Best utilizing fat long pipes and large file transfer

mdavis at mdavis at
Fri Jun 13 00:18:56 UTC 2008

Take a look at some of the stuff from Aspera.


On Thu, Jun 12, 2008 at 03:37:47PM -0700, Sean Knox wrote:
> Hi,
> I'm looking for input on the best practices for sending large files over 
> a long fat pipe between facilities (gigabit private circuit, ~20ms RTT).
> I'd like to avoid modifying TCP windows and options on end hosts where 
> possible (I have a lot of them). I've seen products that work as 
> "transfer stations" using "reliable UDP" to get around the windowing 
> problem.
> I'm thinking of setting up servers with optimized TCP settings to push 
> big files around data centers but I'm curious to know how others deal 
> with LFN+large transfers.
> thanks,
> Sean

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