Service differentiation scheme in OBS networks

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In order to achieve service differentiation, especially loss differentiation, in optical burst switching (OBS) networks, we propose a dynamic fiber delay line (FDL) partitioning algorithm, which divides FDLs into several groups over a feed-forward output buffering architecture. In the proposed scheme, a plurality of traffic classes and FDL groups can be considered, and each FDL group is assigned to traffic classes, so that the target loss probabilities of classes are guaranteed. Also, the optimal number of FDLs for each FDL group by the proposed algorithm is decided in Poisson traffic environments. The extensive simulation results validate the effectiveness of the proposed dynamic FDL partitioning algorithm for the loss differentiation in OBS networks.
Publisher
SPRINGER
Issue Date
2008-02
Language
English
Article Type
Article
Keywords

OPTICAL PACKET SWITCHES; WDM NETWORKS; INTERNET

Citation

PHOTONIC NETWORK COMMUNICATIONS, v.15, no.1, pp.67 - 75

ISSN
1387-974X
DOI
10.1007/s11107-007-0089-7
URI
http://hdl.handle.net/10203/17758
Appears in Collection
EE-Journal Papers(저널논문)
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