Finding minimum-cost circulations by canceling negative cycles
Journal of the ACM (JACM)
Journal of High Speed Networks - Special issue on optical networking
Schedule burst proactively for optical burst switched networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Maximizing throughput for optical burst switching networks
IEEE/ACM Transactions on Networking (TON)
On ordered scheduling for optical burst switching
Computer Networks: The International Journal of Computer and Telecommunications Networking
Techniques for optical packet switching and optical burst switching
IEEE Communications Magazine
Control architecture in optical burst-switched WDM networks
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications - Part Supplement
Optical burst switching: a new area in optical networking research
IEEE Network: The Magazine of Global Internetworking
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Optical Burst Switching (OBS) is considered to be a promising paradigm for bearing IP traffic in Wavelength Division Multiplexing (WDM) optical networks. In OBS networks, a key challenge is to reduce the data loss rate with efficient scheduling algorithms. In this work, we propose novel algorithms for batch scheduling in OBS networks with different optimization criteria. The algorithms effectively consider the strong correlations among the multiple bursts, and employ the proposed interval graphs and min-cost circular flow techniques to achieve optimized network performance in terms of data loss rate in the network. Simulation results show that our algorithms achieve a loss rate which is as much as 20% less than one of the best previously known algorithms, LAUC-VF, and suffer only a minor increase (about 1-hop link propagation) in the data latency.