Photonic fast packet switching

Jajszczyk, Andrzej; Mouftah, H.T.

doi:10.1109/35.186362

Cited by 28 publications

(11 citation statements)

References 20 publications

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“…Di~iision M~~ltiplezimj technique and a passive star topology havc been extensively st,~~tlied [3]. Because tlic nurribcr of uscrs is generally very rmich larger tlia11 the riurnber of channels, network random access protocol.…”

Section: Multi-channel Local Area Network (M-lax) Based On the Wavelmentioning

confidence: 99%

Performance analysis of slotted aloha protocol for optical fiber local area networks with star topology

Ahmed

Yeap

1995

Stochastic Analysis and Applications

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In [I, 21 the present authors initiated the development of dynamic models for optical fiber local area networks. This is a major departure fro111 the traditional approach of communication engineers who are used t,o steady state analysis based on queueing network theory. Here in this paper, theoretical analysis of the proposed model for a passive star coupler based on the S1ott)ed ALOHAIALOHA prot,ocol for optical fiber local area networks is presented. The input. ~neasured in terms of t,he riumber of user requests in each t,inie slot,, is rnodelect as a Poissori random process with time varying mean intensity thereby allowing time varying data traffic which closely models the real physical data flow. In contrast the tradkional approach which uses a mean data traffic fails to capture t,he true dynamic nature of the system. Simulat,ion and theoretical results are compared and they rnatrh well.

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Section: Multi-channel Local Area Network (M-lax) Based On the Wavelmentioning

confidence: 99%

Performance analysis of slotted aloha protocol for optical fiber local area networks with star topology

Ahmed

Yeap

1995

Stochastic Analysis and Applications

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“…Here we prefer to put them into two groups, namely, tablebased routing and self-routing. 4 The first class covers most of the traditional approaches that have been applied to many slow networks, including shortest path routing and optimal routing. Aside from other problems, as convergence delays proportional to the network diameter and susceptibility to oscillations, these algorithms are computationally expensive and require a substantial amount of bookkeeping and periodic transmission of status information among the nodes.…”

Section: Routing Protocolsmentioning

confidence: 99%

“…When there are no buffers at all, purely photonic switching becomes feasible, and E/O and O/E (electronic-to-optic and opticto-electronic) conversions can be avoided. However, the photonic switching technology is still in its infancy and for the time being is not a practical alternative to its electronic counterpart (see [4]).…”

Section: Routing Protocolsmentioning

confidence: 99%

Routing in multihop packet switching networks: Gb/s challenge

1995

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The authors survey networking solutions that have been proposed for high-speed packet-switched applications. Using these solutions as examples, they identify the specific problems resulting from very high transmission rates and explain how these problems influence the design of high-speed networks and protocols. They conclude that the solutions based on deflection routing are the most promising ones and suggest a number of directions for their evolution.

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“…(2). For a N x N Hadamard matrix, N -1 subscribers can be accomodated since the codeword containing all 1's has to be rejected.…”

Section: B) Hadamard Codesmentioning

confidence: 99%

“…It is expected that the bottleneck of large capacity switching systems made up of electronic components will arise first in the interconnection of modules or boards. Optical interconnects with self-routing capacity is an efficient solution to this problem [2]. Switch architectures that combine the strength of electronics for contention resolution and buffering, and the strength of optics for routing and signal transmission are therefore suitable.…”

Section: Introductionmentioning

confidence: 99%

Optical CDMA by spectral encoding of LED for ultrafast ATM switching

Zaccarin

Kavehrad

Proceedings of ICC/SUPERCOMM'94 - 1994 International Conference on Communications

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In this paper we propose a new optical routing technique based on amplitude spectral encoding of low-cost broadband sources such as Light-Emitting-Diodes (LEDs). The proposed system uses a standard nondispersive lensgrating apparatus, and simple direct-detection receivers. Suitable codes that can allow complete orthogonality between the users are given. Practical considerations are discussed. Application to ATM switching using optical interconnect is studied, in terms of switch capacity. Performance calculations are performed. It is shown that a switch throughput of 840Gbitls and 720Gbitls can be obtained respectively for Pe = lo-' and Pe =

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Photonic fast packet switching

Cited by 28 publications

References 20 publications

Performance analysis of slotted aloha protocol for optical fiber local area networks with star topology

Performance analysis of slotted aloha protocol for optical fiber local area networks with star topology

Routing in multihop packet switching networks: Gb/s challenge

Optical CDMA by spectral encoding of LED for ultrafast ATM switching

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