<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"><span></span></div><div dir="ltr">Hi Keith,<div>Honestly? I don’t! I have never worked with an ISP or similar. If I ever get the chance, that would be exciting. Until then, I think this platform is one of the best places where I can get the answer from the people who has first-hand experience in this field.</div><div>Your classification is also interesting. I’d love to know if this is how people classify their networks.</div><div>Thanks for sharing your observations.<br><br>-</div><div>Prasun</div><div><br><div id="AppleMailSignature" dir="ltr"><span style="background-color: rgba(255, 255, 255, 0);">Regards,<br class="">Prasun Kanti Dey<br class="">Ph.D. Candidate,<br class="">Dept of Electrical and Computer Engineering,<br class="">University of Central Florida<br class="">web: <a href="https://prasunkantidey.github.io/portfolio/" class="">https://prasunkantidey.github.io/portfolio</a>/</span></div><div dir="ltr"><br>On Jun 20, 2019, at 12:21 PM, Keith Medcalf <<a href="mailto:kmedcalf@dessus.com">kmedcalf@dessus.com</a>> wrote:<br><br></div><blockquote type="cite"><div dir="ltr"><span></span><br><span>Why would you think that "Heavy Inbound" signifies a greater inbound:oubound ratio compared to "Mostly Inbound"?</span><br><span></span><br><span>To me "Heavy Inbound" means that there is more inbound than outbound and "Mostly Inbound" means exactly that -- mostly/usually/exclusively inbound with the occasional outbound byte or two.</span><br><span></span><br><span>---</span><br><span>The fact that there's a Highway to Hell but only a Stairway to Heaven says a lot about anticipated traffic volume.</span><br><span></span><br><span></span><br><blockquote type="cite"><span>-----Original Message-----</span><br></blockquote><blockquote type="cite"><span>From: NANOG [<a href="mailto:nanog-bounces@nanog.org">mailto:nanog-bounces@nanog.org</a>] On Behalf Of Prasun Dey</span><br></blockquote><blockquote type="cite"><span>Sent: Wednesday, 19 June, 2019 15:33</span><br></blockquote><blockquote type="cite"><span>To: Mike Hammett</span><br></blockquote><blockquote type="cite"><span>Cc: <a href="mailto:nanog@nanog.org">nanog@nanog.org</a></span><br></blockquote><blockquote type="cite"><span>Subject: Re: Traffic ratio of an ISP</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Thank you, Mike.</span><br></blockquote><blockquote type="cite"><span>From an outsider, I don’t have any information of an ISP’s traffic</span><br></blockquote><blockquote type="cite"><span>numbers. And this may be confidential unless we are using any</span><br></blockquote><blockquote type="cite"><span>measurement platform, which CAIDA is doing. To get a rough idea about</span><br></blockquote><blockquote type="cite"><span>any ISP’s traffic outbound:inbound ratio I can only see it's</span><br></blockquote><blockquote type="cite"><span>PeeringDB label. But, the question is whether there is any community</span><br></blockquote><blockquote type="cite"><span>decided values against these labels?</span><br></blockquote><blockquote type="cite"><span>Like,</span><br></blockquote><blockquote type="cite"><span>1:2 = Balanced</span><br></blockquote><blockquote type="cite"><span>1:5 = Mostly Inbound</span><br></blockquote><blockquote type="cite"><span>1:10 = Heavy Inbound</span><br></blockquote><blockquote type="cite"><span>10:1 = Heavy Outbound</span><br></blockquote><blockquote type="cite"><span>I just came up with these values. They don’t mean anything. I don’t</span><br></blockquote><blockquote type="cite"><span>have any solid evidence or source to support them. So, my question</span><br></blockquote><blockquote type="cite"><span>is, what people actually use? Or, it totally depends on the ISPs and</span><br></blockquote><blockquote type="cite"><span>they vary.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>-</span><br></blockquote><blockquote type="cite"><span>Prasun</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Regards,</span><br></blockquote><blockquote type="cite"><span>Prasun Kanti Dey</span><br></blockquote><blockquote type="cite"><span>Ph.D. Candidate,</span><br></blockquote><blockquote type="cite"><span>Dept of Electrical and Computer Engineering,</span><br></blockquote><blockquote type="cite"><span>University of Central Florida</span><br></blockquote><blockquote type="cite"><span>web: <a href="https://prasunkantidey.github.io/portfolio/">https://prasunkantidey.github.io/portfolio/</a></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> On Jun 19, 2019, at 5:18 PM, Mike Hammett <<a href="mailto:nanog@ics-il.net">nanog@ics-il.net</a>></span><br></blockquote><blockquote type="cite"><span>wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Yes, you seem to misunderstand (at least of what I understand).</span><br></blockquote><blockquote type="cite"><span>PeeringDB has categories of ratios to choose from. What has the</span><br></blockquote><blockquote type="cite"><span>community decided is acceptable ratios for each category? It's fairly</span><br></blockquote><blockquote type="cite"><span>trivial for any network to determine what their ratio is as a number,</span><br></blockquote><blockquote type="cite"><span>but not necessarily as a PeeringDB label.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> -----</span><br></blockquote><blockquote type="cite"><span> Mike Hammett</span><br></blockquote><blockquote type="cite"><span> Intelligent Computing Solutions <<a href="http://www.ics-il.com/">http://www.ics-il.com/</a>></span><br></blockquote><blockquote type="cite"><span> <<a href="https://www.facebook.com/ICSIL">https://www.facebook.com/ICSIL</a>></span><br></blockquote><blockquote type="cite"><span><<a href="https://plus.google.com/+IntelligentComputingSolutionsDeKalb">https://plus.google.com/+IntelligentComputingSolutionsDeKalb</a>></span><br></blockquote><blockquote type="cite"><span><<a href="https://www.linkedin.com/company/intelligent-computing-solutions">https://www.linkedin.com/company/intelligent-computing-solutions</a>></span><br></blockquote><blockquote type="cite"><span><<a href="https://twitter.com/ICSIL">https://twitter.com/ICSIL</a>></span><br></blockquote><blockquote type="cite"><span> Midwest Internet Exchange <<a href="http://www.midwest-ix.com/">http://www.midwest-ix.com/</a>></span><br></blockquote><blockquote type="cite"><span> <<a href="https://www.facebook.com/mdwestix">https://www.facebook.com/mdwestix</a>></span><br></blockquote><blockquote type="cite"><span><<a href="https://www.linkedin.com/company/midwest-internet-exchange">https://www.linkedin.com/company/midwest-internet-exchange</a>></span><br></blockquote><blockquote type="cite"><span><<a href="https://twitter.com/mdwestix">https://twitter.com/mdwestix</a>></span><br></blockquote><blockquote type="cite"><span> The Brothers WISP <<a href="http://www.thebrotherswisp.com/">http://www.thebrotherswisp.com/</a>></span><br></blockquote><blockquote type="cite"><span> <<a href="https://www.facebook.com/thebrotherswisp">https://www.facebook.com/thebrotherswisp</a>></span><br></blockquote><blockquote type="cite"><span><<a href="https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg">https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg</a>></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>________________________________</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> From: "Josh Luthman" <<a href="mailto:josh@imaginenetworksllc.com">josh@imaginenetworksllc.com</a>></span><br></blockquote><blockquote type="cite"><span> To: "Prasun Dey" <<a href="mailto:prasun@nevada.unr.edu">prasun@nevada.unr.edu</a>></span><br></blockquote><blockquote type="cite"><span> Cc: <a href="mailto:nanog@nanog.org">nanog@nanog.org</a></span><br></blockquote><blockquote type="cite"><span> Sent: Wednesday, June 19, 2019 3:23:33 PM</span><br></blockquote><blockquote type="cite"><span> Subject: Re: Traffic ratio of an ISP</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> >my question was more like to understand when an ISP decides to</span><br></blockquote><blockquote type="cite"><span>claim itself as any of these (Heavy Outbound/ Inbound or Balanced)</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Maybe I'm missing something but it's as simple as looking at the</span><br></blockquote><blockquote type="cite"><span>interface graphs. We see a whole lot of green for inbound and a</span><br></blockquote><blockquote type="cite"><span>little little blue line for outbound. We are an ISP with residential</span><br></blockquote><blockquote type="cite"><span>and commercial customers.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Josh Luthman</span><br></blockquote><blockquote type="cite"><span> Office: 937-552-2340</span><br></blockquote><blockquote type="cite"><span> Direct: 937-552-2343</span><br></blockquote><blockquote type="cite"><span> 1100 Wayne St</span><br></blockquote><blockquote type="cite"><span> Suite 1337</span><br></blockquote><blockquote type="cite"><span> Troy, OH 45373</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> On Wed, Jun 19, 2019 at 4:20 PM Prasun Dey</span><br></blockquote><blockquote type="cite"><span><<a href="mailto:prasun@nevada.unr.edu">prasun@nevada.unr.edu</a>> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Hi Martijn and Josh,</span><br></blockquote><blockquote type="cite"><span> Thank you for your detailed explanation. Let me explain my</span><br></blockquote><blockquote type="cite"><span>requirement so that you may help me better.</span><br></blockquote><blockquote type="cite"><span> According to PeeringDB, Charter (Access), Sprint</span><br></blockquote><blockquote type="cite"><span>(Transit), Amazon (Content) all three of them are ‘Balanced’. While,</span><br></blockquote><blockquote type="cite"><span>Cable One, an Access ISP says it is Heavy Inbound, while Akamai,</span><br></blockquote><blockquote type="cite"><span>Netflix (Content) are Heavy Outbound. On the other hand, Cox, another</span><br></blockquote><blockquote type="cite"><span>access ISP, it says that it is Mostly Inbound.</span><br></blockquote><blockquote type="cite"><span> So, my question was more like to understand when an ISP</span><br></blockquote><blockquote type="cite"><span>decides to claim itself as any of these (Heavy Outbound/ Inbound or</span><br></blockquote><blockquote type="cite"><span>Balanced)? From an ISP’s own point of view, at what point, it says,</span><br></blockquote><blockquote type="cite"><span>my outbound:inbound is something, so I’m Heavy Outbound.</span><br></blockquote><blockquote type="cite"><span> Please ignore my lack of knowledge in this area. I’m sorry</span><br></blockquote><blockquote type="cite"><span>I should’ve done a better job in formulating my question earlier.</span><br></blockquote><blockquote type="cite"><span> Thank you.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> -</span><br></blockquote><blockquote type="cite"><span> Prasun</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Regards,</span><br></blockquote><blockquote type="cite"><span> Prasun Kanti Dey</span><br></blockquote><blockquote type="cite"><span> Ph.D. Candidate,</span><br></blockquote><blockquote type="cite"><span> Dept of Electrical and Computer Engineering,</span><br></blockquote><blockquote type="cite"><span> University of Central Florida</span><br></blockquote><blockquote type="cite"><span> web: <a href="https://prasunkantidey.github.io/portfolio/">https://prasunkantidey.github.io/portfolio/</a></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> On Jun 19, 2019, at 2:13 PM, <a href="http://i3D.net">i3D.net</a></span><br></blockquote><blockquote type="cite"><span><<a href="http://i3d.net/">http://i3d.net/</a>> - Martijn Schmidt <<a href="mailto:martijnschmidt@i3d.net">martijnschmidt@i3d.net</a>> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> It kinda depends on the application that's being</span><br></blockquote><blockquote type="cite"><span>used. For example, videogaming has a ratio somewhere around 1:2.5</span><br></blockquote><blockquote type="cite"><span>since you're only transmitting metadata about the players environment</span><br></blockquote><blockquote type="cite"><span>across the wire. The actual video is typically rendered at the end</span><br></blockquote><blockquote type="cite"><span>user's side. So it's not very bandwidth heavy.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Compare that with a videostream (watching a movie or</span><br></blockquote><blockquote type="cite"><span>TV series) and you're pumping the rendered video across the wire, so</span><br></blockquote><blockquote type="cite"><span>there's a very different ratio. Your return path traffic would pretty</span><br></blockquote><blockquote type="cite"><span>much consist of control stuff only (like pushing the pause button).</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Some networks are dedicated to serving one type of</span><br></blockquote><blockquote type="cite"><span>content, whereas others might have a blend of different kinds of</span><br></blockquote><blockquote type="cite"><span>content. Same story for an access network geared to business users</span><br></blockquote><blockquote type="cite"><span>which want to use emails and such, vs residential end users looking</span><br></blockquote><blockquote type="cite"><span>for the evening's entertainment.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Best regards,</span><br></blockquote><blockquote type="cite"><span> Martijn</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> On 19 June 2019 19:54:45 CEST, Josh Luthman</span><br></blockquote><blockquote type="cite"><span><<a href="mailto:josh@imaginenetworksllc.com">josh@imaginenetworksllc.com</a>> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> If you're asking an ISP, consumers will always</span><br></blockquote><blockquote type="cite"><span>be inbound. It's the end user. The outbound would be where the</span><br></blockquote><blockquote type="cite"><span>information is coming from, like data centers.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> I'm not sure you're going to get any better</span><br></blockquote><blockquote type="cite"><span>answer without a more specific question.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Josh Luthman</span><br></blockquote><blockquote type="cite"><span> Office: 937-552-2340</span><br></blockquote><blockquote type="cite"><span> Direct: 937-552-2343</span><br></blockquote><blockquote type="cite"><span> 1100 Wayne St</span><br></blockquote><blockquote type="cite"><span> Suite 1337</span><br></blockquote><blockquote type="cite"><span> Troy, OH 45373</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> On Wed, Jun 19, 2019 at 12:50 PM Prasun Dey</span><br></blockquote><blockquote type="cite"><span><<a href="mailto:prasun@nevada.unr.edu">prasun@nevada.unr.edu</a>> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Hello,</span><br></blockquote><blockquote type="cite"><span> Good morning.</span><br></blockquote><blockquote type="cite"><span> I’m a Ph.D. candidate from University of</span><br></blockquote><blockquote type="cite"><span>Central Florida. I have a query, I hope you can help me with it or at</span><br></blockquote><blockquote type="cite"><span>least point me to the right direction.</span><br></blockquote><blockquote type="cite"><span> I’ve seen from PeeringDB that every ISP</span><br></blockquote><blockquote type="cite"><span>reveals its traffic ratio as Heavy/ Mostly Inbound or Balanced or</span><br></blockquote><blockquote type="cite"><span>Heavy/ Mostly Outbound.</span><br></blockquote><blockquote type="cite"><span> I’m wondering if there is any specific</span><br></blockquote><blockquote type="cite"><span>ratio numbers for them. In Norton’s Internet Peering Playbook or some</span><br></blockquote><blockquote type="cite"><span>other literary work, they mention the outbound:inbound traffic ratio</span><br></blockquote><blockquote type="cite"><span>as 1:1.2 to up to 1:3 for Balanced. But, I couldn’t find the other</span><br></blockquote><blockquote type="cite"><span>values.</span><br></blockquote><blockquote type="cite"><span> I’d really appreciate your help if you can</span><br></blockquote><blockquote type="cite"><span>please mention what Outbound:Inbound ratios that network admins use</span><br></blockquote><blockquote type="cite"><span>frequently to represent their traffic ratios for</span><br></blockquote><blockquote type="cite"><span> 1. Heavy Inbound:</span><br></blockquote><blockquote type="cite"><span> 2. Mostly Inbound:</span><br></blockquote><blockquote type="cite"><span> 3. Mostly Outbound:</span><br></blockquote><blockquote type="cite"><span> 4. Heavy Outbound:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Thank you.</span><br></blockquote><blockquote type="cite"><span> -</span><br></blockquote><blockquote type="cite"><span> Prasun</span><br></blockquote><blockquote type="cite"><span> --</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> Sincerely,</span><br></blockquote><blockquote type="cite"><span> Prasun Kanti Dey,</span><br></blockquote><blockquote type="cite"><span> Ph.D. candidate,</span><br></blockquote><blockquote type="cite"><span> Dept. of Electrical and Computer</span><br></blockquote><blockquote type="cite"><span>Engineering,</span><br></blockquote><blockquote type="cite"><span> University of Central Florida.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span> --</span><br></blockquote><blockquote type="cite"><span> Sent from my Android device with K-9 Mail. Please</span><br></blockquote><blockquote type="cite"><span>excuse my brevity.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><span></span><br><span></span><br><span></span><br><span></span><br></div></blockquote></div></div></body></html>