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FlexLoop: A Distributed Scheduling Strategy for AWGR-Based Optical Networks

delete2026-05-01
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PRE
AI
Z
Zhaoxing Zhou
H
Huaxi Gu *
X
Xiaoshan Yu
Y
Yunhao Wang
DOI:10.1109/TC.2026.3667010delete
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摘要

摘要

En 中文
基于阵列波导光栅路由器(AWGR)的光网络具有低延迟、高带宽和低功耗等显著优势。然而,解决AWGR相关的争用问题已成为实际部署中的主要关注点。以往研究主要采用集中式控制方法应对这一挑战,但其可扩展性有限。此外,分布式时隙策略虽已实施,但固定时隙配置可能导致性能下降。为有效克服这些挑战,我们提出了一种名为FlexLoop的分布式调度策略。授权由接收节点发出,并通过软件定义网络(SDN)交换机在发送节点之间传递。持有授权的节点被允许将一批数据传输至指定节点。每个接收节点均可自主通过SDN交换机配置定义授权传递规则,同时每个发送节点保留灵活选择使用授权传输数据或转发给其他节点的权利。因此,FlexLoop以完全分布式方式运行,并能适应各种流量模式。实验结果表明,与NegotiaToR相比,FlexLoop可将数据包延迟降低最高达92.01%,吞吐量提升最高达77.09%。此外,已开发原型系统,验证了FlexLoop实现的实践可行性。
Keyword:
Optical switches
Optical fiber networks
Authorization
Switching circuits
Optical waveguides
Decentralized control
Peer-to-peer computing
Optical receivers
Artificial intelligence
Low latency communication
Arrayed waveguide grating router
optical interconnections
distributed control strategy
contention avoidance

期刊

IEEE Transactions on Computers 封面图
IEEE Transactions on Computers
IF:
3.8
论文数:
5.4K
被引数:
9.8K

机构

X
xidian university
学者数:
6.6K
论文数: 2.2K
被引数: 0
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