QoS Considerations in OBS Switched Backbone Net-Works

Bakhe Nleya; Andrew Mutsvangwa

QoS Considerations in OBS Switched Backbone Net-Works

Bakhe Nleya * §

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Andrew Mutsvangwa

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Durban University of Technology

QoS Considerations in OBS Switched Backbone Net-Works

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Abstract

Optical Burst Switching (OBS) was proposed as a hybrid switching technology solution to handle the multi-Terabit volumes of traffic anticipated to traverse Future Generation backbone Networks. With OBS, incoming data packets are assembled into super-sized packets called data bursts and then assigned an end to end light path. Key challenging areas with regards to OBS Networks implementation are data bursts assembling and scheduling at the network ingress and core nodes respectively as they are key to minimizing subsequent losses due to contention among themselves in the core nodes. These losses are significant contributories to serious degradation in renderable QoS. The paper overviews existing methods of enhancing it at both burst and transport levels. A distributed resources control architecture is proposed together with a proposed wavelength assignment algorithm.

References

25 Cites in Article

Reference Format

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Bakhe Nleya, Andrew Mutsvangwa. 2014. "QoS Considerations in OBS Switched Backbone Net-Works". Global Journal of Computer Science and Technology, Global Journal of Computer Science and Technology - E: Network, Web & Security GJCST-E Volume 14 (GJCST Volume 14 Issue E5).

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GJCST Volume 14 Issue E5

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Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

Keywords

data bursts distributed control architecture drop ratio Quality of Service random routing shortest path routing

Classification

C.2

Submission ReceivedDecember 10, 2013
Peer Review Double Blind
Handling Editor
Accepted January 3, 2014
Published January 15, 2014

Version of record

v1.2

Issue date

September 18, 2014

Language

English

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Article Matrices

Total Score: 142

Country: South Africa

Subject: Global Journal of Computer Science and Technology

Authors: Bakhe Nleya, Andrew Mutsvangwa (PhD/Dr. count: 0)

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