NDLI: A Network Configuration Algorithm Based on Optimization of Kirchhoff Index

Content Provider	IEEE Xplore Digital Library
Author	Hackett, A. Ajwani, D. Ali, S. Kirkland, S. Morrison, J.P.
Copyright Year	2013
Description	Author affiliation: Dublin R&D Lab., Exascale Syst. Group, IBM, Dublin, Ireland (Ali, S.) \|\| Hamilton Inst., Nat. Univ. of Ireland Maynooth, Maynooth, Ireland (Hackett, A.; Kirkland, S.) \|\| Centre for Unified Comput., Univ. Coll. Cork, Cork, Ireland (Ajwani, D.; Morrison, J.P.)
Abstract	Traditionally, a parallel application is partitioned, mapped and then routed on a network of compute nodes where the topology of the interconnection network is fixed and known beforehand. Such a topology often comes with redundant links to accommodate the communication patterns of a wide range of applications. With recent advances in technology for optical circuit switches, it is now possible to construct a network with much fewer links, and to make the link endpoints configurable to suit the communication pattern of a given application. While this is economical (saving both links and the power to run them), it raises the difficult problem of how to configure the network and how to reconfigure it quickly when the application's communication pattern changes. In this paper, we propose the Kirchhoff index (KI) of a certain weighted graph related to the interconnection network as a proxy for its communication throughput. Our usage of this metric is based on a theoretical analogy between resistances in an electrical network and communication loads in the interconnection network. We show how mathematical techniques for reducing KI can be used to configure a network in a dramatically shorter time as compared to the current state-of-the-art scheme.
Sponsorship	IEEE Comput. Soc.
Starting Page	407
Ending Page	417
File Size	261695
Page Count	11
File Format	PDF
ISBN	9781467360661
ISSN	15302075
DOI	10.1109/IPDPS.2013.116
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Topology Throughput Indexes Network topology Optical switches Routing Integrated circuit interconnections Kirchhoff index Graph partitioning algorithm Reconfigurable topology Optical circuit switch
Content Type	Text
Resource Type	Article

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