KR960027675A - How to locate fault using relative position value - Google Patents

How to locate fault using relative position value Download PDF

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Publication number
KR960027675A
KR960027675A KR1019940034262A KR19940034262A KR960027675A KR 960027675 A KR960027675 A KR 960027675A KR 1019940034262 A KR1019940034262 A KR 1019940034262A KR 19940034262 A KR19940034262 A KR 19940034262A KR 960027675 A KR960027675 A KR 960027675A
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South Korea
Prior art keywords
failure
connection
oam cell
network element
oam
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KR1019940034262A
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Korean (ko)
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KR0123250B1 (en
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김선미
이재홈
이병선
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양승택
재단법인 한국전자통신연구소
조백제
한국전기통신공사
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Priority to KR1019940034262A priority Critical patent/KR0123250B1/en
Publication of KR960027675A publication Critical patent/KR960027675A/en
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    • 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
    • H04L41/0677Localisation of faults

Abstract

본 발명은 상대적 위치값을 이용한 장애 위치(Defect location) 파악 방법에 관한 것으로, VP/VC 연결의 망요소의 위치를판단하는 제1단계와, 장애를 최초로 검출한 장애검출 VP/VC 연결 망요소인 경우에는 VP/VC-AIS OAM 셀내의 장애 위치 필드에 제1특정값을 기입하여 AIS OAM 셀을 송신하고, VP/VC 연결의 연결 망요소의 경우에는 바로 실패상태가 되는 제2단계와, 장애를 최초로 검출한 장애검출 VP/VC 연결 망요소 또는 VP/VC 연결의 연결 망요소가 상기 실패상태에서 수신되는 고장관리 OAM 셀의 OAM 기능타입에 따라 상대적 장애 위치를 파악하는 제3단계와, VP/VC 연결의 종단 망요소인 경우에 실패상태에서 수신되는 고장관리 OAM 셀의 OAM 기능타입에 따라 상대적 장애 위치를 파악하고 RDI OAM 셀을 생성하거나 폐기하는 제4단계를 포함하는 것을 특징으로 하여, 장애발생 위치파악을 위한 추가의 시험기능을 필요로 하지 않고 자동적으로 장애 발생 사실의 인지와 동시에 위치에 대한 파악이 가능한 효과가 있다.The present invention relates to a method for determining a defect location using a relative position value, comprising: a first step of determining the position of a network element of a VP / VC connection; and a fault detection VP / VC connection network element for detecting a failure for the first time In case of, the AIS OAM cell is transmitted by inputting the first specific value into the fault location field in the VP / VC-AIS OAM cell, and in the case of the connection network element of the VP / VC connection, the second step of immediately failing; A third step of identifying a relative fault location according to an OAM function type of a fault management OAM cell in which a fault detection VP / VC connection network element or a connection network element of a VP / VC connection is first detected in a failure state; In the case of the end network element of the VP / VC connection, a fourth step of identifying the relative fault location and creating or discarding the RDI OAM cell according to the OAM function type of the fault management OAM cell received in the failure state, , Failure It does not require any additional test functions for the identification of the device, and it is possible to automatically recognize the fact that the failure occurred and to identify the location at the same time.

Description

상대적 위치값을 이용한 장애 위치 파악 방법How to locate fault using relative position value

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

제3도는 본 발명에 따른 장애 위치 파악 처리 흐름 예시도, 제4도는 본 발명에 따른 상대적 위치값을 이용한 장애 위치 파악 처리 흐름도.3 is an exemplary fault positioning process flow diagram according to the present invention, and FIG. 4 is a fault positioning process flow chart using a relative position value according to the present invention.

Claims (5)

장애가 발생된 VP/VC 연결상의 위치를 나타내는 장애 위치(defect location) 필드(5)를 포함한 고장 관리 AIS/RDI(Alarm Indication Signal/Remote Defect Indication) OAM(Operation Maintenance) 셀을 이용한 장애 위치 파악방법에 있어서, VP/VC 연결의 망요소의 위치를 판단하는 제1단계와, 상기 제1단계 수행 후, 장애를 최초로 검출한 장애검출 VP/VC 연결 망요소인 경우에는 VP/VC-AIS OAM 셀내의 장애 위치 필드에 제1특정값을 기입하여 AIS OAM 셀을 송신하고실패상태(On-Failure)가 되며, VP/VC 연결의 연결 망요소의 경우에는 바로 실패상태가 되는 제2단계와, 상기 제1단계 수행 후, 장애를 최초로 검출한 장애검출 VP/VC 연결 망요소 또는 VP/VC 연결의 연결 망요소가 상기 실패상태에서 수신되는고장관리 OAM 셀의 OAM 기능타입에 따라 장애의 상대적 위치를 파악하는 제3단계와, 상기 제1단계 수행 후, VP/VC 연결의 종단 망요소인 경우에 실패상태에서 수신되는 고장관리 OAM 셀의 OAM 기능타입에 따라 상대적 장애 위치를 파악하고 RDIOAM 셀을 생성하거나 폐기하는 제4단계를 포함하는 것을 특징으로 하는 상대적 위치값을 이용한 장애 위치 파악방법.Fault management AIS / RDI (Alarm Indication Signal / Remote Defect Indication) OAM (Operation Maintenance) OAM (Operation Maintenance) cell including fault location field (5) indicating the location on the failed VP / VC connection. In the first step of determining the position of the network element of the VP / VC connection, and after performing the first step, in the case of the failure detection VP / VC connection network element first detected a failure in the VP / VC-AIS OAM cell A second step of transmitting the AIS OAM cell by entering a first specific value in the fault location field and failing, and in case of the connection network element of the VP / VC connection, immediately failing; After performing step 1, determine the relative position of the fault according to the OAM function type of the fault management OAM cell in which the fault detection VP / VC connection network element or the connection network element of the VP / VC connection is received in the failure state. And performing the first step In the case of an end network element of a VP / VC connection, a fourth step of identifying a relative fault location and creating or discarding an RDIOAM cell according to an OAM function type of a failure management OAM cell received in a failure state is provided. How to locate fault using relative position value. 제1항에 있어서, 상기 제3단계는, 장애 검출 VP/VC 연결 망요소 또는 VP/VC 연결의 연결 망요소가 실패상태에서 고장관리 OAM 셀을 수신하면 OAM 기능타입이 AIS 인지 RDI 인지 확인하는 제5단계와, 상기 제5단계 수행 후, AIS OAM 셀인 경우는 장애 위치 필드값을 '1'증가하여 그에 따른 장애 위치 필드의 값으로 상대적 위치를 파악하고 고장관리OAM 셀을 계속 송신하는 제6단계와, 상기 제5단계 수행 후, RDI OAM 셀인 경우는 장애 위치 필드값을 '1'감소시키고 고장관리 OAM 셀을 계속 송신하는 제7단계를 포함하는 것을 특징으로 하는 상대적 위치값을 이용한 장애 위치 파악방법.The method of claim 1, wherein the third step comprises: determining whether the OAM function type is AIS or RDI when a failure detection OAM cell is received in a failure state of a failure detection VP / VC connection network element or a connection network element of the VP / VC connection. After performing the fifth step and the fifth step, in the case of the AIS OAM cell, the failure position field value is increased by '1', the relative position is determined by the value of the failure position field accordingly, and the sixth step of continuously transmitting the failure management OAM cell. And a seventh step of reducing the failure location field value by '1' and continuing to transmit the failure management OAM cell in the case of an RDI OAM cell after performing the fifth step. How to grasp. 제2항에 있어서, 상기 제7단계는, VC/VP 연결의 연결 망요소인 경우에는 RDI OAM 셀의 장애 위치 필드값을'1'감소한 후, 그에 따른 장애 위치 필드의 값으로 상대적 위치를 파악하는 제8단계를 더 포함하는 것을 특징으로 하는상대적 위치값을 이용한 장애 위치 파악방법.The method of claim 2, wherein in the seventh step, in the case of the connection network element of the VC / VP connection, the relative location field value of the RDI OAM cell is decreased by '1' and the relative location is determined by the value of the failure location field. Disability positioning method using the relative position value, characterized in that it further comprises an eighth step. 제1항에 있어서, 상기 제4단계는, VP/VC 연결의 종단 망요소인 경우에 실패상태에서 수신한 고장관리 OAM셀의 OAM 기능타입을 확인하는 제5단계와, 상기 제5단계 수행 후, AIS OAM 셀이면 장애의 상대적 위치를 파악하고 RDIOAM 셀을 생성하여 반대방향으로 송신하는 제6단계와, 상기 제5단계 수행후, RDI OAM 셀이면 장애 위치 필드(5)의 값을'1'감소하여 장애의 상대적 위치를 파악하고 RDI OAM 셀을 폐기하는 제7단계를 포함하는 것을 특징으로 하는 상대적 위치값을 이용한 장애 위치 파악방법.The method of claim 1, wherein the fourth step comprises: a fifth step of identifying an OAM function type of a failure management OAM cell received in a failure state in the case of an end network element of a VP / VC connection, and after performing the fifth step; In case of the AIS OAM cell, the relative position of the fault is determined and the RDIOAM cell is generated and transmitted in the opposite direction. After performing the fifth step, if the RDI OAM cell is performed, the value of the fault location field 5 is '1'. And a seventh step of reducing the relative location of the failure and discarding the RDI OAM cell. 제4항에 있어서, 상기 제6단계는, 상기 AIS OAM 셀의 장애 위치 필드(5)의 값을 '1'증가하여 장애의 상대적 위치를 파악하는 제8단계와, 상기 AIS OAM 셀의 장애 위치 필드(5)값을 이용하여 RDI OAM 셀을 생성하는 제9단계와,상기 생성된 RDI OAM 셀의 장애 위치 필드(5)의 값을 '1'감소하고 반대방향으로 송신하는 제10단계를 포함하는 것을 특징으로 하는 상대적 위치값을 이용한 장애 위치 파악방법.5. The method of claim 4, wherein the sixth step comprises: an eighth step of determining a relative position of the failure by increasing the value of the failure location field 5 of the AIS OAM cell by '1', and the failure location of the AIS OAM cell; A ninth step of generating an RDI OAM cell using the value of the field 5; and a tenth step of decreasing the value of the fault location field 5 of the generated RDI OAM cell by '1' and transmitting in the opposite direction; Disability positioning method using the relative position value, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940034262A 1994-12-14 1994-12-14 Method for locating defects using the relative position values KR0123250B1 (en)

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KR0123250B1 KR0123250B1 (en) 1997-11-19

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