Comparison of optical and electrical links for highly-interconnected systems

James Kruchowski, Vladimir Sokolov, Nathan E. Harff, Mark A. Nelson, K. Y. Liou, Graham Cameron, Barry Kent Gilbert, Erik S. Daniel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

As data rates for multi-gigabit serial interfaces within multi-node compute systems approach and exceed 10 Gigabits per second (Gbps), board-to-board and chip-to-chip optical signaling solutions become more attractive, particularly for longer (e.g. 50-100 cm) links. The transition to optical signaling will potentially allow new high performance compute (HPC) system architectures that benefit from characteristics unique to optical links. To examine these characteristics, we built and tested several optical demonstration vehicles; one based on dense wavelength division multiplexing (DWDM), and others based on multiple point-to-point links carried across multimode fibers. All test vehicles were constructed to evaluate applicability to a multi-node compute system. Test results, combined with data from recent research efforts are summarized and compared to equivalent electrical links and the advantages and design characteristics unique to optical signaling are identified.

Original languageEnglish (US)
Title of host publicationDesignCon 2011
Pages2266-2290
Number of pages25
Volume3
StatePublished - 2011
EventDesignCon 2011 - Santa Clara, CA, United States
Duration: Jan 31 2011Feb 3 2011

Other

OtherDesignCon 2011
CountryUnited States
CitySanta Clara, CA
Period1/31/112/3/11

Fingerprint

Large scale systems
Dense wavelength division multiplexing
Multimode fibers
Optical links
Demonstrations

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Kruchowski, J., Sokolov, V., Harff, N. E., Nelson, M. A., Liou, K. Y., Cameron, G., ... Daniel, E. S. (2011). Comparison of optical and electrical links for highly-interconnected systems. In DesignCon 2011 (Vol. 3, pp. 2266-2290)

Comparison of optical and electrical links for highly-interconnected systems. / Kruchowski, James; Sokolov, Vladimir; Harff, Nathan E.; Nelson, Mark A.; Liou, K. Y.; Cameron, Graham; Gilbert, Barry Kent; Daniel, Erik S.

DesignCon 2011. Vol. 3 2011. p. 2266-2290.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kruchowski, J, Sokolov, V, Harff, NE, Nelson, MA, Liou, KY, Cameron, G, Gilbert, BK & Daniel, ES 2011, Comparison of optical and electrical links for highly-interconnected systems. in DesignCon 2011. vol. 3, pp. 2266-2290, DesignCon 2011, Santa Clara, CA, United States, 1/31/11.
Kruchowski J, Sokolov V, Harff NE, Nelson MA, Liou KY, Cameron G et al. Comparison of optical and electrical links for highly-interconnected systems. In DesignCon 2011. Vol. 3. 2011. p. 2266-2290
Kruchowski, James ; Sokolov, Vladimir ; Harff, Nathan E. ; Nelson, Mark A. ; Liou, K. Y. ; Cameron, Graham ; Gilbert, Barry Kent ; Daniel, Erik S. / Comparison of optical and electrical links for highly-interconnected systems. DesignCon 2011. Vol. 3 2011. pp. 2266-2290
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