KR101184080B1 - DCL Technology Based Interactive Service Platform and Service Method - Google Patents

Abstract

The present invention manages an application based on a DCL by a launcher pre-loaded in a set-top box (STB), so that unlimited execution (quantity) of applications can be executed in the STB and mutually free between applications in a service platform. Dynamic Class Loading (Dynamic Class Loading: DCL) technology that enables interworking and control, and to provide a service method, based on the check data received from the STB, the service status of the channel, whether the service is running or not Dynamic Class Loading (DCL) server that transmits service resource class file URL, image file URL, etc. to STB to provide location information needed to activate the channel's service, and is pre-loaded to STB and dynamically Manage location information and resources based on Dynamic Class Loading (DCL) to run applications in STB and between applications An application launcher for freely interworking and controlling a call and location information necessary for showing a service through the application launcher are received at the dynamic class loading (DCL) server, and an application required for service operation is requested by a user request. It is configured to include the STB to receive and provide to the user.

Description

Interactive class platform based on dynamic class loading technology and its service method {DCL Technology Based Interactive Service Platform and Service Method}

The present invention relates to an interactive service platform that overcomes the limitations of STB memory resources. In particular, the present invention relates to dynamic class loading that enables unlimited (quantity) application execution in a set-top box (STB) through real-time management of applications in the service platform. (Dynamic Class Loading: DCL) Technology-based interactive service platform and its service method. In addition, the Launcher pre-loaded in the STB manages the application based on the DCL, and the interactive service platform and the service method based on the DCL technology enable the free interaction and control between the applications in the service platform. It is about.

TV broadcasting provides programs to unspecified many people in one direction due to the nature of the mass media, and viewers can select and watch the desired programs from the numerous programs through channel search. This is being planned and provided.

In order to circumvent this broadcasting operation, a set-top box (STB) receiving broadcast information in recent years, a digital video storage device (DVR) storing and reproducing the information on a hard disk, and an IP that transmits video information to a remote terminal through IP communication are provided. By constructing streamer devices, methods for recording broadcast information and watching at a desired time have been proposed.

In addition, Internet Protocol Television (IPTV) is a digital convergence type in which broadcasting and communication are combined, and in addition to receiving broadcast signals transmitted from a program provider (PP) or terrestrial, cable, and satellite. It is a television receiver (TV) connected to an IP set-top box (STB) and provides Internet Contents On Demand (ICOD) services such as TV Internet contents and video contents (T-VOD) through an IP network. These IPTV services are called IPTV in the US, ADSL TV in Europe, and broadband broadcasting in Japan.

The IPTV service is an IP STB service through a broadband high-speed internet network. A TV connected to the terminal receives Internet multimedia content including audio, video, and packet data, and uses a TV service interactively by using a bidirectional communication channel as a return path concept.

As such, the STB is an interface device between the TV and the network. The STB is a platform for transmitting channels and two-way services transmitted through a network through an IP cable, satellite, and terrestrial wave. The STB maintains three states: boot, standby, and operational. The boot state is a state in which the STB loads components necessary to show a service and initializes resources in the STB. The standby state is a state in which the user does not use the service, and the operating state is a state in which the user uses the service.

However, STB has evolved to enable bi-directional service by securing a return path even for one-way reception. However, since STB memory cannot be expanded indefinitely due to the static allocation structure, various applications reside in STB memory due to the limitation of physical memory, thereby providing more diversified application services. It is difficult and can only service a limited application to the user.

Accordingly, the present invention has been made to solve the above problems, the launcher (Launcher) pre-loaded in the STB (Set-TOP Box) to manage the application based on the DCL, unlimited level ( The purpose of the present invention is to provide an interactive service platform based on Dynamic Class Loading (DCL) technology and its service method, which enable free execution and quantity of applications and services within the service platform.

Another object of the present invention is to provide a DCL technology-based interactive service platform and service method for inducing active participation in open IPTV by solving the problems caused by the interactive service technology and resource limitations.

Yet another object of the present invention is to provide a DCL technology-based interactive service platform and service method that guarantees freedom and stability in interactive service development / management so that all 3rd party operators can provide services in the best condition. have.

Another object of the present invention is not limited to the channel, DCL technology-based bidirectional service that supports to provide a development and service environment so that anyone can freely develop the original ideas by various business methods (BM) To provide a platform and service method.

Features of the bidirectional service platform based on the DCL technology according to the present invention for achieving the above object is based on the check data received from the STB of the service status of the channel, whether service is running, service resource class file URL, image file URL DCL (Dynamic Class Loading) server that transmits at least one or more to the STB to provide the location information required to activate the service of the channel, and Dynamic Class Loading (DCL) by pre-loading to the STB The application launcher to manage the location information of the resource and the resource based on the resource, and to freely interoperate and control the application execution and mutual application between the STB and the location information necessary to show the service through the application launcher. (Dynamic Class Loading) Received from the server, and the service It receives the application necessary for it consists of including the STB to provide to the user.

Another feature of the DCL technology-based interactive service platform according to the present invention for achieving the above object is to receive the basic information of the service or the developed service to be developed from the third (3rd Parth) company developing the service The application manager for managing the validity of the service and managing the resources required for service operation and location information (URL) of the resources, and storing the resources necessary for the service operation that has been validated in the application manager. DB that stores the file server providing the resources to the set-top box (STB), location information (URL) indicating the location of the resources stored in the file server, and processes at least one of the input request, inquiry, and deletion Server and a corresponding storage stored in the DB server based on the check data received from the STB. A dynamic class loading (DCL) server that transmits at least one of a service state of a null, whether a service is running, a service resource class file URL, and an image file URL to an STB to provide location information necessary for the service of a corresponding channel to be activated, and an STB Application launcher that pre-loads and manages location information and resources based on Dynamic Class Loading (DCL) based on dynamic class loading (DCL), allowing application execution and free interaction and control among STBs. Receiving location information necessary to show a service through the application launcher in the DCL (Dynamic Class Loading) server, and receives the resources required for service operation from a file server stored in advance in the user request to provide to the user Including the STB.

Preferably, the location information is a service resource class file location information URL and an image file URL.

Preferably, the application manager decompresses and stores an application to be tested or service included in the basic information input from the third (3rd part) operator, and records or deletes the resources stored in the file server based on the deleted result. The connection unit updates the location information stored in the DB server, and connects a connection to a predetermined memory region in the application management unit and the DB server from each request input from the input unit and the DCL server, and connects a connection object whenever a request is made. After verifying the validity by dividing the provided DB connection pool and the content received from the input unit into a defined rule, the first request for input to the DB server, and passing the success or failure to the input unit And the channel number rule of the file name received from the input unit. After changing the rules of + Category + Year + Month + Day + Daily Index + “. Zip”, ask the DB server to input the changed file name to the DB server using the ID + Channel Number + Daily Index of the third (3rd Parth) operator. A resource having a file name of a second verification unit for transmitting the result value to the input unit, and a file name of the file name changed through the second verification unit at the input unit and storing the file name in a directory having a corresponding channel number of the file server as a name; It characterized in that it comprises a file decompression / original file recorder for storing the.

In this case, the input unit is a basic information input unit for receiving the basic items of the service or the developed service to be developed from the third (3rd Parth) operator, the application to be tested or service included in the basic information input from the basic information input unit In the form of a zip file, the service file input unit for updating the location information stored in the DB server based on the recorded or deleted results of the resources stored in the file server, and the file decompression / original file recorder recorded in the file server or And an input confirmation unit for confirming the deleted result and providing the confirmed result to the service file input unit.

A feature of the DCL technology-based bidirectional service method according to the present invention for achieving the above object is to proceed to the next step through the first validation of the basic information input by the third (3rd Parth) operator or in the error part Checking whether to receive the additional input items according to the third (3rd part) operator again, and when the first validation is completed, a test corresponding to the basic matters inputted from the third (3rd part) provider or Compressing an application to be serviced in the form of a zip file, performing a second validation check to change the name of the compressed file and update location information of the file stored in the DB server; and the file changed through the second validation check. Test the service with the name or the application to be serviced with the corresponding channel number of the file server by name. When the check data is received from the STB and the check data is received from the STB, the DB is stored in the DB server based on dynamic class loading (DCL) through an application launcher pre-loaded in the STB. Receiving at least one or more of the service status of the channel, whether the service is running, a service resource class file URL, an image file URL to deliver only the location information necessary to activate the service of the channel to the STB, and the STB according to the user request And loading the application files necessary for the service operation such as the service resource class file URL and the image file URL delivered from the file server to the STB.

Preferably, the first validity check is performed through a service channel number, a classification, and an STB SAID, and checks whether the corresponding channel is a valid channel by comparing with the channel information previously held in the DB server in association with the classification item. And, even if the live transmission and testing on one channel at the same time checking the availability of the channel, and in conjunction with the service channel number to check whether the channel number is A / V channel or independent channel And checking whether the SAID has 11 digits and special characters (including Korean).

The second validity check changes the rule of the extruded file name to the rule of channel number + classification + year + month + day + daily index + ".zip", and changes the changed file name of the third (3rd Parth) operator. It is characterized by updating the location information of the file stored in the DB server by making an input request to the DB server with ID + channel number + daily index as a key.

As described above, the DCL technology-based bidirectional service platform and service method according to the present invention have the following effects.

First, by providing an unbound, that is, a channel-linked service that is restricted to a specific channel, as well as an unbound-type service that can be played at a higher level than the existing stand-alone or linked service, regardless of the channel. An application service that can be driven in various forms can be provided.

Second, memory that utilizes memory dynamic allocation, a Java characteristic, by placing unlimited size application launcher in STB memory and loading only the class resources of the application into memory when needed By increasing the reusability, it is possible to provide an unlimited number of resources (unbound) unbound application services without changing the structure of the existing STB S / W and H / W.

Thirdly, multitasking, that is, DCL technology, allows for free multitasking among applications such as moving / returning between services and in-service calling, as well as mashups using various external resources. It supports mash-up service development environment.

1 is a block diagram showing a DCL technology-based interactive service platform according to an embodiment of the present invention
2 is a block diagram showing the internal structure of each component of the DCL technology-based bidirectional service platform of FIG.
3 is a flowchart for describing a DCL technology-based bidirectional service method according to an embodiment of the present invention.
4 is a diagram for explaining an application launcher (App launcher) that is a component of the present invention.

Other objects, features and advantages of the present invention will become apparent from the detailed description of the embodiments with reference to the accompanying drawings.

Referring to the accompanying drawings, a preferred embodiment of a DCL technology-based interactive service platform and a service method according to the present invention will be described. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It is provided to let you know. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

1 is a diagram illustrating a DCL technology-based interactive service platform according to an embodiment of the present invention. In this case, DCL stands for Dynamic Class Loading, and refers to a technology for remotely loading resources required for execution during application execution.

As shown in FIG. 1, the bidirectional service platform based on the DCL technology includes an application manager 200, a file server 300, a DB server 400, a dynamic class loading (DCL) server 500, and an application launcher. 600, and a set-top box (STB) (700).

In this case, the application manager 200 receives the basic items of the service or the developed service to be developed from the third (3rd Part) operator 100 who develops the service, checks the validity of the basic items, and checks the service resource class. ) Manages resources required for service operation in the file location information URL and the image file URL, and the service resource class file location information URL and the image file URL. In this case, the basic items include a service name, a channel number to be serviced, a description of the corresponding service, a SAID of the STB to be tested during the service classification development for whether the channel is interlocked or standalone, and an initial path of the corresponding service. do.

The file server 300 stores resources, such as application information and image information, required for the service operation in which the validity check is completed in the application manager 200, and provides resources required for the service operation to the STB 700.

The database server 400 stores a service resource class file location information URL and an image file URL indicating a location of an application and image information stored in the file server 300, and stores the application. Process input request, inquiry, deletion, etc. received from the management unit 200.

When the DCL (Dynamic Class Loading) server 500 receives the check data from the STB 700, the DCL server 500 determines the service status, service operation status, service resource class file URL, and image file URL of the corresponding channel based on the received check data. The information is transmitted to the STB 700 to provide information necessary for activating a service of a corresponding channel.

The application launcher 600 is pre-loaded in the STB 700 to manage location information and corresponding applications based on a dynamic class loading (DCL) and to the STB. Enables free execution and control of application execution and application.

The set top box (STB) 700 receives the location information necessary to show the service through the application launcher 600 in the DCL server 500, and the resources required for service operation by the user request file server ( Received at 300 and provided to the user.

FIG. 2 is a diagram illustrating the internal structure of each component of the DCL technology-based bidirectional service platform of FIG. 1 in more detail.

As shown in FIG. 2, the application manager 200 includes an input unit 210, a DB connection pool 220, a first verifier 230, a second verifier 240, and file compression. And a release / original file recorder 250.

The input unit 210 delivers an application to be tested or service included in the basic information input from the third (3rd Part) operator 100 for developing a service, and records or deletes the resources stored in the file server 300. The location information stored in the DB server 400 is updated based on the result.

The DB connection pool 220 connects to a predetermined memory region in the application manager 200 and the DB server 400 from respective requests input from the input unit 210 and the DCL server 500. Connect it and provide a connection object for each request.

The first verification unit 230 checks the validity by dividing the contents received from the basic information input unit 212 in the input unit 210 into a defined rule, and makes an input request to the DB server 400, and the success or The failure is transmitted to the basic information input unit 212. In this case, the defined rules are as follows.

1) Service name: no specific validation

2) Service channel number: It checks whether the corresponding channel is a valid channel by comparing with the channel information held by the DB server 400 in association with the classification item. In addition, if a live transmission and a test are simultaneously performed in one channel, the channel is checked and delivered. In addition, the inspection stores the existing channel information in advance in the DB server 400, the character channel number input from the third (3rd part) operator 100 and the value stored in the DB server 300 (string) Compare. In addition, whether or not to check live transmission and test simultaneous progress is the value of the channel status (chStatus) field of the existing channel information (no service in case of 0, live transmission in case of 1, in development while case of 2, and 3 persons In case of live / development at the same time, check to prevent errors due to duplicate channel numbers.

3) Service Description: No specific validation

4) Classification: Check whether the channel number is A / V channel or standalone channel in connection with service channel number so that there is no error information between channel number and classification code.

5) STB SAID for development: Checks whether the SAID has 11 digits and special characters (including Korean).

6) initial path: no specific validity check

The second verification unit 240 sets the rule of the file name received from the service file input unit 214 in the input unit 210 to the channel number (3 digits) + classification (2 digits) + year (4 digits) + month (2). Digit) + day (2 digits) + daily index (3 digits) + ".zip" rules, and the changed file name of the third (3rd Parth) operator 100 + channel number (2 digits) + A request is made to the DB server 400 using the daily index (3 digits) as a key, and the result value is transmitted to the service file input unit 214.

The file decompression / original file recording unit 250 receives the file name changed through the second verification unit 240 from the service file input unit 214 in the input unit 210 and receives the corresponding channel number of the file server 310. After the file is stored in a directory having the name, the result is transmitted to the input checking unit 216. At this time, when the file is stored in the directory, the compressed file is decompressed and stored.

The input unit 210 includes a basic information input unit 212, a service file input unit 214, and an input confirmation unit 216.

The basic information input unit 212 receives basic items of a service or a developed service to be developed from a third (3rd Part) operator 100 who develops a service. At this time, the basic items input are service name, channel number to be serviced, description of the service, SAID of STB to be tested during service classification development of channel interworking or standalone, and initial path of the service. Include.

The service file input unit 214 transfers an application to be tested or service included in the basic information input from the basic information input unit 210 in the form of a zip file, and records or deletes the resources stored in the file server 300. Update the location information stored in the DB server 400 based on the result.

The input confirmation unit 216 confirms the result of the file decompression / original file recording unit 250 recorded or deleted in the file server 300 and provides the result confirmed to the service file input unit 214.

The file server 300 includes a development / service storage unit 310 for storing resources such as application information and image information required for service operation, and the DB server 400 is stored in the file server 300. And a development service DB 410 for storing a service resource class file location information (URL) and an image file URL indicating a location of an application and image information.

In addition, the DCL server 500 includes a service distribution unit 510 and a DB connection pool 520.

The service distribution unit 510 receives the check data composed of the service code (5 digits) + channel number (3 digits) + SAID (11 digits) from the STB 700, and based on the received check data, The service state, whether the service is running, the service resource class file URL, and the image file URL are transmitted to the STB 700 to transmit information necessary for activating a service of a corresponding channel.

The DB connection pool 520 connects a connection to a predetermined memory region in the DCL server 500 and the DB server 400 from each request input from the input unit 210 and the service distribution unit 510. Provide a connection object each time a request is made.

The operation of the DCL technology-based bidirectional service platform according to the present invention configured as described above will be described in detail with reference to the accompanying drawings. The same reference numerals as in FIG. 1 or FIG. 2 refer to the same members performing the same functions.

3 is a flowchart illustrating a DCL technology-based bidirectional service method according to an embodiment of the present invention.

Referring to FIG. 3, first, a third (3rd part) operator 100 who develops a service inputs basic items of a service to be developed (S10). In this case, the basic items entered are the service name, channel number to be serviced, description of the service, service classification for channel interlocking or standalone, SAID of the set-top box to be tested during development, and initial path of the service. ), And the like.

Subsequently, when the third (3rd Part) operator 100 completes the input of the basic items and presses the confirm button, the first verification unit 230 proceeds to the next step after the first validation of the input items or an error part. It is checked whether additional input items according to the error part are re-entered by the third (3rd Part) operator 100 through the correction screen for the operation (S20).

The first validity check is performed through a service channel number, a classification, and an STB SAID. The validity check through the service channel number is linked with a classification item and compared with channel information previously held in the DB server 400. Check whether the channel is a valid channel. It also checks the availability of the channel even if live transmission and test are simultaneously performed on one channel. In addition, the validity check through the classification checks whether the corresponding channel number is an A / V channel or an independent channel in association with the service channel number so that there is no error information between the channel number and the classification code. In addition, the validity check through the STB SAID is checked through 11 digits of the SAID and whether or not a special character (including Korean).

As such, when the first validation is completed, a test or service corresponding to the basic information input from the third (3rd Parth) operator 100 through the service file input unit 214 is delivered in a zip file form. A second validity check is performed through the second verification unit 240 (S30).

The second validation checks the rule of the file name received from the service file input unit 214 by channel number (3 digits) + classification (2 digits) + year (4 digits) + month (2 digits) + day (2 digits). ) + Daily index (3 digits) + ".zip" rules, and the changed file name of the third (3rd Parth) provider 100 ID + channel number (2 digits) + daily index (3 digits) The input request is made to the DB server 400 using the key to update the location information of the file stored in the DB server 400.

And through the file decompression / original file recording unit 250 stores the application to test or service with the file name changed through the second validation check in a directory having the corresponding channel number of the file server 300 as a name ( S40).

Subsequently, when check data including a service code (5 digits), channel number (3 digits), and SAID (11 digits) is received from the STB 700, the application launcher pre-loaded in the STB 700. (App launcher) (600) receives the service status of the corresponding channel stored in the DB server 400, whether the service is running, service resource class file URL, image file URL based on the dynamic class loading (DCL) Only information necessary to activate the service of the channel is received and delivered to the STB 700 (S50).

In response to the user's request, application files necessary for service operation in the service resource class file URL and the image file URL transmitted to the STB 700 are loaded from the file server 300 and transferred to the STB 700 (S60).

 As such, the application launcher 600, as shown in Figure 4, STB (700) only the minimum application necessary to execute the service to provide the service file in the existing STB (700) service available in the memory in the STB (700) As it resides in memory and resources necessary for service operation are stored or remotely loaded in the file server 300, the physical limitations of the STB memory may be overcome to effectively provide various application services.

Although the technical spirit of the present invention described above has been described in detail in a preferred embodiment, it should be noted that the above-described embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (15)

Based on the check data received from the STB, at least one of the service status of the channel, service status, service resource class file URL, and image file URL is transmitted to the STB to provide location information necessary to activate the service of the channel. DCL (Dynamic Class Loading) server,
Application launcher that pre-loads to STB and manages location information and resources of resources based on Dynamic Class Loading (DCL), so that application execution and free interaction and control between STBs launcher),
And a STB for receiving location information necessary for showing a service through the application launcher in the DCL (Dynamic Class Loading) server and receiving application information required for service operation by a user request and providing the same to a user. A bidirectional service platform based on DCL technology. The third party (3rd Parth) company that develops the service receives the basics of the service or the developed service to be developed, checks the validity of the basics and manages the resources necessary for service operation and location information (URL) of the resources. Application management unit to say,
A file server for storing resources necessary for starting the service in which the application management unit has been validated, and providing resources required for starting the service to the set top box;
A DB server storing location information (URL) indicating a location of a resource stored in the file server, and processing at least one of an input request, inquiry, and deletion;
Based on the check data received from the STB, at least one or more of the service status, service operation, service resource class file URL, and image file URL of the corresponding channel stored in the DB server is transmitted to the STB to activate the service of the corresponding channel. Dynamic Class Loading (DCL) server that provides location information,
Application launcher that pre-loads to STB and manages location information and resources based on Dynamic Class Loading (DCL), allowing application execution and free interaction and control among STBs. Wow,
STB which receives location information necessary to show a service through the application launcher in the DCL (Dynamic Class Loading) server and receives a resource required for service operation from a file server which is stored in advance at the user's request and provides it to the user. DCL technology-based bidirectional service platform, characterized in that configured to include. The method of claim 2,
The basic information input from the application management unit is a service name, a channel number to be serviced, a description of a corresponding service, a SAID of the STB to be tested during service classification development for whether the channel is interlocked or standalone, and an initial path of the corresponding service. At least one of the DCL technology-based interactive service platform, characterized in that at least one. The method of claim 2,
The resource is an interactive service platform based on the DCL technology, characterized in that the application and the image. The method according to claim 1 or 2,
The location information is a service resource class file (URL) file location information (URL) and image file URL, characterized in that the interactive service platform based on the DCL technology. The method of claim 2, wherein the application management unit
An input unit for outputting an application to be tested or service included in the basic information input from the third (3rd Part) operator, and records the resources stored in the file server or updates the location information stored in the DB server based on the deleted result Wow,
A DB connection pool that connects a connection to a predetermined memory region in the application management unit and a DB server from each request input from the input unit and the DCL server, and provides a connection object whenever a request is made;
A first verification unit for checking the validity by dividing the contents received from the input unit into defined rules, making an input request to the DB server, and transmitting the success or failure to the input unit;
Change the rule of the file name received from the input unit to the rule of channel number + classification + year + month + day + daily index + ".zip", and change the changed file name to the ID + channel number of the third (3rd Parth) operator A second verification unit for inputting a DB server with a + day index as a key and then transferring the result value to the input unit;
And a file decompression / original file recorder for storing a resource having a corresponding file name for receiving a file name changed through the second verification unit from an input unit and storing the corresponding channel number of the file server in a directory. DCL technology based interactive service platform. The method of claim 6, wherein the input unit
Basic information input unit for receiving the basic information of the service or the service to be developed from the third (3rd Part) operator,
Service to output the application to be tested or service included in the basic information input from the basic information input unit in the form of a zip file, and to record the information stored in the file server or update the location information stored in the DB server based on the deleted result A file input section,
DCL technology-based bidirectional service platform, characterized in that the file decompression / original file recording unit to check the result recorded or deleted in the file server and provides a result confirmed by the service file input unit. The rule defined in claim 6, wherein
In conjunction with the category, the first check whether the channel is a valid channel or not by comparing with the channel information held by the DB server,
If a live transmission and a test are in progress on one channel at the same time, a second check is made to see if the corresponding channel is available.
In conjunction with the service channel number, a third test is performed to determine whether the channel number is an A / V channel or a standalone channel.
The third test is performed based on 11 digits of SAID and special characters (including Korean).
In this case, the first to third inspection is to store the existing channel information in advance in the DB server, and to compare the character channel number input by the third (3rd Parth) operator and the value stored in the DB server (string) A bidirectional service platform based on DCL technology. The method of claim 1 or 2, wherein the DCL server
Receives the check data composed of the service code, channel number, and SAID information from the STB, and based on the received check data, the STB receives at least one of the service status, service operation status, service resource class file URL, and image file URL of the corresponding channel. Service distribution unit for transmitting to,
Based on the information input from the service distribution unit is configured to include a connection (connection) to a predetermined memory region in the DCL server and the DB server, and includes a DB connection pool for providing a connection object whenever a request is made. DCL technology based interactive service platform. Checking whether to proceed to the next step through the first validity check of the basic matters input by the 3rd Parth operator or to receive additional input items according to the error part from the 3rd Parth Operator. Wow,
When the first validation is completed, compress the application to test or service corresponding to the basic input from the third (3rd Parth) operator in the form of a zip file, change the name of the compressed file to the DB server Performing a second validation check to update location information of the stored file;
Storing an application to be tested or serviced with the file name changed through the second validation in a directory having a corresponding channel number of a file server as a name;
When the check data is received from the STB, the service status and service of the corresponding channel stored in the DB server based on dynamic class loading (DCL) through an application launcher pre-loaded in the STB. Receiving at least one or more of the operation status, service resource class file URL, image file URL and delivering only the location information necessary to activate the service of the channel to the STB,
DCL technology-based bidirectional service comprising the step of loading the application files necessary for the service operation with the service resource class file URL, the image file URL delivered to the STB according to the user request to the STB Way. 11. The method of claim 10,
The basic matters include the service name, the channel number to be serviced, the description of the service, the service classification for whether the channel is interlocked or standalone, the SAID of the set-top box to be tested during development, and the initial path of the service. DCL technology-based interactive service method comprising at least one. 11. The method of claim 10,
The first validity check is performed through a service channel number, a classification, and an STB SAID. 13. The method of claim 10 or 12, wherein the first validation check is
Checking whether the corresponding channel is a valid channel by comparing with the channel information previously held in the DB server in association with the classification item;
Checking whether a channel is available even if live transmission and testing are simultaneously performed on one channel;
Checking whether the corresponding channel number is an A / V channel or a standalone channel in association with the service channel number;
DCL technology-based bidirectional service method comprising the step of checking through whether the SAID 11 digits and special characters (including Hangul). The method of claim 10, wherein the second validation
The rule of the compressed file name is changed to the rule of channel number + classification + year + month + day + daily index + ".zip", and the changed file name is changed to the ID + channel number + daily of the third (3rd part) operator. DCL technology-based bidirectional service method characterized in that for updating the location information of the file stored in the DB server by input request to the DB server using the index as a key. 11. The method of claim 10,
The check data is a DCL technology-based interactive service method, characterized in that consisting of a service code, channel number, SAID.

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