Centralized Contention Resolution Schemes for A Large-Capacity Optical ATM Switch
نویسنده
چکیده
for A Large-Capacity Optical ATM Switch H. Jonathan Chao and Jin-Soo Park Polytechnic University Department of Electrical Engineering 6 Metrotech Center, Brooklyn, NY 11201 [email protected], [email protected] Abstract Two centralized arbitration schemes are proposed for a large-capacity optical ATM switch: the dual round-robin matching (DRRM) scheme and the centralized multicast contention resolution (CMCR) scheme. The DRRM scheme is similar to the iSLIP scheme [1], but is simpler and faster. The DRRM scheme can only handle unicast cells, while the CMCR scheme can handle both unicast and multicast cells. The DRRM scheme can make over ve billion unicast cell forwarding decisions per second with CMOS technology, while the CMCR can make over one billion multicast cell forwarding decisions per second. With an internal speed-up of two, delay performance of the optical ATM switch is close to that of an output-bu ered switch.
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