[Beowulf] 10gig CX4 switches

Bill Wichser bill at Princeton.EDU
Mon Sep 15 17:42:00 PDT 2008

Have you looked at Fujitsu?  Anything using the Fulcrum chip (this one 
does) will have the best latency numbers.  And their switches are just 
layer 2.


Greg Lindahl wrote:

>I have a bunch of 1gig switches with CX4 10gig uplinks (and empty X2
>ports) and it's time to buy a 10gig switch. Has anyone done a recent
>survey of the market? I don't need any layer-3 features, just layer-2.
>I see that HP has a 6-port switch for ~ $4k, too small.
>Arastra looks nice, except that their inexpensive 10base-CR only does
>SFP+, not X2. And CX4 SFP+ doesn't even seem to exist (lack of space
>for the connector?)
>I know some of the big boys have expensive layer-3 10gig switches.
>Can anyone give me a clue?
>-- greg
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