HOPSMAN: An Experimental Testbed System for a 10-Gb/s Optical Packet-Switched WDM Metro Ring Network

Yuang, M.C.; Chao, I-Fen; Lo, B.C.; Tien, Po-Lung; Chen, Jason; Wei, Chia-Chien; Lin, Yu-Min; Lee, Steven; Chien, Ching-Yun

doi:10.1109/mcom.2008.4557060

Cited by 33 publications

(11 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…We validated this approximation by simulation, not shown here, but the validation of the whole analytical model implicitly validates this approximation 4. The insertion time of the optical slot itself on the channel is not included in the mean queuing delay, and since it is a common fixed duration for all optical slots we consider it as a constant to be added to the propagation delay to calculate the end to end latency…”

mentioning

confidence: 85%

See 1 more Smart Citation

Impact of the Electronic Architecture of Optical Slot Switching Nodes on Latency in Ring Networks

Benzaoui¹,

Pointurier²,

Bonald

et al. 2014

J. Opt. Commun. Netw.

View full text Add to dashboard Cite

Optical slot switching has formerly been proposed as a flexible solution for metropolitan ring networks to carry data traffic with a sub-wavelength switching granularity and with a good energy efficiency, which is enabled by optical transparency. In this paper, for the first time we propose several architectures for the electronic side of optical slot switching nodes to increase flexibility through the addition of electronic switches, working either at client packet granularity or at slot granularity; such electronic switches can be located at either transmitter side, receiver side, or both sides of a node, thereby decreasing traffic latency, at the expense of increased node cost and/or energy consumption. This paper focuses on the latency aspect. We investigate the impact of a timer that can be used to upper bound the slot insertion time on the medium. We also propose, a novel client packet queuing model in an optical slot switching ring and assess and compare the latency of these node architectures analytically, and with simulations.

show abstract

mentioning

confidence: 85%

“…We propose to approximate the Erlang/D/1 queue by an M/D/1 queue with parameter (λ, rµ) 3 . The mean queuing delay 4 for an M/D/1 with parameters (λ, µ) is given by [20]:…”

Section: B Analysismentioning

confidence: 99%

Impact of the Electronic Architecture of Optical Slot Switching Nodes on Latency in Ring Networks

Benzaoui¹,

Pointurier²,

Bonald

et al. 2014

J. Opt. Commun. Netw.

View full text Add to dashboard Cite

show abstract

“…In the last decade, several projects proposed, studied, and tested different implementation of optical packet switching nodes. The projects mainly focused on the physical implementation of the optical packet switching nodes or on the upper layer protocol (e.g., MAC protocol in [19]). …”

Section: Comparison With State-of-the-art Optical Packet Ringsmentioning

confidence: 99%

Optimal dimensioning of the WDM unidirectional ECOFRAME optical packet ring

et al. 2011

View full text Add to dashboard Cite

To efficiently support the high rate and the high dynamicity of the traffic in metro networks, an optical packetswitched WDM ring, named ECOFRAME, is proposed. The key features of the proposed ring are optical transparency and statistical multiplexing of optical packets on parallel WDM channels. Such features can be exploited by properly allocating wavelengths and receivers. This paper aims to optimally dimension the unidirectional ECOFRAME rings. The dimensioning at minimum cost (i.e., for wavelengths and receivers) is modeled with an mixed-integer linear programming formulation. An heuristic algorithm is also proposed, and its performance is compared against the optimal solutions and bounds. When considering the receiver and wavelength cost, results indicate that trading the wavelengths for receivers allows cost saving of up to 75% with respect to WDM opti- B. Ušćumlić (B) cal packet rings with a single dedicated wavelength per node (i.e., single receiver at each node).

show abstract

“…When considering the receivers, performance is compared by equipping the system with the following receiver types: a microsecond-order tunable receiver (e.g., an electro-optic tunable filter (EOTF) [21], an acousto-optic tunable filter (AOTF) [22], or a fiber Fabry-Perot-based tunable filter [23]), a nanosecond-order tunable receiver [24], and one/multiple fixed-tuned receivers.…”

Section: Introductionmentioning

confidence: 99%

A Novel Access and Control System in a WDM Passive Star-Coupled Network for Optical Backhaul

Chao

Chang

2014

J. Opt. Commun. Netw.

Self Cite

View full text Add to dashboard Cite

A passive star-coupled (PSC) optical wavelength division multiplexing (WDM) network is considered a promising candidate for optical backhaul particularly in densely populated urban areas. In this paper, we present the access and control system design for wireless backhaul transmission over a PSC wavelength division multiple access (WDMA) network. We employ an in-band controlsignal technique, providing dedicated control slot access, and the length of the control slot is minimized and unconstrained by the length of a data slot, aiming at offering thorough control information and maximizing the system performance. A packet-by-packet, reservation-based, and frame-basis medium access control (MAC) scheme is presented. The MAC scheme ensures round-robin scheduling to flexibly transmit data packets within a data frame by simply adopting two initial variables. The simulation results show that the network achieves exceptionally high system performance when each node is equipped with only one tunable transmitter and one fixed-tuned receiver for uniform destination traffic scenarios. In a client/server traffic scenario, only the server node (which receives an additional proportion of the entire network traffic) is upgraded by replacing the fixed-tuned receiver with a fast tunable receiver; thus, exceptionally high delay-throughput performance is maintained, and the most cost-effective solutions are proposed.Index Terms-Medium access control (MAC); Optical backhaul; Passive star coupler (PSC); Wavelength division multiplexing (WDM).

show abstract

HOPSMAN: An Experimental Testbed System for a 10-Gb/s Optical Packet-Switched WDM Metro Ring Network

Cited by 33 publications

References 15 publications

Impact of the Electronic Architecture of Optical Slot Switching Nodes on Latency in Ring Networks

Impact of the Electronic Architecture of Optical Slot Switching Nodes on Latency in Ring Networks

Optimal dimensioning of the WDM unidirectional ECOFRAME optical packet ring

A Novel Access and Control System in a WDM Passive Star-Coupled Network for Optical Backhaul

Contact Info

Product

Resources

About