Abstract
RHiNET-2/SW is a network switch that enables high-performance optical
network-based parallel computing system in a distributed environment. The
switch used in such a computing system must provide high-speed, low-latency
packet switching with high reliability. Our switch allows high-speed
8-Gb/s/port optical data transmission over a distance of up to 100 m, and the
aggregate throughput is 64 Gb/s. In RHiNET-2/SW, eight pairs of 800-Mb/s
x 12 -channel optical interconnection modules and a one-chip CMOS ASIC
switch LSI (a 784-pin BGA package) are mounted on a single compact board. To
enable high-performance parallel computing, this switch must provide
high-speed,highly reliable node-to-node data transmission. To evaluate the
reliability of the switch, we measured the bit error rate (BER) and skew
between the data channels. The BER of the signal transmission through one I/O
port was better than 10-11 at a data rate of 800 Mb/s x 10 b with a
large timing-budget margin (870 ps) and skew of less than 140 ps. This shows
that RHiNET-2/SW can provide high-throughput, highly reliable optical data
transmission between the nodes of a network-based parallel computing
system.
© 2000 IEEE
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