Design and performance of a new node architecture and MAC protocol for WDM metro ring networks

Zhizhong Zhang; Fang Cheng; Qijian Mao; Shaofeng Qiu; Yunlin Zhang; Jiangtao Luo

doi:10.1117/12.567930

25 October 2004 Design and performance of a new node architecture and MAC protocol for WDM metro ring networks

Zhizhong Zhang, Fang Cheng, Qijian Mao, Shaofeng Qiu, Yunlin Zhang, Jiangtao Luo

Proceedings Volume 5596, Optical Transmission Systems and Equipment for WDM Networking III; (2004) https://doi.org/10.1117/12.567930
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Based on the scenario that the number of wavelengths may be fixed by upgrading the WDM metro ring networks, this paper proposes a novel WDM slotted-ring architecture with nodes employing one fixed transmitter and a set of fixed receivers. It presents a detailed design and analysis of node architecture and MAC protocol, which aim at guaranteeing fairness to each node and achieving efficient bandwidth utilization. The main advantages of this proposed node architecture and its corresponding MAC protocol can be summarized as: 1) Electronic buffer and process delays can be minimized as the packets will not be processed until they arrive at the destination nodes. 2) No contention will occur at the destination nodes. 3) No tunable components used. 4) No dedicated control channel used to transfer the packets. 5) Packets can be stripped by both destination and source nodes, and there is no need to perform O-E-O conversions. It is shown through theoretical analysis and simulation results how the proposed architecture and MAC protocol can achieve a good throughput, low queuing delay and reasonable packet loss probability. In the case of a large number of wavelengths, or if the number of wavelengths increases by upgrading the networks, this paper further proposes an original design method: employing one fixed transmitter and a set of tunable receivers that can only be tuned among partial continuous wavelengths, we show this method can achieve a good trade-off in terms of performance metrics such as network’s throughput, cost and implementing complexity.

Citation Download Citation

Zhizhong Zhang, Fang Cheng, Qijian Mao, Shaofeng Qiu, Yunlin Zhang, and Jiangtao Luo "Design and performance of a new node architecture and MAC protocol for WDM metro ring networks", Proc. SPIE 5596, Optical Transmission Systems and Equipment for WDM Networking III, (25 October 2004); https://doi.org/10.1117/12.567930

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KEYWORDS

Network architectures

Receivers

Wavelength division multiplexing

Transmitters

Error control coding

Switches

Computer architecture

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