[104227] in North American Network Operators' Group
Re: [NANOG] Introducing latency for testing?
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Fri May 2 16:32:17 2008
Date: Fri, 02 May 2008 13:29:12 -0700
From: Joel Jaeggli <joelja@bogus.com>
To: Mike Lyon <mike.lyon@gmail.com>
In-Reply-To: <1b5c1c150805021312h33ba56dcxd448b2b1bb206d2e@mail.gmail.com>
Cc: NANOG <nanog@merit.edu>
Errors-To: nanog-bounces@nanog.org
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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