KR101313677B1 - Method, Terminal, and Server for Negotiating Terminal Capability in Dynamic Content Delivery - Google Patents

Method, Terminal, and Server for Negotiating Terminal Capability in Dynamic Content Delivery Download PDF

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KR101313677B1
KR101313677B1 KR1020070063232A KR20070063232A KR101313677B1 KR 101313677 B1 KR101313677 B1 KR 101313677B1 KR 1020070063232 A KR1020070063232 A KR 1020070063232A KR 20070063232 A KR20070063232 A KR 20070063232A KR 101313677 B1 KR101313677 B1 KR 101313677B1
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South Korea
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support function
terminal
information
terminal support
negotiation
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KR1020070063232A
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Korean (ko)
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KR20090002300A (en
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박경
박종관
손경찬
김성
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에스케이플래닛 주식회사
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Abstract

The present invention relates to a method for negotiating a terminal support function for dynamic content transmission, a terminal for the same, and a server.

The present invention provides a method for a DCD server to negotiate a terminal support function with a DCD client in the terminal before the DCD server transmits the content to the terminal through a network. A terminal support function negotiation request step of receiving a terminal support function request message including support function information; And (b) a terminal support function negotiation response step of transmitting, by the DCD server, a terminal support function response message including the second support function information to the DCD client. A method, a terminal therefor, and a server therefor.

According to the present invention, the DCD server can recognize the support function of the terminal through the negotiation of the terminal support function between the DCD server and the DCD client in the terminal, the DCD server provides a dynamic content transmission service suitable for the support function of the terminal It can be provided to the user, the DCD server does not transmit unnecessary content to the terminal, it is possible to prevent the performance degradation of the DCD server and the terminal due to unnecessary content transmission, and also improve the transmission efficiency of the network.

Content, DCD, Terminal, Support Function

Description

Method for Negotiating Terminal Support Function for Dynamic Content Delivery, Terminal and Server for It {Method, Terminal, and Server for Negotiating Terminal Capability in Dynamic Content Delivery}

1 is a diagram showing an overall system for providing a terminal support function negotiation method for dynamic content transmission according to the present invention;

2 is a flowchart illustrating a method for negotiating a terminal support function for dynamic content transmission according to the present invention;

3A illustrates a terminal support function request message for a terminal support function negotiation method for dynamic content transmission according to the present invention;

FIG. 3B is a diagram illustrating first capability information (Capability for Negotiation) for a terminal support function negotiation method for dynamic content transmission according to the present invention; FIG.

3c is a view illustrating Bearer Type ID information for a method for negotiating a terminal supporting function for dynamic content transmission according to the present invention;

4 is a view showing a terminal support function response message for a terminal support function negotiation method for dynamic content transmission according to the present invention;

5 is a diagram illustrating an internal configuration diagram of a DCD server for a method for negotiating a terminal support function for dynamic content transmission according to the present invention;

6 is a diagram illustrating a terminal internal configuration diagram for a method for negotiating a terminal support function for dynamic content transmission according to the present invention.

Description of the Related Art

100: terminal 110: DCD client

120: application 130: DCD server

140: content providing server 300: terminal support function request message

310: primitive type ID 320: transaction ID

330: Session ID 340: First support function

341: Downloadable size 342: Beer type ID

440: transaction processing result 450; Second support function

510: data reception management unit

520: terminal support function negotiation response management unit

530: data transmission management unit 540: data storage management unit

611: terminal support function negotiation request management unit

612: terminal support function information management unit 613: message transmission management unit

614: Message reception management unit 615: Content delivery management unit

The present invention relates to a method for negotiating a terminal support function for dynamic content transmission, a terminal for the same, and a server. More specifically, by allowing the DCD server to recognize the support function of the terminal, the DCD server does not transmit unnecessary content that the terminal does not support to prevent the performance degradation of the DCD server and the terminal, and improve network transmission efficiency The present invention relates to a method for negotiating a terminal support function for dynamic content transmission which can be improved, a terminal for the same, and a server.

Recently, due to the expansion of the network infrastructure, a large number of content providers have been producing and storing contents desired by the users, and the users can receive the content by directly visiting the corresponding site operated by the contents provider .

In order to effectively deliver such contents, Web Syndication is urgently needed to deliver information produced and changed in real time on the Internet, and RSS (Really Simple Syndication) is a kind of Web Syndication. ), And ATOM have been proposed and become a standard, and such a content can be distributed by RSS (Really Simple Syndication), ATOM, etc., and collection of content through a program such as RSS Reader has also become much smoother.

However, in a mobile environment with a relatively limited resource, accessing contents distributed using RSS / ATOM as in a PC environment is limited. In order to solve this problem, there is a demand for a method for delivering the collected content in an optimized form for mobile terminals, and a representative example is Dynamic Content Delivery (DMA), which is being standardized by the Open Mobile Alliance (OMA). Hereinafter referred to as "DCD". DCD seeks to deliver the user's desired contents to the terminal user in the most effective way by reflecting the user's preference. As a content delivery technique, the DCD server sends a content update (transmission) notification message to the terminal. A push method using a DCD-2 interface for receiving a content update (transmission) request message from a terminal and transmitting the corresponding content to the terminal has been proposed. By the push method using the DCD-2 interface, the user's terminal accesses the site on the wireless Internet in the existing mobile service and goes through various steps to find the content and visits the content in a difficult manner. The purpose of DCD can be achieved by delivering to a user's terminal and providing contents desired by the user by maximizing reflection of the user's preference. In addition, the DCD also accepts a pull method using a DCD-1 interface in which a DCD server transmits content to a terminal by a content updater (transmission) request from an existing user's terminal.

This dynamic content transmission (DCD) technology is a client server model, which is performed by interworking a DCD server acting as a server for transmitting contents and a DCD client serving as a client receiving contents, Defines the messages exchanged between the DCD server and the DCD client, and specifies protocols for the content and message exchange.

However, in the conventional DCD technology, since the DCD server does not recognize the function supported by the terminal, the DCD server has a problem of unnecessary content transmission that transmits content that the terminal does not support.

Due to such a problem of unnecessary content transmission, the DCD server has a problem that the user wants to, and does not deliver the appropriate content to the user terminal.

Due to the problem of necessary content transmission mentioned above, there is a problem that causes the performance degradation of the DCD server and the terminal due to unnecessary content transmission.

In addition, due to the problem of unnecessary content transmission, there is also a problem of reducing the data transmission efficiency of the network due to unnecessary content transmission.

In order to solve this problem, an object of the present invention is to enable a DCD server to recognize a support function of a terminal by negotiating a terminal support function between a DCD server and a DCD client in the terminal. The purpose of the present invention is to provide a terminal user with a dynamic content transmission service suitable for the present invention.

 Another object of the present invention, through the negotiation of the terminal support function between the DCD server and the DCD client in the terminal, the DCD server can recognize the support function of the terminal, the DCD server does not transmit unnecessary content to the terminal, unnecessary content The purpose is to prevent the performance degradation of the DCD server and the terminal due to the transmission.

Another object of the present invention is to improve transmission efficiency of a network by preventing unnecessary content transmission from a DCD server to a terminal.

According to an aspect of the present invention for achieving this object, before the DCD server transmits the content to the terminal via the network, the DCD server negotiates the terminal support function with the DCD client in the terminal, (a A terminal support function negotiation request step in which the DCD server receives a terminal support function request message including first support function information from the DCD client; And (b) a terminal supporting function negotiation response step of transmitting, by the DCD server, a terminal supporting function response message including second supporting function information to the DCD client.

According to another aspect of the present invention, a DCD server for negotiating a terminal support function of the terminal with the DCD client before the DCD client in the terminal receives the content through the network, (a) from the DCD client A data reception management unit configured to receive a terminal support function request message including support function information, and to receive content from a content providing server storing the content; (b) a terminal support function negotiation manager configured to generate a terminal support function response message including second support function information based on the first support function information of the terminal support function request message received by the data reception manager; ; (c) a data transmission management unit for transmitting the terminal support function response message and the content to the DCD client; And (d) a data storage management unit configured to store data including data related to the content and negotiation of the terminal support function.

According to another aspect of the present invention, in the terminal including a DCD client for negotiating a terminal support function with the DCD server, before the DCD server transmits the content to the terminal over the network, the DCD client, ( a) a terminal support function negotiation manager which performs a function of managing negotiation of the terminal support function with the DCD server; (b) a terminal support function information management unit receiving a negotiation start instruction of the terminal support function from the terminal support function negotiation manager and performing a function of generating first support function information which is the terminal support function information; (c) a message generation management unit that performs a function of generating a terminal support function request message including the first support function information generated by the terminal support function information manager; (d) a message transmission manager for transmitting the terminal support function request message generated by the message generation manager to the DCD server; (e) a message reception management unit that performs a function of receiving a terminal support function response message which is a response message to the terminal support function request message from the DCD server; And (f) a content delivery management unit that performs a function of receiving content from the DCD server and delivering content to an application in the terminal.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function is obvious to those skilled in the art or may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a diagram illustrating an entire system for providing a method for negotiating a terminal support function for dynamic content transmission according to the present invention.

Referring to FIG. 1, the entire system that provides a method for negotiating a terminal support function for dynamic content delivery (DCD) according to the present invention is a DCD client 110 and an application 120. ) Is comprised of a terminal 100, a DCD server 130, a content providing server 140, and a network 150.

The DCD service can be described as a client server model and the content stored in the content providing server 140 can be transmitted to the network 100 via the interworking of the DCD client 110 acting as a client and the DCD server 130 acting as a server. 150 from the DCD server 130 to the DCD client in the terminal 100. The delivered content is delivered to the application 120 in the terminal 100 and displayed on the idle screen or the screen display of the terminal 100. [

The DCD client 110 is a module of a client role existing in the terminal 100 that performs DCD service in cooperation with the DCD server 130 and receives a content from the DCD server 130, And transmits the received content to the application 120 so that the content can be displayed on the idle screen or the screen display unit.

In addition, the DCD client 110 transmits a terminal support function request message to the DCD server 130 to perform a negotiation function of the terminal support function for dynamic content transmission.

The DCD server 130 is a server that performs a DCD service in cooperation with the DCD client 110 and receives the content from the content providing server storing the content and transmits the content to the DCD client 110 in the terminal 100 .

In addition, the DCD server 130 receives a terminal support function request message from the DCD client 110 and performs a negotiation function of the terminal support function for dynamic content transmission.

The network 150 includes a CDMA 1x network, an EVDO network, a WCDMA network, an HSDPA network, a HSUPA network, a Wibro network, etc., as a path through which a message or contents are transmitted from the DCD server 130 to the DCD client 110 of the terminal 100 A wireless network such as a WiFi network, a wired Internet, and a broadcast network.

Since the DCD service is a client server model, in the present invention, only a message and a communication protocol are communicated between the DCD server 130 and the DCD client 110 to perform a terminal support function negotiation function for dynamic content transmission. Regulate. The portion in which the DCD server 130 and the DCD client 110 communicate with the content providing server 140 or the application 120 is omitted in the present invention.

2 is a flowchart illustrating a method for negotiating a terminal support function for dynamic content transmission according to the present invention.

2 is a DCD server 130, 130 before the DCD service to provide content to the terminal via the network, DCD server 130, 130 negotiates the terminal support function with the DCD client 110, 110 in the terminal A flow chart for the method.

2, a method for negotiating a terminal support function for dynamic content transmission according to the present invention includes a DCD server 130 and 130 including first support function information from a DCD client 110 and 110. Terminal support function negotiation request step of receiving a terminal support function request message (S 200). And a terminal support function negotiation response step (S 202) in which the DCD server 130 (130) transmits a terminal support function response message including the second support function information to the DCD client 110 (110). .

A method for negotiating a terminal support function for dynamic content transmission according to the present invention will be described in more detail below.

First, the terminal support function negotiation request step (S 200) is a step in which the DCD client 110 notifies the terminal support function to the DCD server 130, the negotiation start time set in the negotiation-related program for the terminal support function or of the terminal It is started by the DCD client 110 according to the negotiation start time set by the user.

In the terminal support function negotiation request step (S 200), the DCD client 110 transmits a terminal support function request message to the DCD server 130 to inform the DCD server 130 of the terminal support function.

The terminal support function request message in the terminal support function negotiation request step (S 200) includes primitive type ID information for identifying a message type, transaction ID information for identifying a message transaction, and a corresponding message transaction is performed. It includes session ID information for identifying a session to be established, and first capability information (Capability for Negotiation) information including terminal support function information for negotiation of the terminal support function.

The primitive type ID information in the terminal support function request message described above is information for identifying a message type, and may be set to a unique ID value corresponding to the terminal support function request message so as to be distinguished from other messages. For example, if the primitive type ID for the terminal support function request message is set to “m001”, the DCD server 130 receives a message and the “Primitive Type ID information in the received message” is set to “m001”. m001 ", the received message may be recognized as a terminal support function request message. Accordingly, the DCD server 130 performs a terminal support function negotiation with the DCD client 110.

In addition, the first capability information (Capability for Negotiation) information in the above-described terminal support function request message is a list of the terminal support function, the downloadable size including the size information of the content that can be received by the corresponding terminal at a time (Kilo Bite: KB) information and bearer type ID information for identifying a bearer type supported by the terminal.

The aforementioned bearer type ID is information about a network type or a networking method for transmitting a message or content from the DCD server 130 to the DCD client 110 of the terminal. For example, if the network type or method for transmitting a message or content from the DCD server 130 to the DCD client 110 of the terminal is a CDMA 1x network, the bearer type ID is “b000” and the EVDO network. "b001", "b002" for WCDMA network, "b003" for HSDPA network, "b004" for HSUPA network, "b005" for Wibro network, "b006" for WiFi network, "b007" for wired Internet, Broadcast (Broadcast) ) Network can be set to "b008".

The above-described first capability information (Capability for Negotiation) information may further include other terminal support function information in addition to the downloadable size information and the bearer type ID information mentioned above.

Next, the terminal support function negotiation response step (S 202) the DCD server 130 receives the terminal support function request message from the DCD client 110 to recognize the terminal support function negotiation request step (S 200) described above. The DCD server 130 selects a function that can be supported among the terminal support functions in the first support function, and transmits the terminal support function response message to the DCD client 110, thereby completing the terminal support function negotiation.

The terminal support function response message transmitted from the DCD server 130 to the DCD client 110 in the terminal support function negotiation response step (S 202) described above may include primitive type ID information for identifying a message type, a message transaction ( Transaction including transaction ID information for identifying a transaction, session ID information for identifying a session in which a corresponding message transaction is performed, and processing result information for a message transaction corresponding to the transaction ID. And second assisted capability information including processing result information and negotiated terminal support capability information.

The primitive type ID information included in the terminal support function response message is information for identifying the message type and is set to a unique ID value corresponding to the terminal support function response message so as to be distinguishable from other messages. For example, if the primitive type ID for the terminal support function response message is set to “m002”, the DCD client 110 receives a message and the “Primitive Type ID information in the received message” is set to “m002”. m002 ", it can be recognized that the received message is a terminal support function response message. Accordingly, the DCD client 110 completes the terminal support function negotiation with the DCD server 130.

The second support capability information included in the terminal support function response message described above may be selected by the DCD server 130 from a list of terminal support functions specified in the first support function information in the terminal support function request message. At the same time, it is information on a function that the DCD server 130 can support.

In summary, the terminal support function negotiation for the dynamic content transmission according to the present invention is performed by the terminal support function negotiation request step (S 200) and the terminal support function negotiation response step (S 202). As a result, the DCD server 130 may provide a dynamic content transmission service suitable for the support function of the terminal. Accordingly, since the DCD server 130 does not transmit unnecessary contents to the terminal, it is possible to prevent performance degradation of the DCD server 130 and the DCD client 110 due to unnecessary contents transmission. In addition, by preventing unnecessary content transmission from the DCD server 130 to the DCD client 110, it is possible to improve the transmission efficiency of the network.

3A is a diagram illustrating a terminal support function request message for a terminal support function negotiation method for dynamic content transmission according to the present invention.

In the terminal support function negotiation request step (S 200) described above with reference to FIG. 2, the DCD client 110 transmits a terminal support function request message to the DCD server 130 to inform the DCD server of the terminal support function. 3a illustrates a terminal support function request message 300 at this time.

Referring to FIG. 3A, the terminal support function request message 300 includes primitive type ID 310 information for identifying a message type, transaction ID 320 information for identifying a message transaction, and a corresponding message. Session ID 330 information for identifying a session in which a transaction is performed, and first capability information 340 including terminal support function information for negotiation of the terminal support function.

The primitive type ID 310 information in the terminal support function request message 300 described above is information for identifying a message type, and may be set to a unique ID value corresponding to the terminal support function request message so as to be distinguished from other messages. Can be. For example, if the primitive type ID 310 for the terminal support function request message 300 is set to “m001”, the DCD server 130 receives a message and the primitive type ID 310 in the received message. If the information is set to "m001", it can be recognized that the received message is the terminal support function request message 300. Accordingly, the DCD server 130 performs a terminal support function negotiation with the DCD client 110. .

In addition, the information on the first support function 340 in the terminal support function request message 300 described above is a list of the terminal support function, which can be downloaded including the size information of the content that can be received by the corresponding terminal at a time. Kilo Bite (KB) information and bearer type ID information for identifying a bearer type supported by the corresponding terminal are included. The first capability information (Capability for Negotiation) information may further include other terminal support function information in addition to the downloadable size information and the bearer type ID information mentioned above. The first support function will be described in more detail with reference to FIG. 3B.

FIG. 3B is a diagram illustrating first capability information (Capability for Negotiation) for a method for negotiating a terminal support function for dynamic content transmission according to the present invention.

Referring to FIG. 3B, the information of the first support function 340 in the terminal support function request message 300 described above with reference to FIG. 3A is a list of the terminal support function, and the content of the content that can be received by the corresponding terminal at one time. Downloadable size 341 including size information and bearer type ID 342 information for identifying a bearer type supported by the terminal is included.

The bearer type ID 342 described above is information about a network type or a networking method for transmitting a message or content from the DCD server 130 to the DCD client 110 of the terminal. An example of setting the bearer type ID 342 will be described with reference to FIG. 3C.

The first capability information (Capability for Negotiation) information may further include other terminal support function information in addition to the downloadable size information and the bearer type ID information mentioned above.

3C illustrates Bearer Type ID information for a method for negotiating a terminal support function for dynamic content transmission according to the present invention.

As described above, the bearer type ID 342 is information on a network type or a networking method for transmitting a message or content from the DCD server 130 to the DCD client 110 of the terminal. This is possible.

Referring to FIG. 3C, when the network type or method for transmitting a message or content from the DCD server 130 to the DCD client 110 of the terminal is a CDMA 1x network, the bearer type ID 342 is set to “b000”. (3420), "b001" (3421) for the EVDO network, "b002" (3422) for the WCDMA network, "b003" (3423) for the HSDPA network, "b004" (3424) for the HSUPA network, and Wibro. It may be set to "b005" (3425) for a network, "b006" (3426) for a WiFi network, "b007" (3427) for a wired Internet, and "b008" (3428) for a broadcast type network.

4 is a diagram illustrating a terminal support function response message for a terminal support function negotiation method for dynamic content transmission according to the present invention.

In the terminal support function negotiation response step (S 202) described above with reference to FIG. 2, the DCD server 130 receives the terminal support function request message from the DCD client 110 in the terminal support function negotiation request step (S 200). The terminal support function negotiation is completed by selecting a function supported by the DCD server 130 among the terminal support functions within the first support function and transmitting the terminal support function response message to the DCD client 110. In the function negotiation response step S 202, the terminal support function response message 400 is transmitted from the DCD server 130 to the DCD client 110.

Referring to FIG. 4, the terminal support function response message 400 includes primitive type ID 410 information for identifying a message type, and transaction ID 420 information for identifying a message transaction. Transaction processing result 440 information including session ID 430 information for identifying a session in which the message transaction is performed, processing result information for a message transaction corresponding to the transaction ID, and negotiation; The second support function 450 includes information on the terminal support function.

Referring to FIG. 4, the primitive type ID 410 information included in the terminal support function response message 400 is information for identifying a message type, and the terminal support function response may be distinguished from other messages. It is set to a unique ID value corresponding to the message 400. For example, if the primitive type ID 400 for the terminal support function response message 400 is set to “m002”, the DCD client 110 receives a message and the primitive in the received message is received. ) If the type ID 410 information is set to “m002”, it can be recognized that the received message is the terminal support function response message 400. Accordingly, the DCD client 110 supports the terminal with the DCD server 130. This concludes the functional negotiation.

Referring to FIG. 4, information on the second support capability 450 included in the terminal support function response message 400 may be determined by the DCD server 130 in the first support function (eg, in the terminal support function request message 300). 340) The terminal support function selected from the list of the terminal support function specified in the information, and at the same time the information about the function that the DCD server 130 can support.

5 is a diagram illustrating an internal configuration diagram of a DCD server for a method for negotiating a terminal support function for dynamic content transmission according to the present invention.

5 is an internal configuration diagram of a DCD server for negotiating a terminal support function of a terminal with a DCD client before the DCD client in the terminal receives the content through the network.

Referring to FIG. 5, the DCD server 500 for a method for negotiating a terminal support function for dynamic content transmission according to the present invention includes a data reception manager 510, a terminal support function negotiation response manager 520, and a data transmission manager 530. ), And a data storage management unit 540.

The data reception management unit 510 performs a function of receiving a terminal support function request message including first support function information from a DCD client and a function of receiving a content from a content providing server that stores the content.

The terminal support function negotiation response manager 520 generates a terminal support function response message including the second support function information based on the first support function information of the terminal support function request message received by the data reception manager. .

The data transmission manager 530 transmits a terminal support function response message and content to the DCD client.

The data storage management unit 540 stores data including information related to content and negotiation of a terminal support function.

6 is a diagram illustrating a terminal internal configuration diagram for a method for negotiating a terminal support function for dynamic content transmission according to the present invention.

6 is a diagram of a terminal 600 including a DCD client 610 that negotiates a terminal support function with a DCD server before the DCD server transmits content to the terminal through a network.

Referring to FIG. 6, a terminal 600 for a method for negotiating a terminal support function for dynamic content transmission according to the present invention actually cooperates with a DCD server to negotiate a terminal support function and receives a content from a DCD server ( 610 and the DCD client 610 is configured to include an application (620) for receiving and expressing the received content.

Referring to FIG. 6, a DCD client 610 that provides a terminal support function negotiation function for dynamic content transmission according to the present invention includes a terminal support function negotiation request manager 611, a terminal support function information manager 612, and a message generator. It includes a manager 613, a message transmission manager 614, a message reception manager 615, and a content delivery manager 616.

The terminal support function negotiation request management unit 611 performs a function of managing negotiation about the terminal support function with the DCD server.

The terminal support function information manager 612 receives a negotiation start instruction of the terminal support function from the terminal support function negotiation request manager and performs a function of generating first support function information, which is terminal support function information.

The message generation manager 613 performs a function of generating a terminal support function request message including the first support function information generated by the terminal support function information manager.

The message transmission management unit 614 transmits the terminal support function request message generated by the message generation management unit to the DCD server.

 The message reception management unit 615 performs a function of receiving a terminal support function response message which is a response message to the terminal support function request message from the DCD server.

The content delivery management unit 616 performs a function of receiving content from a DCD server and delivering content to an application in a terminal.

The terminal support function negotiation request management unit 611 manages the negotiation start of the terminal support function according to the negotiation start time set in the negotiation related program for the terminal support function or the negotiation start time set by the user of the terminal, and starts negotiation. At the point of time, a negotiation start instruction is transmitted to the terminal support function information management unit so that the terminal support function negotiation is started.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, by using the present invention, the DCD server can recognize the support function of the terminal through negotiation of the terminal support function between the DCD server and the DCD client in the terminal. Dynamic content delivery service can be provided to terminal users.

 According to the present invention, the DCD server can recognize the support function of the terminal through negotiation of the terminal support function between the DCD server and the DCD client in the terminal, so that the DCD server does not transmit unnecessary content to the terminal, thereby transmitting unnecessary content. It is possible to prevent the performance degradation of the DCD server and the terminal according to.

By using the present invention, the transmission efficiency of the network can be improved by preventing unnecessary content transmission from the DCD server to the terminal.

Claims (24)

In the method that the DCD server negotiates the terminal support function with the DCD client in the terminal before the DCD server transmits the content to the terminal through the network, a terminal support function negotiation request step of receiving, by the DCD server, a terminal support function request message including first support function information from the DCD client; And (b) the terminal supporting function negotiation response step of the DCD server transmitting a terminal supporting function response message including the second supporting function information to the DCD client; Terminal support function negotiation method for dynamic content transmission comprising a. The method of claim 1, The (a) terminal support function negotiation request step, Negotiating the terminal support function according to a negotiation time set in a program related to negotiation of the terminal support function or a negotiation time set by a user of the terminal. The method of claim 1, The network comprising: CDMA 1x network, EVDO network, WCDMA network, HSDPA network, HSUPA network, Wibro network, WiFi network, Wired Internet (Wired Internet), and broadcast (Broadcast) network, characterized in that for the transmission of dynamic content How to negotiate device support. The method of claim 1, The DCD server, A server that performs a dynamic content delivery (DCD) service in conjunction with the DCD client, the server receiving content from a content providing server storing content and transmitting the content to the DCD client in the terminal, the terminal from the DCD client And a server performing a negotiation function for the terminal support function by receiving a support function request message. The method of claim 1, The DCD client, A module existing in the terminal that performs a dynamic content delivery (DCD) service in conjunction with the DCD server, and functions as a client receiving content from the DCD server, and supports the terminal to the DCD server. And a method for negotiating a terminal supporting function for dynamic content transmission by transmitting a request message. The method of claim 1, The (a) terminal support function negotiation request step, And the DCD client notifies the terminal support function to the DCD server. The method of claim 1, The terminal support function request message, Primitive type ID information for identifying a message type, Transaction ID information for identifying a message transaction, Session ID information for identifying a session in which the message transaction is performed, and the terminal support function. Method for negotiating a terminal support function for dynamic content transmission, characterized in that it comprises the first information (Capability for Negotiation) information for negotiation. 8. The method of claim 7, The primitive type ID information included in the terminal support function request message is  Information for identifying a message type, the terminal support function negotiation method for dynamic content transmission, characterized in that it can be set to a unique ID value corresponding to the terminal support function request message to distinguish it from other messages. The method according to claim 1 or 7, The first support function (Capability for Negotiation) information, As a list of the terminal support functions, downloadable size information including size information of content that the terminal can receive at one time and bearer type ID information for identifying a bearer type supported by the terminal Terminal support function negotiation method for dynamic content transmission comprising a. 10. The method of claim 9, The first support function information may further include other terminal support function information in addition to the downloadable size information and the bearer type ID information. 10. The method of claim 9, The bearer type ID information, Method for negotiating a terminal support function for dynamic content transmission, characterized in that it is information on a network type or a networking scheme for transmitting a message or content from the DCD server to the DCD client of the terminal. The method of claim 1, The (b) terminal support function negotiation response step, In the terminal support function negotiation request step (a), the DCD server selects a function supported by the DCD server from among the terminal support functions that are recognized by receiving the terminal support function request message from the DCD client. And transmitting a response message to the DCD client. The method according to claim 1 or 12, The terminal support function response message, Primitive type ID information for identifying a message type, Transaction ID information for identifying a message transaction, Session ID information for identifying a session in which the message transaction is performed, and corresponding transaction ID And transaction processing result information including processing result information corresponding to a message transaction corresponding to the message transaction, and the second support capability information. 14. The method of claim 13, The primitive type ID information included in the terminal support function response message is  Information for identifying a message type, the terminal support function negotiation method for dynamic content transmission, characterized in that it can be set to a unique ID value corresponding to the terminal support function response message to distinguish it from other messages. The method of claim 1, The second assisted capability information (Negotiated Capability) information, The DCD server is a terminal support function selected from the list of the terminal support function specified in the first support function information in the terminal support function request message, the terminal for dynamic content transmission, characterized in that the DCD server can support How to negotiate support. In the DCD server for negotiating the terminal support function of the terminal with the DCD client before the DCD client in the terminal receives the content over the network, (a) a data reception management unit configured to receive a terminal support function request message including first support function information from the DCD client and to receive content from a content providing server storing the content; (b) a terminal support function negotiation response to perform a function of generating a terminal support function response message including second support function information based on the first support function information of the terminal support function request message received by the data reception management unit; Management; (c) a data transmission management unit for transmitting the terminal support function response message and the content to the DCD client; And (d) a data storage management unit for storing data including information related to the content and negotiation of the terminal support function; DCD server for the terminal support function negotiation comprising a. 17. The method of claim 16, The terminal support function request message, Primitive type ID information for identifying a message type, Transaction ID information for identifying a message transaction, Session ID information for identifying a session in which the message transaction is performed, and the terminal support function. DCD server for the terminal support function negotiation, characterized in that it comprises the first information (Capability for Negotiation) information for negotiation. 17. The method of claim 16, The first support function (Capability for Negotiation) information, As a list of the terminal support functions, downloadable size information including size information of content that the terminal can receive at one time and bearer type ID information for identifying a bearer type supported by the terminal DCD server for the terminal support function negotiation, comprising: a. 17. The method of claim 16, The second assisted capability information (Negotiated Capability) information, The DCD server is a terminal support function selected from the list of the terminal support function specified in the first support function information in the terminal support function request message, the DCD server is a function that can support the terminal support function for negotiation DCD server. In the terminal including a DCD client for negotiating the terminal support function with the DCD server, before the DCD server transmits the content to the terminal over the network, The DCD client, (a) a terminal support function negotiation request manager configured to manage a negotiation of the terminal support function with the DCD server; (b) a terminal support function information management unit receiving a negotiation start instruction of the terminal support function from the terminal support function negotiation request manager and performing a function of generating first support function information; (c) a message generation management unit that performs a function of generating a terminal support function request message including the first support function information generated by the terminal support function information manager; (d) a message transmission manager for transmitting the terminal support function request message generated by the message generation manager to the DCD server; (e) a message reception management unit that performs a function of receiving a terminal support function response message which is a response message to the terminal support function request message from the DCD server; And (f) a content delivery management unit that performs a function of receiving content from the DCD server and delivering content to an application in the terminal. Terminal for the terminal support function negotiation, comprising a. 21. The method of claim 20, The terminal support function negotiation request management unit, Manage the negotiation start of the terminal support function according to the negotiation start time set in the negotiation related program for the terminal support function or the negotiation start time set by the user of the terminal, and negotiate with the terminal support function information management unit at the start of negotiation. Terminal for negotiating a terminal support function, characterized in that it transmits a start instruction. 21. The method of claim 20, The first support function (Capability for Negotiation) information, As a list of the terminal support functions, downloadable size information including size information of content that the terminal can receive at one time and bearer type ID information for identifying a bearer type supported by the terminal Terminal for negotiating a terminal support function comprising a. 21. The method of claim 20, The terminal support function response message, Primitive type ID information for identifying a message type, Transaction ID information for identifying a message transaction, Session ID information for identifying a session in which the message transaction is performed, and corresponding transaction ID Negotiating a terminal support function comprising transaction processing result information including processing result information of a message transaction corresponding to the second support function information including the terminal support function information for which negotiation is made; Terminal for. 24. The method of claim 23, The second assisted capability information (Negotiated Capability) information, The DCD server is a terminal support function selected from the list of the terminal support function specified in the first support function information in the terminal support function request message, the DCD server is a function that can support the terminal support function for negotiation terminal.
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KR20000058858A (en) * 2000-07-03 2000-10-05 김희석 method of a contents program transmitting for mobile and executing method thereof
KR20060017247A (en) * 2004-08-20 2006-02-23 에스케이 텔레콤주식회사 Wireless contents download method
JP2008160324A (en) 2006-12-21 2008-07-10 Matsushita Electric Ind Co Ltd Communication terminal device, server, communication system, network-switching method, and contents providing method

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