[Beowulf] optics question (SFP+ vs XFP)

Joe Landman landman at scalableinformatics.com
Thu Jan 27 05:50:54 PST 2011


On 01/27/2011 08:49 AM, Eugen Leitl wrote:
>
> I need to run 10G Ethernet over about 70 m. Is there a fundamental
> difference between SFP+ and XFP? (The vendor context is former 3com,
> now HP, 4210G specifically).
>

XFP is the older standard, SFP+ is supplanting it.  Go SFP+ if you can.

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Joseph Landman, Ph.D
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