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An Optimization Algorithm to Build Low Congestion Multi-Ring Topology for Optical Network-on-Chip
Lijing ZHU Kun WANG Duan ZHOU Liangkai LIU Huaxi GU
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2018/07/01
Online ISSN: 1745-1361
Type of Manuscript: PAPER
Category: Fundamentals of Information Systems
optical interconnect, NoC, architecture, congestion,
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Ring-based topology is popular for optical network-on-chip. However, the network congestion is serious for ring topology, especially when optical circuit-switching is employed. In this paper, we proposed an algorithm to build a low congestion multi-ring architecture for optical network-on-chip without additional wavelength or scheduling overhead. A network congestion model is established with new network congestion factor defined. An algorithm is developed to optimize the low congestion multi-ring topology. Finally, a case study is shown and the simulation results by OPNET verify the superiority over the traditional ONoC architecture.