Proceedings ArticleDOI
Reducing Loss Rate in Slotted Optical Networks: A Lower Bound Analysis
Akbar Ghaffarpour Rahbar,Oliver W. W. Yang +1 more
- Vol. 6, pp 2770-2775
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TLDR
It is shown that the ingress switches can have an important role in the loss rate reduction issue in the slotted all-optical networks by balancing the traffic on the wavelength channels and the symmetric traffic transmission.Abstract:
Optical time division multiplexing can be deployed in an all-optical network to provide a finer granularity and improve the bandwidth usage. In contention-based slotted all-optical networks, transmitted traffic (referred to as slot in this paper) on the same wavelength and time-slot from different ingress switches may collide at the optical switches and therefore a number of slots will be lost. In this paper, we study various software techniques to reduce the slot loss rate at an optical switch. We prove some lemmas related to the contention avoidance issue. We show that the ingress switches can have an important role in the loss rate reduction issue in the slotted all-optical networks by balancing the traffic on the wavelength channels and the symmetric traffic transmission. We analyze for the first time the lower-bound on the slot loss rate. We show how to achieve the lower-bound on the loss rate in practice.read more
Citations
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Journal ArticleDOI
Contention avoidance and resolution schemes in bufferless all-optical packet-switched networks: a survey
TL;DR: The contention resolution and avoidance schemes proposed for bufferless OPS networks are surveyed and the Quality of Service (QoS) issue in a QoS-capable bufferlessOPS network is reviewed.
Journal ArticleDOI
Cost Evaluation of Optical Packet Switches Equipped With Limited-Range and Full-Range Converters for Contention Resolution
TL;DR: A probabilistic model is proposed to dimension the number of shared FRWCs so that the same packet loss probability of a switch equipped with only sharedFRWCs is guaranteed.
Book ChapterDOI
Approaches and Controllers to Solving the Contention Problem for Packet Switching Networks: A Survey
TL;DR: This article surveys the contention resolution and avoidance schemes proposed for OPS networks and reviews some contention controller propositions using neural network techniques for solving the output contention problem in OPS.
Journal ArticleDOI
CST: A new contention reduction scheme in all-optical packet switched star-based metro networks
TL;DR: This work proposes a new slot transmission mechanism as a contention reduction scheme, called Coordinated Slot Transmission (CST), and provides loss rate performance analysis for CST under symmetric and asymmetric traffic arrivals.
References
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Proceedings ArticleDOI
How practical is optical packet switching in core networks
Peifang Zhou,Oliver W. W. Yang +1 more
TL;DR: In this paper, the authors performed throughput analysis on large optical packet switches under heavy traffic load and run simulations to validate their analysis, and they concluded that optical packet switching in core networks would not be practical without a breakthrough in the research area of optical buffering technology.
Proceedings ArticleDOI
Slot contention resolution for distributed TDM scheduling in an optical star network
TL;DR: In this article, the authors study slot contention resolution in single-hop TDM/WDM star WANs, where multiple ingress switches are connected to an all-optical cross-connect switch (core switch).
Proceedings ArticleDOI
Contention avoidance in slotted optical networks
TL;DR: It is shown that edge switches can have an important role in reducing loss rate in optical networks by transmitting traffic to each destination with equal probability (symmetric traffic transmission) and balancing traffic load on the wavelength channels.
Journal ArticleDOI
Routing Strategies to Minimize Packet Loss in an Optical Packet Switched Network with Recirculating FDL Buffers
TL;DR: This work assesses the logical performance of a single optical packet router (OPR), focusing on packet loss rate (PLR), and shows that the discussed PLR-based routing algorithm can be easily extended to multiple priorities.
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