Abstract

The Photonic Slot Routing (PSR) concept has been formulated in answer to the non-availability of high-speed wavelength-sensitive devices. Originally, the slot routing technique was proposed for achieving scalability in LANs and MANs with regular topologies consisting of ring, or folded bus segments, connected by bridges to a common ring backbone [FC94, CEF+97]. At the bridges, photonic slots are switched as single, wavelength-transparent, units of information. In the source segment, packets are organized into photonic slots according to their destination segment, and the photonic slot visits each node in the destination segment to enable reception of the individual packets.

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