> shared memory, not shared bus. There is a difference. I don't
>have the URL handy, but Cisco has a paper out by the Stanford
>University professor who architected the GSR. It does a nice
>comparison of the three basic architectures, shared bus, shared
>memory, and crossbar. Shared bus runs out of steam at about 2Gbps,
>and the 7500 is about the highest end Cisco product that uses it.
>Junipers are generally shared memory and GSRs are generally crossbar.
Howard,
i think you are referring to this paper?
http://www.cisco.com/warp/public/cc/pd/rt/12000/tech/fasts_wp.pdf
regards,
/yck
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