NPE-G2 vs. Sup720-3BXL

Leo Bicknell bicknell at ufp.org
Fri May 15 21:41:55 CDT 2009


In a message written on Fri, May 15, 2009 at 10:25:12PM -0400, Valdis.Kletnieks at vt.edu wrote:
> Did you check PCI bus bandwidth?  That's probably going to be the biggest
> constraint on "a few 10GBE interfaces" if they all get going full blast.
> Remember that each packet is going to burn bandwidth twice - once in and
> once out...

PCIe, x8 or x16, which is serial point to point.

http://www.csc.kth.se/~olofh/10G_OSR/10Gbps.pdf 

25 Gb/sec across 4x10G ports on higher end but far from topped out
hardware.

-- 
       Leo Bicknell - bicknell at ufp.org - CCIE 3440
        PGP keys at http://www.ufp.org/~bicknell/
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