KR970056210A - How to Boot a Diskless Node in a Real-Time Distributed System - Google Patents

How to Boot a Diskless Node in a Real-Time Distributed System Download PDF

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Publication number
KR970056210A
KR970056210A KR1019950054012A KR19950054012A KR970056210A KR 970056210 A KR970056210 A KR 970056210A KR 1019950054012 A KR1019950054012 A KR 1019950054012A KR 19950054012 A KR19950054012 A KR 19950054012A KR 970056210 A KR970056210 A KR 970056210A
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South Korea
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state
received
code
head
hereinafter referred
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KR1019950054012A
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Korean (ko)
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KR0168947B1 (en
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김형환
김재명
전성익
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양승택
한국전자통신연구원
이준
한국전기통신공사
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Priority to KR1019950054012A priority Critical patent/KR0168947B1/en
Publication of KR970056210A publication Critical patent/KR970056210A/en
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Publication of KR0168947B1 publication Critical patent/KR0168947B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stored Programmes (AREA)

Abstract

본 발명은 실시간 분산시스템에서 디스크를 갖지 않는 노드의 부팅 방법에 관한 것으로, 첫째, 분산 시스템에서 디스크를 갖지 않는 노드가 부팅할 수 있는 방법으로 공하고, 둘째, 첫째의 효과에 따라 디스크를 갖지 않는 노드들로 분산 시스템을 구성할 수 있게 함으로써 하드웨어의 구조를 단순화시키고 이에 따른 하드웨어의 비용을 절감시키며 셋째, 통신 하드웨어 장치 및 드라이버를 하나의 모듈로 분리할 수 있는 구조를 갖게함으로써 어떤 종류의 상호접속(interworking) 하드웨어에도 적용할 수 있는 효과가 있다.The present invention relates to a method for booting a node without a disk in a real-time distributed system. First, a method for booting a node without a disk in a distributed system can be provided. Second, the first method does not have a disk according to the first effect. By enabling the distributed system to be composed of nodes, the structure of the hardware is simplified and the cost of the hardware is reduced. Third, there is a structure that can separate the communication hardware devices and drivers into one module. (interworking) There is an effect that can be applied to hardware.

Description

실시간 분산시스템에서 디스크를 갖지 않는 노드의 부팅 방법How to Boot a Diskless Node in a Real-Time Distributed System

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

제2A도 내지 제2C도는 본 발명의 전체동작의 개략적인 설명도,2A to 2C are schematic explanatory diagrams of the overall operation of the present invention;

제3도는 본 발명이 제공하는 부팅규약(booting protocol) 예시도,3 is a diagram illustrating a booting protocol provided by the present invention.

제4도는 본 발명에 따른 부팅방법에 대한 처리 흐름도.4 is a flowchart illustrating a booting method according to the present invention.

Claims (1)

실시간 분산시스템에서 디스크를 갖지 않는 노드의 부팅 방법에 있어서, 헤드를 수신하면 종류에 다른 수신상태가 검사하는 제1단계; 상기 제1단계 수행 후, 운영체계(이하, OS라 함) 헤드를 수신할 상태이면 적재될 메모리의 시작 주소와 크기값을 얻은 후 상태를 OS코드를 수신할 상태로 바꾸고 OS헤드를 수신할 상태가 아니면 수신한 통신메카니즘(이하, IPC라 함) 메세지를 무시하며 응용 프로그램 적재(이하, PL이라 함(헤드를 수신할 상태이면 적재될 메모리의 시작주소와 크기값을 얻은 후 상태를 PL코드를 수신할 상태로 바꾸고 PL헤드를 수신할 상태가 아니면 수신할 IPC 메세지를 무시하는 제2단계; 코드를 수신할 경우, 거재할 코드가 OS코드인지 PL코드인지에 따라 적재상태를 검사하는 제3단계; 상기 제3단계 수행 후, PL코드이면 PL코드를 수신할 상태가 아니면 수신할 IPC메세지를 무시하며 그렇지 않으면 수신한 IPC 메세지에 저장된 텍스트가 합당한지 합산체크값을 검사하여 오류가 없으면 주메로 리에 적재한 후 NWD(Node with Disk)에 있는 시스템 로더(이하, SL이라 함)에게 응답신호를 송신하고 오류가 있으면 오류메시지를 송신함으로써 SL로 하여금 재전송하도록 하는 제4단계; 엔드를 수신할 경우, PL엔드인가 검사해서 아니면 OS엔드인가 검사하는 제5단계; 상기 제5단계 수행 후, OS엔드이면 상태를 PL헤드를 수신할 상태로 바꾸고 PL엔드이면 NWD의 SL에게 정상 메시지를 송신함으로써 시스템의 적재를 완료했음을 알리고 적재된 부트 이미지인 운영체계를 실행시킴으로써 부팅 동작을 완료하고 응용 프로그램 적재과정을 실행시킴으로서 응용프로그램들웰 적재하는 상태로 천이하는 제6단계를 포함하여 이루어지는 것을 특징으로 하는 실시간 분산시스템에 디스크를 갖지 않는 노드의 부팅 방법.A booting method of a node having no disk in a real time distributed system, comprising: a first step of checking a reception state different from a type upon receiving a head; After performing the first step, if the operating system (hereinafter referred to as an OS) head is in a state of receiving a start address and a size value of a memory to be loaded, the state is changed to a state of receiving an OS code, and a state of receiving an OS head. Otherwise, the received communication mechanism (hereinafter referred to as IPC) message is ignored, and the application program is loaded (hereinafter referred to as PL (hereinafter referred to as PL). A second step of changing to a state to be received and disregarding an IPC message to be received if the PL head is not to be received; a third step of checking a loading state according to whether the code to be enumerated is an OS code or a PL code After performing the third step, if the PL code is not in the state of receiving the PL code, the IPC message to be received is ignored. Otherwise, if the text stored in the received IPC message is valid, the sum check value is checked. Step 4 which causes the SL to retransmit by sending a response signal to the system loader (hereinafter referred to as SL) in the NWD (Node with Disk) and sending an error message if there is an error; A fifth step of checking whether it is a PL-end or an OS-end if received; after performing the fifth step, if it is an OS-end, the state is changed to receive a PL head, and if it is a PL-end, a normal message is sent to the SL of the NWD. And a sixth step of transitioning to a state in which the applications are well loaded by completing the booting operation and executing the application loading process by informing that the system has completed loading and executing the loaded boot image operating system. How to boot a node without a disk in a real-time distributed system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950054012A 1995-12-22 1995-12-22 Method for booting node without disk in real-time distributing system KR0168947B1 (en)

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KR1019950054012A KR0168947B1 (en) 1995-12-22 1995-12-22 Method for booting node without disk in real-time distributing system

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Application Number Priority Date Filing Date Title
KR1019950054012A KR0168947B1 (en) 1995-12-22 1995-12-22 Method for booting node without disk in real-time distributing system

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KR970056210A true KR970056210A (en) 1997-07-31
KR0168947B1 KR0168947B1 (en) 1999-02-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100421953B1 (en) * 2001-07-25 2004-03-12 엘지전자 주식회사 Apparatus and method for sharing bootup program among control units in distributed transmission system
KR100729205B1 (en) * 2005-12-12 2007-06-19 삼성전자주식회사 Apparatus and method for automatic boot error recovery in convergence terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100421953B1 (en) * 2001-07-25 2004-03-12 엘지전자 주식회사 Apparatus and method for sharing bootup program among control units in distributed transmission system
KR100729205B1 (en) * 2005-12-12 2007-06-19 삼성전자주식회사 Apparatus and method for automatic boot error recovery in convergence terminal

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