RookNet: A Rearrangeable Optical Network with High Speed Relay Processing

Masayuki KASHIMA; Ryouichi WATANABE; Ryouhei KONUMA; Hiroshi INOUE; Yoshikatsu SHIRAISHI

RookNet: A Rearrangeable Optical Network with High Speed Relay Processing

Masayuki KASHIMA, Ryouichi WATANABE, Ryouhei KONUMA, Hiroshi INOUE, Yoshikatsu SHIRAISHI

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Various approaches on optical network systems using wavelength-division multiplexing (WDM) technique have been proposed. It is difficult to make a scale of WDM network larger since a number of the optical wavelength which can be used is limited. In order to make easily larger scale of network, multi-hop WDM network have been proposed. We have studied 2-hop network: RookNet which has simple routing algorithm and high network throughput. Nodes in RookNet are divided into row groups and column groups and are placed in a mesh form. Packets are transferred between nodes over 1-hop or 2-hops. The 2-hop transfer means that a source node sends packets to a destination node via a relay node. When 2-hop traffic increases, relay processing time in a relay node is increasing. This is the reason that network throughput becomes low. To solve this problem is very important. In this paper, we show RookNet rearrangement algorithm which replaces location of node within group so as to decrease the 2-hop traffic and to maintain high network throughput. Proposed rearrangement algorithm can achieve improvement of 10 percent in terms of throughput. We also propose RookNet configuration which discriminates optical wavelength and subcarrier effectively in order to decrease the relay processing time.

Publication: IEICE TRANSACTIONS on Communications Vol.E78-B No.5 pp.679-685

Publication Date: 1995/05/25

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Type of Manuscript: Special Section PAPER (Special Issue on Optical Signal Processing and Its Applications to Telecommunications)

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Masayuki KASHIMA, Ryouichi WATANABE, Ryouhei KONUMA, Hiroshi INOUE, Yoshikatsu SHIRAISHI, "RookNet: A Rearrangeable Optical Network with High Speed Relay Processing" in IEICE TRANSACTIONS on Communications, vol. E78-B, no. 5, pp. 679-685, May 1995, doi: .
Abstract: Various approaches on optical network systems using wavelength-division multiplexing (WDM) technique have been proposed. It is difficult to make a scale of WDM network larger since a number of the optical wavelength which can be used is limited. In order to make easily larger scale of network, multi-hop WDM network have been proposed. We have studied 2-hop network: RookNet which has simple routing algorithm and high network throughput. Nodes in RookNet are divided into row groups and column groups and are placed in a mesh form. Packets are transferred between nodes over 1-hop or 2-hops. The 2-hop transfer means that a source node sends packets to a destination node via a relay node. When 2-hop traffic increases, relay processing time in a relay node is increasing. This is the reason that network throughput becomes low. To solve this problem is very important. In this paper, we show RookNet rearrangement algorithm which replaces location of node within group so as to decrease the 2-hop traffic and to maintain high network throughput. Proposed rearrangement algorithm can achieve improvement of 10 percent in terms of throughput. We also propose RookNet configuration which discriminates optical wavelength and subcarrier effectively in order to decrease the relay processing time.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/e78-b_5_679/_p

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@ARTICLE{e78-b_5_679,
author={Masayuki KASHIMA, Ryouichi WATANABE, Ryouhei KONUMA, Hiroshi INOUE, Yoshikatsu SHIRAISHI, },
journal={IEICE TRANSACTIONS on Communications},
title={RookNet: A Rearrangeable Optical Network with High Speed Relay Processing},
year={1995},
volume={E78-B},
number={5},
pages={679-685},
abstract={Various approaches on optical network systems using wavelength-division multiplexing (WDM) technique have been proposed. It is difficult to make a scale of WDM network larger since a number of the optical wavelength which can be used is limited. In order to make easily larger scale of network, multi-hop WDM network have been proposed. We have studied 2-hop network: RookNet which has simple routing algorithm and high network throughput. Nodes in RookNet are divided into row groups and column groups and are placed in a mesh form. Packets are transferred between nodes over 1-hop or 2-hops. The 2-hop transfer means that a source node sends packets to a destination node via a relay node. When 2-hop traffic increases, relay processing time in a relay node is increasing. This is the reason that network throughput becomes low. To solve this problem is very important. In this paper, we show RookNet rearrangement algorithm which replaces location of node within group so as to decrease the 2-hop traffic and to maintain high network throughput. Proposed rearrangement algorithm can achieve improvement of 10 percent in terms of throughput. We also propose RookNet configuration which discriminates optical wavelength and subcarrier effectively in order to decrease the relay processing time.},
keywords={},
doi={},
ISSN={},
month={May},}

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TY - JOUR
TI - RookNet: A Rearrangeable Optical Network with High Speed Relay Processing
T2 - IEICE TRANSACTIONS on Communications
SP - 679
EP - 685
AU - Masayuki KASHIMA
AU - Ryouichi WATANABE
AU - Ryouhei KONUMA
AU - Hiroshi INOUE
AU - Yoshikatsu SHIRAISHI
PY - 1995
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E78-B
IS - 5
JA - IEICE TRANSACTIONS on Communications
Y1 - May 1995
AB - Various approaches on optical network systems using wavelength-division multiplexing (WDM) technique have been proposed. It is difficult to make a scale of WDM network larger since a number of the optical wavelength which can be used is limited. In order to make easily larger scale of network, multi-hop WDM network have been proposed. We have studied 2-hop network: RookNet which has simple routing algorithm and high network throughput. Nodes in RookNet are divided into row groups and column groups and are placed in a mesh form. Packets are transferred between nodes over 1-hop or 2-hops. The 2-hop transfer means that a source node sends packets to a destination node via a relay node. When 2-hop traffic increases, relay processing time in a relay node is increasing. This is the reason that network throughput becomes low. To solve this problem is very important. In this paper, we show RookNet rearrangement algorithm which replaces location of node within group so as to decrease the 2-hop traffic and to maintain high network throughput. Proposed rearrangement algorithm can achieve improvement of 10 percent in terms of throughput. We also propose RookNet configuration which discriminates optical wavelength and subcarrier effectively in order to decrease the relay processing time.
ER -