Peering and Network Cost
anthony.kosednar at gmail.com
Fri May 22 03:07:01 UTC 2015
On Thursday, May 21, 2015, Mark Tinka <mark.tinka at seacom.mu> wrote:
> On 21/May/15 18:59, Dave Taht wrote:
> > Two things I am curious about are 1) What is the measured benefit of
> > moving a netflix server into your local ISP network
> > and 2) does anyone measure "cross town latency". If we lived in a
> > world where skype/voip/etc transited the local town only,
> > what sort of latencies would be see within an ISP and within a
> > cross-connect from, say a gfiber to a comcast?
> On average, 1ms for every 100km.
> We've seen this in practice - consistently - for any fibre deployed
> within the same town/city.
> Unless someone does something very wrong with the fibre, suffers
> terrible hardware issues, deliberately implements debilitating bandwidth
> management or does a piss-poor job of network design, it would be
> reasonably hard to go above +/- 1ms for traffic that originates and
> terminates within the same town, let alone 6 miles of speaking parties.
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