[160589] in North American Network Operators' Group
Re: The 100 Gbit/s problem in your network
daemon@ATHENA.MIT.EDU (Laurent GUERBY)
Fri Feb 8 15:59:34 2013
From: Laurent GUERBY <laurent@guerby.net>
To: joel jaeggli <joelja@bogus.com>
In-Reply-To: <51154905.2040502@bogus.com>
Date: Fri, 08 Feb 2013 21:58:56 +0100
Cc: North American Network Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, 2013-02-08 at 10:50 -0800, joel jaeggli wrote:
> On 2/8/13 9:46 AM, fredrik danerklint wrote:
> >>> About 40 - 50 Mbit/s. Not bad at all.
> >>>
> >>> Downloading software does not have to be in real-time, like watching
> >>> a movie, does.
> >> In both cases it's actually rather convenient if it's as fast as
> >> possible,
> >
> > Yes. What I would like to have is to allow the access switch, which a
> > customer for an ISP is connected to, to let the customer have 1 Gbit/s
> > of bandwidth if the traffic is to or from the cache servers at their
> > ISP.
> >
> You're positing a situation where a cache infrastructure at scale built
> close to the user has a sufficiently high hit rate for rather large
> objects to be more cost effective than increasing capacity in the
> middle of the network as the bandwidth/price curve declines. My early
> career as an http cache dude makes me a bit suspicious. I'm pretty
> confident that denser/cheaper/faster silicon is less expensive than
> deploying boxes of spinning disks closer to the customer(s) than they
> are today (netflix's cache for example isn't that close to the edge
> (would support 2-10k simultaneous customers for that one application per
> box), it aims to get inside the isp however) when you add
> power/cooling/space/lifecycle-maintenance (I'm a datacenter operator) if
> it wasn't the CDN's would have pushed even closer to the edge. Of course
> if you can limit consumer choice then you can push your hit rate to 100%
> but then you're running a VOD service in a walled garden and there are
> plenty of those already.
>
> That said provide compelling numbers and I'll change my mind.
The "problem" with increasing capacity is that it opens up captive
eyeballs to innovative services from "outside": monopoly operators will
prefer to deal with CDN providers & the like and keep control.
Sincerely,
Laurent
