Pickup from Fulcrum
7000,7100 series uses Fulcrum crossbar ASICs. Here are some tech resource that had been published from Fulcrum Micro.
FocalPoint / Fulcrum documents
FocalPoint FM4000 series
Basic architecture and features of FM4224 crossbar chip.
FocalPoint Platform Reference Designs
10G switch reference design with FM4000 series chips.
FocalPoint in Large-Scale Clos Switches White Paper
http://www.fulcrummicro.com/documents/applications/clos.pdf
Figure 6. shows up a Fat Tree model (CLOS architecture) based 288ports design by using 24port switch chip.
http://www.fulcrummicro.com/product_library/applications/Scaling_The_Cloud.pdf
Here is similar info of above one.
Figure 6. shows up a Fat Tree model (CLOS architecture) based 288ports design by using 24port switch chip.
http://www.fulcrummicro.com/product_library/applications/Scaling_The_Cloud.pdf
Here is similar info of above one.
Scaling the Cloud
http://www.fulcrummicro.com/cloudscaling.htm
A list of switches of various company using CLOS architecture.