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IEICE TRANSACTIONS on Information

Traffic-Independent Multi-Path Routing for High-Throughput Data Center Networks

Ryuta KAWANO, Ryota YASUDO, Hiroki MATSUTANI, Michihiro KOIBUCHI, Hideharu AMANO

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Summary :

Network throughput has become an important issue for big-data analysis on Warehouse-Scale Computing (WSC) systems. It has been reported that randomly-connected inter-switch networks can enlarge the network throughput. For irregular networks, a multi-path routing method called k-shortest path routing is conventionally utilized. However, it cannot efficiently exploit longer-than-shortest paths that would be detour paths to avoid bottlenecks. In this work, a novel routing method called k-optimized path routing to achieve high throughput is proposed for irregular networks. We introduce a heuristic to select detour paths that can avoid bottlenecks in the network to improve the average-case network throughput. Experimental results by network simulation show that the proposed k-optimized path routing can improve the saturation throughput by up to 18.2% compared to the conventional k-shortest path routing. Moreover, it can reduce the computation time required for optimization to 1/2760 at a minimum compared to our previously proposed method.

Publication
IEICE TRANSACTIONS on Information Vol.E103-D No.12 pp.2471-2479
Publication Date
2020/12/01
Publicized
2020/08/06
Online ISSN
1745-1361
DOI
10.1587/transinf.2020PAP0005
Type of Manuscript
Special Section PAPER (Special Section on Parallel, Distributed, and Reconfigurable Computing, and Networking)
Category
Computer System

Authors

Ryuta KAWANO
  Japan Advanced Institute of Science and Technology
Ryota YASUDO
  Hiroshima University
Hiroki MATSUTANI
  Keio University
Michihiro KOIBUCHI
  National Institute of Informatics
Hideharu AMANO
  Keio University

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