An effective buffering architecture for optical packet switching networks

Wang, Ruyan; Zhang, Jie; Guo, Fang; Long, Keping

doi:10.1007/s11107-008-0135-0

Cited by 6 publications

(2 citation statements)

References 4 publications

(4 reference statements)

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“…The dedicated output FDL buffer can greatly improve OPS performance with significant number of FDLs as well as larger switch dimension. In each output port, the FDL is in segmented share output buffering mode, where each segment of fiber delay lines has two input ports [3]. The OPS architectures based-on shared FDL include: shared output buffer-type packet switching and shared feedback buffer-type packet switching [3].…”

Section: Introductionmentioning

confidence: 99%

Optical Packet Switching Architecture based on Traffic Load Selective FDL Buffer Mode

Liu¹,

Xie²,

Pang³

et al. 2010

Journal of Optical Communications

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Contention resolution is one of the key issues for optical packet switching (OPS). An all optical fiber delay line (FDL) shared buffering architecture based on traffic load selective FDL buffer mode was brought forward to resolve the optical packet time contention. This traffic load selective FDL buffering architecture worked as expanded output shared buffer when the traffic load of incoming OPS input port is light. When the incoming traffic load is heavy, the proposed buffering architecture worked as feedback shared buffer to allow contended packet reenter the fiber delay line to reduce packet discarded. The analysis and simulation results show that the proposed FDL buffer architecture can decrease OPS node optical packet loss probability effectively and reduce required FDL number largely.

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Section: Introductionmentioning

confidence: 99%

Optical Packet Switching Architecture based on Traffic Load Selective FDL Buffer Mode

Liu¹,

Xie²,

Pang³

et al. 2010

Journal of Optical Communications

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show abstract

“…As a result, new optical routers exploiting the alloptical data manipulation and contention resolution schemes are needed [11,12]. In this study, an optical router with multistage distributed management and all-optical scalability features for the asynchronous OPS network is presented.…”

mentioning

confidence: 99%

An optical router with multistage management functions for asynchronous optical packet switching network

Zhao

Sun

2010

Photon Netw Commun

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An optical router with multistage distributed management features for the asynchronous optical packet switching (OPS) network is presented, which can improve switching capacity and all-optical scalability. A compact recycling-fiber-delay-line (Rec-FDL) based collision resolution mechanism is proposed to resolve the contentions for asynchronous and variable length optical packets. The analysis models of stabilities, packet loss rates (PLR) and average packet waiting latencies (PWL) for the router are developed based on the timer based optical packet assembly algorithm. The simulation shows that PLR and PWL for a 400-byte optical packet transmitted in the 32 wavelengths dense wavelength division multiplexing (DWDM) system equal to 3.48 × 10 −4 and 0.072 ns, respectively. The non-blocking switching can be realized for the packets with lengths less than the buffer granularity of the Rec-FDL, and the optimized performance for the proposed router can be obtained through properly selecting of the system parameters.

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A novel contention resolution scheme based on network coding for optical multicast node

Liu

Chen

et al. 2015

Photon Netw Commun

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An effective buffering architecture for optical packet switching networks

Cited by 6 publications

References 4 publications

Optical Packet Switching Architecture based on Traffic Load Selective FDL Buffer Mode

Optical Packet Switching Architecture based on Traffic Load Selective FDL Buffer Mode

An optical router with multistage management functions for asynchronous optical packet switching network

A novel contention resolution scheme based on network coding for optical multicast node

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