The multi-hop multi-rate wavelength division multiplexing ring

Cerutti, Isabella; Fumagalli, Andrea; Tacca, Marco; Lardies, A.; Jagannathan, R.

doi:10.1109/50.908678

Cited by 17 publications

(7 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The first approach is based on an Integer Linear Programming (ILP) formulation of the problem, whose optimum solution is computationally intensive to find. The second approach is based on a modified version of the fast greedy algorithm proposed in [3], that takes into account the limited channel transparency due to PMD.…”

Section: Introductionmentioning

confidence: 99%

Impact of Polarization Mode Dispersion in Multi-Hop Multi-Rate WDM Rings

Cerutti

Barros

Fumagalli

et al. 2003

Next Generation Optical Network Design and Modelling

View full text Add to dashboard Cite

Fiber Polarization Mode Dispersion (PMD) is perhaps the most critical transmission impairment in optical networks with transmission rates of 10Gb/sand higher. Since the bandwidth-distance product, or transparency, of the optical channel is limited by PMD, the overall network design and cost may be significantly altered by the actual fiber PMD values.The paper has two objectives. First, to quantify how PMD may increase the cost of WDM rings in a number of design scenarios, including first generation, single-hop, multi-hop, and multi-rate networking. Second, the polynomial-time algorithm proposed in [3] is modified to provide sub-optimal solutions for the above WDM rings, that take into account the limited bandwidth-distance product imposed by PMD. Presented results reveal that for high transmission rates, the cost of the multi-hop ring is less affected by PMD than the costs of first generation and single-hop rings.

show abstract

Section: Introductionmentioning

confidence: 99%

Impact of Polarization Mode Dispersion in Multi-Hop Multi-Rate WDM Rings

Cerutti

Barros

Fumagalli

et al. 2003

Next Generation Optical Network Design and Modelling

View full text Add to dashboard Cite

show abstract

“…Several studies [5,7,17] were carried out to dimension ring networks, so that the overall cost due to electronics (such as optical terminal lines) is minimized. When considering the wavelength and electronic cost, it was also demonstrated [4] that the hybrid ring is more cost effective than the all-optical ring and the electronic ring, as it can exploit both transparency and traffic aggregation flexibility.…”

Section: Introductionmentioning

confidence: 97%

“…The problem is formalized as a multi-commodity flow problem using a mixed-integer linear programming formulation. Note that the formulation is different from the well-known (electronic) traffic grooming problems [4,5], due to the different technological constraint. In particular, due to the difficulty of realizing wavelength conversion in optics, the ECOFRAME nodes lack of wavelength conversion capabilities.…”

Section: Introductionmentioning

confidence: 98%

See 1 more Smart Citation

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

“…On the other hand, to face the traffic growth, a sudden upgrade of the network with high rate channels is challenging due to the required large capital investment and legacy reasons. Support of channels at different transmission rates, i.e., multirate, appears to offer the advantages of a smooth transition, along with a large capacity increase at limited and optimal investment [4]. At the network layer, it is possible to leverage statistical multiplexing thanks to packet switching to efficiently use all of the offered capacity, rather than deploying poorly filled circuits.…”

Section: Introductionmentioning

confidence: 98%

Dimensioning and energy efficiency of optical metro rings

Pointurier¹,

Ušćumlić²,

Cerutti³

et al. 2012

2012 16th International Conference on Optical Network Design and Modelling (ONDM)

Self Cite

View full text Add to dashboard Cite

Due to the ever-growing network capacity demand, energy-efficient and scalable networking solutions are needed in all networking segments. In this paper, three metropolitan ring architectures are considered and compared for resource and power utilization: Ethernet, Reconfigurable Optical Add-Drop Multiplexers (ROADM), and an optical packet switching (OPS) scheme called Packet Optical Add-Drop Multiplexers (“POADM”), which was recently proposed. Both single and multirate scenarios are investigated. In addition, a novel resource allocation strategy for POADM-based OPS multirate rings is proposed for the first time. We show through simulations that POADM allocates resources very efficiently such that multi-fiber rings can be avoided even for high loads. Results show that OPS with POADM can be up to 2 to 3 times more energy-efficient than competing technologies

show abstract

The multi-hop multi-rate wavelength division multiplexing ring

Cited by 17 publications

References 15 publications

Impact of Polarization Mode Dispersion in Multi-Hop Multi-Rate WDM Rings

Impact of Polarization Mode Dispersion in Multi-Hop Multi-Rate WDM Rings

Optimal dimensioning of the WDM unidirectional ECOFRAME optical packet ring

Dimensioning and energy efficiency of optical metro rings

Contact Info

Product

Resources

About