Open AccessJournal Article10.1109/JLT.2012.2187043

MAC-Layer Performance Enhancement Using Control Packet Buffering in Optical Burst-Switched Networks

- 01 Jun 2012

- Vol. 30, Iss: 11, pp 1578-1586

TL;DR: A rigorous mathematical model is developed to analyze the performance of an OBS network core node employing this technique along with just-in- time one-way reservation protocol, revealing that a considerable improvement in the performance is achieved when adopting the proposed technique.

Abstract: One of the major hurdles in optical burst-switched (OBS) networks is the contention problem. In this paper, we tackle this problem by proposing a new contention resolution technique based on control packet buffering. In particular, a rigorous mathematical model is developed to analyze the performance of an OBS network core node employing this technique along with just-in- time one-way reservation protocol. The key idea that makes this proposal novel is that this buffering is implemented in the electronic domain, thus avoiding the complexity that exist in the optical domain solutions. A detailed evaluation of the system performance using both the burst loss probability and the steady-state throughput is presented. Our results reveal that a considerable improvement in the performance is achieved when adopting the proposed technique.

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1. What are the contributions in "Mac-layer performance enhancement using control packet buffering in optical burst-switched networks" ?

In this paper, the authors tackle this problem by proposing a new contention resolution technique based on control packet buffering.. A detailed evaluation of the system performance using both the burst loss probability and the steady-state throughput is presented.

2. What are the future works mentioned in the paper "Mac-layer performance enhancement using control packet buffering in optical burst-switched networks" ?

Moreover, as their results have demonstrated an improvement in system performance when adopting CP to JIT protocol, further research work can be performed to investigate the feasibility of applying the CP buffering feature to the JET protocol with a simplified algorithm.. However, their intention is to extend the work and conduct a real network simulation, in which various network topologies with different node connectivity degrees will be considered.. Thus, as a future work, research can be conducted to address these issues and investigate their effects.

Fig. 1. Timing diagram explaining the traditional JIT operation and the modified operation in presence of buffering (Case 1).

Fig. 5. Semilog plot of the per node loss probability versus the offered load with no buffer and with buffer under different values of .

Fig. 3. OBS MAC layer with the proposed CP buffering feature.

Fig. 2. Timing diagram explaining the JIT modified operation in presence of buffering (Case 2) and the blocking situation (Case 3).

Fig. 8. Semilog plot of the per node burst loss probability versus the buffer size for different values of .

Fig. 6. Plot of the steady-state throughput versus the average burst arrival per burst duration with no buffer and with buffer under different values of .

Citations

•Book Chapter•10.1007/978-3-662-47824-0_15

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- 01 Jun 2014

TL;DR: This Chapter compares performance of three reinforcement learning-based deflection routing algorithms by using the National Science Foundation network topology and topologies generated using Waxman and Barabasi-Albert algorithms to examine the scalability of these deflection routed algorithms by increasing the network size while keeping the network load constant.

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Book Chapter•10.4018/978-1-5225-1785-6.CH005

Design and Analysis of Optical Packet Switch Routers: A Review

Vaibhav Shukla, +1 more

- 01 Jan 2017

TL;DR: In this chapter the authors discuss the overall development of optical packet switching; some recently published optical packet switch architectures are discussed in the chapter and a comparison is performed between the switches through loss, cost and buffer analysis.

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•Dissertation

Applications of Reinforcement Learning to Routing and Virtualization in Computer Networks

Soroush Haeri

- 17 Mar 2016

TL;DR: This dissertation proposes the predictive Q-learning deflection routing (PQDR) algorithm that enables path recovery and reselection, which improves the decision making ability of the node in high load conditions, and introduces the NN and ENN decision-making algorithms to address the deficiency of Q- learning.

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•Journal Article•10.7753/IJCATR0202.1001

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Anuj Agrawal

- 01 Mar 2013

- International Journal of Computer Applic...

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A Controllable Deflection Routing and Wavelength Assignment Algorithm in OBS Networks

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References

•Journal Article

Optical burst switching (OBS) - a new paradigm for an optical Internet

Chunming Qiao, +1 more

- 11 Mar 1999

- Journal of High Speed Networks

TL;DR: The general concept of OBS protocols and in particular, those based on Just-Enough-Time (JET), is described, along with the applicability ofOBS protocols to IP over WDM, and the performance of JET-based OBS Protocols is evaluated.

...read moreread less

•Book

Fundamentals of queueing theory (2nd ed.).

Donald Gross, +1 more

- 18 Aug 1985

931

Journal Article•10.1287/MSOM.4.3.208.7753

Designing a Call Center with Impatient Customers

O. Garnet, +2 more

- 15 Jul 2002

- Manufacturing & Service Operations Manag...

TL;DR: This paper analyzes the simplest abandonment model, in which customers' patience is exponentially distributed and the system's waiting capacity is unlimited ( M/ M/ N +M), and derives approximations for performance measures and proposes "rules of thumb" for the design of large call centers.

...read moreread less

676

Journal Article•10.1109/50.908815

Just-in-time signaling for WDM optical burst switching networks

J.Y. Wei, +1 more

- 01 Dec 2000

- Journal of Lightwave Technology

TL;DR: The architecture, design, and implementation of a novel just-in-time (JIT) signaling protocol for optical burst switching (OBS) in wavelength division multiplexed (WDM) optical networks and the Washington, DC Testbed network is described.

...read moreread less

437

Journal Article•10.1109/35.983912

JumpStart: a just-in-time signaling architecture for WDM burst-switched networks

Ilia Baldine, +3 more

- 01 Feb 2002

- IEEE Communications Magazine

TL;DR: An architecture for a core dWDM network which utilizes the concept of optical burst switching coupled with a just-in-time signaling scheme, a reservation-based architecture whose distinguishing characteristics are its relative simplicity, its amenability to hardware implementation, and the ability to support multicast natively.

...read moreread less

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MAC-Layer Performance Enhancement Using Control Packet Buffering in Optical Burst-Switched Networks

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Most frequently asked questions

1. What are the contributions in "Mac-layer performance enhancement using control packet buffering in optical burst-switched networks" ?

2. What are the future works mentioned in the paper "Mac-layer performance enhancement using control packet buffering in optical burst-switched networks" ?

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Citations

Deflection Routing in Complex Networks

Design and Analysis of Optical Packet Switch Routers: A Review

Applications of Reinforcement Learning to Routing and Virtualization in Computer Networks

Evolving CSP Algorithm in Predicting the Path Loss of Indoor Propagation Models

A Controllable Deflection Routing and Wavelength Assignment Algorithm in OBS Networks

References

Optical burst switching (OBS) - a new paradigm for an optical Internet

Fundamentals of queueing theory (2nd ed.).

Designing a Call Center with Impatient Customers

Just-in-time signaling for WDM optical burst switching networks

JumpStart: a just-in-time signaling architecture for WDM burst-switched networks

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