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Bus Bandwidth

 

OLAP has higher bus bandwidth needs than OLTP...generally.  Reason:  more sequential IO leads to greater bus saturation. 
 
NAS:  100Mbps or 1Gbps (just like a standard ethernet network)
Ultra320:  found with SCSI.  320 MB/sec/channel
Fibre Channel:  1/2/4Gbps
 
 
Interface
Speed
Serial
115Kb/s
Parallel (ECP/EPP)
3 Mb/s
SCSI
5-320 Mb/s
ATA
3.3-133 Mb/s
USB
1.5 Mb/s
FireWire
3.3-33 Mb/s
SATA
150 Mb/s
Fibre Channel
2 Gb/s
 
 
 
 
 
 

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