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An Efficient and Deadlock-Free Network Reconfiguration Protocol
June 2008 (vol. 57 no. 6)
pp. 762-779
ASCII Text
x 
 
Olav Lysne, Jose Miguel Montanana, Jose Flich, Jose Duato, Timothy Mark Pinkston, Tor Skeie, "An Efficient and Deadlock-Free Network Reconfiguration Protocol," IEEE Transactions on Computers, vol. 57, no. 6, pp. 762-779, June, 2008.
 
 
BibTex
x
 
@article{ 10.1109/TC.2008.31,
author = {Olav Lysne and Jose Miguel Montanana and Jose Flich and Jose Duato and Timothy Mark Pinkston and Tor Skeie},
title = {An Efficient and Deadlock-Free Network Reconfiguration Protocol},
journal ={IEEE Transactions on Computers},
volume = {57},
number = {6},
issn = {0018-9340},
year = {2008},
pages = {762-779},
doi = {http://doi.ieeecomputersociety.org/10.1109/TC.2008.31},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Computers
TI - An Efficient and Deadlock-Free Network Reconfiguration Protocol
IS - 6
SN - 0018-9340
SP762
EP779
EPD - 762-779
A1 - Olav Lysne,
A1 - Jose Miguel Montanana,
A1 - Jose Flich,
A1 - Jose Duato,
A1 - Timothy Mark Pinkston,
A1 - Tor Skeie,
PY - 2008
KW - Interconnections (Subsystems)
KW - I/O and Data Communications
KW - Topology
VL - 57
JA - IEEE Transactions on Computers
ER -
 
Component failures and planned component replacements cause changes in the topology and routing paths supplied by the interconnection network of a parallel processor system over time. Such changes may require the network to be reconfigured such that the existing routing function is replaced by one which enables packets to reach their intended destinations amid the changes. Efficient reconfiguration methods are desired that allow the network to function uninterruptedly over the course of the reconfiguration process while remaining free from deadlocking behavior. In this paper, we propose, evaluate, and prove deadlock freedom of a new network reconfiguration protocol that overlaps various phases of "static" reconfiguration processes traditionally used in commercial and research systems to provide performance efficiency on par with that of recently proposed "dynamic" reconfiguration processes, but without their complexity. Simulation results show that the proposed Overlapping Static Reconfiguration protocol can reduce reconfiguration time by up to 50%, reduce packet latency by several orders of magnitude, reduce packet dropping by an order of magnitude, and provide unhalted packet injection as compared to traditional static reconfiguration while allowing network throughput similar to dynamic reconfiguration.

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Index Terms:
Interconnections (Subsystems), I/O and Data Communications, Topology
Citation:
Olav Lysne, Jose Miguel Montanana, Jose Flich, Jose Duato, Timothy Mark Pinkston, Tor Skeie, "An Efficient and Deadlock-Free Network Reconfiguration Protocol," IEEE Transactions on Computers, vol. 57, no. 6, pp. 762-779, June 2008, doi:10.1109/TC.2008.31
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