Abstract
Slotted WDM rings are considered to implement high-speed all-optical metro networks. The usual approach to transfer variable-size data units, such as IP data-grams, is to segment them into cells, and transfer each cell independently in the WDM ring. This approach entails complexity due to segmentation/reassembly procedures. We investigate in this paper architectures and control strategies to guarantee that all segments of a variable-size packet are sent contiguously on the ring, thereby drastically reducing reassembly complexity. Our proposal is based on register insertion techniques exploiting optical delay lines. A number of schemes are proposed, and compared by means of simulation, showing how performance impairments can be traded with hardware complexity.
This work was supported by the Italian Ministry for University and Scientific Research (MURST) under the RINGO project.
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Bianco, A., Bonsignori, M., Leonardi, E., Neri, F. (2003). Variable-Size Packets in Slotted WDM Ring Networks. In: Bianco, A., Neri, F. (eds) Next Generation Optical Network Design and Modelling. ONDM 2002. IFIP Advances in Information and Communication Technology, vol 114. Springer, New York, NY. https://doi.org/10.1007/978-0-387-35670-9_11
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DOI: https://doi.org/10.1007/978-0-387-35670-9_11
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