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Using a Multipath Network for Reducing the Effects of Hot Spots
March 1995 (vol. 6 no. 3)
pp. 252-268
ASCII Text
x 
 
Mu-Cheng Wang, Howard Jay Siegel, Mark A. Nichols, Seth Abraham, "Using a Multipath Network for Reducing the Effects of Hot Spots," IEEE Transactions on Parallel and Distributed Systems, vol. 6, no. 3, pp. 252-268, March, 1995.
 
 
BibTex
x
 
@article{ 10.1109/71.372775,
author = {Mu-Cheng Wang and Howard Jay Siegel and Mark A. Nichols and Seth Abraham},
title = {Using a Multipath Network for Reducing the Effects of Hot Spots},
journal ={IEEE Transactions on Parallel and Distributed Systems},
volume = {6},
number = {3},
issn = {1045-9219},
year = {1995},
pages = {252-268},
doi = {http://doi.ieeecomputersociety.org/10.1109/71.372775},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Parallel and Distributed Systems
TI - Using a Multipath Network for Reducing the Effects of Hot Spots
IS - 3
SN - 1045-9219
SP252
EP268
EPD - 252-268
A1 - Mu-Cheng Wang,
A1 - Howard Jay Siegel,
A1 - Mark A. Nichols,
A1 - Seth Abraham,
PY - 1995
VL - 6
JA - IEEE Transactions on Parallel and Distributed Systems
ER -
 

Abstract—One type of interconnection network for a medium to large-scale parallel processing system (i.e., a system with $2^6$ to $2^{16}$ processors) is a buffered packet-switched multistage interconnection network (MIN). It has been shown that the performance of these networks is satisfactory for uniform network traffic. More recently, several studies have indicated that the performance of MIN's is degraded significantly when there is hot spot traffic, that is, a large fraction of the messages are routed to one particular destination. A multipath MIN is a MIN with two or more paths between all source and destination pairs. This research investigates how the Extra Stage Cube multipath MIN can reduce the detrimental effects of tree saturation caused by hot spots. Simulation is used to evaluate the performance of the proposed approaches. The objective of this evaluation is to show that, under certain conditions, the performance of the network with the usual routing scheme is severely degraded by the presence of hot spots. With the proposed approaches, although the delay time of hot spot traffic may be increased, the performance of the background traffic, which constitutes the majority of the network traffic, can be significantly improved.

Index Terms—Extra stage cube; hot spot; interconnection network; multistage interconnection network; parallel processing.

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Citation:
Mu-Cheng Wang, Howard Jay Siegel, Mark A. Nichols, Seth Abraham, "Using a Multipath Network for Reducing the Effects of Hot Spots," IEEE Transactions on Parallel and Distributed Systems, vol. 6, no. 3, pp. 252-268, March 1995, doi:10.1109/71.372775
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