On 15-Apr-09, at 1:30 PM, Peter Rathlev wrote:

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.

Good advice.  Didn't consider that.

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

12ms (Toronto to New York and back) with the 12008. Haven't hair pinned a port on the New York Fore yet, so can't determine latency 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.

I'd happily test that, however we don't have a machine on-site in New York, unless you (or anyone else, for that matter ;)) happen to have a box hanging off NYIIX that I could dump traffic to over our NYIIX link.

Regards,
Peter




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