KR102532264B1 - Method for remote installing customer network equipment and Software defiend network server using the same - Google Patents

Abstract

The present application relates to a remote opening method of a subscriber network terminal and an SDN server using the same. The method relates to an access recognition step of recognizing a network connection of a subscriber network terminal through an access router; a terminal access step of acquiring a single link address set exclusively between the access router and the subscriber network terminal from the access router, and accessing the subscriber network terminal using the single link address; an access information search step of extracting identification information from the subscriber network terminal and searching for access information corresponding to the subscriber network terminal using the identification information; and a service opening setting step of performing a setting for service opening of the subscriber network terminal using the opening information.

Description

Method for remote opening of subscriber network terminal and SDN server using the same {Method for remote installing customer network equipment and Software defiend network server using the same}

The present application relates to a remote opening method of a subscriber network terminal and an SDN server using the same, and a remote opening method of a subscriber network terminal capable of opening by automatically performing service opening setting for a subscriber network terminal connected to a network for the first time, and the same. It's about the SDN server you use.

Conventionally, in order to use a network, router users or administrators had to directly input environment settings such as setting an interface in the router and selecting a router protocol. However, if you are not a network expert, it is difficult to set up the environment one by one, and when an Internet Service Provider (hereinafter referred to as 'ISP') tries to provide a new differentiated service, the settings of all routers belonging to the ISP The manager had to go and change it himself.

The present application is intended to provide a remote opening method for a subscriber network terminal that can open by automatically performing service opening setting for a subscriber network terminal connected to a network for the first time, and an SDN server using the same.

The present application is intended to provide a method for remote opening of a subscriber network terminal capable of automatically opening a service without adding a separate setting for the subscriber network terminal and an SDN server using the same.

The present application is intended to provide a remote access method for subscriber network terminals that can perform remote access to subscriber network terminals simply while maintaining consistency with the existing IPv4 network, and an SDN server using the same.

A remote opening method of a subscriber network terminal according to an embodiment of the present invention relates to a remote opening method of a subscriber network terminal by a Software Defined Network (SDN) server, and recognizes network access of a subscriber network terminal through an access router. Access recognition step to do; a terminal access step of acquiring a single link address set exclusively between the access router and the subscriber network terminal from the access router, and accessing the subscriber network terminal using the single link address; an access information search step of extracting identification information from the subscriber network terminal and searching for access information corresponding to the subscriber network terminal using the identification information; and a service opening setting step of performing a setting for service opening of the subscriber network terminal using the opening information.

Here, the access router may be a network device initially connected to the subscriber network terminal when the subscriber network terminal accesses the network.

Here, when the access of the subscriber network terminal is sensed, the access router may set the single link address exclusively used between the subscriber network terminal and the subscriber network terminal.

Here, the single link address may be an internet protocol version 6 (IPv6) link-local address.

In the connection recognizing step, a simple network management protocol (SNMP) trap or syslog may be received from the access router to recognize network access of the subscriber network terminal.

Here, in the terminal access step, the SDN server may retrieve the IPv6 neighbor from the access router and obtain the single link address of the subscriber network terminal accessing the access router.

In the terminal access step, the SDN server accesses the subscriber network terminal via the access router, and the access router performs a proxy function to relay between the SDN server and the subscriber network terminal. can

In the terminal access step, the access router may relay communication between the SDN server accessed using an IPv6 address or an IPv4 address and the subscriber network terminal accessed using an IPv6 link-local address.

Here, in the remote access method of a subscriber network terminal according to an embodiment of the present invention, prior to connecting the subscriber network terminal to the network, opening information for the subscriber network terminal is received from a user and stored in an opening information database. An information DB (database) generating step may be further included.

Here, the access information may include at least one of a model name, a serial number, a barcode, and a Media Access Control (MAC) address of the subscriber network terminal.

Here, the access information may further include user information including at least one of a user name and a user address, and router information including at least one of a serial number and a MAC address of an access router corresponding to the user address. there is.

In the service opening setting step, it is possible to determine whether or not a delivery error of the subscriber network terminal has occurred by comparing the router information with the access router to which the subscriber network terminal is connected.

According to an embodiment of the present invention, a computer program stored in a medium may exist in order to execute the above-described remote opening method of a subscriber network terminal in combination with hardware.

An SDN server according to an embodiment of the present invention includes: a connection recognition unit recognizing a network connection of a subscriber network terminal through an access router; a terminal connection unit for acquiring a single link address set exclusively between the access router and the subscriber network terminal from the access router, and accessing the subscriber network terminal using the single link address; an access information search unit extracting identification information from the subscriber network terminal and searching for access information corresponding to the subscriber network terminal using the identification information; and a service opening setting unit configured to perform a setting for service opening of the subscriber network terminal using the opening information.

An SDN server according to another embodiment of the present invention includes a processor; and a memory coupled to the processor, wherein the memory includes one or more modules configured to be executed by the processor, and the one or more modules recognize network access of subscriber network terminals through an access router. do; obtaining a single link address dedicated between the access router and the subscriber network terminal from the access router, and accessing the subscriber network terminal using the single link address; extracting identification information from the subscriber network terminal, and searching for opening information corresponding to the subscriber network terminal using the identification information; It may include a command for performing settings for service opening of the subscriber network terminal using the opening information.

In addition, the solution to the above problem does not enumerate all the features of the present invention. Various features of the present invention and the advantages and effects thereof will be understood in more detail with reference to specific embodiments below.

According to the method for remotely opening a subscriber network terminal according to an embodiment of the present invention and an SDN server using the same, it is possible to automatically perform and open a service opening setting for a subscriber network terminal connected to a network for the first time. Therefore, it is possible to reduce human errors that may occur during manual work, and it is possible to save costs required for opening a service.

According to the remote opening method of a subscriber network terminal and an SDN server using the same according to an embodiment of the present invention, since the service opening is performed by automatically detecting the network connection of the subscriber network terminal, separate settings for the subscriber network device, etc. no need to add

According to the remote opening method of a subscriber network terminal and an SDN server using the same according to an embodiment of the present invention, the IPv6 address system is not applied to the entire network, and IPv6 is configured only on the last mile interface accommodating subscriber network devices can be applied. Therefore, it is possible to simply apply remote access to subscriber network terminals while maintaining consistency with the existing IPv4 network.

1 is a schematic diagram showing a remote access system of a subscriber network terminal according to an embodiment of the present invention.
2 and 3 are block diagrams showing an SDN server according to an embodiment of the present invention.
Fig. 4 is a schematic diagram showing an IPv6 link-local address according to an embodiment of the present invention.
5 and 6 are schematic diagrams illustrating IPv6 link-local address configuration between a subscriber network terminal and an access router according to an embodiment of the present invention.
Fig. 7 is a schematic diagram showing IPv6 neighbor inquiry in an access router according to an embodiment of the present invention.
8 is a flowchart illustrating a remote opening method of a subscriber network terminal according to an embodiment of the present invention.

Hereinafter, preferred embodiments will be described in detail so that those skilled in the art can easily practice the present invention with reference to the accompanying drawings. However, in describing a preferred embodiment of the present invention in detail, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. In addition, the same reference numerals are used throughout the drawings for parts having similar functions and actions.

In addition, throughout the specification, when a part is said to be 'connected' to another part, this is not only the case where it is 'directly connected', but also the case where it is 'indirectly connected' with another element in between. include In addition, 'including' a certain component means that other components may be further included, rather than excluding other components unless otherwise stated. In addition, terms such as “unit” and “module” described in the specification refer to a unit that processes at least one function or operation, and may be implemented as hardware or software or a combination of hardware and software.

1 is a schematic diagram showing a remote access system of a subscriber network terminal according to an embodiment of the present invention.

Referring to FIG. 1, a remote access system according to an embodiment of the present invention may include a subscriber network terminal 1, an access router 10, an SDN server 100, and an access information database 200.

Hereinafter, a remote opening system of a subscriber network terminal according to an embodiment of the present invention will be described with reference to FIG. 1 .

The subscriber network terminal 1 is a network device used by a user in an office or home, and can perform a function of providing wired or wireless network services to electronic devices located in the office or home. Here, the subscriber network terminal 1 may be a device such as a switch or a router, and depending on the embodiment, it may be a subscriber router for services provided by an Internet service provider (ISP). can

The access router 10 may be a network equipment of an Internet service provider that is initially connected when the subscriber network terminal 1 connects to the network. The access router 10 can detect the connection of the subscriber network terminal 1, and for the initial setting of the subscriber network terminal 1, a single link address exclusively used between the subscriber network terminal 1 can be set The single link address may be automatically set by the access router 10, and depending on an embodiment, an Internet protocol version 6 (IPv6) link-local address may be used.

Specifically, the format of the IPv6 link-local address can be set as shown in FIG. That is, the IPv6 link-local address is automatically allocated in the "FE80::/10" band, and 0 may be allocated from the upper 11 bits to the upper 64 bits. In addition, the lower 64 bits are EUI (Extended Unique Identifier), which can be formed by allocating MAC (Media Access Control) addresses of each network device. Here, when the subscriber network terminal 1 or the access router 10 is configured to use IPv6, an IPv6 link-local address may be automatically set.

Meanwhile, when the subscriber network terminal 1 is connected, the access router 10 can detect the connection of the subscriber network terminal 1 and notify the SDN server 100 of the connection of the new subscriber network terminal 1. there is. That is, as shown in FIGS. 5 and 6, when the subscriber network terminal 1 and the access router 10 are connected to each other, the interface of the subscriber network terminal 1 is changed to the "up" state, and at the same time IPv6 A link-local address of can be assigned. Here, the access router 10 can detect the connection of the subscriber network terminal 1 through the "up" of the interface of the subscriber network terminal 1.

The SDN server 100 may perform network path setting, control, and operation management of a Software Defined Network (SDN). Depending on the embodiment, it is also possible to perform service opening for the subscriber network terminal 1 newly connected to the network. The SDN server 100 can check the access of the new subscriber network terminal 1 from the access router 10, and can access the subscriber network terminal 1 via the access router 10. That is, since the IPv6 link-local address allocated to the subscriber network terminal 1 is valid only for the link with the access router 10, the SDN server 100 can access the subscriber network terminal 1 via the access router 10. can

Thereafter, the SDN server 100 may access the subscriber network terminal 1 and inquire unique identification information capable of distinguishing the corresponding subscriber network terminal 1. Here, the identification information may be a model name of the subscriber network terminal 1, a serial number, a barcode, a MAC address, and the like. The SDN server 100 may search the access information database 200 for access information corresponding to the subscriber network terminal 1 based on the extracted identification information. Thereafter, the SDN server 100 may authenticate the subscriber network device 100 using the searched access information and remotely and automatically perform settings for service access.

Meanwhile, the access information database 200 may be a database in which access information necessary for opening the subscriber network terminal 1 is stored. The user can store necessary opening information in the opening information database 200 in advance before connecting and opening the subscriber network terminal 1 to the network. Depending on the embodiment, the user may purchase the subscriber network terminal 1 and input the opening information on the subscriber network terminal 1 purchased by the user to a Business Support System (BSS) or a portal site. . At this time, the BSS or portal may store the received opening information in the opening information database 200 .

Here, in the system information, information capable of specifying the subscriber network terminal 1, such as the model name, serial number, barcode, and media access control (MAC) address of the subscriber network terminal 1, for each user, may be stored. User information such as user name, user address, and contact information may also be included in the opening information and stored together. In addition, depending on the embodiment, it is also possible to further include and store router information such as the serial number and MAC address of the access router 10 provided at a location corresponding to the user address. The access routers 10 may be evenly distributed for each area, and each access router 10 may be set to cover a certain area. Accordingly, the access router 10 covering the user address can be extracted, and router information about the extracted access router 10 can be included in the user's access information and stored.

2 is a block diagram showing an SDN server according to an embodiment of the present invention.

Referring to FIG. 2, the SDN server 100 according to an embodiment of the present invention includes a connection recognition unit 110, a terminal connection unit 120, an opening information search unit 130, and a service opening setting unit 140. can do.

Hereinafter, an SDN server according to an embodiment of the present invention will be described with reference to FIG. 2 .

The connection recognition unit 110 can recognize the network connection of the subscriber network terminal 1 through the access router 10 . When a user connects the subscriber network terminal 1 to a network, such as by connecting a cable, the access router 10 can recognize that the link to which the subscriber network terminal 1 is connected is changed to an "up" state.

Specifically, as shown in FIG. 6, if the subscriber network terminal 1 indicates "gigabitEthernet5/2 is up", the access router 10 may indicate "FastEthernet 2/28 is up" correspondingly. . In this case, the access router 10 can detect the connection of the subscriber network terminal 1 by checking this, and can transmit it to the connection recognition unit 110 by utilizing SNMP (Simple Network Management Protocol) Trap or Syslog. . That is, the connection recognition unit 110 may receive a simple network management protocol (SNMP) trap or syslog from the access router 10, and may recognize the network connection of the subscriber network terminal 1 based on this.

The terminal connection unit 120 may acquire a single link address set exclusively between the access router 10 and the subscriber network terminal 1 from the access router 10, and use the obtained single link address to subscriber network terminals ( 1) can be accessed.

Specifically, the terminal connection unit 120 can obtain a single link address of the subscriber network terminal 1 connected to the access router 10 by inquiring an IPv6 neighbor in the access router 10 . That is, as shown in FIG. 7, the access router 10 can search for IPv6 neighbors through "ROUTER#show ipv6 neighbors", and through this, the IPv6 neighbor of the subscriber network terminal 1 connected to the access router 10 A link-local address of "FE80::211:BCFF:FE4B:C400" can be obtained.

However, since the IPv6 link-local address is valid only between the subscriber network terminal 1 and the access router 10, the SDN server 100 can directly access the subscriber network terminal 1 using the acquired IPv6 link-local address. does not exist. Instead, the terminal connection unit 120 can access the subscriber network terminal 1 via the access router 10 (Relay). Specifically, the access router 10 may relay between the SDN server 100 and the subscriber network terminal 1 by performing a proxy function. Depending on the embodiment, the SDN server 100 may access the access router 10 using an IPv6 address or an IPv4 address, and the access router 10 relays using an access protocol such as Telnet or Secure Shell (SSH). can do. In this case, the access router 10 may communicate with the subscriber network terminal 1 using an IPv6 link-local address, and may communicate with the SDN server 100 using an IPv6 address or an IPv4 address.

The access information search unit 130 may extract identification information from the subscriber network terminal 1 and search access information corresponding to the subscriber network terminal 1 using the identification information. Here, the opening information corresponds to information necessary to open the service by connecting the subscriber network terminal 1 to the network. The user may store access information in the access information database 200 before connecting the subscriber network terminal 1 to the network. The access information may include information capable of specifying the subscriber network terminal 1, such as the model name, serial number, barcode, and MAC (Media Access Control) address of the subscriber network terminal 1. Depending on the embodiment, user information such as a user name and user address, and router information such as a serial number and MAC address of an access router corresponding to the user address may be further included.

The service opening setting unit 140 may perform settings for service opening of the subscriber network terminal 1 using the opening information. That is, the service opening setting unit 140 can authenticate the subscriber network device 100 using the searched opening information and remotely and automatically perform settings for service opening.

Additionally, depending on the embodiment, the service opening setting unit 140 may check a delivery error of the corresponding subscriber network terminal 1 during the service opening process. That is, the service opening setting unit 140 compares the access router 10 to which the subscriber network terminal 1 is currently connected with the access router set in the router information by using the router information included in the opening information to confirm whether they match. there is. If they do not match, it can be considered that the subscriber network terminal 1 was delivered by mistake and connected to an access router located in a different area. Accordingly, the service opening setting unit 140 may stop the service opening and send an error message to the subscriber network terminal 1 and the like to inform the user that the access router has been delivered by mistake.

On the other hand, as shown in FIG. 3, the server 100 according to an embodiment of the present invention may include a physical configuration such as a processor 10 and a memory 40, and in the memory 40 One or more modules configured to be executed by the processor 10 may be included. Specifically, one or more modules may include a connection recognition module, a terminal connection module, an opening information search module, a service opening setting module, and the like.

The processor 10 may execute various software programs and instruction sets stored in the memory 40 to perform various functions and process data. The peripheral interface unit 30 may connect an input/output peripheral device of the computer device to the processor 10 and the memory 40, and the memory controller 20 is a component of the processor 10 or the computer device memory 40 In the case of accessing , it can perform a function to control memory access. Depending on embodiments, the processor 10, the memory controller 20, and the peripheral interface unit 30 may be implemented on a single chip or may be implemented as separate chips.

The memory 40 may include a high-speed random access memory, one or more magnetic disk storage devices, non-volatile memory such as a flash memory device, and the like. In addition, the memory 40 may further include a storage device located away from the processor 10 or a network attached storage device accessed through a communication network such as the Internet.

As shown in FIG. 3, the server 100 according to an embodiment of the present invention includes an operating system in the memory 40, a connection recognition module corresponding to an application program, a terminal connection module, an opening information search module, and a service An opening setting module and the like may be included. Here, each module is a set of instructions for performing the above-described functions, and may be stored in the memory 40 .

Accordingly, in the server 100 according to an embodiment of the present invention, the processor 10 may access the memory 40 and execute instructions corresponding to each module. However, since the connection recognition module, terminal connection module, opening information search module, and service opening setting module correspond to the above-described connection recognition unit, terminal connection unit, opening information retrieval unit, and service opening setting unit, detailed descriptions are omitted here.

8 is a flowchart illustrating a remote opening method of a subscriber network terminal according to an embodiment of the present invention.

Referring to FIG. 8, the remote opening method of a subscriber network terminal according to an embodiment of the present invention includes opening information DB creation step (S10), connection recognition step (S20), terminal connection step (S30), opening information search step (S40). ) and a service opening setting step (S50).

Referring to FIG. 8, a remote opening method of a subscriber network terminal according to an embodiment of the present invention will be described.

In the opening information DB creation step (S10), opening information on the subscriber network terminal may be received from the user and stored in the opening information database. That is, prior to accessing the subscriber network terminal to the network, opening information necessary for service opening may be stored in advance. Here, the opening information may include a model name, a serial number, a barcode, and a Media Access Control (MAC) address of the subscriber network terminal. Depending on the embodiment, user information such as a user name and user address, and router information including a serial number and MAC address of an access router corresponding to the user address may be further included and stored.

In the connection recognition step (S20), the network connection of the subscriber network terminal can be recognized through the access router. When the user connects to the network, such as by connecting a cable to the subscriber network terminal, the access router can recognize that the link to which the subscriber network terminal is connected is changed to an "up" state. In this case, the connection of the access router subscriber network terminal It can be detected and forwarded to the SDN server using SNMP (Simple Network Management Protocol) Trap or Syslog. That is, the SDN server can receive SNMP (Simple Network Management Protocol) Trap or syslog from the access router, and based on this, it can recognize network access of subscriber network terminals.

In the terminal connection step (S30), a single link address set exclusively between the access router and the subscriber network terminal can be obtained from the access router, and the subscriber network terminal 1 can be accessed using the obtained single link address.

Specifically, the SDN server can search for IPv6 neighbors in the access router, and through this, it can obtain the single link address of the subscriber network terminal accessing the access router. However, the IPv6 link-local address corresponds to an address valid only between the subscriber network terminal and the access router. Therefore, in the terminal access step (S30), it is possible to access the subscriber network terminal via the access router (Relay). That is, the access router may perform a proxy function and relay between the SDN server and subscriber network terminals. In this case, IPv6 can be applied only to the interface constituting the connection between the access router and the subscriber network terminal, and IPv4 or the like can be used in the remaining sections.

In the access information search step (S40), identification information is extracted from the subscriber network terminal, and access information corresponding to the subscriber network terminal may be searched using the identification information. That is, the SDN server can specify a newly accessed subscriber network terminal by using the identification information, and can search for opening information corresponding to a specific subscriber network terminal and use it when opening a service thereafter.

In the service opening setting step (S50), setting for service opening of the subscriber network terminal may be performed using the opening information. That is, the SDN server can authenticate the subscriber network device using the searched access information and remotely and automatically perform settings for service access. Meanwhile, depending on the embodiment, it is also possible to check a delivery error of the corresponding subscriber network terminal when the service is opened. That is, the SDN server may compare the access router to which the subscriber network terminal is currently connected with the access router configured in the router information by using the router information included in the access information to determine whether they match. If they do not match, it can be considered that the subscriber network terminal was delivered incorrectly and accessed an access router located in a different area. In this case, it is possible to stop the service opening and send an error message to the subscriber network terminal to inform the user that the access router has been delivered by mistake.

The above-described present invention can be implemented as computer readable code on a medium on which a program is recorded. The computer-readable medium may continuously store programs executable by the computer or temporarily store them for execution or download. In addition, the medium may be various recording means or storage means in the form of a single or combined hardware, but is not limited to a medium directly connected to a certain computer system, and may be distributed on a network. Examples of the medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical recording media such as CD-ROM and DVD, magneto-optical media such as floptical disks, and ROM, RAM, flash memory, etc. configured to store program instructions. In addition, examples of other media include recording media or storage media managed by an app store that distributes applications, a site that supplies or distributes various other software, and a server. Accordingly, the above detailed description should not be construed as limiting in all respects and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

The present invention is not limited by the foregoing embodiments and accompanying drawings. It will be clear to those skilled in the art that the components according to the present invention can be substituted, modified, and changed without departing from the technical spirit of the present invention.

1: subscriber network terminal 10: access router
100: SDN server 110: connection recognition unit
120: terminal connection unit 130: opening information search unit
140: service opening setting unit 200: opening information DB
S10: Opening information DB creation step S20: Connection recognition step
S20: terminal access step S40: opening information search step
S50: Service opening setting step

Claims (15)

In the remote opening method of a subscriber network terminal by a Software Defined Network (SDN) server,
an access recognition step of recognizing a network connection of a subscriber network terminal through an access router;
a terminal access step of acquiring a single link address set exclusively between the access router and the subscriber network terminal from the access router, and accessing the subscriber network terminal using the single link address;
an access information search step of extracting identification information from the subscriber network terminal and searching for access information corresponding to the subscriber network terminal using the identification information; and
A service opening setting step of performing a setting for service opening of the subscriber network terminal using the opening information,
The single link address is
An Internet protocol version 6 (IPv6) link-local address;
The terminal connection step is
wherein the SDN server accesses the subscriber network terminal via the access router.
The method of claim 1, wherein the access router
The remote opening method of a subscriber network terminal, characterized in that the network device connected to the subscriber network terminal first when the subscriber network terminal accesses the network.
The method of claim 1, wherein the access router
and setting the single link address exclusively used between the subscriber network terminal and the subscriber network terminal when the access of the subscriber network terminal is detected.
delete The method of claim 1, wherein the connection recognition step
The remote opening method of the subscriber network terminal, characterized in that by receiving a simple network management protocol (SNMP) trap or syslog from the access router to recognize the network connection of the subscriber network terminal.
The method of claim 1, wherein the step of connecting the terminal
The remote opening method of a subscriber network terminal, characterized in that the SDN server searches for IPv6 neighbors in the access router and obtains the single link address of the subscriber network terminal accessing the access router.
The method of claim 1, wherein the step of connecting the terminal
The remote access method of a subscriber network terminal, characterized in that the access router performs a proxy function and relays between the SDN server and the subscriber network terminal.
The method of claim 7, wherein the terminal access step
wherein the access router relays communication between the SDN server accessed using an IPv6 address or an IPv4 address and the subscriber network terminal accessed using an IPv6 link-local address. .
According to claim 1,
The subscriber network terminal further comprising a step of generating an access information DB (database) for receiving access information on the subscriber network terminal from a user and storing it in an access information database before connecting the subscriber network terminal to the network. remote opening method of
The method of claim 9, wherein the opening information
The remote opening method of the subscriber network terminal, characterized in that it includes at least one of the model name, serial number, barcode and MAC (Media Access Controll) address of the subscriber network terminal.
The method of claim 8, wherein the opening information
The subscriber network terminal of claim 1 , further comprising user information including at least one of a user name and user address, and router information including at least one of a serial number and a MAC address of an access router corresponding to the user address. remote opening method.
The method of claim 11, wherein the service opening setting step
The remote opening method of a subscriber network terminal, characterized in that by comparing the router information with an access router to which the subscriber network terminal is connected, it is determined whether there is a delivery error of the subscriber network terminal.
A computer program stored in a medium to execute the remote opening method of a subscriber network terminal according to any one of claims 1 to 3 and 5 to 12 in combination with hardware.
an access recognition unit recognizing a network connection of a subscriber network terminal through an access router;
a terminal connection unit for acquiring a single link address set exclusively between the access router and the subscriber network terminal from the access router, and accessing the subscriber network terminal using the single link address;
an access information search unit extracting identification information from the subscriber network terminal and searching for access information corresponding to the subscriber network terminal using the identification information; and
A service opening setting unit configured to perform a setting for service opening of the subscriber network terminal using the opening information,
The single link address is
An Internet protocol version 6 (IPv6) link-local address;
The terminal connection part
A Software Defined Network (SDN) server that accesses the subscriber network terminal via the access router.
processor; and
A memory coupled to the processor,
the memory includes one or more modules configured to be executed by the processor;
The one or more modules,
Recognize network access of subscriber network terminals through the access router;
obtaining a single link address dedicated between the access router and the subscriber network terminal from the access router, and accessing the subscriber network terminal using the single link address;
extracting identification information from the subscriber network terminal, and searching for opening information corresponding to the subscriber network terminal using the identification information; and
By using the opening information, setting for service opening of the subscriber network terminal is performed,
The single link address is
An Internet protocol version 6 (IPv6) link-local address;
Access to the subscriber network terminal
An SDN (Software Defined Network) server including a command for allowing an SDN server to access the subscriber network terminal via the access router.

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