Which NIC? -a On 3 July 2014 03:29, Slawa Olhovchenkov <slw_at_zxy.spb.ru> wrote: > On Thu, Jul 03, 2014 at 10:35:55AM +0100, Nikolay Denev wrote: > >> >> I found this white paper useful in understanding how this works : >> >> http://www.cisco.com/c/en/us/products/collateral/switches/nexus-3000-series-switches/white_paper_c11-726674.pdf >> > >> > In real world "Reality is quite different than it actually is". >> > http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-6500-series-switches/white_paper_c11-696669.html >> > >> > See "Packet Path Theory of Operation. Ingress Mode". >> > >> >> Interesting, however this seems like implementation specific detail, >> and not limitation of native 40Gbit ethernet. > > I see some perfomance tests on solaris and 40G link. > In this test perfomance limited about 10Gbit per flow. > May be I found links to this test. > > May be some NIC's implementation specific detail also limited > performance per flow. > >> Still, it's something that one must be aware of (esp when dealing with >> Cisco gear :) ) >> >> I wonder why they are not doing something like this : >> http://blog.ipspace.net/2011/04/brocade-vcs-fabric-has-almost-perfect.html >> >> --Nikolay > _______________________________________________ > freebsd-current_at_freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"Received on Thu Jul 03 2014 - 15:28:20 UTC
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