KR20100090613A - Apparatus and method for location management in iptv service overlay network system - Google Patents

Abstract

PURPOSE: A device and a method for managing position in an IPTV(Internet Protocol Television) service overlay network system are provided to build service overlay network of an IPTV based on information of location of an IPTV user and use position information of an IPTV user, thereby easily controlling an IPTV service in an application layer. CONSTITUTION: An IPTV session tree generation control/management unit(212) sets an optimum IPTV session path between an IPTV contents server and an IPTV terminal through position information of a contents processing information controller(220). An IPTV position information management unit(216) manages physical position information of an IPTV user by connecting with a position management unit(240). The contents processing information control unit searches nearest IPTV contents server with the IPTV terminal.

Description

APPARATUS AND METHOD FOR LOCATION MANAGEMENT IN IPTV SERVICE OVERLAY NETWORK SYSTEM}

The present invention relates to a technology for managing location information in an IPTV service overlay network system for controlling IPTV services. In particular, the present invention relates to various types of IPTV services, IPTV user requirements, IPTV service media characteristics, IPTV service quality and security characteristics, and the like. The present invention relates to an apparatus and method for managing location in an IPTV service overlay network system that can provide an additional service related to routing and location of an IPTV service based on user's location information in a virtual IPTV service overlay network.

In general, IPTV (Internet Protocol Television Service System) can be defined as a representative convergence service between broadcasting and telecommunication which provides digital video service, two-way data service and various personalized services through a TV using a differentiated high-speed broadband network. have. In other words, it can use both communication and broadcasting services as well as providing new interactive contents such as video on demand (VOD), electronic programs (EPG), T-commerce, and broadcasting program linked data services. have. The most distinctive feature of IPTV is that users can react actively while watching real TV, moving away from unilateral and passive service of existing TV. On-demand service is available, which allows users to select the channel as on a conventional TV, and to simply apply for the latest movie with a simple remote control like ordering a pizza without going to a video rental store.

However, in the conventional IPTV service technology, it merely provides a role of delivering content and information, and according to various types of IPTV services, various IPTV user requirements, various IPTV service media characteristics, IPTV service quality and security characteristics, etc. There was a drawback in not being able to support control or differentiated quality services.

As described above, in the conventional IPTV service technology, due to the limitations of the IPTV network, there are many restrictions in developing the service control structure to satisfy various requirements of the IPTV user.

Accordingly, an object of the present invention is to provide an IPTV overlay network system to satisfy various types of IPTV services, various IPTV user requirements, various IPTV service media characteristics, IPTV service quality and security characteristics, as well as location-based services of IPTV users. To build.

It is still another object of the present invention to search for and establish an optimal path between an IPTV terminal and a content server through an IPTV overlay network system.

The objects of the present invention are not limited to the above-mentioned objects. Other objects and advantages of the invention will be more clearly understood by the following description.

The present invention for achieving the above object,

A plurality of IPTV terminals connected to an IP network so that a user can select and watch arbitrary IPTV contents stored in the IPTV content management unit;

An IPTV service control unit managing user information or billing information related to the IPTV service;

An IPTV content management unit including a plurality of IPTV content servers for storing various IPTV contents and providing various IPTV services to the IPTV terminal with various IPTV application service units;

In order to manage an IPTV service session, an optimal IPTV is used between the IPTV content server and the IPTV terminal by using the IPTV content ID provided by the IPTV service controller, the location information of the IPTV terminal, and the location information of the content processing information controller. IPTV session tree generation control / management unit for setting a session path,

An IPTV session controller connected to an external location manager and including an IPTV location information manager to manage physical location information of an IPTV user;

And the content processing information control unit for identifying the location of the IPTV terminal and the location of the IPTV content server to search for the IPTV content server closest to the IPTV terminal for the optimal path setting.

Preferably, the IPTV session controller

It is connected to the IPTV service control unit to check and analyze the message for the user's IPTV service request, and transmits the result to the IPTV session tree generation control / management unit and the IPTV content location / processing information management unit, and registers the location with the IPTV location information management unit. IPTV service information analysis and classification unit for requesting;

Store, modify, delete, and change session tree information in the IPTV session tree information repository to create and manage service sessions, create and manage session trees between users and content using the IPTV service, and provide the location information manager with An IPTV session tree generation control / management unit for requesting location information;

Manages mapping between logical information corresponding to IPTV session and actual network information, selectively connects with external resource controller to control network resources, and transmits information such as network resource allocation to IPTV session tree generation control / management An IPTV session resource control manager;

An IPTV content location / processing information management unit which delivers content location information and processing information for creating a session to the content processing information control unit so as to find an optimal content server;

An IPTV session tree information store for storing IPTV user information, IPTV terminal information, and IPTV session information associated with an IPTV service session, and storing all logical path information from a content server to an IPTV user for providing an IPTV service;

An IPTV location information manager connected to an external location manager to manage physical location information of the IPTV user;

A physical location information storage of an IPTV terminal, comprising: an IPTV location information storage for storing an identifier of an IPTV terminal requesting an IPTV service and location related information received from a location management unit.

Preferably, the IPTV location information management unit is connected to an external location management unit having the function of location positioning and an open LBS platform of the LBS, to distinguish the domain of the IPTV service, the IP address of the IPTV user terminal of the wired environment or the IPTV of the wireless environment. It divides user's physical location information into IPTV service area and delivers location information generated to IPTV session tree generation control / management.

Preferably, the IPTV location information management unit

An IPTV user location information control unit which stores location information of the IPTV terminal in the IPTV location information store;

When there is a request for processing location information from the IPTV user location information control unit, the IPTV terminal location information request for acquiring the location information from the location management unit and transferring the location information to the IPTV service area information storage unit to obtain information on the current service area of the IPTV terminal; A processing unit;

An IPTV service area information storage unit which maps the location information of the IPTV terminal with the IPTV service area information, obtains service area information in which the current IPTV terminal is located, and transmits the service area information to the IPTV terminal location information request and processing unit;

Another invention for achieving the above object is,

 A first step of analyzing and classifying a location registration request message received by the IPTV service information analysis and classification unit from the IPTV service control unit and transmitting the classified location registration request information to the IPTV location information management unit;

A second step of obtaining, by the IPTV location information manager, location information of the IPTV terminal from the location manager to register the location of the IPTV terminal, and storing the location information in the location information storage;

The IPTV service information analysis and classification unit receives a response to the location registration request from the IPTV location information management unit and transmits the IPTV service control unit to register the location of the IPTV terminal.

Another invention for achieving the above object is,

 The IPTV user location information control unit requests the location information request and processing unit location information of the IPTV terminal according to the request of the IPTV service information analysis and classification unit, and the IPTV terminal location information request and processing unit requests the location information of the current IPTV terminal from the location management unit. Receiving the first step of delivering to the IPTV service area information storage unit;

The IPTV service area information storage unit obtains the IPTV service area information on the position coordinates of the IPTV terminal from the received position information, and transmits the IPTV terminal location information request and processing unit to the IPTV user location information control unit to obtain the location information of the IPTV terminal. A second step of allowing registration processing;

The IPTV session tree generation control / management unit requests the location information of the IPTV terminal from the IPTV user location information control unit. The IPTV user location information control unit obtains the current service area information of the IPTV terminal from the IPTV location information store. And a third process of transmitting the IPTV session tree to the generation control / management unit.

The present invention has an advantage that it is possible to easily control the IPTV service in the application layer by building the IPTV service overlay network based on the IPTV user location information and using the location information of the IPTV user.

In addition, in the case of using the IPTV supplementary service in the IPTV service overlay network system according to the present invention, it is possible to divide a service area into regions and provide local advertisements in the service area, and provide a smoother service when the IPTV user terminal moves. This has the advantage of being able to easily control the rerouting and the like.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an IPTV service overlay network system to which the present invention is applied. As shown in FIG. 1, a plurality of IPTV terminals 100, an IPTV service overlay network system 200, and an IPTV service control unit 300 are connected to an IP network. ), The IPTV content management unit 400.

In FIG. 1, the parts except for the IPTV service overlay network system 200 are the same as the existing IPTV structure. That is, the present invention manages the IPTV service by adding the IPTV service overlay network system 200 to the structure of the conventional IPTV service system.

The IPTV terminal 100 may be implemented by various devices such as a TV and a set-top box, an IPTV terminal, a mobile device, and the like that can use IPTV services.

The IPTV service control unit 300 manages information related to the IPTV service, such as storing information of a user who uses the IPTV service and processing billing.

The IPTV content management unit 400 includes an IPTV content server unit 410 consisting of several IPTV content servers having IPTV content, and an IPTV application service unit configured to provide various IPTV services to the IPTV terminal 100. 420.

The IPTV service overlay network system 200 of the present invention is added to the IPTV service system. The IPTV service overlay network system 200 includes an IPTV session controller 210 connected to the IPTV service controller 300 and an IPTV content server. And a content processing information control unit 220 connected to the unit 410. Therefore, when the IPTV session controller 210 configures the service session, the content information can be obtained through the connection with the content processing information controller 220.

For reference, streaming applications for IPTV services typically run on a large scale on the same network, with hundreds or even thousands of users simultaneously, so the multicast technique must scale to large groups. In addition, the network resources must be used efficiently while satisfying the QoS of suitable data transmission characteristics. In particular, as IPTV service is evolved into mobile service, multicast technology considering user's mobility should be provided.

Overlay networking is gaining attention as a technology that meets these requirements. Overlay networking is a technology used in distributed computing environments that provides service level networking features that provide application service level service control and user requirements on top of physical delivery network environments.

The overlay network may be regarded as a virtual network having a service routing function based on a physical network of an existing transport network function. In other words, it is a virtual network formed by forming a separate node function and logical links on the network function of the network. In the overlay network, since the neighbor node is a logical neighbor node, not a physical neighbor node, it is possible to provide an efficient network service by making the most of the existing network. Overlay networking topologies restructure additional logical topologies on top of existing physical or logical topologies to improve service performance, increase efficiency, and provide a variety of features.

The IPTV service overlay network system 200 is configured on the physical network as described above, and has a network structure capable of totally controlling the physical network through the IPTV service overlay network system 200. When the IPTV user requests an IPTV service, the IPTV service overlay network system 200 finds an optimal path considering the network situation and delivers it to the physical network. Therefore, IPTV service is provided through an optimal path.

On the other hand, in a wired and wireless environment, IPTV services require IPTV services of different quality. In this case, it is necessary to provide differentiated quality services according to the environment of each IPTV terminal 100 and the environment of a network. In the IPTV service overlay network system 200 according to the present invention, by forming a differentiated service overlay using the IPTV service overlay session management method and providing service quality, security characteristics, and community for each service overlay, IPTV service can be provided even in a wireless environment.

In addition, in the provision of IPTV service supporting mobility later, it is possible to manage and control the addition, movement, change, deletion, etc. of the session through the IPTV service overlay session using the IPTV service overlay network system 200 of the present invention.

FIG. 2 is a detailed block diagram showing an implementation of the IPTV session controller 210 in FIG. 1, as shown therein, and an IPTV service information analysis and classification unit 211; An IPTV session tree generation control / management unit 212; An IPTV session resource control management unit 213; An IPTV content location / processing information management unit 214; An IPTV session tree information store 215; An IPTV location information manager 216; IPTV location information storage (217).

The IPTV session controller 210 is connected to an IPTV service controller 300 that delivers a request of an IPTV user, receives request information such as content search, content request, and content release, and is one-to-one with the content processing information controller 220. It is connected in the form of a content search function for a request for content and a request such as a keyword search.

The IPTV session controller 210 may be connected to a resource controller 230 that manages resources such as bandwidth to support management of network resources for IPTV services. However, the IPTV session controller 210 is not necessarily connected to the resource controller 230. When resource control is required in providing an IPTV service, the IPTV session controller 210 may be connected to the resource controller 230 when the IPTV session controller 210 does not support such resource control.

At this time, the IPTV session controller 210 requests network resources according to the IPTV service to the resource controller 230 to secure network bandwidth necessary for service delivery, and controls and manages the network resources until the service session ends. do. When terminating the service session, the IPTV session controller 210 again terminates the service session for releasing and managing the network bandwidth secured to the resource controller 230.

The IPTV service information analysis and classification unit 211 is connected to an external IPTV service control unit 300 to check and analyze a message for a user's IPTV service request and analyze the result of the IPTV session tree generation control / management unit 212 and IPTV. The content location / processing information management unit 214 is transmitted to perform the corresponding functions. In addition, the IPTV service information analysis and classification unit 211 is connected to the IPTV location information management unit 216 for location registration and performs a request for location registration.

The IPTV session tree generation control / management unit 212 performs a function of creating and managing a service session. To this end, the IPTV session tree generation control / management unit 212 is directly connected to the IPTV session tree information store 215 to store, modify, delete, and change information of the session tree. do. The IPTV session tree generation control / management unit 212 performs a function of generating and managing a session tree between a user who uses an IPTV service and content. The IPTV session tree generation control / management unit 212 is connected to the IPTV session resource control management unit 213 and the IPTV content location / processing information management unit 214 for generating and managing a session or for providing an IPTV service. The IPTV session tree generation control / management unit 212 is connected to the location information management unit 216 and requests the location information management unit 216 for location information of the IPTV terminal 100 during session creation and management.

The IPTV session resource control manager 213 manages a mapping between logical information corresponding to the IPTV session and information of an actual network and selectively connects with an external resource controller 230. When the resource controller 230 is connected to the IPTV session controller 210, the resource controller 230 performs a function of controlling network resources. In addition, the IPTV session resource control management unit 213 performs a function of transmitting information such as resource allocation of the network to the IPTV session tree generation control / management unit 212.

The IPTV content location / processing information management unit 214 is connected to an external content processing information control unit 220 to search for a content corresponding to an IPTV service request and to process a request, wherein the session is connected to the content processing information control unit 220. Content location information and processing information for generation are transmitted to find an optimal content server.

The IPTV session tree information store 215 is a storage device for storing IPTV user information, IPTV terminal information, and IPTV session information related to an IPTV service session. The IPTV session tree information storage 215 includes IPTV session tree information together with all information corresponding to an IPTV session. Stores all logical path information from the content server to the IPTV user for provisioning.

The IPTV location information management unit 216 is connected to the external location management unit 240 to manage location information corresponding to the IPTV terminal 100 requesting the IPTV service, and thus receives the location of the received IPTV terminal 100. Store in the IPTV location information store 217. In addition, the IPTV location information management unit 216 is connected to the IPTV service information analysis and classification unit 211 and starts the location registration of the IPTV terminal 100 when the first location registration request is requested, and the IPTV session tree generation control / management unit In connection with 212, location information is provided when creating and managing an IPTV session.

The IPTV location information storage 217 is a device for storing physical location information of the IPTV terminal 100. The IPTV location information storage 217 includes an identifier of the IPTV terminal 100 requesting an IPTV service and location-related information received from the location manager 240. Save it.

3 is a flowchart illustrating a process of registering a location of the IPTV session controller 210. This process is a process of registering the position of the IPTV terminal 100 when the IPTV user logs in.

Referring to FIG. 3, the IPTV service control unit 300 transmits a user login and location registration request message to the IPTV service information analysis and classification unit 211 (S301).

The IPTV service information analysis and classification unit 211 analyzes and classifies a location registration request message received from the IPTV service control unit 300 and transmits the classified location registration request information to the IPTV location information management unit 216. (S302, S303)

The IPTV location information manager 216 requests the location manager 240 to obtain location information (coordinates) of the IPTV terminal 100 in response to the location registration request of the IPTV terminal 100, and obtains the location information accordingly. (S304)

In addition, the IPTV location information manager 216 stores the acquired location information of the IPTV terminal 100 in the location information storage 217. (S305)

Subsequently, the IPTV location information management unit 216 responds to the location registration request to the IPTV service information analysis and classification unit 211 (S306).

Thereafter, the IPTV service information analysis and classification unit 211 responds to the user location registration to the IPTV service control unit 300 (S307).

4 is a flowchart illustrating a process of requesting location information and IPTV content service of the IPTV session controller 210. This process is a process for establishing an IPTV session based on location information when requesting a user's IPTV content service.

Referring to FIG. 4, the IPTV service control unit 300 transmits a content service request message to the IPTV service information analysis and classification unit 211 (S401).

The IPTV service information analysis and classification unit 211 analyzes and classifies the content service request message received from the IPTV service control unit 300 and then classifies the IPTV content service request information into an IPTV session tree generation control / management unit. (S402, S403).

The IPTV session tree generation control / management unit 212 receives the content service request information from the IPTV service information analysis and classification unit 211 and then provides the IPTV location information management unit 216 with the location information of the IPTV terminal 100. Request (S404)

On the other hand, the IPTV location information management unit 216 obtains the latest location information of the IPTV terminal 100 stored in the IPTV location information storage 217 and transfers it to the IPTV session tree generation control / management unit 212. (S405, S406)

The IPTV session tree generation control / management unit 212 checks the IPTV session in relation to the requested content service, checks the content information in the IPTV session tree information storage 215, and stores the content service request information in the IPTV content location. The data is transmitted to the processing information manager 214 (S407, S408).

The IPTV content location / processing information management unit 214 maps location information for searching for a desired one among the plurality of content processing information control units 220, and then transmits a content confirmation request message to each content processing information control unit 220. (S409, S410)

Thereafter, the IPTV content location / processing information managing unit 214 receives the content acknowledgment message from the content processing information controlling unit 220, and immediately delivers the content identifying information to the IPTV session tree generation control / management unit 212. (S411, S412)

The IPTV session tree generation control / management unit 212 checks the IPTV session location with respect to the content identification information, and then transmits the content information related to the location information of the content processing information control unit 220 to the IPTV session resource control management unit 213. (S413, S414)

The IPTV session resource control management unit 213 maps network resource control information in order to change the ID of the content processing information control unit 220 into a physical network address, and then confirms that the IPTV session resource control management unit 213 is connected to the resource control unit 230. If the connection is found to be connected, the resource controller 230 requests network resource reservation and receives a response thereto (S415).

The IPTV session resource control management unit 213 transmits a confirmation response message for resource reservation to the IPTV session tree generation control / management unit 212. (S416)

The IPTV session tree generation control / management unit 212 adds an IPTV session related to the corresponding content service in the form of a tree, and then transmits a response message for the content request information to the IPTV service information analysis and classification unit 211. (S417, S418)

In response to this, the IPTV service information analysis and classification unit 211 transmits a response message for the content service request to the IPTV service control unit 300, thereby ending a series of processes for the content service request (S419).

FIG. 5 is a detailed block diagram showing an implementation of the IPTV location information management unit 216 shown in FIG. 2, as shown therein, and the IPTV user location information control unit 216A; An IPTV terminal location information request and processing unit 216B; IPTV service area information storage unit 216C.

 The IPTV user location information control unit 216A receives a request for location registration for the IPTV terminal 100 from the IPTV service information analysis and classification unit 211 and the IPTV session tree generation control / management unit 212 of the IPTV terminal 100. Upon receiving the location information transmission request, the request information is transmitted to the IPTV terminal location information request and processing unit 216B, and the location information of the IPTV terminal 100 is stored in the IPTV location information storage 217.

 When the IPTV terminal location information request and processing unit 216B receives a request for processing location information from the IPTV user location information control unit 216A, the IPTV terminal location information request and processing unit 216B sends the location information (coordinate) to the location manager 240 that performs a function such as LBS. After the request is obtained, the location information is transmitted to the IPTV service area information storage unit 216C to acquire information on the current service area of the IPTV terminal 100.

 The IPTV service area information storage unit 216C stores information obtained by dividing the IPTV service area, and receives the location information from the IPTV terminal location information request and processing unit 216B and maps it with the IPTV service area information. It acquires the service area information in which the current IPTV terminal 100 is located and delivers it to the IPTV terminal location information request and processing unit 216B.

6 is a flowchart illustrating a process of registering a location and requesting a location in the IPTV location information manager 216. This process is performed when the location information of the IPTV terminal 100 is registered or the location information is requested.

Referring to FIG. 6, the IPTV service information analysis and classification unit 211 requests the IPTV user location information control unit 216A in the IPTV location information management unit 216 to register location information of the IPTV terminal 100 (S601).

The IPTV user location information control unit 216A requests the location information request and processing unit 216B of the IPTV terminal 100 to request location information of the IPTV terminal 100 (S602).

On the other hand, the IPTV terminal location information request and processing unit 216B requests the location manager 240 existing outside the IPTV service overlay network system to request location information (coordinates) of the current IPTV terminal 100 and its location information. (S603, S604)

Thereafter, the IPTV terminal location information request and processing unit 216B transfers the received location information to the IPTV service area information storage unit 216C (S605).

The IPTV service area information storage unit 216C obtains IPTV service area information on the position coordinates of the IPTV terminal 100 from the received position information, and transmits the IPTV service area information request and processing unit 216B. S606, S607)

The IPTV terminal location information request and processing unit 216B delivers service area information of the IPTV terminal 100 to the IPTV user location information control unit 216A (S608).

The IPTV user location information control unit 216A stores the current service area information of the IPTV terminal 100 in the IPTV location information storage 217 and delivers the IPTV service area information to the IPTV service information analysis and classification unit 211. (S609,610)

Then, in the process of requesting the location information of the IPTV terminal 100, the IPTV session tree generation control / management unit 212 to the IPTV user location information control unit 216A in the IPTV location information management unit 216 IPTV terminal 100 Request location information of the device. (S611)

In this regard, the IPTV user location information control unit 216A obtains the current service area information of the IPTV terminal 100 from the IPTV location information storage 217 and transfers it to the IPTV session tree generation control / management unit 212. (S612, S613)

Although the preferred embodiment of the present invention has been described in detail above, the scope of the present invention is not limited thereto, and may be implemented in various embodiments based on the basic concept of the present invention defined in the following claims. Such embodiments are also within the scope of the present invention.

1 is an overall block diagram of an IPTV service overlay network system according to the present invention;

FIG. 2 is a detailed block diagram of the IPTV session controller in FIG. 1. FIG.

3 is a flowchart illustrating a process of registering a location of an IPTV session controller.

4 is a flowchart illustrating a process of processing a request for location information and an IPTV content service of an IPTV session controller.

5 is a detailed block diagram of the IPTV location information management unit of FIG. 2;

6 is a flowchart of a process of processing location registration and request in the IPTV location information management unit.

*** Description of the symbols for the main parts of the drawings ***

100: IPTV terminal

200: IPTV service overlay network system

210: IPTV session control unit

211: IPTV service information analysis and classification unit

212: IPTV session tree generation control / management unit

213: IPTV session resource control management unit

214: IPTV content location / processing information management unit

215: IPTV Session Tree Information Store

216: IPTV location information management unit

216A: IPTV user location information control unit

216B: IPTV terminal location information request and processing unit

216C: IPTV service area information storage

217: IPTV location information store

220: content processing information control unit

230: resource control unit

240: location management unit

300: IPTV service control unit

400: IPTV Content Management Department

410: IPTV content server unit

411A-411N: IPTV Content Server

420: IPTV application processing unit

421A-421N: IPTV Application Service Department

Claims (9)

A plurality of IPTV terminals connected to an IP network so that a user can select and watch arbitrary IPTV contents stored in the IPTV content management unit; An IPTV service control unit managing user information or billing information related to the IPTV service; An IPTV service overlay network system comprising an IPTV content management unit including a plurality of IPTV content servers to store various IPTV contents and providing various IPTV services to the IPTV terminal by providing various IPTV application services. In order to manage an IPTV service session, an optimal IPTV is used between the IPTV content server and the IPTV terminal by using the IPTV content ID provided by the IPTV service controller, the location information of the IPTV terminal, and the location information of the content processing information controller. IPTV session tree generation control / management unit for setting a session path, An IPTV session controller connected to an external location manager 240 and having an IPTV location information manager for managing physical location information of an IPTV user; In the IPTV service overlay network system comprising a content processing information control unit for identifying the location of the IPTV terminal and the location of the IPTV content server to search the IPTV content server closest to the IPTV terminal for the optimal path setting Location management device. The IPTV session control unit of claim 1, wherein the IPTV session controller checks and analyzes a message for a user's IPTV service request, and transmits the result to an IPTV session tree generation control / management unit and an IPTV content location / processing information management unit. An apparatus for managing location in an IPTV service overlay network system, characterized in that it further comprises an IPTV service information analysis and classification unit for requesting location registration. The IPTV session controller of claim 1, wherein the IPTV session controller manages mapping between logical information corresponding to the IPTV session and information of the actual network, controls network resources through an external resource controller, and provides information such as resource allocation of the network. An apparatus for managing location in an IPTV service overlay network system, characterized by further comprising an IPTV session resource control management unit for transmitting to the IPTV session tree generation control / management unit. The IPTV session control unit of claim 1, further comprising: an IPTV content location / processing information management unit configured to transfer content location information and processing information for creating a session to the content processing information control unit to find an optimal content server. Location management apparatus in the IPTV service overlay network system, characterized in that. The IPTV session control unit stores IPTV user information, IPTV terminal information, and IPTV session information related to the IPTV service session, and also stores all logical path information from the content server to the IPTV user for providing the IPTV service. The apparatus for location management in an IPTV service overlay network system, further comprising an IPTV session tree information store. The IPTV session control unit of claim 1, further comprising: an IPTV location information store, which stores an identifier of an IPTV terminal requesting an IPTV service and location-related information received from a location manager as an IPTV session physical storage. Location management apparatus in the IPTV service overlay network system, characterized in that configured. The method of claim 1, wherein the IPTV location information management unit 216 An IPTV user location information control unit which stores location information of the IPTV terminal in the IPTV location information store; When there is a request for processing location information from the IPTV user location information control unit, the IPTV terminal location information request for acquiring the location information from the location management unit and transferring the location information to the IPTV service area information storage unit to obtain information on the current service area of the IPTV terminal; A processing unit; IPTV service area information storage unit configured to map the location information of the IPTV terminal with the IPTV service area information to obtain the service area information in which the current IPTV terminal is located, and then transfer the information to the IPTV terminal location information request and processing unit. Location management device in a service overlay network system.  A first step of analyzing and classifying a location registration request message received by the IPTV service information analysis and classification unit from the IPTV service control unit and transmitting the classified location registration request information to the IPTV location information management unit; A second step of obtaining, by the IPTV location information manager, location information of the IPTV terminal from the location manager to register the location of the IPTV terminal, and storing the location information in the location information storage; In the IPTV service overlay network system, the IPTV service information analysis and classification unit registers the location of the IPTV terminal by performing a third process of receiving a response to the location registration request from the IPTV location information management unit and forwarding the IPTV service control unit. How to manage.  The IPTV user location information control unit requests the location information request and processing unit for location information of the IPTV terminal according to the request of the IPTV service information analysis and classification unit, and the IPTV terminal location information request and processing unit requests the location information of the current IPTV terminal from the location management unit. Receiving the first step of delivering to the IPTV service area information storage unit; The IPTV service area information storage unit obtains the IPTV service area information on the position coordinates of the IPTV terminal from the received position information, and transmits the IPTV terminal location information request and processing unit to the IPTV user location information control unit to obtain the location information of the IPTV terminal. A second step of allowing registration processing; The IPTV session tree generation control / management unit requests the location information of the IPTV terminal device to the IPTV user location information control unit, and the IPTV user location information control unit obtains the current service area information of the IPTV terminal from the IPTV location information store and then performs the IPTV session. Location management method in the IPTV service overlay network system, characterized in that the third step of passing to the tree generation control / management unit.

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