Abstract
We consider an edge optical burst switching (OBS) node with or without converters, and with no buffering. The OBS node serves a number of users, each connected to the switch with a fiber link that supports multiple wavelengths. Each wavelength is associated with a 3-state Markovian burst arrival process which permits short and long bursts to be modeled. In a previous paper [18], we modeled the edge OBS node as a closed multi-class non-product-form queueing network, which we analyzed approximately by decomposition. In this paper, we develop computationally efficient approximate algorithms to analyze an edge node in the limiting case where the number of wavelengths is large. This limiting case is of practical importance since WDM technology will permit hundreds of wavelengths in a fiber.
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