[Cryptography] Washington Post: Google racing to encrypt links between data centers

[Marcus D. Leech]

On 09/06/2013 07:38 PM, Perry E. Metzger wrote:
> Quoting:
>
>     Google is racing to encrypt the torrents of information that flow
>     among its data centers around the world, in a bid to thwart
>     snooping by the NSA as well as the intelligence agencies of foreign
>     governments, company officials said on Friday.
>
>     The move by Google is among the most concrete signs yet that recent
>     revelations about the National Security Agency’s sweeping
>     surveillance efforts have provoked significant backlash within an
>     American technology industry that U.S. government officials long
>     courted as a potential partner in spying programs.
>
> http://www.washingtonpost.com/business/technology/google-encrypts-data-amid-backlash-against-nsa-spying/2013/09/06/9acc3c20-1722-11e3-a2ec-b47e45e6f8ef_story.html
>
One wonders why they weren't already using link encryption systems?