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Optical Burst Switching (OBS) networks are candidate to play an important role in next generation optical networks. Routing and wavelength assignment may have a decisive impact on the performance of these all-optical networks. We propose a novel Integer Linear Programming (ILP) formulation for the routing problem which is, at the contrast of existing models, specific to the nature of OBS networks...
Optical Burst Switching (OBS) is a promising switching technology for the next generation all-optical networks. An OBS network without wavelength converters and fiber delay lines can be implemented simply and cost-effectively using the existing technology. However, this kind of networks suffers from a relatively high burst loss probability at the OBS core nodes. To overcome this issue and consolidate...
Optical Burst Switching (OBS) is a promising switching paradigm for the next generation Internet. A bufferless OBS network can be implemented simply and cost-effectively without the need for either wavelength converters or optical buffers which are, currently, neither cost-effective nor technologically mature. However, this type of OBS networks suffers from relatively high loss probability caused...
Optical burst switching (OBS) is a promising switching paradigm for the next generation Internet. A buffer-less OBS network can be implemented simply and cost-effectively without the need for either wavelength converters or optical buffers which are, currently, neither cost-effective nor technologically mature. However, this type of OBS networks suffers from relatively high loss probability caused...
Burst loss is the major problem that faces the development of optical burst switching (OBS) networks. The burst loss is caused by the contention which affects badly OBS performance, especially under a high load. In this paper we propose two schemes: anticipated retransmission (called AR) and admission control (called QAC). AR aims at reducing the burst loss. The basic idea behind AR is to anticipate...
Optical burst switching (OBS) is an optical switching paradigm which offers a good tradeoff between the traditional optical circuit switching (OCS) and optical packet switching (OPS) since it has the relatively easy implementation of the first and the efficient bandwidth utilization of the second. Hence, OBS is a promising technology for the next generation optical Internet. A buffer-less OBS network...
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