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| Presentation | 2020-03-03 16:00 Proposing an Algorithm for Precise Alarm Correlation and Root Cause Analysis by referring Network Topology Ryosuke Sato, Aiko Oi, Yuichi Suto (NTT), Ryota Ito (NTT Neomeit), Motomu Nakajima, Tsuyoshi Hurukawa, Kosuke Sakata (NTT)  ICM2019-64 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | When a fault happens in large scale carrier network, not only alarms from failing equipment (root cause alarm) are generated, but also many alarms from corresponding equipment (false alarm) are generated. To recover the fault, it is necessary to identify the root cause alarm from massive number of alarms including false alarms. This process requires knowledge of network topology surrounding the faulty network equipment, experience of alarm patterns depending the fault pattern, and workload of skilled operator proportional to the amount of alarms. This paper proposes an improved method for precise alarm correlation of root cause alarm and corresponding false alarms. The new algorithm enhances rule based alarm correlation method, that is widely common in commercial event processing engine, by referring network topology and apply graphical analysis when rules are processed to correlate alarms into a group of root cause alarm and corresponding false alarms. Keywords alarm correlation, alarm aggregation, root cause analysis |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | alarm correlation / alarm aggregation / root cause analyss / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 438, ICM2019-64, pp. 129-134, March 2020. | |
| Paper # | ICM2019-64 | |
| Date of Issue | 2020-02-24 (ICM) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | ICM2019-64 |
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| Conference Information | |
| Committee | ICM |
| Conference Date | 2020-03-02 - 2020-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ohama Nobumoto Memorial Hall |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ICM |
| Conference Code | 2020-03-ICM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposing an Algorithm for Precise Alarm Correlation and Root Cause Analysis by referring Network Topology |
| Sub Title (in English) | |
| Keyword(1) | alarm correlation |
| Keyword(2) | alarm aggregation |
| Keyword(3) | root cause analyss |
| Keyword(4) | |
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| 1st Author's Name | Ryosuke Sato |
| 1st Author's Affiliation | NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT) |
| 2nd Author's Name | Aiko Oi |
| 2nd Author's Affiliation | NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT) |
| 3rd Author's Name | Yuichi Suto |
| 3rd Author's Affiliation | NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT) |
| 4th Author's Name | Ryota Ito |
| 4th Author's Affiliation | NTT Neomeit Corporation (NTT Neomeit) |
| 5th Author's Name | Motomu Nakajima |
| 5th Author's Affiliation | NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT) |
| 6th Author's Name | Tsuyoshi Hurukawa |
| 6th Author's Affiliation | NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT) |
| 7th Author's Name | Kosuke Sakata |
| 7th Author's Affiliation | NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT) |
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| Speaker | Author-1 |
| Date Time | 2020-03-03 16:00:00 |
| Presentation Time | 20 minutes |
| Registration for | ICM |
| Paper # | ICM2019-64 |
| Volume (vol) | vol.119 |
| Number (no) | no.438 |
| Page | pp.129-134 |
| #Pages | 6 |
| Date of Issue | 2020-02-24 (ICM) |
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