Abstract
A congestion-controlled optical burst switching network
that offers connection guarantees was designed to handle bursts as short as
100 ms with switching within 10 ms in networks less than 200 km long. Its
optical burst switching (OBS) is based on circuit switching, and transport
is by optical burst paths. Five metrics are proposed for evaluating OBS network
performance. The application area to be laid and the data application were
determined in accordance with the design target. Given a reasonable burst
block probability requirement, design criteria are developed on the basis
of wavelength switching and conversion implementation. OBS network performance
is tested in field trials on the Japan Gigabit Network II testbed. Fast congestion
control through the use of precalculated detour routes is demonstrated.
© 2008 IEEE
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