[ale] network question

Bruce callmebruce2002 at yahoo.com
Mon Aug 27 13:33:39 EDT 2007


Wow!!!!

I do network capacity planning for a living, and it is
hard enough to get commercial accounts to upgrade from
100 MBPS to 1 Gig on over-utilized switch ports. Even
after showing graphs with the switch port - and
attached server - averaging in the 80-90% hourly
average and discarding packets. 

And WAN? You can let a customer know their WAN port is
over-utilized, they will experience increased latency
and reduced throughput - and it is difficult to get a
business to pony up the bucks for bandwidth. Even when
you show a graph with latency and utilization
over-layed.

Sounds like a cool project! I'm impressed.


--- "James P. Kinney III"
<jkinney at localnetsolutions.com> wrote:

> On Mon, 2007-08-27 at 09:18 -0700, Bruce wrote:
> > Off topic, and of no help - but Man!!!! What are
> you
> > running? 4 Gigabit NICs bonded? That is some
> serious
> > throughput!
> > 
> 
> It actually feeds a SAN device running 10G :) Each
> server has 6 Gb Nics.
> New design has 3 up and 3 downstream bonded.
> Upstream (to AoE array)
> uses jumbo frames (which works nicely with a 4k
> blocks - get 2 blocks in
> one call).
> 
> Multiple servers accessing an AoE storage array.
> 500MB/s throughput from
> the storage array. 
> 
> Ran the bonded 4 Gb Nics on a large scale LTSP
> project. That provided
> the data pipe downstream to the 100+ thin clients
> hanging off each
> server.
> 
> I am called "The Over Engineer".  :)
> 
> Bandwidth was NOT going to be the bottleneck! 
> > 
> > 
> >        
> >
>
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> -- 
> James P. Kinney III          
> CEO & Director of Engineering 
> Local Net Solutions,LLC        
> 770-493-8244                    
> http://www.localnetsolutions.com
> 
> GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> <jkinney at localnetsolutions.com>
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