Alex Rousskov wrote:
> > it's a big difference. One cable to the clients and one to
> > the servers limits you to 100Mbps. An unlimited number of
> > cables means the sky is the limit. These are two different
> > categories of L-4 switches.
>
> I was thinking one (or a few) Gbit cables versus many 100Mbit cables.
> I am sure we would have to allow for total throughput that exceeds
> 100Mbit levels.
I'll be aiming for one box at 100Mbps and possibly another
in the sub 1Gbps range.
Presumably for the 100Mbps box, I would get one cable to
the clients and another cable to the servers (and you would
provide the switch for me to plug into on both sides?).
> The primary difference, IMO, is the number of ports that a switch will
> be able to use. Different switches have different designs that will
> benefit (or not) from many ports being utilized given the same total
> load. I expect some serious fights among vendors before we can reach a
> consensus or decide to use two hard-to-compare configurations.
If I want to enter something in the sub Gbps range, do
I have the choice of getting it via either
o single 1Gbps card on client side and server side
o multiple 100Mbps NICs (eg quad NICs) on each side
I assume this is the problem you are talking about.
(My equipment is 100Mbps and I can increase
throughput by combining 100Mbps links.
I don't have switches etc to setup a 1Gbps
installation.)
Thanks Joe
-- Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin contractor to the National Environmental Supercomputer Center, mailto:mack.joseph@epa.gov ph# 919-541-0007, RTP, NC, USA
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