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Date: Sun, 12 Jul 2009 19:23:54 +0300
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From: Digwuren <digwuren@gmail.com>
To: Wikipedia statistics <folks@wikipedometer.net>
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	Content preview:  On Sun, Jul 12, 2009 at 18:59, Piotr Konieczny
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	Wikipedia servers (and Google, > for that matter) are from a terrorist
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	Content preview:  On Sun, Jul 12, 2009 at 18:59, Piotr Konieczny
	<piokon@post.pl> wrote: > Btw, I was wondering how well protected
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On Sun, Jul 12, 2009 at 18:59, Piotr Konieczny <piokon@post.pl> wrote:

> Btw, I was wondering how well protected Wikipedia servers (and Google,
> for that matter) are from a terrorist attack.


It depends.  Are the terrorists attacking Google or Wikipedia in specific,
or is damage to them a side effect of another attack?

Google is widely distributed, and its parallelism is, among other nifty
features, self-repairing.  Its infrastructure will survive loss of
even a whole server building, albeit with a risk of possible local
service outage.
 Risk to data is hard to properly estimate, but seems relatively small.

Wikipedia's server distribution is mainly oriented towards load
balancing, which means that loss of a serving facility is likely to
cause extended outage.  Loss of recent contributions is possible
in such an event.  Most of the old content will survive even Wikimedia
Foundation's bankruptcy,
however, because it's backed up the Linus Torvalds way.

-- 
Andres Soolo

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<div class=3D"gmail_quote">On Sun, Jul 12, 2009 at 18:59, Piotr Konieczny <=
span dir=3D"ltr">&lt;piokon@post.pl&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex;">
<div class=3D"im">Btw, I was wondering how well protected Wikipedia servers=
 (and Google,</div>
for that matter) are from a terrorist attack.</blockquote><div><br></div><d=
iv>It depends. =C2=A0Are the terrorists attacking Google or Wikipedia in sp=
ecific, or is damage to them a side effect of another attack?</div><div><br=
>
</div><div>Google=C2=A0is=C2=A0widely=C2=A0distributed,=C2=A0and=C2=A0its=
=C2=A0parallelism=C2=A0is, among other nifty features,=C2=A0self-repairing.=
=C2=A0=C2=A0Its=C2=A0infrastructure=C2=A0will=C2=A0survive=C2=A0loss=C2=A0o=
f=C2=A0even=C2=A0a=C2=A0whole=C2=A0server=C2=A0building,=C2=A0albeit=C2=A0w=
ith=C2=A0a=C2=A0risk=C2=A0of=C2=A0possible=C2=A0local=C2=A0service=C2=A0out=
age. =C2=A0Risk to data is hard to properly estimate, but seems relatively =
small.</div>
<div><br></div><div>Wikipedia&#39;s=C2=A0server=C2=A0distribution=C2=A0is=
=C2=A0mainly=C2=A0oriented=C2=A0towards=C2=A0load=C2=A0balancing,=C2=A0whic=
h=C2=A0means=C2=A0that=C2=A0loss=C2=A0of=C2=A0a=C2=A0serving=C2=A0facility=
=C2=A0is=C2=A0likely=C2=A0to=C2=A0cause=C2=A0extended=C2=A0outage.=C2=A0=C2=
=A0Loss=C2=A0of=C2=A0recent=C2=A0contributions=C2=A0is=C2=A0possible in suc=
h an event.=C2=A0=C2=A0Most=C2=A0of=C2=A0the=C2=A0old=C2=A0content=C2=A0wil=
l=C2=A0survive even Wikimedia Foundation&#39;s bankruptcy, however,=C2=A0be=
cause=C2=A0it&#39;s=C2=A0backed=C2=A0up=C2=A0the=C2=A0Linus=C2=A0Torvalds=
=C2=A0way.</div>
<div><br></div></div>-- <br>Andres Soolo<br>

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