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Multiple-Access Optical Network Architecture Employing a Wavelength-and-Network-Division Technique: MANDALA
Takao MATSUMOTO Hideki ISHIO
IEICE TRANSACTIONS on Communications
Publication Date: 1999/09/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Optical Communication
optical network, network architecture, WDM, LAN, protocol,
Full Text: PDF(282.9KB)>>
A novel multiple-access optical network architecture is presented that not only employs the WDM technique but also divides networks. The subnetworks are connected to each other via a wavelength-dependent interconnection network, and pairs of subnetworks are optically linked with different combinations for each wavelength. Through an analysis of the throughput and delay for the slotted ALOHA protocol, the architecture is confirmed to be improved from the conventional one that employs only the WDM technique. For example, the improvement ratio of the throughput for a four-wavelength network is 2.4, and that for an eight-wavelength network is 4.4.