Abstract
A novel wavelength reservation protocol is proposed for wavelength-continuous lightpaths establishment in the wavelength-routed optical networks. The protocol uses backward reservation protocol (BRP) with intermediate retry to reduce the chance of blocking. BRP is normally considered to be better than forward reservation protocol (FRP) from the blocking point of view. Intermediate retries make it more efficient in that respect. We show through simulation that the protocol improves the success rate in lightpaths setup considerably without much incrementing the lightpath setup delay.
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