[171940] in North American Network Operators' Group
Re: Observations of an Internet Middleman (Level3) (was: RIP
daemon@ATHENA.MIT.EDU (Mark Tinka)
Fri May 16 15:42:07 2014
X-Original-To: nanog@nanog.org
From: Mark Tinka <mark.tinka@seacom.mu>
To: Scott Helms <khelms@zcorum.com>
Date: Fri, 16 May 2014 21:40:32 +0200
In-Reply-To: <CAMrdfRzwZB0bVEXDv1vKvhUK+oZg4dzXNBZN2rKHUSbUg9TLPg@mail.gmail.com>
Cc: NANOG <nanog@nanog.org>
Reply-To: mark.tinka@seacom.mu
Errors-To: nanog-bounces@nanog.org
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On Friday, May 16, 2014 05:45:06 PM Scott Helms wrote:
> Bandwidth use trends are actually increasingly
> asymmetical because of the popularity of OTT video.
>=20
> Social media, even with video uploading, simply doesn't
> generate that much traffic per session.
Our experience showed that there is a direct co-relation=20
between the lack of traffic in the upstream direction and=20
poor upload bandwidth (primarily, due to asymmetric tech.=20
such as ADSL), e.g., because of the ADSL I have at home=20
(512Kbps up, 4Mbps down), I generally do not send very large=20
e-mails when working from home; nor do I use my laptop for=20
remote router/switch updates as the software images are a=20
nightmare to upload.
And yes, there is a larger proportion of downstream traffic=20
than there is upstream traffic pretty much most of the time=20
(even with symmetric links). However, with symmetry,=20
upstream traffic will increase significantly as customers=20
realize it is now available.
One of the use-cases we thought about when deploying an FTTH=20
backbone was having remote PVR's. So rather than record and=20
save linear Tv programming on the STB, record and save it in=20
the network. This could only be done with symmetric=20
bandwidth.
Mark.
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