KR950016088A - Interconnecting device between each communication network between processors and its operation method - Google Patents

Interconnecting device between each communication network between processors and its operation method Download PDF

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Publication number
KR950016088A
KR950016088A KR1019930025732A KR930025732A KR950016088A KR 950016088 A KR950016088 A KR 950016088A KR 1019930025732 A KR1019930025732 A KR 1019930025732A KR 930025732 A KR930025732 A KR 930025732A KR 950016088 A KR950016088 A KR 950016088A
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South Korea
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bridge
node
redundant
network
link
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KR1019930025732A
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Korean (ko)
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KR960003784B1 (en
Inventor
정연쾌
홍재환
박형준
신동진
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양승택
재단법인 한국전자통신연구소
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40052High-speed IEEE 1394 serial bus
    • H04L12/40091Bus bridging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40052High-speed IEEE 1394 serial bus
    • H04L12/40097Interconnection with other networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/407Bus networks with decentralised control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0654Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0686Additional information in the notification, e.g. enhancement of specific meta-data

Abstract

본 발명은 다수의 프로세서가 공유버스로 연결되어 있는 프로세서간 단위 통신망간에 통신경로를 제공하는 브리지 노드를 이중화로 구성하여 고신뢰성를 제공하며, 주 망간에 실시간 통신을 지원할 수 있도록 한 연결장치 및 그 운용방법을 제공하는데 그 목적이 있다. 본 발명은, 하나의 프로세서간 단위 통신망에 다른 통신망과의 통신을 수행하기 위해 연결되되 하나는 동작상태를 유지하고 다른 하나는 대기상태를 유지하면서 이중화 절체신호를 주고 받는 이중화된 제1 및 제2 브리지 노드와, 다른 하나의 프로세서간 단위 통신망에 다른 통신망과의 통신을 수행하기 위해 연결되되 하나는 동작상태를 유지하고 다른 하나는 대기상태를 유지하면서 이중화 절체신호를 주고 받는 이중화된 제3 및 제4 브리지 노드와, 상기 제1 및 제2 브리지 노드와 상기 제3 및 제4 브리지 노드를 상호 교차 및 일대일로 연결하는 U-링크를 구비하는 연결장치와, 이를 운용하는 방법으로 이루어진다.The present invention provides a high reliability by configuring the bridge node providing a communication path between the communication network between the processors in which a plurality of processors are connected by a shared bus in a redundant manner, the connection device and its operation to support real-time communication between the main network The purpose is to provide a method. The present invention is connected to the unit communication network between one processor to perform communication with the other communication network, one of the first and second redundant to send and receive a redundant transfer signal while maintaining the operating state and the other the standby state The bridged node is connected to a unit communication network between the other processors to perform communication with another communication network, wherein the redundant third and third communication signals are transmitted and received while the other maintains the operation state and the other maintains the standby state. And a connecting device having a four bridge node, a U-link connecting the first and second bridge nodes and the third and fourth bridge nodes to each other and in a one-to-one manner, and a method of operating the same.

Description

프로세서간 단위 통신망간의 상호 연결장치 및 그 운용방법Interconnecting device between each communication network between processors and its operation method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명에 적용되는 하드웨어 시스팀의 구성도.1 is a block diagram of a hardware system applied to the present invention.

제 3 도는 본 발명에 따른 통신망 연결장치의 연결 구성도.3 is a connection diagram of a communication network connection device according to the present invention.

제 5 도는 본 발명에 따른 통신망 연결장치의 운용방법.5 is a method of operating a network connection device according to the present invention.

Claims (2)

다수의 프로세서간 단위 통신망(1 ; IPCUN)를 구비하는 분산제어 시스팀에 적용되는 프로세서간 단위 통신망 연결장치에 있어서, 하나의 프로세서간 단위 통신망에 다른 통신망과의 통신을 수행하기 위해 연결되되 하나는 동작상태를 유지하고 다른 하나는 대기상태를 유지하면서 이중화 절체신호를 주고 받는 이중화된 제 1 및 제 2 브리지 노드와, 다른 하나의 프로세서간 단위 통신망에 다른 통신망과의 통신을 수행하기 위해 연결되되 하나는 동작상태를 유지하고 다른 하나는 대기상태를 유지하면서 이중화 절체신호를 주고 받는 이중화된 제 3 및 제 4 브리지 노드와, 상기 제 1 및 제 2 브리지 노드와 상기 제 3 및 제 4 브리지 노드를 상호 교차 및 일대일로 연결하는 U-링크를 구비하는 것을 특징으로 하는 통신망 연결장치.In an inter-processor unit network connection device applied to a distributed control system having a plurality of inter-processor unit networks (IPCUNs) 1, an inter-processor unit network is connected to perform a communication with another network. The first and second bridged nodes which maintain the state and the other send and receive the redundant transfer signal while maintaining the standby state are connected to communicate with each other in the unit communication network between the other processors. The third and fourth bridge nodes, the first and second bridge nodes and the third and fourth bridge nodes, which cross each other and maintain the operating state and the other send and receive the redundancy transfer signal while maintaining the standby state, cross each other. And a U-link connecting one-to-one. 하나의 프로세서간 단위 통신망에 다른 통신망과의 통신을 수행하기 위해 연결되되 하나는 동작상태를 유지하고 다른 하나는 대기상태를 유지하면서 이중화 절체신호를 주고 받는 이중화된 제 1 및 제 2 브리지 노드와, 다른 하나의 프로세서간 단위 통신망에 다른 통신망과의 통신을 수행하기 위해 연결되되 하나는 동작 상태를 유지하고 다른 하나는 대기상태를 유지하면서 이중화 절체신호를 주고 받는 이중화된 제 3 및 제 4 브리지 노드와, 상기 제 1 및 제 2 브리지 노드와 상기 제 3 및 제 4 브리지 노드를 상호 교차 및 일대일로 열결하는 U-링크를 구비한 통신망 연결장치에 적용되는 통신망 연결장치의 운용방법에 있어서, 상기 각 브리지 노드를 초기화하고, 각 브리지 노드내의 링크 정합부를 초기화하는 제 1 단계와, 상기 제 1 단계 수행후, 링크 장애가 검출되는지 조사하여 장애가 검출되면 절체 가능한 다른 U-링크가 있을 경우에는 다른 링크로 절체하고, 다른 U-링크가 없을 경우에는 해당 브리지 노드의 이중화 절체를 요구하며, 링크가 정상적이면 노드의 기능이 정상적인지 2개의 링크가 모두 경보신호를 받았는지를 확인하는 제 2 단계와, 상기 제 2 단계 수행후, 장애가 발생하지 않았다면 이전에 장애상태에서부터 복구된 브리지 노드의 존재여부에 따라 노드의 초기화 및 장애검출 확인과정으로 리턴하고, 기능장애나 링크장애가 발생했으면 이중화 절체를 위하여 대기상태의 브리지 노드가 존재하는지를 확인하는 제 3 단계와, 상기 제 3 단계 수행 후, 대기상태의 브리지 노드가 없으면 해당브리지 노드의 기능을 중지시키고 상대편 프로세서간 단위 통신망의 브리지 노드에게 이상을 U-링크 경보신호로 송출하고, 대기 브리지 노드가 존재하는 경우에는 장애 브리지 노드의 기능을 중지시키고 U-링크 경보신호를 상대편으로 송출하는 제 4 단계와, 상기 제 4 단계 수행 후, 노드이중화 절체를 위하여 이중화 처리모드를 확인하여, 실시간 처리를 요구할 경우 하드웨어(H/W) 신호인 이중화 절체 신호를 대기상태의 브리지 노드에게 송출하여 절체가 이루어지도록 하고, 실시간 처리 요구가 아닌 경우 노드와 통신망 관리기 사이의 통신 채널을 통하여 통신망 관리기의 소프트웨어(S/W) 명령에 의한 이중화절체를 수행한 후, 대기 브리지 노드를 동작상태로 전환하고 상기 제 2 단계로 리턴하는 제 5 단계를 구비하여 수행하 는 것을 특징으로 하는 이중화된 통신망 연결장치의 운용방법.A redundant first and second bridge nodes connected to one processor-to-processor communication network for performing communication with another communication network, one of which maintains an operation state and the other maintains a standby state and transmits a redundant transfer signal; A redundant third and fourth bridge node connected to another unit-to-processor network for performing communication with another network, one of which maintains an operating state and the other maintains a standby state and sends and receives a redundant transfer signal; A method of operating a network connection device applied to a communication network connection device having a U-link that crosses and connects the first and second bridge nodes and the third and fourth bridge nodes in a one-to-one relationship, wherein each bridge A first step of initializing the node and initializing the link matching unit in each bridge node, and after performing the first step, the link If a fault is detected, it is switched to another link if there is another switchable U-link. If there is no other U-link, the redundant node of the corresponding bridge node is required. Initializing and failing the node according to the existence of the bridge node recovered from the failure state if the second step is to check whether both links are normally received and if the failure has not occurred after performing the second step. A third step of returning to the detection confirmation process and checking whether a standby bridge node exists for redundancy switching if a functional failure or a link failure occurs; and if the bridge node is not in standby after performing the third step, the corresponding bridge node U-ring of the bridge node of the inter-processor network A fourth step of transmitting as an alarm signal and disabling the failed bridge node if there is a standby bridge node and transmitting a U-link alarm signal to the other party; and after performing the fourth step, redundancy for node duplication switching When the processing mode is checked, if the real time processing is requested, the transfer signal is transmitted to the bridge node in the standby state, and the switching is performed.If the real time processing is not required, the communication between the node and the network manager is performed. And performing a redundancy switchover by a software (S / W) command of the network manager through the channel, and then switching to a standby bridge node to an operational state and returning to the second step. Operation method of a redundant communication network connection device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930025732A 1993-11-29 1993-11-29 Interconnection and its operation of processor unit communication KR960003784B1 (en)

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KR960003784B1 KR960003784B1 (en) 1996-03-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100212191B1 (en) * 1996-12-04 1999-08-02 서평원 Double system of optical data link in full electronic switching system
KR20000073805A (en) * 1999-05-14 2000-12-05 김영환 Cutting method in network error of the mobile communication system
KR100469244B1 (en) * 2001-12-05 2005-02-02 엘지전자 주식회사 Voice Over Internet Protocol gateway, method of processing system error for the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100212191B1 (en) * 1996-12-04 1999-08-02 서평원 Double system of optical data link in full electronic switching system
KR20000073805A (en) * 1999-05-14 2000-12-05 김영환 Cutting method in network error of the mobile communication system
KR100469244B1 (en) * 2001-12-05 2005-02-02 엘지전자 주식회사 Voice Over Internet Protocol gateway, method of processing system error for the same

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