RE: Traffic ratio of an ISP

["Keith Medcalf" <kmedcalf () dessus com>]

Having an inbound:outbound ration of 10:1 is known as a leech ...

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The fact that there's a Highway to Hell but only a Stairway to Heaven says a lot about anticipated traffic volume.

> -----Original Message-----
> From: NANOG [mailto:nanog-bounces () nanog org] On Behalf Of Prasun Dey
> Sent: Wednesday, 19 June, 2019 14:58
> To: Aaron Gould
> Cc: nanog () nanog org
> Subject: Re: Traffic ratio of an ISP
>
> Thank you Aaron,
> This is great. This gives an interesting insight regarding CDN as
> they seem to play a big role here. However, in general, what do you
> call your ISP as? A 'Heavy Inbound' or 'Mostly Inbound'? Is there any
> community standard about this ratio (having 1:10 or higher) to be
> treated as Heavy Inbound? Or this is just a rough estimation?
>
> Thank you.
> -
> Prasun
>
> Regards,
> Prasun Kanti Dey
> Ph.D. Candidate,
> Dept of Electrical and Computer Engineering,
> University of Central Florida
> web: https://prasunkantidey.github.io/portfolio/
>
>
>
>
>
>
>
>       On Jun 19, 2019, at 2:18 PM, Aaron Gould <aaron1 () gvtc com>
> wrote:
>
>       I run an eyeballs/isp network for about ~50,000 subscribers, and
> I see about 1:10 ratio at peak time.  Last night ~4.5 gbps out, ~45
> gbps in.  But, I do have local caching of 4 big name cdn cache
> providers, so that might alter the 1:10 ratio I see on my actual inet
> links (which do not include the local cdn traffic)
>
>       …take Netflix for instance… I see on my local nfx cdn links,
> 1:100 ratio of in:out.  20 gbps inbound and .2 gbps outbound  (during
> that same timeframe as aforementioned actual inet links)
>
>       Numbers based on 21:00 CDT last night.
>
>
>       -Aaron