OPTOBUS/sup TM/ I: performance of a 4 Gb/s optical interconnect

Schwartz, D.; Chun, C.K.Y.; Choi, Nakwon; Diaz, D.; Planer, S.; Raskin, Glenn; Shook, S.G.

doi:10.1109/mppoi.1996.559108

Cited by 13 publications

(4 citation statements)

References 5 publications

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“…5 Since the data stream passing a node in the ring network is, at least, passing a pipeline register, the channel-to-channel skew is not accumulated over several nodes. The limited distance between two adjacent nodes, due to skew, is of the same order of magnitude as current LANs ͑a few hundred meters͒.…”

Section: Implementation Aspectsmentioning

confidence: 99%

Two fiber-ribbon ring networks for parallel and distributed computing systems

Jönsson

1998

Opt. Eng

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Abstract. Ring networks made of fiber-ribbon point-to-point links are proposed. The first network is a control-channel based network in which one fiber in each link joins with others to form a control-channel ring. This ring improves performance of the network by sending medium access control information immediately before the data transmissions. High throughputs can be achieved in the network due to pipelining, i.e., several packets can travel through the network simultaneously but in different segments of the ring. The network can meet tough performance demands in, e.g., massively parallel signal processing systems, which is shown by example. Also, real-time demands can be met using slot reserving. The network, called CC-FPR (control-channel based fiberribbon pipeline ring), can be built today using off-the-shelf fiber optic components. The increasingly good price/performance ratio for fiberribbon links indicates a high potential for the success of the proposed kind of networks; a prototype is currently under development. The second network is similar to first except that it divides the network into two subnetworks, one for packet-switched traffic and one for circuit-switched traffic. When the main data flow in the network does not change rapidly, this is a good choice for a simple but powerful network.

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Section: Implementation Aspectsmentioning

confidence: 99%

Two fiber-ribbon ring networks for parallel and distributed computing systems

Jönsson

1998

Opt. Eng

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“…13 The eye pattern from a single channel of an OPTOBUS link at 400 Mbits/s shows that away from the eye crossing the bit error rate is extremely low under normal operating conditions. Hence, the link is characterized in terms of its timing accuracy.…”

Section: System Performancesmentioning

confidence: 99%

Vertical cavity surface emitting laser-based parallel optical data link

et al. 1998

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Vertical cavity surface emitting laser (VCSEL) arrays are designed and used for 10-channel parallel optical data links, OPTOBUS™, to transmit data at a speed of up to 800 Mbits/s per channel. The interface between the VCSELs and the optical fiber ribbons is based on molded plastic waveguide technology. A bit error rate of 10 Ϫ15 is demonstrated. Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 05/15/2015 Terms of Use: http://spiedl.org/terms

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“…As an example of an early commercial link, the Motorola OPTOBUS has ten parallel fibers, each carrying data at a bit rate of 400 Mbit/s, which gives an aggregated bandwidth of 4 Gbit/s [18]. Bi-directional links are also possible, where some fibers in the fiber-ribbon cables are dedicated for each direction [19].…”

Section: Fiber-ribbon Linksmentioning

confidence: 99%

“…The skew is mainly the result of differences in propagation delay between different fibers and variations of lasing delay time among different laser diodes [21]. The 400 Mbit/s OPTOBUS has a specified maximum skew of 200 ps, excluding the fiber-ribbon cable for which 6 ps/m is assumed for standard ribbons [18]. Even though the distances are rather short in the systems discussed in this paper, the scaling to higher speeds calls for a discussion of techniques to reduce the effect of the skew.…”

Section: Fiber-ribbon Linksmentioning

confidence: 99%

Optical interconnection technology in switches, routers and optical cross connects

Jönsson

Proceedings International Conference on Parallel Processing Workshops

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OPTOBUS/sup TM/ I: performance of a 4 Gb/s optical interconnect

Cited by 13 publications

References 5 publications

Two fiber-ribbon ring networks for parallel and distributed computing systems

Two fiber-ribbon ring networks for parallel and distributed computing systems

Vertical cavity surface emitting laser-based parallel optical data link

Optical interconnection technology in switches, routers and optical cross connects

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