Efficient Design and Scalable Control for Store-and-Forward Capable Optical Transport Networks

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The increasingly bursty nature of delaytolerable content delivery services requires new design and control perspectives in state-of-the-art end-to-end bufferless transport networks. Store-and-forward capable networked buffers in end-to-end lightpath networks enable an optical delay-tolerant networking (DTN) service that efficiently improves the capacity of optical networks by time-domain traffic shaping. We model an architecture of the optical DTN and asymptotically analyze the blocking probability performance as a function of the buffer node ratio. We propose a novel buffer node location algorithm by suggesting a bottleneckness centrality measure and evaluate the algorithm by comparing it with reference facility location algorithms. Rigorous simulation studies over practical core network topologies, as a function of networking cost, reveal higher performance of the optical DTN model as well as the proposed network-planning algorithms.
Publisher
OPTICAL SOC AMER
Issue Date
2017-08
Language
English
Article Type
Article
Keywords

CENTRALITY; POWER

Citation

JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING, v.9, no.8, pp.699 - 710

ISSN
1943-0620
DOI
10.1364/JOCN.9.000699
URI
http://hdl.handle.net/10203/225609
Appears in Collection
EE-Journal Papers(저널논문)
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