KR20020083819A - Device and method for processing internet service and local service - Google Patents

Abstract

PURPOSE: An apparatus for processing an Internet service and a local service and a method therefor are provided to simultaneously offer the Internet service and the local service such as a moving picture service, a video service, and a game service to a user by embodying an ADSL(Asymmetric Digital Subscriber Line) modem of an ADSL network in which it is possible to simultaneously processing the Internet service and the local service. CONSTITUTION: An Ethernet interface unit(110) receives ADSL data from a subscriber PC and outputs the received ADSL data. The Ethernet interface unit(110) receives ADSL data and transmits the received ADSL data to the subscriber PC. An ADSL interface unit(120) receives ADSL data from an Internet network and a local server and outputs the received ADSL data. The ADSL interface unit(120) receives ADSL data and transmits the received ADSL data to the Internet network or the local server. A CPU(130) receives the ADSL data from the Ethernet interface unit(110) and routes the received ADSL data to the Internet network or the local server through the ADSL interface unit(120) according to a destination address of the ADSL data. The CPU(130) receives the ADSL data from the ADSL interface unit(120) and transmits the received ADSL data to the subscriber PC through the Ethernet interface unit(110).

Description

Internet service and local service processing device and method thereof {DEVICE AND METHOD FOR PROCESSING INTERNET SERVICE AND LOCAL SERVICE}

The present invention relates to an Internet service and a local service processing apparatus and a method thereof, and more particularly, to implement an ADSL modem of an Asymmetric Digital Subscriber Line (ADSL) network. The present invention relates to an internet service and a local service processing apparatus and a method for enabling simultaneous processing of an internet service and a local service.

Conventionally, the domestic ADSL network uses only one virtual channel for Internet service, and it is sufficient to support only one protocol accordingly. Therefore, the conventional ADSL modem was also configured to support only one such virtual channel.

Therefore, the ADSL network equipped with the conventional ADSL modem could not only support the Internet service to the user, but also could not support local services such as a video service, a video service, and a game service.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to implement an Internet service and a local service processing device capable of simultaneously processing an Internet service and a local service in implementing an ADSL modem of an ADSL network; To provide that method.

In order to achieve the above object, the present invention provides an Internet service and a local service processing apparatus, which is an apparatus for processing an Internet service and a local service between an Internet network and a local server and a subscriber PC.

An Ethernet interface unit for outputting ADSL data from the subscriber PC and transmitting the ADSL data to the subscriber PC when the ADSL data is input;

An ADSL interface unit for outputting ADSL data from an Internet network or a local server, and transmitting the ADSL data to the Internet network or a local server if ADSL data is received; And

When the ADSL data is input from the Ethernet interface unit, the ADSL data is routed to the Internet network or a local server according to the destination address of the data, and when the ADSL data is input from the ADSL interface unit, the subscriber PC is connected to the subscriber PC through the Ethernet interface unit. Characterized in consisting of a modem having a CPU to transmit to.

The present invention also provides a method for processing an Internet service and a local service in a method of processing an Internet service and a local service between an Internet network and a local server and a subscriber PC.

An eleventh step of determining, when the MAC bridging module receives the Ethernet frame from the Ethernet interface module, whether the destination address of the Ethernet frame is the same as the MAC address of the modem;

A twelfth step of the MAC bridging module sending the Ethernet frame to the IP routing module if the destination address of the Ethernet frame is the same as the MAC address of the modem in the eleventh step;

A thirteenth step, wherein the IP routing module determines whether the destination address of the IP packet of the Ethernet frame is the same as the modem IP address; And

In the thirteenth step, if the destination address of the IP packet of the Ethernet frame is the same as the modem IP address, the fourteenth step of the IP routing module transmits the Ethernet frame to the application processor of the modem to process the modem itself. It features.

On the other hand, the present invention Internet service and local service processing method, in the method for processing the Internet service and local service between the Internet network and the local server and subscriber PC,

A twenty-first step of determining, on which virtual channel the ADSL data module is received via the ADSL interface module; And

When the ADSL data is received through the first predetermined virtual channel in the twenty-first step, the ADSL interface module includes a twenty-second step of transmitting the ADSL data to the MAC bridging module through the bridging module.

1 is a network diagram showing the configuration of an ADSL network to which the present invention is applied;

2 is a functional block diagram illustrating a configuration of an internet service and a local service processing apparatus according to an embodiment of the present invention;

3 is a configuration diagram of protocol software of the Internet service and local service processing apparatus according to FIG. 2;

4 is an operation flowchart illustrating a method when data is input from an Ethernet interface in an internet service and a local service processing method according to an embodiment of the present invention;

FIG. 5 is an operation flowchart illustrating a method when data is input from an ADSL interface among Internet service and local service processing methods according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: modem 110: Ethernet interface

120: ADSL interface unit 130: CPU

101: first layer 101a: Ethernet interface module

101b: ADSL interface module 102: second layer

102a: Bridging Module 102b: MAC Bridging Module

103: third layer 103a: IP routing module

103b: IP module

Hereinafter, an internet service and a local service processing apparatus and a method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a diagram illustrating a configuration of an ADSL network to which the present invention is applied. The modem 100, which is an Internet service and local service processing apparatus according to an embodiment of the present invention, is illustrated in FIG. And a digital subscriber loop access and multiplexer (DSLAM) 2 and a personal computer 1 connected to the local server 3 to handle Internet and local services. Modem (100) having an Ethernet interface 110, an ADSL interface 120, and a CPU (Central Process Unit; " CPU ") 130 as shown in FIG. It consists of.

The Ethernet interface 110 mounted in the modem 100 outputs the ADSL data from the subscriber PC 1 to the CPU 130, and receives the ADSL data from the CPU 130. It serves to transmit to the subscriber PC (1).

In addition, the ADSL interface unit 120 mounted in the modem 100 receives the ADSL data transmitted from the Internet network 4 or the local server 3 through the DSLAM 2 and sends it to the CPU 130. On the other hand, when the ADSL data is received from the CPU 130 and transmits it to the Internet network 4 or the local server 3 through the DSLAM (2).

In addition, when the CPU 130 mounted in the modem 100 receives ADSL data from the Ethernet interface 110, the CPU 130 controls the processor 130 to directly process the application processor according to a destination address of the data, or otherwise the ADSL data. While routing to the Internet network 4 or the local server 3 through the interface unit 120, and receives ADSL data from the ADSL interface unit 120, the subscriber PC (1) through the Ethernet interface unit 110 ) Is used to send.

Meanwhile, the protocol software configuration for simultaneously implementing the Internet service processing function and the local service processing function of the modem 100 performs an interface function between the modem 100 and the user PC 1 as shown in FIG. 3. Using the Ethernet interface module 101a and the ADSL interface module 101b for performing the interface function between the modem 100, the Internet network 4, and the local server 3 as the first layer 101, When an Ethernet frame different from the MAC address of the modem 100 is received from a medium access protocol (MAC) bridging module 102b, the data is transmitted through a first predetermined virtual channel connected to the corresponding Internet network 4. On the other hand, the bridging module 102a, which receives the frame through the first predetermined virtual channel and transmits it to the MAC bridging module 102b, and the one entered through one Ethernet interface. The frame that is identical to the MAC address of the modem 100 among the net frames is forwarded to a higher application processor, while a frame different from the MAC address of the modem 100 transmits the MAC bridging module 102b to the bridging module 102a. Used as a layer 102, and receives an Ethernet frame identical to the MAC address of the modem 100 from the MAC bridging module 102b and routes it to the IP (Internet Protocol) module 103b. The second predetermined virtual channel VC connected to the local server 3 when the IP routing module 103a for routing is received and the Ethernet frame identical to the MAC address of the modem 100 is received from the IP routing module 103a. : IP module 103b transmitting through a virtual channel is used as the third layer 103.

At this time, the bridging module 102a of the second layer 102 uses a 'Request For Command (RFC) 1483' standard of a bridge type for an internet service processing function and simultaneously uses a first predetermined protocol (PPPOE: PPP Over). And the IP module 103b of the third layer 103 uses a 'RFC 1577' standard in the form of a router for a local service processing function and at the same time a second predetermined protocol (IPOA: IP Over). Is implemented using ATM).

Next, a method in which data is input from an Ethernet interface among the Internet service and local service processing methods according to an embodiment of the present invention using the software configuration of the modem having the above configuration will be described with reference to FIG. 4. do.

First, when the MAC bridging module 102b receives an Ethernet frame from the Ethernet interface module 101a, it determines whether the destination address of the Ethernet frame is the same as the MAC address of the modem 100 (S11).

At this time, if the destination address of the Ethernet frame is the same as the MAC address of the modem 100 in the eleventh step S11 (YES), the MAC bridging module 102b transfers the Ethernet frame to the IP routing module 103a. (S12).

Then, the IP routing module 103a determines whether the destination address of the IP packet of the Ethernet frame is the same as the modem IP address (S13).

At this time, if the destination address of the IP packet of the Ethernet frame is the same as the modem IP address (YES) in the thirteenth step (S13), the IP routing module 103a is transferred to the application processor of the modem 100 (not shown). The Ethernet frame is transmitted to allow the modem 100 to process itself (S14).

On the other hand, if the destination address of the Ethernet frame is different from the MAC address of the modem 100 in the eleventh step S11 (NO), the MAC bridging module 102b transfers the Ethernet frame to the bridging module 102a. The output is transmitted to the corresponding Internet network 4 through the first predetermined virtual channel (S15). Here, the above-mentioned first predetermined virtual channel is set to the first predetermined protocol (PPPOE).

On the other hand, if the destination address of the IP packet of the Ethernet frame is different from the modem IP address (NO) in the thirteenth step (S13), the IP routing module 103a is routed to the IP module 103b so that the second predetermined It transmits to the local server 3 through the virtual channel (S16). Here, the above-mentioned second predetermined virtual channel is set to the second predetermined protocol (IPOA).

Meanwhile, hereinafter, a method in which data is input from an ADSL interface in the Internet service and local service processing method according to an embodiment of the present invention using the software configuration of the modem shown in FIG. 3 will be described with reference to FIG. 5. Shall be.

First, upon receiving the ADSL data, the ADSL interface module 101b determines which virtual channel the ADSL data is received through (S21).

At this time, if the ADSL data is received through the first predetermined virtual channel in the twenty-first step S21, the ADSL interface module 101b sends the ADSL data through the bridging module 102a to the MAC bridging module 102b. ) Is transmitted to the subscriber PC (S22).

On the other hand, when the ADSL data is received through the second predetermined virtual channel in the twenty-first step S21, the ADSL interface module 101b sends the ADSL data through the IP module 103b to the MAC bridging module 102b. ) Is transmitted to the subscriber PC (S23).

As described above, according to the Internet service and local service processing apparatus and method thereof according to the present invention, by implementing the ADSL modem of the ADSL network capable of processing the Internet service and the local service at the same time, not only the Internet service but also video, video, It is effective to provide local services such as game service at the same time.

Claims (13)

An apparatus for processing Internet service and local service between an internet network and a local server and a subscriber PC, An Ethernet interface unit for outputting ADSL data from the subscriber PC and transmitting the ADSL data to the subscriber PC when the ADSL data is input; An ADSL interface unit for outputting ADSL data from an Internet network or a local server, and transmitting the ADSL data to the Internet network or a local server if ADSL data is received; And When the ADSL data is input from the Ethernet interface unit, the ADSL data is routed to the Internet network or a local server according to the destination address of the data, and when the ADSL data is received from the ADSL interface unit, the subscriber PC is connected to the subscriber PC through the Ethernet interface unit. Internet service and local service processing apparatus, characterized in that consisting of a modem having a CPU to transmit to. The method of claim 1, The modem may be configured in protocol software for simultaneously implementing the Internet service processing function and the local service processing function. An Ethernet interface module for performing an interface function between the modem and the user PC, and an ADSL interface module for performing an interface function between the modem and the Internet network and a local server as a first layer, A bridging module that transmits an Ethernet frame different from the MAC address of the modem through a first predetermined virtual channel connected to the corresponding Internet network, and a frame identical to the MAC address of the modem among the Ethernet frames entered through one Ethernet interface is higher. A frame different from the MAC address of the modem while forwarding to the layer uses the MAC bridging module transmitted to the bridging module as the second layer. An IP routing module for routing the same Ethernet frame as the MAC address of the modem from the MAC bridging module, and a second predetermined virtual connected to the local server when receiving the same Ethernet frame as the MAC address of the modem from the IP routing module. Internet service and local service processing apparatus, characterized in that using the IP module transmitting through the channel as a third layer. The method of claim 2, The bridging module of the second layer uses an 'RFC 1483' standard in the form of a bridge for an internet service processing function and simultaneously uses a first predetermined protocol (PPPOE). The method of claim 2, The IP module of the third layer uses an 'RFC 1577' standard of a router type for a local service processing function and simultaneously uses a second predetermined protocol (IPOA). In the method of processing Internet service and local service between internet network and local server and subscriber PC, An eleventh step of determining, when the MAC bridging module receives the Ethernet frame from the Ethernet interface module, whether the destination address of the Ethernet frame is the same as the MAC address of the modem; A twelfth step of the MAC bridging module sending the Ethernet frame to the IP routing module if the destination address of the Ethernet frame is the same as the MAC address of the modem in the eleventh step; A thirteenth step, wherein the IP routing module determines whether the destination address of the IP packet of the Ethernet frame is the same as the modem IP address; And In the thirteenth step, if the destination address of the IP packet of the Ethernet frame is the same as the modem IP address, the fourteenth step of the IP routing module transmits the Ethernet frame to the application processor of the modem to process the modem itself. A method of processing an Internet service and a local service. The method of claim 5, In the eleventh step, if the destination address of the Ethernet frame is different from the MAC address of the modem, the MAC bridging module outputs the Ethernet frame to the bridging module and transmits the same through the first predetermined virtual channel connected to the corresponding Internet network. Further comprising the steps of processing an Internet service and a local service. The method of claim 6, In the fifteenth step, the first predetermined virtual channel is set to a first predetermined protocol (PPPOE). The method of claim 5, In the thirteenth step, if the destination address of the IP packet of the Ethernet frame is different from the modem IP address, the sixteenth step of routing the IP routing module to the IP module to transmit the second predetermined virtual channel connected to the local server. Internet service and local service processing method characterized in that it further comprises. The method of claim 8, In the sixteenth step, the second predetermined virtual channel is set to a second predetermined protocol (IPOA). In the method of processing Internet service and local service between internet network and local server and subscriber PC, A twenty-first step of determining, on which virtual channel the ADSL data module is received via the ADSL interface module; And And the twenty-second step of transmitting the ADSL data through the bridging module to the MAC bridging module when the ADSL data is received through the first predetermined virtual channel in the twenty-first step. How local services are handled. The method of claim 10, And the first predetermined virtual channel is set to a first predetermined protocol (PPPOE). The method of claim 10, If the ADSL data is received through the second predetermined virtual channel in the twenty-first step, the ADSL interface module further includes a twenty-third step of transmitting the ADSL data to the MAC bridging module through the IP module. How to handle Internet and local services. The method of claim 12, And said second predetermined virtual channel is set to a second predetermined protocol (IPOA).