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IEICE TRANSACTIONS on Communications

System Design for Traveling Maintenance in Wide-Area Telecommunication Networks

Kouji HIRATA, Hiroshi YAMAMOTO, Shohei KAMAMURA, Toshiyuki OKA, Yoshihiko UEMATSU, Hideki MAEDA, Miki YAMAMOTO

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Summary :

This paper proposes a traveling maintenance method based on the resource pool concept, as a new network maintenance model. For failure recovery, the proposed method utilizes permissible time that is ensured by shared resource pools. In the proposed method, even if a failure occurs in a communication facility, maintenance staff wait for occurrence of successive failures in other communication facilities during the permissible time instead of immediately tackling the failure. Then, the maintenance staff successively visit the communication facilities that have faulty devices and collectively repair them. Therefore, the proposed method can reduce the amount of time that the maintenance staff take for fault recovery. Furthermore, this paper provides a system design that optimizes the proposed traveling maintenance according to system requirements determined by the design philosophy of telecommunication networks. Through simulation experiments, we show the effectiveness of the proposed method.

Publication
IEICE TRANSACTIONS on Communications Vol.E103-B No.4 pp.363-374
Publication Date
2020/04/01
Publicized
2019/10/25
Online ISSN
1745-1345
DOI
10.1587/transcom.2019NRP0007
Type of Manuscript
Special Section PAPER (Special Section on Network Resource Control and Management Technologies for Sustainable Social Information Infrastructure)
Category

Authors

Kouji HIRATA
  Kansai University
Hiroshi YAMAMOTO
  NTT Corporation
Shohei KAMAMURA
  NTT Corporation
Toshiyuki OKA
  NTT Corporation
Yoshihiko UEMATSU
  NTT Corporation
Hideki MAEDA
  NTT Corporation
Miki YAMAMOTO
  Kansai University

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