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That's what you get for reading marketing literature... confused :-)
Both numbers you quoted are theoretical numbers derived from different
ways of combining the backplane capabilities; and both are equally
irrelevant because they don't reflect what you can actually do. The
backplane is composed of passive etch that we use in a variety of ways
to produce different network connections; future technologies will use
that same etch for network types we have not even thought about yet.
Some of those possibilities may include real bandwidth that high.
A more usefull way to aproach the question is to look at the particular
possibilities that might meet the needs of the customer ( 2 FDDI's + 6
ethernets, 1 FDDI + 3 ethernets, etc ). Then if you really care about
numbers you can total the bandwidth of the configuration you built.
With the current products, you could do 8 slots in 4 FDDIs, for
400Mb/s; can anyone think of a real configuration that beats that now?
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