Re: [NANOG] Introducing latency for testing?

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The freebsd dummynet driver is all about latency simulation...

http://www.scalabledesign.com/articles/dummynet.html

linux has a netem which can do the same thing

http://www.linux-foundation.org/en/Net:Netem

joelja

Mike Lyon wrote:
> So I want to mimic some latency in a test network for DB replication.
> I am wondering what other's have used for this? Obviously, the best
> way to would be to actually have one box across the US or across the
> globe to actually test against but what if you don't have that? Are
> there any GPL software router solutions that would allow you to tweak
> the latency in between the two test boxes?
>
> Thanks in advance.
>
> -Mike
>
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