KR100796893B1 - Home Network Site and Method for a connecting remote terminal to home network device using the same - Google Patents

Abstract

The home network site that monitors and updates the home network address periodically to quickly access the home network so that users can remotely control the home devices such as the home network controller through remote terminals. There is this.

To this end, in the present invention, the home network site monitors and receives the home IP address of the corresponding home network controller, and compares the received home IP address with the home IP address of the previously stored home network controller. After updating the home IP address of the corresponding home network controller, the user can control the home network devices through the home network site at a remote location by connecting the home network controller and the remote terminal using the updated home IP address. To help.

Remote, terminal, network, IP, address, site

Description

Home network site and method for a connecting remote terminal to home network device using the same}

1 is a diagram illustrating a general home network,

2 is a view illustrating an operation process between a network controller and a home network device in a general home network;

3 is a diagram illustrating a home network to which the present invention is applied.

4 is a diagram showing a home network site of the present invention;

5 and 6 are diagrams illustrating a remote access method of a home network device using the home network site of the present invention.

Description of the main parts of the drawing

20: home network site 21: interface module

22: home address management module 23: connection module

24: user authentication module 25: main control module

The present invention provides a home network site and a home using the home network site, which allows a user to quickly access a home network and control the home network devices even at a remote location by using a home network site that periodically monitors and updates the home network address information. A remote access method of a network device.

Recently, with the development of information technology, various home network devices such as mobile phones, digital TVs, PDAs, and game consoles are connected to a single network. As the network environment spreads into homes, home network technology is in the spotlight.

The above-mentioned home network technology refers to an environment in which home network devices in a home are connected to one network so that they can share each other's digital data and use broadband communication. The wired and wireless network equipment itself means broadly, and the home network broadly encompasses not only the equipment but also middleware or services for integration / control / operation between home network devices.

Generally, as shown in FIG. 1, home network devices (UPnP refrigerators, UPnP TVs) and network controllers (herein, "PCs") of the home network are connected in a single topology. In some cases, these home network devices are connected to an external network, which is an Internet service provider, through a home gateway to provide various Internet services through an Internet service provider (ISP).

The operation process in the home network configured as described above, in particular, the operation process between the network controller and the home network device will be briefly described with reference to FIG.                         

First, home network devices and network controller devices connected to the corresponding home network are assigned a home IP address from a Dynamic Host Configuration Protocol (DHCP) server.

Then, using the home IP address assigned by the home network devices, if the device information such as UUID (Unique Universal Identifier) data and the device information such as product name, model name or serial number is multicasted to the network controller, The network controller discovers and recognizes home network devices connected to it through multicasted information, and then informs each home network device of its function description information, for example, the current status of each home network device itself. Request information or control information.

According to this request, each home network device transmits its function description information to the network controller, and the network controller controls the operation of the corresponding home network device by using the transmitted function description information. According to the current state of each home network device, that is, when an event occurs, each home network device transmits the changed state information to the network controller so that the network controller can respond according to their event status.

Finally, the network controller displays the function description information or the event information of each home network device to the user through a corresponding UI (User Interface) device. This display operation is provided as an optional function in the home network.

As described above, the home network provides a service that allows a user who uses a controller in the home network to control the home network devices according to the change in the status of various home network devices. .

However, these services are generally provided only in the home network, and even if the devices in the home network can be controlled through the Internet, the location of the devices in the home network, which is frequently changed by the remote user, There is a problem that it is not easy to know the home IP address, it is not easy to control the home network devices to access the home network from a remote location.

Accordingly, the present invention is to solve the above problems, so that it is possible to easily access the home network from a remote location and control the home network devices using a home network site that periodically monitors and updates the home IP address of the home network. An object of the present invention is to provide a home network site and a remote access method of a home network device using the same.

The home network site of the present invention for achieving the above object, by monitoring and receiving the home IP address of the home network controller, and compares the received home IP address and the corresponding IP address stored in accordance with the comparison result Update the home IP address of the home network controller.

In another method of accessing a home network device using a home network site according to another embodiment of the present invention, the home network site monitors and receives a home IP address, and receives the received home IP address and the home IP of the corresponding home network controller. Compare the address and connect the home network controller and the remote terminal using the home IP address that updated the home IP address of the corresponding home network controller according to the comparison result. Device control is possible, and in particular, the user authentication process allows only users with legitimate usage rights to control the home network devices through the home network site.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

First, the configuration and operation of the home network site will be described with reference to FIGS. 3 and 4.

First, as shown in FIG. 3, a connection system to which the present invention is applied includes a home network connected to a home network by a home network controller and a plurality of home network devices controlled by the home network controller. 10) to access the home network site 20 connected to the home network controller and the Internet, and the home network site 20 to receive and control information of home network devices stored in the home network controller 20. It consists of a remote terminal 30.

As shown in FIG. 4, the home network site 20 includes an interface module 21 for monitoring and receiving a home IP address of a corresponding home network controller, and the received home IP address and the previously stored home IP address. A home address management module 22 which compares the home IP addresses of the home network controllers and updates the home IP addresses of the home network controllers according to the comparison result, and the remote terminal and the home using the updated home IP address. A connection module 23 for connecting a network controller, a user authentication module 24 for performing a user authentication operation on the remote terminal to connect only a user with a right authority, and a control unit for each module. It consists of a main control module 25.

The home network site 20 is configured so that the interface module 21 embedded therein periodically monitors and receives the home IP address multicasted by the controller of the home network 10. In this case, the home IP address The source address recorded in this is the corresponding home network address assigned from the DHCP server, and the destination address is the IP address of the home network site.

On the other hand, when the interface module 21 receives the home IP address of the home network 10 from the corresponding network controller, the main control module 25 parses the received home IP address into a source address and a destination address to obtain a home address. Send to management module 22.

Then, the home address management module 22 is the home IP address of the existing home network controller, which is already embedded in a database (not shown) under the control of the main control module 25, that is, the existing home network in the DHCP server. Compares the IP address assigned to the IP address of the currently received home network (here "source address"), the database being a separate storage device controlled by a database management module or the home address management module itself. Can be laid in.

On the other hand, as a result of the comparison, if the IP address of the existing home network and the IP address of the home network currently received are the same, the home address management module 22 is the IP of the existing home network embedded in the database. If the two home IP addresses are different from each other, and the two home IP addresses are different from each other, the existing home IP address is updated with the current home IP address and stored in the corresponding database.

Then, in this state, when the remote terminal 30 transmits a connection request message with the corresponding home network 10 through the Internet, the interface module 21 of the home network site 20 receives the transmitted request message. This is transmitted to the main control module 25.

Then, the main control module 25 parses the transmitted request message and transmits it to the user authentication module 24. The user authentication module 24 accesses the home network by a user requesting an access through the parsing result. Determine if the user has the right authority to do so.

If it is determined that the connection requester is not a legitimate user, an error message for the connection request is returned to the main control module 25, and the interface module 21 returns the returned error message to the main control module 25. It transmits to remote terminal through internet under control.

On the other hand, if the user making the connection request is a legitimate user, the result is returned to the main control module 25, and according to the returned result, the connection module 23 controls the remote location under the control of the main control module 25. Allow the terminal 10 to connect with the corresponding home network 10.

If the connection is allowed, the corresponding access message is transmitted to the corresponding home network 10 through the interface module 21. At this time, the main control module 25 causes the home address management module 22 to periodically The current home network address which is updated and set is read, and the read home network address is used as the destination address and its own address is transmitted to the home network 10 through the interface module 21.

The access message transmitted to the home network 10 is received and parsed by the controller of the corresponding home network, and information of the home network devices already stored in its memory, etc. using the parsing result, for example, home Event information indicating the current status of the network devices or control information for controlling the home network devices are transmitted through the remote terminal. In this case, the information of the home network controller includes information of the home network controller itself. Also included.

The transmitted event information or control information is displayed to a user located at a remote location through a UI (User Interface) device of the remote terminal 10, and the user selects the information displayed on the UI to access the home through the corresponding controller in the home network. The same method as the network device can be controlled to remotely control the corresponding home network devices.

Next, a remote access method of a home network device using another home network site of the present invention will be described with reference to FIGS. 5 and 6.

As shown in FIG. 5, the remote access method of the present invention includes a fifty step S50 in which a home network site monitors the presence or absence of information on a home IP address multicasted by a corresponding home network controller, and a monitoring result. In step 51 of determining whether there is information about the multicasted home IP address using the multicasting home IP address, and the result of the determination, the multicasted home IP address and the corresponding existing IP address are set. A 52nd step (S52) of comparing the home IP addresses of the home network controllers; a 53rd step (S53) of determining whether two home IP addresses are the same by using the comparison result; Step 54 of maintaining the existing home IP address as it is, and if the determination result is the same, the existing home IP address that is already set is updated to the multicasted home IP address. Is performed in the 55th step S55.

In this remote access method, the home network site periodically monitors (S50) and receives information about the home IP address multicasted from the home network controller (S51), and at this time, the source address recorded in the home IP address. Is the IP address of the home network assigned from the DHCP server, and the destination address is the IP address assigned to the home network site.

On the other hand, when the home network site receives the information about the home IP address of the home network controller (S51), it parses the received information and sets the " home IP address of the existing home network controller " The server compares the floating IP address assigned to the existing home network with the floating IP address of the currently received home network controller (S52). The IP address of the home network controller may be a fixed IP address.

Next, using the comparison result, it is determined whether the multicasted home IP address and the corresponding home IP address that are already set are the same (S53).

As a result of the determination (S53), if the two home IP addresses are the same, the IP address of the existing home network which is already set is maintained as is (S54), and if the two home IP addresses are different, the corresponding The IP address of the home network is updated and stored with the current home IP address received (S55).

In this state, as shown in FIG. 6, when the user requests a connection with the corresponding home network controller using a remote terminal, the home network site connects the remote terminal with the corresponding home network controller to allow the user to connect. This allows the home network devices to be controlled even from a remote location. FIG. 6 illustrates these steps.

As shown in FIG. 6, the home network controller 60 receives a user's request for access to the corresponding home network controller through a remote terminal (S60), and the user who has the right to request the access request. And the sixty sixth step (S61) of determining the authorization; and the sixty sixth step (S62) of connecting the remote terminal to the corresponding home network control device by using the home IP address of the corresponding home network which is set and known if the user is a legitimate user. Step 63 of receiving information of the corresponding home network devices from the connected home network controller and transmitting the information to the remote terminal; and step 64 of displaying the transmitted information to the user through the UI of the remote terminal. (S64) and the 65th step (S65) for controlling the devices of the home network by using the displayed information.

In the remote access method, the remote terminal first transmits an access request message with the corresponding home network through the Internet (S60), and the home network site receives and parses the transmitted request message.

Then, the parsing result is used to determine whether the requesting user is a user who has the right to access the home network (S61). If the requesting user is not a legitimate user, the access request is determined. The home network site permits the connection between the remote terminal and the home network controller according to the result of the error message returned to the remote terminal.

If the access is allowed, the corresponding access message is transmitted to the corresponding home network (S62). At this time, the home network site periodically updates and reads the current corresponding home network address, and reads the corresponding home network. The address is used as the destination address and its address is sent as the source address to the home network.

The access message transmitted to the corresponding home network is received and parsed by the controller of the corresponding home network, and the information of the home network devices already stored in its memory using the parsing result, for example, the current state of the home network devices. Event information indicating the control information and control information for controlling the home network devices, etc. are transmitted through the remote terminal (S63). At this time, the information of the home network devices also includes the information of the controller of the home network. Included.

The transmitted event information or control information is displayed to a user located at a remote location through a UI (User Interface) of the remote terminal, and the user selects the information displayed on the UI to control the home network devices that can be performed only at the home network. In the same way, it is possible to remotely control the home network devices.

As described in detail above, the home network site and the remote access method of the home network device using the same according to the present invention periodically monitor and update the IP address of the corresponding home network using the home network, especially the floating home IP address, and then It is easy to access the home network and control the home network devices.

Although the invention has been described in detail only with respect to the specific examples described, it will be apparent to those skilled in the art that various modifications and variations are possible within the spirit of the invention, and such modifications and variations belong to the appended claims.

Claims (6)

An interface module for monitoring and receiving a home IP address of a home network controller; A home address management module for updating the home IP address of the home network controller by comparing the received home IP address with a previously set home IP address; A connection module for connecting a remote terminal to the home network controller using the updated home IP address; And a main control module for controlling the interface module, the home address management module, and the access module. The method of claim 1, And a user authentication module for performing a user authentication operation on the remote terminal under control of the main control module. Monitoring and receiving a home IP address of the home network controller by a home network site; Comparing the received home IP address with a previously set home IP address of the home network controller; Updating a home IP address of the home network controller according to the comparison result; Connecting the home network controller to a remote terminal using the updated home IP address. The method of claim 3, wherein the connecting step; The home network site receiving a connection request from the remote terminal; Performing user authentication according to the received access request; Connecting the remote terminal and the home network controller according to a result of the authentication, wherein the remote access method of the home network device using the home network site. 4. The method of claim 3, further comprising: after the connecting step; And transmitting the information of the home network devices stored in the home network controller to the remote terminal. The method of claim 5, wherein the information of the home network devices; And event information indicating the current state of the home network devices and control information for controlling the home network devices.

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