KR20050000880A - System and method for servicing asymmetric digital subscriber line, and computer readable medium storing thereof - Google Patents

Abstract

PURPOSE: An ADSL service system, a method thereof, and a computer readable recording medium storing the same method are provided to offer various services additionally as an Internet service provider gets presently connected IP users. CONSTITUTION: A client transmits a specific IP to a subscriber information extraction unit to make a request for an ID and information for a subscriber(S301). The subscriber information extraction unit transmits the inputted IP to request a PMS(Property Management System) to search for the subscriber's ID(S302). The PMS transmits the searched subscriber ID to the subscriber information extraction unit. The subscriber information extraction unit transmits the received subscriber ID and the subscriber information related to the subscriber ID to the client(S303,S309). However, if the subscriber's ID does not exist, the subscriber information extraction unit transmits the inputted IP to an IPMS(IP Management System) in order to search for the IP address of a NAS(Network Access Server) which governs the associated IP address(S304). If a relevant NAS is obtained, the subscriber information extraction unit accesses the NAS, and then extracts the port information PVC identifier of the NAS(S306). Then the subscriber information extraction unit inquires into a NAS-NMS by using the port information of the MAS and obtains the connection equipment information of a DSLAM(Digital Subscriber Line Access Multiplexer) connected to the NAS(S307).

Description

SYSTEM AND METHOD FOR SERVICING ASYMMETRIC DIGITAL SUBSCRIBER LINE, AND COMPUTER READABLE MEDIUM STORING THEREOF}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an asymmetric digital subscriber line service system, and more particularly, to an asymmetric digital subscriber line (ADSL), which is assigned a floating Internet Protocol (IP) through a peer-to-peer The present invention relates to an asymmetric digital subscriber line service system and method including a device for extracting subscriber information corresponding to an IP assigned to a subscriber at an access point.

1 is a diagram schematically illustrating a general ADSL network system structure.

As shown in FIG. 1, the ADSL network system includes a subscriber station 100, a digital subscriber line access multiplexer (DSLAM) 200, and a network access server (hereinafter referred to as DSLAM). NAS) 300.

The subscriber station 100 is a subscriber side equipment for using the ADSL service, which includes a subscriber side splitter, a subscriber side ADSL interface ATU-R, a subscriber computer, and a telephone (not shown). The DSLAM 200 performs traffic aggregation and relaying of subscribers between the subscriber station 100 and the NAS 300. The DSLAM 200 is a network for connecting to a telephone station splitter, a telephone station side ASL-C and an external communication network. An interface (not shown). In addition, the NAS 300 performs traffic processing according to subscriber access, authentication, and data transmission and reception, and connects the plurality of DSLAMs 200 to the Internet.

As such, when the subscriber station 100 is connected to the NAS 300 via the DSLAM 200, the multiple virtual machines are connected to the same physical line by a private virtual circuit (PVC) method such as VPI / Virtual Path / Channel Identifier (VPI) for each subscriber. Channels are formed. In this case, the DSLAM 200 and the NAS 300 each have a subscriber network communication service configuration management system (Telecom-service Integration Management System, hereinafter referred to as TIMS) 400 and a quality management system (Property Management System, hereinafter referred to as PMS). RADIUS server 500 is connected and assigned by each TIMS 400 and PMS 500 to ID and password for each subscriber's Peer-to-Peer Protocol (PPP) connection and other subscriber information and subscriber. Channel information is managed.

That is, when the subscriber attempts to access the Internet, the subscriber station 100 transmits the PPP access ID and password given at the time of subscription to the DSLAM 200, and the DSLAM 200 sends the NAS 300 through the STM-1 network. To send). The NAS 300 sends a received ID and password to the PMS 500 to request authentication. If the authentication succeeds, the NAS 300 receives a dynamic IP through a DHCP (Dynamic Host Configuration Protocol) server 600 connected to the NAS 300. After registering in the PMS (500) to give to the subscriber.

At this time, the assigned IP is one of addresses belonging to the IP pool which the NAS 300 can assign, and is managed through an IP resource management system (hereinafter referred to as IPMS) 700 connected to the NAS 300. The STM-1 connection information between the specific port of the NAS 300 and the port of the DSLAM 200 manages the connection information between the specific port of the NAS and the port of the DSLAM at the time of facility construction or change (NAS Network Management System). (Hereinafter referred to as NAS-NMS) 800 is managed. On the other hand, the subscriber-specific PVC information and facility information is determined at the time of subscription is managed through the TIMS (400).

On the other hand, Internet services have recently been widely expanded beyond simple service ranges such as information retrieval and mail transmission and reception, payment of paid contents and products, collection of opinions, and discussion. In addition, an Internet information provider (hereinafter referred to as an ISP) that provides an Internet access service also provides various services such as multimedia contents. As a result, it is often necessary to authenticate the identity or other information of Internet users.

However, as described above, an ISP of an ADSL service that communicates in an Asynchronous Transfer Mode (ATM) method using a telephone line often allocates dynamic IP to a subscriber in order to efficiently use limited IP resources. Therefore, a server providing an Internet service cannot obtain information about an Internet user other than an IP address without using a digital certificate or a separate authentication scheme.

That is, since the subscriber information of the ADSL dynamic IP can be obtained through the PPP access ID, the ID of the subscriber granted the corresponding IP can be obtained in real time by referring to the PMS 500 of the ADSL network system. However, there is a case in which an ID and password are authenticated from the PMS 500 and a dynamic IP assignment process is omitted, and the IP is granted by allowing the ADSL connection. In this case, the ID is obtained from the floating IP through the PMS 500. It will not be available.

It is therefore an object of the present invention to provide an apparatus and method for extracting subscriber information from an IP assigned by a subscriber even when an ADSL subscriber assigned a floating IP does not perform a PMS authentication process.

1 is a diagram schematically illustrating a general ADSL network system structure.

2 is a diagram illustrating a structure of an ADSL network system to which an apparatus for extracting subscriber information according to an embodiment of the present invention is applied.

3 is a flowchart showing the operation of the subscriber information extraction apparatus according to an embodiment of the present invention.

In order to solve this problem, the present invention provides a subscriber's ID and related information by utilizing a subscriber information DB built in an ISP providing an ADSL service and real-time information of a concentrator and related equipment accommodated by the ADSL subscriber.

ADSL service method according to an aspect of the present invention is connected to the subscriber terminal and the Internet through a Digital Subscriber Line Access Multiplexer (DSLAM) and a network access server (Network Access Server, hereinafter referred to as NAS) As a service method of an asymmetric digital subscriber line (hereinafter referred to as ADSL) system,

The ADSL system is connected to the DSLAM and manages the communication service configuration of the subscriber network TIMS (Telecom-service Integration Management System); And managing connection information between the NAS and the port of the DSLAM at the time of establishment or change of a facility, and a property management system (PMS) connected to the NAS to manage quality of service, an IP management system (IPMS) to manage IP resources, and a facility construction or change point. It further includes a NAS Network Management System (NAS-NMS),

a) receiving a request for inquiring about subscriber information corresponding to an IP address of the subscriber station from a client connected through the Internet; b) If the subscriber ID corresponding to the IP address of the subscriber station does not exist by inquiring the PMS, it is determined that the peer-to-peer (PPP) authentication process has not been performed and the NAS managing the IP address from the IPMS. Querying an IP address; c) inquiring about the port information and PVC identifier of the NAS from the inquired NAS, and inquiring the access facility information of the DSLAM connected to the inquired NAS from the NAS-NMS; d) retrieving the subscriber ID belonging to the DSLAM access facility information and the PVC identifier from the TIMS; And e) sending the retrieved subscriber ID and subscriber information to the client.

ADSL service system according to another aspect of the present invention is connected to the subscriber terminal and the Internet through a Digital Subscriber Line Access Multiplexer (DSLAM) and a network access server (Network Access Server, hereinafter referred to as NAS) An asymmetric digital subscriber line (ADSL) service system for connecting,

A telecom-service integration management system (TIMS) connected to the DSLAM to manage a communication service configuration of a subscriber network; A PMS (Property Management System) connected to the NAS for managing quality of service, an IP Management System (IPMS) for managing IP resources, and a NAS for managing connection information between the ports of the NAS and the DSLAM at the time of establishment or change of facilities. NAS Network Management System (NMS); And an IP address of the NAS connected to the TIMS, NAS, PMS, IPMS, and NAS-NMS, which queries the PMS and manages the IP address from the IPMS if there is no subscriber ID corresponding to the IP address of the subscriber station. Query the port information and PVC information of the NAS from the inquired NAS, query the port connection information of the NAS and DSLAM from the NAS-NMS, and the DSLAM access facility information and PVC of the subscriber from the TIMS. And a subscriber information extraction device for extracting subscriber information corresponding to the information.

In addition, the recording medium according to another aspect of the present invention is a subscriber terminal and the Internet through a Digital Subscriber Line Access Multiplexer (DSLAM) and a network access server (Network Access Server, hereinafter referred to as NAS). A recording medium that tangibly embodies a program consisting of instructions executable by a computer to perform a service function of an asymmetric digital subscriber line (ADSL) system.

The ADSL system is connected to the DSLAM and manages the communication service configuration of the subscriber network TIMS (Telecom-service Integration Management System); And managing connection information between the NAS and the port of the DSLAM at the time of establishment or change of a facility, and a property management system (PMS) connected to the NAS to manage quality of service, an IP management system (IPMS) to manage IP resources, and a facility construction or change point. It further includes a NAS Network Management System (NAS-NMS),

a) receiving a request for inquiring about subscriber information corresponding to an IP address of the subscriber station from a client connected through the Internet; b) If the subscriber ID corresponding to the IP address of the subscriber station does not exist by inquiring the PMS, it is determined that the peer-to-peer (PPP) authentication process has not been performed and the NAS managing the IP address from the IPMS. The ability to look up an IP address; c) querying the port information and PVC identifier of the NAS from the inquired NAS and inquiring access facility information of the DSLAM connected to the inquired NAS from the NAS-NMS; And d) retrieving the DSLAM access facility information and the subscriber ID belonging to the PVC identifier from the TIMS, and transmitting the retrieved subscriber ID and subscriber information to the client.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention. Like parts are designated by like reference numerals throughout the specification.

The present invention is applied to the ADSL service environment of the dynamic IP allocation scheme configured as shown in Figure 1, the DSLAM 200 access facility information of each subscriber is defined by the DSLAM ID, rack ID, self ID, line ID and port ID. Subscribers belonging to each DSLAM 200 access facility information are classified by PVC identifiers, and such information is managed in the TIMS 400, unless the subscriber cancels the subscription contract or changes the access facility. It is an immutable value. In addition, the NAS 300 provides an interface for inquiring a port and PVC information assigned to a specific IP of the access service that the ISP currently provides to the subscriber, and the NAS-NMS 800 provides a specific interface of the specific NAS 300. It is assumed that the IPLA 700 manages the DSLAM 200 connection facility information connected to the port, and the information of the IP pool that can be allocated to each NAS 300 is managed.

First, the structure of an ADSL network system according to an embodiment of the present invention will be described in detail with reference to FIG. 1.

Figure 2 briefly illustrates the structure of an ADSL network system to which a subscriber information extracting apparatus according to an embodiment of the present invention is applied.

As shown in FIG. 2, the subscriber information extracting apparatus 900 according to an embodiment of the present invention is a NAS 300, a TIMS 400, a PMS 500, an IPMS 700, and a NAS of an ADSL network system over the Internet. It is connected to the NMS 800 and communicates online / offline with a CRM system or Internet service server (hereinafter referred to as a client) that requests subscriber information.

That is, the subscriber information extraction apparatus according to the embodiment of the present invention receives the port number and the PVC information of the subscriber's DSLAM 200 from the TIMS 400, and receives the NAS 300 port information and the PVC information from the NAS 300. Able to know. In addition, connection information between the port information of the NAS 300 and the port information of the DSLAM 200 may be obtained through the NAS-NMS 800. The subscriber information thus obtained is filtered and provided to the client according to a predetermined range provided for each client.

Next, the operation of the subscriber information extracting apparatus according to the embodiment of the present invention will be described in detail with reference to FIG.

3 is a flowchart showing the operation of the subscriber information extraction apparatus according to an embodiment of the present invention.

As shown in FIG. 3, the client transmits a specific IP to the subscriber information extracting apparatus 900 and requests the subscriber ID and the subscriber information inquiry (S301). Then, the subscriber information extracting device transmits the received IP and first inquires the ID of the corresponding subscriber to the PMS 500 (S302). If the ID of the corresponding subscriber is found as a result of the inquiry, the searched ID and subscriber information related to the corresponding ID and requested by the client are transmitted to the client (S303 and S309). At this time, since the PMS 500 provides only the ID of the subscriber, the client request information related to the ID of the subscriber should be inquired through a separate subscriber information DB. The subscriber information DB may exist inside the subscriber information extraction apparatus 900. It may be managed in a separate system.

On the other hand, if the ID of the subscriber does not exist as a result of the PMS 500 search, the IP address of the NAS 300 that manages the IP address by transmitting to the IPMS 700 that manages the IP pool of the IP address to be inquired is inquired. (S304). If the jurisdiction NAS 300 of the IP address to be queried from the IPMS 700 is not found, it is determined that it is not a dynamic IP ADSL subscriber provided by the ISP and informs the client of the failure to search (S305, S310). ). In addition, when the jurisdiction NAS 300 of the IP address requested to be searched by the IPMS 700 is searched, it accesses the searched corresponding NAS 300 and extracts the port information and PVC identifier of the subscriber currently allocated from the IP address requested to be searched. (S306).

The NAS-NMS 800 is queried using the corresponding port value of the NAS 300 to obtain access facility information of the DSLAM 200 connected to the port (S307).

Finally, after accessing the TIMS 400 to obtain the access facility information of the DSLAM 200 extracted from the NAS-NMS 800 and the subscriber ID belonging to the PVC identifier extracted from the NAS 300 (S308), the retrieved subscriber The ID and client request subscriber information related to the ID are transmitted to the client (S309).

As described above, when providing subscriber information through the subscriber information extracting apparatus of the present invention, the minimum information required by the client (Internet service server, etc.) within the legal limit including the terms and conditions only for the client which has been previously affiliated with the ISP. It is desirable to provide only. In addition, it is only natural that ADSL subscribers must be informed in advance of this information.

In addition, the subscriber information extraction method according to an embodiment of the present invention may be implemented as a program and stored in a computer-readable recording medium such as a CD-ROM, a RAM, a ROM, a floppy disk, a hard disk, a magneto-optical disk, and the like.

Although the preferred embodiment of the present invention has been described in detail above, the present invention is not limited thereto, and various other changes and modifications are possible.

By using the apparatus and method for extracting subscriber information as described above, the Internet service provider can additionally provide various services by obtaining a user of the currently connected IP. In addition, when ADSL access subscribers make payments through the Internet, they can request the payment of Internet products by adding ADSL access fees without additional authentication process, and using the participants' IP names during polls, online voting, and online discussions. This can be used to track or prevent Internet misuse or crime that exploits the anonymity of the Internet.

Claims (9)

Asymmetric Digital Subscriber Line that connects subscriber terminal to the Internet through Digital Subscriber Line Access Multiplexer (DSLAM) and Network Access Server (NAS). In the service method of the system, The ADSL system is connected to the DSLAM and manages the communication service configuration of the subscriber network TIMS (Telecom-service Integration Management System); And managing connection information between the NAS and the port of the DSLAM at the time of establishment or change of a facility, and a property management system (PMS) connected to the NAS to manage quality of service, an IP management system (IPMS) to manage IP resources, and a facility construction or change point. It further includes a NAS Network Management System (NAS-NMS), a) receiving a request for inquiring about subscriber information corresponding to an IP address of the subscriber station from a client connected through the Internet; b) If the subscriber ID corresponding to the IP address of the subscriber station does not exist by inquiring the PMS, it is determined that the peer-to-peer (PPP) authentication process has not been performed and the NAS managing the IP address from the IPMS. Querying an IP address; c) inquiring about the port information and the PVC identifier of the NAS from the inquired NAS, and inquiring the access facility information of the DSLAM connected to the inquired NAS from the NAS-NMS; d) retrieving the subscriber ID belonging to the DSLAM access facility information and the PVC identifier from the TIMS; And e) transmitting the retrieved subscriber ID and subscriber information to the client. ADSL service method comprising a. The method of claim 1, In step b), If there is a subscriber ID corresponding to the IP address of the subscriber station which has requested the inquiry by searching the PMS, transmitting the corresponding subscriber information to the client through step e). How to service ADSL. The method of claim 1, In step b), Searching for the IP address of the NAS that manages the subscriber station IP address by using the IP pool information of the IPMS How to service ADSL. The method of claim 1, In step c), Obtain the port assigned to the IP address of the subscriber station and the virtual path / channel identifier (VPI / VCI) value from the inquired NAS to use as subscriber access facility information. How to service ADSL. The method of claim 1, In step c), Search for access facility information of the DSLAM port connected to a specific port of the inquired NAS and use it as subscriber access facility information. How to service ADSL. The method of claim 1, In step b) If the IP address of the NAS that manages the IP address is not retrieved from the IPMS, it is determined that the subscriber is not a subscriber of the corresponding ADSL system and notifies the client of the search failure and terminates the subscriber information inquiry. How to service ADSL. The method of claim 5, The access facility information of the DSLAM includes a DSLAM ID, a rack ID, a self ID, a line ID, and a port ID. How to service ADSL. Asymmetric Digital Subscriber Line that connects subscriber terminal to the Internet through Digital Subscriber Line Access Multiplexer (DSLAM) and Network Access Server (NAS). (Hereinafter referred to as ADSL) service system, A telecom-service integration management system (TIMS) connected to the DSLAM to manage a communication service configuration of a subscriber network; A PMS (Property Management System) connected to the NAS for managing quality of service, an IP Management System (IPMS) for managing IP resources, and a NAS for managing connection information between the ports of the NAS and the DSLAM at the time of establishment or change of facilities. NAS Network Management System (NMS); And Connected to the TIMS, NAS, PMS, IPMS, and NAS-NMS, if the subscriber ID corresponding to the IP address of the subscriber station does not exist by searching the PMS, the IP address of the NAS managing the IP address from the IPMS is obtained. Inquire, the port information and PVC information of the NAS from the inquired NAS, query the port connection information of the NAS and DSLAM from the NAS-NMS, DSLAM access facility information and PVC information of the subscriber from the TIMS Subscriber information extraction device for extracting subscriber information corresponding to ADSL service system comprising a. Asymmetric Digital Subscriber Line that connects subscriber terminal to the Internet through Digital Subscriber Line Access Multiplexer (DSLAM) and Network Access Server (NAS). A recording medium tangibly embodying a program composed of instructions executable by a computer to perform a service function of a system, The ADSL system is connected to the DSLAM and manages the communication service configuration of the subscriber network TIMS (Telecom-service Integration Management System); And managing connection information between the NAS and the port of the DSLAM at the time of establishment or change of a facility, and a property management system (PMS) connected to the NAS to manage quality of service, an IP management system (IPMS) to manage IP resources, and a facility construction or change point. It further includes a NAS Network Management System (NAS-NMS), a) receiving a request for inquiring about subscriber information corresponding to an IP address of the subscriber station from a client connected through the Internet; b) If the subscriber ID corresponding to the IP address of the subscriber station does not exist by querying the PMS, it is determined that the peer-to-peer (PPP) authentication process has not been performed, and the NAS managing the IP address from the IPMS. The ability to look up an IP address; c) querying the port information and PVC identifier of the NAS from the inquired NAS and inquiring access facility information of the DSLAM connected to the inquired NAS from the NAS-NMS; And d) searching for the DSLAM access facility information and the subscriber ID belonging to the PVC identifier from the TIMS, and transmitting the retrieved subscriber ID and subscriber information to the client; The recording medium in which the program is stored.