Presentation 2015-11-17
Redundancy design of optical transport network considering failure impact and deployed volume for each components
Hiroshi Yamamoto, Hiroki Date, Shohei Kamamura, Rie Hayashi, Takahumi Hamano, Kouichi Genda, Yoshihiko Uematsu,
PDF Download Page PDF download Page Link
Abstract(in Japanese) (See Japanese page)
Abstract(in English) The transport network consists of various types of components, which differ in the amount of accommodated traffic, the reliability, and the number of deployed components. Thus, it is essential for redundancy design of transport networks to select the suitable method, and adjust the degree of redundancy and maintenance condition considering the unavailability determined by the deployed number for each type of component. However, conventional designs have considered just link and node failure, and haven’t taken into account the failure for each component. In this paper, we analyze the potential of relaxation of maintenance condition by evaluating relationship between the amount of backup resource deployed in network and the end-to-end reliability of paths focusing on the failure for each component. As a result, we found that only quite small amount of backup resource is required to prevent impairment of redundancy even after occurrence of failure, if we are required to prepare only the failure of a transponder, of which the number deployed in network is quite huge.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Optical Transport Network / Redundancy Design / Reliability Evaluation / JPN48
Paper # PN2015-25
Date of Issue 2015-11-10 (PN)

Conference Information
Committee PN
Conference Date 2015/11/17(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Japan Women's Univ.
Topics (in Japanese) (See Japanese page)
Topics (in English) Elastic Optical Networks, Flexible Networks, Optical Network Control/Protocol, Transport SDN, IP Backbone, SDM, Mode Division Multiplexing, Photonic Network Devices, JPN Model, EXAT, etc.
Chair Eiji Oki(Univ. of Electro-Comm.)
Vice Chair Hiroshi Hasegawa(Nagoya Univ.) / Takehiro Tsuritani(KDDI Labs.) / Haruki Ogoshi(Furukawa Electric)
Secretary Hiroshi Hasegawa(NICT) / Takehiro Tsuritani(Osaka Univ.) / Haruki Ogoshi
Assistant Masahiro Nakagawa(NTT)

Paper Information
Registration To Technical Committee on Photonic Network
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Redundancy design of optical transport network considering failure impact and deployed volume for each components
Sub Title (in English)
Keyword(1) Optical Transport Network
Keyword(2) Redundancy Design
Keyword(3) Reliability Evaluation
Keyword(4) JPN48
1st Author's Name Hiroshi Yamamoto
1st Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
2nd Author's Name Hiroki Date
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
3rd Author's Name Shohei Kamamura
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
4th Author's Name Rie Hayashi
4th Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
5th Author's Name Takahumi Hamano
5th Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
6th Author's Name Kouichi Genda
6th Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
7th Author's Name Yoshihiko Uematsu
7th Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
Date 2015-11-17
Paper # PN2015-25
Volume (vol) vol.115
Number (no) PN-312
Page pp.pp.15-18(PN),
#Pages 4
Date of Issue 2015-11-10 (PN)