, 252, and 254, as the reference resultant image.

Herein, in the latter case, that is, when the resultant images of the first group that match each other out of the resultant images output from the virtual client module 250, 252, and 254 are set as the reference resultant images, It is determined that the server mapped to the virtual client module 250, 252, or 254 outputting the result image that does not coincide with the virtual client module does not operate normally. This is typically based on the fact that a number of servers are operating normally but some of the servers are operating abnormally.

The method for testing a server for a cloud streaming service according to the present invention may be implemented in a form of software readable by various computer means and recorded in a computer-readable recording medium. Here, the recording medium may include program commands, data files, data structures, and the like, alone or in combination. Program instructions to be recorded on a recording medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. For example, the recording medium may be an optical recording medium such as a magnetic medium such as a hard disk, a floppy disk and a magnetic tape, a compact disk read only memory (CD-ROM), a digital video disk (DVD) Includes a hardware device that is specially configured to store and execute program instructions such as a magneto-optical medium such as a floppy disk and a ROM, a random access memory (RAM), a flash memory, do. Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like. Such hardware devices may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

It should be noted that the embodiments of the present invention disclosed in the present specification and drawings are only illustrative of specific examples for the purpose of understanding and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

The present invention relates to a system for testing whether a server providing a specific service operates normally, and more particularly to a system for checking if a server providing a cloud streaming service operates normally, Or failure can be prevented in advance, and it is possible to more easily detect whether or not the server is operating normally, thereby contributing to the development of the industry by stabilizing the cloud streaming service and improving the service quality.

100, 101, 102: client 110: communication network 120: test apparatus
130: server 200: test control unit 210:
220: comparison unit 230: input unit 240: output unit
250, 252, 254: virtual client module 300:
302: communication unit 304:

Claims (9)

At least two or more virtual client modules for outputting predetermined test data from different servers to a screen for receiving predetermined test data;
A comparator for capturing a resultant image of the test data output from the at least two virtual client modules at the same time point and comparing the captured resultant image with a predetermined reference resultant image;
A test controller for determining whether the at least one server has failed according to the comparison between the compared images through the comparison unit;
/ RTI >
Wherein the comparison unit compares the result image of the test data output from the specific virtual client module among the at least two virtual client modules and the result image of the test data output from the at least two virtual client modules, And setting one of the reference result images as the reference result image. delete delete The apparatus of claim 1,
If the captured result image and the reference result image coincide with each other, the server determines that there is no failure, and if the captured images do not match, the server determines that the server has a failure. At least two servers for transmitting predetermined test data for testing for failure;
And at least two or more virtual client modules for receiving test data from different servers and outputting the same to a screen, wherein the at least two virtual client modules each receive test data from different servers and output result images And comparing the captured result image with a predetermined reference result image to determine whether at least one of the servers has failed according to whether the image matches or not;
/ RTI >
Wherein the test apparatus is configured to compare the result image of the test data output from the specific virtual client module among the at least two virtual client modules and the result image of the test data output from the at least two virtual client modules, Wherein the server is configured to set one of the images as the reference result image. The test apparatus,
Receiving predetermined test data from different servers via at least two or more virtual client modules and outputting the received test data to a screen;
Capturing the resultant image of the test data output from each of the at least two virtual client modules at the same time point, and comparing the captured resultant image with the reference resultant image;
Determining whether the at least one server has failed based on whether the resultant image matches a reference result image;
/ RTI >
Wherein the reference result image is set to a result image output from a specific one of the at least one virtual client module or to a result image of a first group that matches one of the result images output from the at least one virtual client module The method comprising the steps of: delete 7. The method of claim 6,
If the captured result image and the reference result image coincide with each other, determining that the corresponding server does not have a failure, and if the captured result and the reference result image do not coincide with each other, determining that the server has a failure. A computer-readable recording medium recording a program for executing a method of testing a server for cloud streaming according to any one of claims 6 to 8.

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