[166588] in North American Network Operators' Group
Re: latest Snowden docs show NSA intercepts all Google and Yahoo
daemon@ATHENA.MIT.EDU (Michael Still)
Fri Nov 1 00:27:08 2013
In-Reply-To: <83fdcc19e3a16ef9d7b527918606b4e3@explanoit.com>
Date: Fri, 1 Nov 2013 15:26:58 +1100
From: Michael Still <mikal@stillhq.com>
To: explanoit <explanoit.nanog@explanoit.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, Nov 1, 2013 at 1:48 PM, explanoit <explanoit.nanog@explanoit.com> wrote:
> As a top-posting IT generalist pleb, can someone explain why Google/Yahoo
> did not already encrypt their data between DCs?
> Why is my data encrypted over the internet from my computer to theirs, but
> they don't encrypt the data when it goes outside their building and all the
> fancy access controls they like to talk about?
Its about the CPU cost of the crypto. I was once told the number of
CPUs required to do SSL on web search (which I have now forgotten) and
it was a bigger number than you'd expect -- certainly hundreds.
So, crypto costs money at scale basically.
Cheers,
Michael
