Damn! I slept through it, wasn't careful enough, thought it was 4 p.m. usa time. I hope you recorded it. thanks, Jay On Mon, Jan 22, 2024 at 12:14 AM Bill Woodcock via Nnagain < nnagain@lists.bufferbloat.net> wrote: > On Jan 19, 2024, at 09:36, Bill Woodcock wrote: > > On Jan 19, 2024, at 05:38, le berger des photons via Nnagain wrote: > On 1/18/2024 6:14 PM, Bill Woodcock via Nnagain wrote: > > Do y’all (meaning folks on the list generally) want to just organize up a > video-call, to talk about how IXPs work, and address questions? I can > get a few of my other staff on the call, who’ve also dealt with a lot of > IXPs, and can add to my perspective. > > > Ok… Normally we do things on our own Jitsi server, but since we don’t > really have a sense of how many folks will show up for this, we decided to > do it on Zoom. > > Join our Cloud HD Video Meeting > > us06web.zoom.us > > [image: zoom.ico] > > > > Or Zoom Meeting ID 861 3112 9506 and passcode 777245. > > 11pm Singapore, 4pm CET, 3pm UTC, 10am US east, 7am US west. > > There was a question as to whether it will be recorded and whether it can > be shared… Yes, everything PCH does is under a Creative Commons > Attribution Non-Commercial license. I’ll try to make sure that we record > and post the video. > > We’ll try to cover the diversity of ways IXPs get started, governed, and > grow, best-practices, and leave plenty of time for Q&A / discussion. > > Jay’s original question, regarding how an IXP would interact with a rural > community fiber network of 200 families in a 25km radius, provides a useful > starting-point for the conversation. For reference, his network is here: > > [image: AF1QipPyZ6Fk7ZzK9a8266YqxOjq0nKhIwhIjjAID3UA=w900-h900-k-no-p.jpeg] > > Dordogne · France > > google.com > > > > > [image: 1200px-Périgueux_préfecture_(2).JPG] > > Dordogne > en.wikipedia.org > > > Household income and poverty in 2019 − Localised disposable income system > (FiLoSoFi) – Results for all municipalities, departments, regions, > intermunicipal authorities ... > > insee.fr > [image: favicon.ico] > > > > [image: GettyImages-174602127-scaled.jpg] > > Behind the Dordogne’s right turn > > politico.eu > > > > It has an average population density of 46 people per square kilometer, > spread over 9,000 square kilometers, and the ten largest towns range from > 4,000 to 30,000 in population. GDPPP is EUR 26,000. 25% of the population > is under 30 years old. There are 400,000 people in 190,000 households, or > 2.1 people per household. > > This compares with density of 118 per Km^2, GDPPP of EUR 40,000, and 35% > under age 30 for France overall, and density of 20,000 per Km^2, GDPPP of > EUR 65,000, and 38% under 30 for Paris. So, the region has far lower > density than average, less money, and people are older on average. > Politics are more right-wing, and the sense (generally correct) in most of > France is that significant infrastructure projects are reserved for Paris, > while the rest of the country limps along behind at some years of remove. > > A typical town looks like this: > > [image: PastedGraphic-1.png] > > Five hundred people spread in a 500m radius around a road intersection, > with neighboring similar-sized towns three or four kilometers down each of > those roads in a relatively dense mesh. > > If Jay’s 25km estimate is accurate, that means his network is covering 20% > of the region. If the population were spread evenly, that would be 80,000 > people within his service region, in 38,000 households. The fact that he > mentions 200 families suggests to me that his network is in parts of > Dordogne that are more rural than average, since it would be very difficult > to maintain a network at only half-a-percent of homes passed. So I’m > guessing it doesn’t include any of those towns of thousands of people, and > is mostly made up of farms and the more typical villages of hundred, or > hamlets of dozens of people. > > There are no IXPs currently in Dordogne. In France, there are seventeen > IXes, with five in Paris and two in Marseille. The nearest IXPs to > Dordogne are seven peers in Pau, 260km to the SSW, and thirteen peers in > Toulouse, 200km to the SSE. The dense peering of Paris and Marseille are > each 500km away, in different directions. > > As a point of comparison, my family is from Montana, a similarly rural > area of the U.S., with a population density of 2.7 per square kilometer, > GDPPP of $45k (EUR 42,000), with towns spaced more like 25km apart. > Montana has two IXPs, and is 1,800km from the larger IXPs of Chicago and > the San Francisco Bay Area, and 1,300km from Seattle. I mention this > because people frequently think “no, the population density is too low > where I live, I have to backhaul to a big city far away." > > Anyway, we look forward to seeing whoever can make it on the call > tomorrow. Bring your questions and arguments! :-) > > -Bill > > > *Tokyo* > > *Singapore* > > *Mumbai* > > *Dubai* > > *Johannesburg* > > *Paris* > > *London* > > *New York* > > *San Francisco* > > Mon 5:00 pm > > Mon 4:00 pm > > Mon 1:30 pm > > Mon 12:00 noon > > Mon 10:00 am > > Mon 9:00 am > > Mon 8:00 am > > Mon 3:00 am > > Mon 12:00 midnight > > Mon 6:00 pm > > Mon 5:00 pm > > Mon 2:30 pm > > Mon 1:00 pm > > Mon 11:00 am > > Mon 10:00 am > > Mon 9:00 am > > Mon 4:00 am > > Mon 1:00 am > > Mon 7:00 pm > > Mon 6:00 pm > > Mon 3:30 pm > > Mon 2:00 pm > > Mon 12:00 noon > > Mon 11:00 am > > Mon 10:00 am > > Mon 5:00 am > > Mon 2:00 am > > Mon 8:00 pm > > Mon 7:00 pm > > Mon 4:30 pm > > Mon 3:00 pm > > Mon 1:00 pm > > Mon 12:00 noon > > Mon 11:00 am > > Mon 6:00 am > > Mon 3:00 am > > Mon 9:00 pm > > Mon 8:00 pm > > Mon 5:30 pm > > Mon 4:00 pm > > Mon 2:00 pm > > Mon 1:00 pm > > Mon 12:00 noon > > Mon 7:00 am > > Mon 4:00 am > > Mon 10:00 pm > > Mon 9:00 pm > > Mon 6:30 pm > > Mon 5:00 pm > > Mon 3:00 pm > > Mon 2:00 pm > > Mon 1:00 pm > > Mon 8:00 am > > Mon 5:00 am > > Mon 11:00 pm > > Mon 10:00 pm > > Mon 7:30 pm > > Mon 6:00 pm > > Mon 4:00 pm > > Mon 3:00 pm > > Mon 2:00 pm > > Mon 9:00 am > > Mon 6:00 am > > Tue 12:00 midnight > > Mon 11:00 pm > > Mon 8:30 pm > > Mon 7:00 pm > > Mon 5:00 pm > > Mon 4:00 pm > > Mon 3:00 pm > > Mon 10:00 am > > Mon 7:00 am > > Tue 1:00 am > > Tue 12:00 midnight > > Mon 9:30 pm > > Mon 8:00 pm > > Mon 6:00 pm > > Mon 5:00 pm > > Mon 4:00 pm > > Mon 11:00 am > > Mon 8:00 am > > Tue 2:00 am > > Tue 1:00 am > > Mon 10:30 pm > > Mon 9:00 pm > > Mon 7:00 pm > > Mon 6:00 pm > > Mon 5:00 pm > > Mon 12:00 noon > > Mon 9:00 am > > > _______________________________________________ > Nnagain mailing list > Nnagain@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/nnagain >