[162992] in North American Network Operators' Group

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Re: Variety, On The Media, don't understand the Internet

daemon@ATHENA.MIT.EDU (Patrick W. Gilmore)
Tue May 14 20:56:04 2013

From: "Patrick W. Gilmore" <patrick@ianai.net>
In-Reply-To: <51929626.9030504@vaxination.ca>
Date: Tue, 14 May 2013 20:55:50 -0400
To: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On May 14, 2013, at 15:53 , Jean-Francois Mezei =
<jfmezei_nanog@vaxination.ca> wrote:
> =08On 13-05-14 13:06, Jay Ashworth wrote:
>=20
>>  =
http://variety.com/2013/digital/news/netflix-puts-even-more-strain-on-the-=
internet-1200480561/
>>=20
>> they suggest that Akamai and other ISP-side caching is either not
>> affecting these numbers and their pertinence to the "backbone" at =
all,
>> or not much.
>=20
>=20
> This is from a Sandvine press release. Sandvine measures traffic at =
the
> last mile, so it doesn't really know whether a Netflix stream is =
coming
> from a local caching server within the carrier's LAN, from a caching
> server that is peering with the carrier, or via the real internet.
>=20
> In the case of a large ISP with a Netflix cache server accessible
> locally, (either in-house, or via peering at a local carrier hotel), =
the
> traffic doesn't really travel on the internet.

Since when is peering not part of the Internet? Since when is even =
on-net caches not part of the Internet?

I always thought if I am on the Internet, anything I ping is "on the =
Internet". (I am intentionally ignoring things like split tunnel VPN =
nodes.)

Perhaps you think of the "Internet" as the "tier ones" or something?


> But for smaller ISPs, the traffic will travel on the internet between
> the nearest cache server and their facilities.

I guess you assume smaller ISPs don't peer? Unfortunately, reality =
disagrees with you, 100s if not 1000s of times.

Still confused about this whole notion, though. Perhaps you can clarify?


> Because of caching, the load on the actual internet won't increase as
> much as the amoount streamed onto last mile infrastructure.

Uh....

I give up.

--=20
TTFN,
patrick



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