Optical interconnections within modern high-performance computing systems

Optical technologies are ubiquitous in telecommunications networks and systems, providing multiple wavelength channels of transport at 2.5-10 Gbps data rates over single fiber-optic cables. Market pressures continue to drive the number of wavelength channels per fiber and the data rate per channel....

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Veröffentlicht in:Proceedings of the IEEE 2000-06, Vol.88 (6), p.758-763
Hauptverfasser: Lytel, R., Davidson, H.L., Nettleton, N., Sze, T.
Format: Artikel
Sprache:eng
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Zusammenfassung:Optical technologies are ubiquitous in telecommunications networks and systems, providing multiple wavelength channels of transport at 2.5-10 Gbps data rates over single fiber-optic cables. Market pressures continue to drive the number of wavelength channels per fiber and the data rate per channel. This trend will continue for many years to come as e-commerce grows and enterprises demand higher and reliable bandwidth over long distances. E-commerce, in turn, is driving the growth curves for single-processor and multiprocessor performance in data-base transaction and Web-based servers. Ironically, the insatiable taste for enterprise network bandwidth, which has driven up the volume and pushed down the price of optical components for telecommunications, is simultaneously stressing computer system bandwith-increasing the need for new interconnection schemes-and providing for the first time commercial opportunities for optical components in computer systems. This paper will center primarily on the use of optical interconnects within commercial digital computing systems, particularly workstations and servers, and will address mainly board-board interconnects within a single cabinet or box. We feel this is the most likely utilization of optics in commercial computer systems for the next decade. We will also provide a practical analysis of inter-and intrachip optical interconnects and the difficulties they face in real systems.
ISSN:0018-9219
1558-2256
DOI:10.1109/5.867689