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Journal Article Soft-State Bandwidth Reservation Mechanism for Slotted Optical Burst Switching Networks
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Authors
Tai-Won Um, Jun Kyun Choi, Jun Guo, Won Ryu, Byung Sun Lee
Issue Date
2008-04
Citation
ETRI Journal, v.30, no.2, pp.216-226
ISSN
1225-6463
Publisher
한국전자통신연구원 (ETRI)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.4218/etrij.08.1107.0040
Abstract
This paper proposes a novel transport network architecture for the next generation network (NGN) based on the optical burst switching technology. The proposed architecture aims to provide efficient delivery of various types of network traffic by satisfying their quality-of-service constraints. To this end, we have developed a softstate bandwidth reservation mechanism, which enables NGN transport nodes to dynamically reserve bandwidth needed for active data burst flows. The performance of the proposed mechanism is evaluated by means of numerical analysis and NS2 simulation. Our results show that the packet delay is kept within the constraint for each traffic flow and the burst loss rate is remarkably improved.
KSP Keywords
Active data, Bandwidth Reservation, Network Architecture, Next generation network(NGN), Ns-2 Simulation, Numerical analysis, Optical burst switching networks, Packet Delay, Quality-of-service constraints, Soft-state, Traffic flow