[c-nsp] GSR12008|GRP-B|4OC12/ATM-MM-SC|3GE-GBIC-SC throughput?

[Peter Rathlev]

On Wed, 2009-04-15 at 12:11 -0400, Jason Lixfeld wrote:
> In this case, I can iperf 97Mbps between two machines connected  
> together at 100Mb.
<cut>
> Here's one of the tests we've done, and we were able to get ~97Mbps  
> here:
>  
> Macbook Pro -> Linksys 100Mb -> 1811 -> 7609 -> 10GE -> 7609 -> 3550 - 
>  > PC 100Mb NIC.

This may or may not be relevant, but depending on how much extra latency
the 12008 introduces you might still have a client side limitation doing
TCP. Reasonable TCP window sizes and effective sender side congestion
control are needed.

How much latency end-to-end in the setup with/without the 12008?

Making IPerf use a defined load in a UDP stream (e.g. 100 Mbps) and then
measuring the loss would overcome this limitation of course.

Regards,
Peter