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| Presentation | 2011-06-24 14:10 Hierarchical Optical Cross-Connect Node Architecture Considering Grooming Ratio Restriction Ryosuke Hirako, Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato (Nagoya Univ.), Hiroshi Takahashi (NTT), Masayuki Okuno (NTT Electronics)  PN2011-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In order to cope with the further traffic expansion due to the introduction of future broadband services such as IP-TV/VoD, hierarchical optical path networks that utilize waveband paths, groups of multiple wavelength paths, have been investigated. It was shown that node switch scale of the hierarchical optical path network node (Hierarchical Optical Cross-Connect: HOXC) can significantly be reduced when the grooming ratio, the ratio of number of groomed waveband paths to that of all incoming/outgoing waveband paths, is restricted [S. Kakehashi et al., 2008]. A recent work [L. H. Chau et al., 2008] elucidates that network with colorless grooming ratio restriction, which defines grooming ratio regardless of the waveband index, can offer high efficiency of path utilization by utilizing a new effective design algorithm. In this paper, we develop a novel matrix-switch-based HOXC architecture and wavelength MUX/DMUX that implement the colorless grooming ratio restriction. Numerical evaluations demonstrate that our proposed HOXC can significantly reduce node switch scale compared not only to the single-layer optical path network node (single-layer OXC) but also the conventional HOXC node that offers the same restriction. We also developed a prototype system of the proposed HOXC node and performed transmission experiments to verify its good transmission characteristics. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Hierarchical Optical Cross-Connect Node / Waveband / Grooming Ratio Restriction / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 93, PN2011-11, pp. 55-60, June 2011. | |
| Paper # | PN2011-11 | |
| Date of Issue | 2011-06-16 (PN) | |
| ISSN | Print edition: ISSN 0913-5685 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 | PN2011-11 |
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| Conference Information | |
| Committee | PN OCS NS |
| Conference Date | 2011-06-23 - 2011-06-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Wakayama University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Core/metro system, Photonic network system, Optical network operation and administration, Optical network design, Traffic engineering, Signaling, GMPLS, Inter-domain route control, Network monitoring, Ethernet, Optical transport network(OTN), High-speed interface, Optical control(wavelength conversion/switching/routing), optical node technology, Optical crossconnect(OXC), Optical add/drop multiplexer(OADM), Optical multipxing/demultiplexing equipment, Optical signal processing, Optical swtiching device, etc |
| Paper Information | |
| Registration To | PN |
| Conference Code | 2011-06-PN-OCS-NS |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Hierarchical Optical Cross-Connect Node Architecture Considering Grooming Ratio Restriction |
| Sub Title (in English) | |
| Keyword(1) | Hierarchical Optical Cross-Connect Node |
| Keyword(2) | Waveband |
| Keyword(3) | Grooming Ratio Restriction |
| Keyword(4) | |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Ryosuke Hirako |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Kiyo Ishii |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Hiroshi Hasegawa |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 4th Author's Name | Ken-ichi Sato |
| 4th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 5th Author's Name | Hiroshi Takahashi |
| 5th Author's Affiliation | NTT Corporation (NTT) |
| 6th Author's Name | Masayuki Okuno |
| 6th Author's Affiliation | NTT Electronics Corporation (NTT Electronics) |
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| Speaker | Author-1 |
| Date Time | 2011-06-24 14:10:00 |
| Presentation Time | 25 minutes |
| Registration for | PN |
| Paper # | PN2011-11 |
| Volume (vol) | vol.111 |
| Number (no) | no.93 |
| Page | pp.55-60 |
| #Pages | 6 |
| Date of Issue | 2011-06-16 (PN) |
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