KR100503787B1 - Method for setting the PPP session of Asymmetric Digital Subscriber Line(ADSL) using Dynamic Host Configuration Protocol(DHCP) and Method for controlling the disconnection Internet service Provider(ISP) therefor - Google Patents
Method for setting the PPP session of Asymmetric Digital Subscriber Line(ADSL) using Dynamic Host Configuration Protocol(DHCP) and Method for controlling the disconnection Internet service Provider(ISP) therefor Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2858—Access network architectures
- H04L12/2859—Point-to-point connection between the data network and the subscribers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5691—Access to open networks; Ingress point selection, e.g. ISP selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L61/00—Network arrangements, protocols or services for addressing or naming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
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- H—ELECTRICITY
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- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/168—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] specially adapted for link layer protocols, e.g. asynchronous transfer mode [ATM], synchronous optical network [SONET] or point-to-point protocol [PPP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
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Abstract
본 발명은 소정의 터미널이 비대칭 디지털 가입자회선에 접속할 때, 상기 어드레스 자동취득 프로그램의 메시지 옵션필드에 가입자가 원하는 데이터제공자의 ID를 제공함으로써, 가입자 단말(ATU-R)의 PPP 세션을 설정하는 방법과, PPP 세션이 설정된 데이터제공자의 단속을 제어하는 방법을 제공한다.The present invention provides a method for establishing a PPP session of an ATU-R by providing an ID of a desired data provider in a message option field of the automatic address acquisition program when a predetermined terminal accesses an asymmetric digital subscriber line. And, it provides a method for controlling the enforcement of the data provider for which the PPP session is established.
이로써, 본 발명은 가입자다 원하는 데이터를 제공받을 수 있다.As a result, the present invention allows subscribers to receive desired data.
Description
본 발명은 비대칭 디지털 가입자회선(ADSL) 시스템의 PPP 설정방법에 관한 것으로서, 더욱 상세하게는 어드레스 자동취득규약(DHCP)을 이용한 비대칭 디지털 가입자라인(ADSL) 시스템의 PPP 설정방법에 관한 것이다.The present invention relates to a PPP setting method of an asymmetric digital subscriber line (ADSL) system, and more particularly, to a PPP setting method of an asymmetric digital subscriber line (ADSL) system using an address automatic acquisition protocol (DHCP).
ADSL(Asymmetric Digital Subscriber Line : 비대칭 디지털 가입자회선)은 주문형비디오(VOD)를 겨냥해 개발한 기술이지만, 전 세계적으로 주문형비디오의 상용화가 지지부진되면서 ADSL도 크게 부각되지 못했다. 그러나, ADSL은 인터넷 붐과 함께 통신속도에 대한 문제로 부각되면서 관심대상이 되기 시작했다. ADSL은 현행 전화선이나 전화기를 그대로 사용하면서도 고속데이터통신이 가능할 뿐 아니라, 데이터통신과 일반 전화를 동시에 이용할 수 있다는 특징이 있다. Asymmetric Digital Subscriber Line (ADSL) is a technology developed for on-demand video (VOD), but ADSL has not come to the fore as the commercialization of on-demand video has slowed worldwide. However, ADSL began to attract attention as the problem of communication speed with the internet boom. ADSL is capable of using high speed data communication while using existing telephone line or telephone as well as using both data communication and regular telephone at the same time.
기존 모뎀은 전화와 데이터통신을 동시에 사용할 수 없다. 또한, ISDN은 전화와 데이터통신을 동시에 사용할 수 있지만, 데이터통신속도가 절반으로 떨어진다. 이에 비해, ADSL은 한개의 전화선에서 전화는 낮은 주파수를, 데이터통신은 높은 주파수를 사용하는 원리를 이용하기 때문에 혼선이 일어나지 않고 통신속도도 떨어지지 않는다. Existing modems cannot use both telephone and data communications at the same time. In addition, ISDN can use both telephone and data communications at the same time, but the data rate is halved. In contrast, ADSL uses the principle that the telephone uses a low frequency and the data communication uses a high frequency on one telephone line, so that no crosstalk occurs and the communication speed does not decrease.
ADSL은 가입자와 전화국간의 데이터교환속도가 서로 다르기 때문에 비대칭형 디지털 가입자망이라고 부른다. 기존의 하향과 상향의 통신속도가 같고 고속데이터통신을 할 수 있는 CATV에 비해 통신속도가 떨어지기는 하지만, 이용자가 증가해도 통신속도가 떨어지지 않는다는 장점이 있다. ADSL은 인터넷, 주문형비디오, 홈쇼핑 같은 비대칭형 서비스들을 지원하기에는 유리하지만, 영상전화, 영상회의, 원격진료 같은 대칭적 양방향 서비스를 지원하기에는 적합하지 않다는 지적도 제기되고 있다. ADSL is called asymmetric digital subscriber network because the data exchange rate between subscriber and telephone station is different. Although the communication speed is lower than that of CATV, which has the same downlink and uplink communication speeds and can perform high-speed data communication, there is an advantage that the communication speed does not drop even as the number of users increases. While ADSL is advantageous for supporting asymmetric services such as the Internet, video on demand, and home shopping, it has been pointed out that it is not suitable for supporting symmetric two-way services such as video telephony, video conferencing, and telemedicine.
도 1은 ADSL시스템의 개략 구성도이다. 1 is a schematic configuration diagram of an ADSL system.
도 1에 있어서, 참조부호 10은 가입자측을, 참조부호 12는 인터넷 서비스 제공자측을, 14는 인터넷을 각각 나타낸다. 가입자측(10)에는 가입자 단말(ATU-R, ADSL Terminal Unit-Remote)(102)에 개인용컴퓨터(104)와 전화기(106)가 연결되어 있고, 인터넷 서비스 제공자측(102)은 교환국 단말(ATU-C, ADSL Terminal Unit-Center)(122)과 라우터(124) 및 서버(126)를 포함한다.In Fig. 1, reference numeral 10 denotes a subscriber side, reference numeral 12 denotes an internet service provider side, and 14 denotes an internet. On the subscriber side 10, a personal computer 104 and a telephone 106 are connected to a subscriber station (ATU-R, ADSL Terminal Unit-Remote) 102, and the Internet service provider side 102 is connected to an exchange office terminal (ATU). -C, ADSL Terminal Unit-Center (122) and router 124 and server 126.
여기서, 서버(126), 인터넷(14) 및 다른 가입자 단말에서 전송된 신호는 교환국 단말(ATU-C)에서 디지털 가입자 회선접속 멀티플렉서(Digital Subscripter Line Access Multiplexer; DSLAM)(미도시)를 이용하여 ADSL(16)를 통해 가입자 단말(ATU-R)(102)에 전송된다. 이와 반대로 가입자 단말(ATU-R)에서 발생된 신호는 ADSL(16)를 통해 교환국 단말(ATU-C)로 전송된다. ATU-R, ATU-C에는 ADSL 모뎀이 내장되어 있다.Here, the signals transmitted from the server 126, the Internet 14, and other subscriber terminals are transmitted to the ADSL using a Digital Subscripter Line Access Multiplexer (DSLAM) (not shown) at the switching center terminal (ATU-C). It is transmitted to the subscriber station (ATU-R) 102 via (16). In contrast, the signal generated at the subscriber station (ATU-R) is transmitted to the switching center (ATU-C) via the ADSL (16). ATU-R and ATU-C have a built-in ADSL modem.
또한, DHCP(Dynamic Host Configuration Protocol)는 어드레스 자동취득 프로토콜을 말하는 것으로서, 복잡하고 까다로운 어드레스 설정작업을 자동화하는 프로토콜이다. DHCP는 단말기의 작동시에 동적으로 IP 어드레스를 할당함으로써 어드레스의 설정에 따른 작업상의 어려움을 해결하며, IP 어드레스뿐만 아니라, 기종, 사이트와 같은 각종 정보도 클라이언트(가입자 단말)에 통지할 수 있다. 동적으로 IP 어드레스를 할당하는 점은 BOOTP(Bootstrap Protocol)와 같지만, 어드레스값 자체도 동적으로 결정되며, 이용할 수 있는 IP어드레스의 수보다 단말기 수가 많은 경우에 어드레스를 절약할 수 있다. DHCP는 서버와 클라이언트로 구성되며 할당하는 방법은 동적할당, 자동할당, 수동할당의 3 종류가 있다. In addition, DHCP (Dynamic Host Configuration Protocol) refers to an automatic address acquisition protocol, and is a protocol for automating complicated and difficult address setting tasks. DHCP solves the difficulty of setting an address by dynamically assigning an IP address at the time of operation of the terminal, and can notify not only the IP address but also various information such as a model and a site to the client (subscriber terminal). Dynamically assigning an IP address is the same as BOOTP (Bootstrap Protocol), but the address value itself is determined dynamically, and the address can be saved when the number of terminals is larger than the number of available IP addresses. DHCP consists of a server and a client, and there are three types of allocation methods: dynamic allocation, automatic allocation, and manual allocation.
본 발명의 제1목적은 소정의 터미널이 비대칭 디지털 가입자회선에 접속할 때, 상기 어드레스 자동취득 프로그램의 메시지 옵션필드에 가입자가 원하는 데이터제공자의 ID를 제공함으로써, 가입자 단말(ATU-R)의 PPP 세션을 설정하는 방법을 제공함에 있고, 제2목적은 PPP 세션이 설정된 데이터제공자의 단속을 제어하는 방법을 제공함에 있다.A first object of the present invention is to provide a PPP session of a subscriber station (ATU-R) by providing an ID of a desired data provider in a message option field of the automatic address acquisition program when a predetermined terminal connects to an asymmetric digital subscriber line. The present invention provides a method of controlling a data access control, and a second object of the present invention is to provide a method of controlling an enforcement of a data provider for which a PPP session is established.
상기의 제1목적을 달성하기 위한 본 발명에 따른, 가입자 PC가 어드레스 자동취득 프로그램(DHCP)을 이용하여, 가입자 단말(ATU-R)의 PPP 세션을 설정하는 방법은 상기 가입자 PC에서 원하는 데이터 제공자의 ID를 지정함을 특징으로 한다.In accordance with the present invention for achieving the first object, a method of establishing a PPP session of an ATU-R by a subscriber PC using an address automatic acquisition program (DHCP) is a desired data provider in the subscriber PC. It is characterized by specifying the ID of.
상기 데이터 제공자의 ID는 상기 어드레스 자동취득 프로그램 메지시의 옵션필드에 지정됨을 특징으로 한다.The ID of the data provider is specified in an option field of the automatic address acquisition program message.
상기의 제2목적을 달성하기 위한 본 발명에 따른, 데이터제공자의 단속을 제어하는 방법은 (a) 가입자 PC에서 어드레스 자동취득 프로그램 메시지의 옵션필드에 원하는 데이터 제공자의 ID를 지정하여 가입자 단말(ATU-R)에 제공하는 과정; (b) 상기 메시지를 수신한 가입자 단말(ATU-R)에서 상기 ID를 가리키는 PPP세션을 열고, 그 사실을 상기 가입자 PC로 전송하는 과정; (c) 상기 PC에서 원하는 서비스가 종료되어 자신이 사용한 PPP세션을 닫기 위한 메시지를 상기 가입자 단말(ATU-R)에 전송하는 과정; 및 (d) 상기 가입자 단말(ATU-R)에서 상기 전송된 닫기 메시지를 수신하여, 지정된 PPP세션을 닫는 과정을 포함하는 것으로 특징으로 한다.According to the present invention for achieving the above second object, a method for controlling the enforcement of a data provider includes (a) specifying an ID of a desired data provider in an option field of an address auto-acquisition program message in a subscriber station (ATU). -R) process for providing; (b) opening a PPP session indicating the ID at the subscriber station (ATU-R) receiving the message and transmitting the fact to the subscriber PC; (c) transmitting a message to the subscriber station (ATU-R) to close the PPP session used by the PC after the desired service is terminated; And (d) receiving the transmitted close message from the subscriber station (ATU-R) and closing the designated PPP session.
상기 (b)과정에서 상기 ID를 가리키는 PPP세션 정보를 소정의 메모리에 저장하고, 상기 (d)과정에서 상기 닫기 메시지가 수신되면, 상기 메모리에 저장된 정보를 삭제하는 과정을 더 포함함을 특징으로 한다.And storing the PPP session information indicating the ID in a predetermined memory in step (b) and deleting the information stored in the memory when the close message is received in step (d). do.
이하, 첨부된 도면을 참조하여, 보다 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, described in more detail as follows.
도 2는 본 발명에 따른 어드레스자동취득규약(DHCP)을 이용한 비대칭 디지털가입자라인(ADSL) 시스템의 PPP 세션 설정방법 및 그에 따른 데이터제공자의 단속을 제어하는 방법을 설명하기 위한 흐름도이다.2 is a flowchart illustrating a method of establishing a PPP session of an asymmetric digital subscriber line (ADSL) system using an automatic address acquisition protocol (DHCP) according to the present invention, and a method of controlling a data provider's enforcement.
먼저, 가입자 PC에서 어드레스 자동취득 프로그램 메시지의 옵션필드에 원하는 데이터 제공자(ISP)의 ID를 지정하여 가입자 단말(ATU-R)에 제공한다(200).First, the subscriber PC designates an ID of a desired data provider (ISP) in an option field of an automatic address acquisition program message and provides it to the subscriber station (ATU-R) (200).
상기 메시지를 수신한 가입자 단말(ATU-R)에서 상기 ID를 가리키는 PPP세션을 열고(202), 그 사실을 상기 가입자 PC로 전송한다(204). 이 때, 상기 ID를 가리키는 PPP세션 정보는 소정의 메모리에 저장된다.The subscriber station (ATU-R) receiving the message opens a PPP session pointing to the ID (202) and sends the fact to the subscriber PC (204). At this time, the PPP session information indicating the ID is stored in a predetermined memory.
상기 PC에서 원하는 서비스가 종료되어, PC을 통해 사용된 PPP세션을 닫기 위한 메시지를 상기 가입자 단말(ATU-R)에 전송한다(206).When the desired service is terminated in the PC, a message for closing the PPP session used through the PC is transmitted to the subscriber station (ATU-R) (206).
상기 가입자 단말(ATU-R)에서 상기 전송된 닫기 메시지를 수신하여, 지정된 PPP세션을 닫는다(208). 이 때, 상기 메모리에 저장된 정보를 삭제한다.The subscriber station (ATU-R) receives the transmitted close message and closes the designated PPP session (208). At this time, the information stored in the memory is deleted.
상술한 바와 같이, 본 발명에 의하면, 가입자 PC에서 어드레스 자동취득 프로토콜의 메시지의 옵션필드에 원하는 서비스제공자의 ID를 제공함으로써, 가입자가 원하는 데이터를 제공받을 수 있고, PPP 세션이 설정된 데이터제공자의 PPP세션을 닫기 위한 메시지를 제공함으로써, 설정된 PPP세션을 단속할 수 있는 효과를 제공한다.As described above, according to the present invention, by providing the ID of the desired service provider in the option field of the message of the address auto-acquisition protocol in the subscriber PC, the subscriber can receive the desired data and the PPP of the data provider for which the PPP session is established. Providing a message to close the session provides the effect of cracking down on the established PPP session.
도 1은 ADSL시스템의 개략 구성도이다.1 is a schematic configuration diagram of an ADSL system.
도 2는 본 발명에 따른 어드레스자동취득규약(DHCP)을 이용한 비대칭 디지털가입자라인(ADSL) 시스템의 PPP 세션 설정방법 및 그에 따른 데이터제공자의 단속 제어방법을 설명하기 위한 흐름도이다.2 is a flowchart illustrating a method for establishing a PPP session and an intermittent control method of a data provider according to the asymmetric digital subscriber line (ADSL) system using an address automatic acquisition protocol (DHCP) according to the present invention.
Claims (4)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-1999-0019220A KR100503787B1 (en) | 1999-05-27 | 1999-05-27 | Method for setting the PPP session of Asymmetric Digital Subscriber Line(ADSL) using Dynamic Host Configuration Protocol(DHCP) and Method for controlling the disconnection Internet service Provider(ISP) therefor |
GB0011006A GB2353434B (en) | 1999-05-27 | 2000-05-09 | Method for selecting and controlling connection with internet service provider |
JP2000153512A JP3870006B2 (en) | 1999-05-27 | 2000-05-24 | Internet service provider selection and connection control method |
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KR10-1999-0019220A KR100503787B1 (en) | 1999-05-27 | 1999-05-27 | Method for setting the PPP session of Asymmetric Digital Subscriber Line(ADSL) using Dynamic Host Configuration Protocol(DHCP) and Method for controlling the disconnection Internet service Provider(ISP) therefor |
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KR100503787B1 true KR100503787B1 (en) | 2005-07-26 |
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KR10-1999-0019220A KR100503787B1 (en) | 1999-05-27 | 1999-05-27 | Method for setting the PPP session of Asymmetric Digital Subscriber Line(ADSL) using Dynamic Host Configuration Protocol(DHCP) and Method for controlling the disconnection Internet service Provider(ISP) therefor |
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US7080132B2 (en) | 2001-01-19 | 2006-07-18 | Apple Computer, Inc. | Presentation during network address acquisition |
US7032012B2 (en) | 2001-09-04 | 2006-04-18 | Samsung Electronics Co., Ltd. | PPPOA spoofing in point-to-point protocol over ATM using an XDSL modem |
WO2003065685A1 (en) * | 2002-01-28 | 2003-08-07 | Apple Computer, Inc. | Presentation during network address acquisition |
CN100356728C (en) * | 2003-12-12 | 2007-12-19 | 友讯科技股份有限公司 | ADSL data device of providing IpoA, PPPoA or PPPoE services of logging on network by dialing operation through Ethernet router |
CN100426816C (en) * | 2006-11-13 | 2008-10-15 | 华为技术有限公司 | Method and system for sending DHCP message and obtaining configuration information by PPP line |
WO2011113451A1 (en) * | 2010-03-19 | 2011-09-22 | Nec Europe Ltd. | A method for operating a network and a network |
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1999
- 1999-05-27 KR KR10-1999-0019220A patent/KR100503787B1/en not_active IP Right Cessation
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JP3870006B2 (en) | 2007-01-17 |
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JP2001016272A (en) | 2001-01-19 |
GB2353434B (en) | 2001-10-03 |
GB2353434A (en) | 2001-02-21 |
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