[nzlug] Network speed - Final results

Andrew Farago andras_farago at yahoo.com.au
Fri Aug 31 08:55:40 NZST 2007


The cards was Intel Server NICs, the good  (and expensive) ones.
I had bad experience with cheap cards and this time I tried to select  
only really good components.
On a 100mbps network a 70%-80% throughput is wery good and relatively  
easy to achieve. The same performance (700-750Mbps) on an isolated  
gigabit network is hard to get and generally your gigabit network  
will be connected to a much slower network/device (other LAN,  
Internet, PC with M$ software) and that will slow down everything again.
To build a high speed network core is a good idea but I think a  
gigabit LAN is still not worth to do.

Andrew

On 30/08/2007, at 11:33 PM, Mathew Carley wrote:

> I've found sometimes the NIC cards/chipsets can cause a not-really- 
> GigE-connection... Are they cheap cards or decent cards? Or are  
> they on the Motherboard? Ideally, in almost all cases, almost all  
> the time, the GigE cards would be onboard...
>>> Yes you are right but the cost is not linear. For double money  
>>> you can not get double speed, you need to invest much more in it.
>>> The $/performance ratio is very bad.
>>> Andrew
>
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