WEBVTT

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<v Elektra>Hello, everyone! Hallo! Ihr hört das Freifunkradio. You're listening to Freifunkradio.

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<v Elektra>Now, today we're going to broadcast in English because this is a pre-production

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<v Elektra>from the Wireless Community Weekend.

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<v Elektra>And we have a guest from the United States, from New York City.

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<v Elektra>Zach is with us, from New York City Wireless.

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<v Zach>Hello, hello. Zach Giles from New York City.

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<v Andi>New York City Mesh.

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<v Elektra>Yeah, it's great to have you here and one of the rare opportunities to talk

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<v Elektra>to someone from from over the ocean.

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<v Elektra>And yes, maybe we mostly start when we're talking with communities.

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<v Elektra>What's the state of your community? How many devices, routers,

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<v Elektra>nodes do you have deployed and so on.

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<v Andi>Yeah, our network is quite large now.

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<v Zach>It covers a large portion of southern Manhattan, which is kind of the main island in New York City.

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<v Zach>And then we cover, I don't know, maybe half of Brooklyn.

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<v Zach>And we've also jumped up to the Upper West Side in New York City and all the way up to the Bronx.

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<v Andi>And that's kind of important.

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<v Zach>Because we've had a goal of getting to the Bronx for quite a while because it's

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<v Zach>sort of much more low income and generally.

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<v Zach>And it's generally kind of we want to be of use to people in the area.

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<v Andi>So we're serving everybody.

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<v Zach>You know, the rich and the poor, but we want to make sure that we also make

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<v Zach>the network available in low-income areas.

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<v Andi>So, yeah, we have maybe 3,000.

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<v Zach>To 5,000 people using it daily.

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<v Andi>We don't really know how.

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<v Zach>Many people because we don't track the people. We push through maybe about 4

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<v Zach>or 5 gigabits in the evening time continuously out of the network.

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<v Andi>We're in about 800 buildings.

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<v Zach>Which is pretty big, I think. And I don't know, a couple thousand.

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<v Andi>We have about 2,600.

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<v Zach>Routes in our routing table. So the route is roughly like a building or a router

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<v Zach>that has a subnetwork on it.

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<v Andi>So we probably have around 2,000.

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<v Zach>Devices.

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<v Andi>I don't really know at the moment how many, but we're in about 800 buildings.

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<v Andi>Yeah, it's quite sizable.

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<v Zach>We also have done fiber to some buildings. About...

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<v Zach>Maybe six buildings, maybe five or six buildings have fiber to the premise and

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<v Zach>up the riser and into people's apartments even, some apartments.

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<v Andi>Some buildings have all apartments.

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<v Zach>Some have some apartments.

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<v Andi>But yeah, we're both wireless and wired.

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<v Zach>It's all non-profit, donation-based still. So yeah, we're quite big at this point.

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<v Elektra>So you expanded since we had one of you with us

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<v Elektra>quite a while ago. I think at this point it was just in Manhattan.

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<v Andi>Well, we were always in Brooklyn as well.

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<v Zach>Our first super node was in Manhattan and our second super node was in Brooklyn.

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<v Zach>Eventually that one went away and our third super node is also in Brooklyn.

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<v Andi>So the bulk of our network is actually in Brooklyn.

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<v Zach>Most of the high points and the different people who really want to be on the

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<v Zach>network are in Brooklyn.

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<v Andi>It kind of works out because Brooklyn has.

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<v Zach>Generally shorter buildings

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<v Andi>And it's kind of interesting if you think about It's like there's mountains and valleys.

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<v Zach>Some of these networks have like something on a mountaintop when they shoot

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<v Zach>signals down to a valley.

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<v Andi>New York City.

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<v Zach>Has mountains and valleys as well. The mountains are these high buildings and

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<v Zach>the valleys are these neighborhoods. And so we're kind of limited on being able

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<v Andi>To go too.

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<v Zach>Far north without fiber because there's buildings that are in the way.

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<v Zach>There's these giant mountains we can't cross. But in downtown, we can kind of be

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<v Andi>On a few tall.

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<v Zach>Ones and shoot down into the Brooklyn,

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<v Andi>Use some of the.

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<v Zach>Housing authority buildings to get up high again and shoot down again. Yeah.

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<v Elektra>So you're allowed to build nodes on government or city buildings?

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<v Andi>Yeah, so we've worked out a couple of ways to do it. In New York City, there's an agency.

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<v Zach>Called the New York City Housing Authority, and they run kind of low-income

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<v Zach>housing for rent. They're one of the biggest landlords in New York City,

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<v Zach>and it's like a pseudo-government thing. And so

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<v Andi>We made a.

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<v Zach>Deal with them at some point that we could be uncertain of their buildings,

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<v Zach>and we are. We're in about maybe five of their buildings.

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<v Andi>Some of those buildings.

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<v Zach>We also serve the residents down below. Other of the buildings,

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<v Zach>we're not allowed to for whatever reason. And so we're in a number of their buildings.

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<v Andi>We're also on Columbia University rooftop.

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<v Zach>CCNY is like the New York State, one of the colleges.

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<v Andi>We're on, we also have some deals where.

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<v Zach>I say deals lightly, but we have some situations where there's some regulations that

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<v Andi>Certain building types must provide internet for their residents.

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<v Andi>They must make it available to the residents.

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<v Andi>And so some of these buildings have asked us to be in the building. And so by doing that.

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<v Zach>We get on the rooftop as well. And so those are some positive ones for us.

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<v Elektra>Amazing. And how many volunteers are you?

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<v Andi>A few hundred. A few hundred?

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<v Zach>Down.

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<v Andi>Yeah. Now on a daily basis, or on like a.

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<v Zach>We have a weekly kind of,

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<v Andi>Um, we have a weekly meetup, if you will. Um, we also have like an.

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<v Zach>Office space that we've rented or kind of a workshop space. It's about the size of this room.

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<v Andi>Um, and we, we meet up maybe 20 people per week.

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<v Andi>Okay. Um, if we go on some journey, we'll probably have more people.

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<v Zach>If we, uh,

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<v Andi>Do like one of our monthly bigger meetings.

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<v Zach>We'll probably have maybe 50.

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<v Andi>Okay. But here and there is 200 ish going on.

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<v Elektra>That's the big numbers. Amazing numbers.

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<v Andi>I mean, it's not as much as it could be, but it's, you know.

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<v Zach>I guess, if you think about one of the challenges of probably every community

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<v Zach>network is participation, right?

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<v Zach>You know, what percentage of the users are fully participating?

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<v Zach>And, you know,

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<v Andi>For us it's a very small percentage.

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<v Zach>But it's still a good number of people.

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<v Elektra>Yeah, and maybe speaking of

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<v Elektra>technology, what kind of devices and firmwares do you use in your network?

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<v Andi>So we used to use the LibreMesh type firmwares and devices.

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<v Andi>We've since moved off of that, not because we don't want it,

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<v Andi>but more because we thought about making a more standards-based approach.

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<v Andi>So even though OLSR and Batman and BMX.

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<v Zach>These are all very nice, well-developed protocols,

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<v Andi>But it means that I can't use a.

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<v Zach>Cisco switch or a Juniper switch if someone gives it to you.

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<v Andi>And maybe that's good, maybe it's bad, I don't know.

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<v Zach>So we've decided to go with OSPF.

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<v Andi>And so we're using OSPF everywhere. There's another network in.

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<v Zach>South Africa that

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<v Andi>Also is using OSPF, and we kind of looked at them and saw how big their network

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<v Andi>was and thought about it.

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<v Zach>And there's some things we liked that they did and some things we didn't like that they did.

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<v Andi>So we took that concept of OSPF.

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<v Zach>And we've kind of tuned OSPF

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<v Andi>And done some nice things with the.

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<v Zach>Costing and the subnetting in order to make it so that it works in our environment.

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<v Andi>So we use a lot of MicroTik, even though they're not open source.

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<v Andi>One of the big reasons we use MicroTik is because,

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<v Andi>It's very easy for people to understand how to do it. I can teach someone very

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<v Andi>quickly how to build a node.

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<v Andi>We have a configuration generator on our website. You can type in your node number.

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<v Zach>We assign node numbers,

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<v Andi>So we can talk about that too. You type in a node number and then the type of

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<v Andi>hardware, the subcategory, the firmware style.

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<v Zach>How you're going to deploy it,

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<v Andi>And it will generate you a configuration which you just.

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<v Zach>Send to the device.

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<v Andi>There's even a UI to do that.

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<v Zach>And you're done.

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<v Andi>And so this is very helpful for engaging people, and it kind of jumps.

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<v Zach>The hurdle of, you know, how do you do a sysimage? How do you do a firmware

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<v Zach>update? You know, where do you click on all these different screens?

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<v Andi>So MicroTik's not the only one.

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<v Zach>We also use a lot of point-to-point antennas,

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<v Andi>Including the 2 gigahertz, 5 gigahertz.

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<v Zach>I mean, sorry, 2 gigabit, 5 gigabit, and 10 gigabit Ciclu antennas.

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<v Zach>We're using Juniper switches, Cisco switches, Linux boxes. We're even using

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<v Zach>VPP with FRR for edge routing.

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<v Elektra>Okay, so it's a bit of a different approach. I don't know what OSPF means.

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<v Elektra>Open shortest path first.

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<v Andi>It's another routing protocol.

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<v Zach>It's kind of

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<v Andi>A standard one.

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<v Zach>It's a corporate standard one.

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<v Elektra>It's for wired networks, basically. So you don't have a radiometric.

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<v Elektra>Or did you add a radiometric to OSPF?

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<v Andi>We don't have a radiometric.

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<v Zach>No. So what we did is we made a costing structure.

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<v Andi>So good costs are for point-to-point links that are on a really high-quality

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<v Andi>radio that we know is very unlikely to go down.

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<v Andi>And then the next level is kind of like our point-to-multipoint,

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<v Andi>maybe in the 200 cost range or something.

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<v Andi>And then a poor cost is for the WDS.

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<v Zach>Sort of 802.11s sort of thing.

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<v Andi>And so we have, I can show you on the map various places, where we have nodes

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<v Andi>that are with an omnidirectional antenna only, but they're on the network using

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<v Andi>OSPF. So one thing you have to watch out.

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<v Zach>Is with route flapping. It's probably the same in OLSR and other things,

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<v Zach>you know, route flapping. And so we monitor for route flapping periodically and see,

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<v Andi>You know, how many flaps per second are we getting, how many are per minute.

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<v Zach>You know, and

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<v Andi>We go and.

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<v Zach>Fix those nodes.

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<v Andi>So I think probably in any protocol, you can have some bad edge cases and it's just OSPF can also.

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<v Zach>You know.

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<v Elektra>So you're not necessarily doing any mesh networking, Okay, actually,

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<v Elektra>you're setting up point-to-point or point-to-multipoint links.

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<v Andi>No, we do with 802.11s, we do WDS, yeah.

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<v Andi>Yeah, so we have many nodes that are within omnidirectional only,

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<v Andi>and they see their neighbors around.

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<v Elektra>And you're not using the radio-aware OSR part in 802.11s or the spanning tree

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<v Elektra>implementation? No, turn it off.

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<v Elektra>You just use it without the internal mesh routing.

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<v Zach>That's right.

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<v Andi>We use it as a broadcast domain only or like as a kind.

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<v Zach>Of like a

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<v Andi>Fake Ethernet cable, you know.

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<v Zach>We do bridge filtering.

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<v Andi>So we turn off all of the... You're not able to go from one node to another

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<v Andi>node through the radio without going through the router.

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<v Andi>So you have to jump node to node in order to get to the far side. Which means, of course.

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<v Zach>It's not going to be very efficient to do the WDS, but it's better than nothing for many people.

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<v Elektra>But my guess is that you don't have too much internal traffic.

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<v Elektra>Most traffic is probably just going to the next gateway.

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<v Zach>Unfortunately, yes.

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<v Elektra>And you have many, many guideways.

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<v Zach>Yeah, yeah.

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<v Andi>Unfortunately.

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<v Zach>As just, you know,

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<v Andi>Over the years we had different internal services. Some went away,

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<v Andi>some came back. We have a few now.

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<v Zach>We have kind of databases, and we used to have a chat app inside and things

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<v Zach>like this. And they come and go depending on what people want to do.

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<v Elektra>Of course. Of course. What motivates the volunteers to run such a relatively

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<v Elektra>big network and basically be just a free internet service provider, more or less?

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<v Andi>Yeah, we don't like to say free.

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<v Zach>We like to say donation-based because we don't want people to think that they can,

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<v Andi>You know, if you give somebody something for free.

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<v Zach>It has no value, right?

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<v Andi>So we want them to value the network by, you know, wanting to be part of it.

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<v Andi>They can pay nothing if they want to.

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<v Zach>But, you know, we don't usually say free.

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<v Andi>Uh, but anyway, um.

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<v Zach>I don't mind if you say free,

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<v Andi>You know, um, but it's just that, yeah, so we, we, what motivates them?

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<v Andi>Um, you know, in New York city.

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<v Zach>The ISPs used to be,

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<v Andi>And sometimes are still very bad. And so kind of our original motivation was to bypass the ISPs.

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<v Andi>Um, also, if you look into what has happened, there's many kiosks on the road

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<v Andi>that have a wifi and, um, many different of the main ISPs have got purchased by other ISPs.

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<v Andi>and they're all tracking everything.

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<v Zach>They're all, you know,

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<v Andi>We were even approached by some company that said they'll give us $1,000 a month

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<v Andi>if we give them all of our DNS logs forever.

00:12:19.362 --> 00:12:22.296
<v Andi>And we're like, no, we're not going to do that, you know. So, but they're all.

00:12:22.296 --> 00:12:25.864
<v Zach>Doing that and they say they're doing it and it's kind of evil.

00:12:25.997 --> 00:12:31.239
<v Andi>So we like it because it's kind of a clear network which you can have,

00:12:31.704 --> 00:12:32.846
<v Andi>you know, you can have a public IP.

00:12:33.166 --> 00:12:36.516
<v Zach>You can have bidirectional traffic. We're bypassing these

00:12:37.246 --> 00:12:42.604
<v Andi>Poor quality ISPs in many cases where we're sort of better than many of them at different times.

00:12:42.883 --> 00:12:43.886
<v Zach>In terms of availability.

00:12:43.886 --> 00:12:47.406
<v Elektra>Sounds good like Berlin in the 2000s. Yeah, sounds like early Berlin.

00:12:47.406 --> 00:12:48.186
<v Zach>Yeah, sure.

00:12:48.926 --> 00:12:54.980
<v Elektra>How does it, why do they suck so badly? How do they mess it up?

00:12:55.276 --> 00:12:58.216
<v Andi>So it's a good question, and the story has changed a little bit.

00:12:58.216 --> 00:13:01.453
<v Zach>So I was kind of telling you more of the story of a handful of years ago.

00:13:01.859 --> 00:13:02.886
<v Andi>It's still a story now.

00:13:02.886 --> 00:13:03.189
<v Zach>Though.

00:13:04.605 --> 00:13:11.292
<v Andi>Maybe if you look 10 years ago, a lot of people in three to six-floor buildings only had DSL.

00:13:11.873 --> 00:13:15.797
<v Zach>Right? And the DSL in New York City is from cables that are from long ago.

00:13:16.169 --> 00:13:21.166
<v Andi>It's not a current-maintained system. Verizon, the main telephone company,

00:13:21.506 --> 00:13:26.060
<v Andi>since their early 2010s, had said they were going to run fiber to every building.

00:13:26.513 --> 00:13:29.265
<v Zach>And they began running fiber to every building, they say.

00:13:30.126 --> 00:13:33.032
<v Andi>But it meant that they were no longer going to put any more copper in the ground.

00:13:33.363 --> 00:13:35.428
<v Andi>And so they basically abandoned the copper plant.

00:13:35.730 --> 00:13:36.938
<v Zach>Even if people were still using it.

00:13:37.721 --> 00:13:39.490
<v Andi>Meanwhile, the cable company, in the U.S..

00:13:39.490 --> 00:13:42.680
<v Zach>You usually have two providers. You have the telephone company and the cable

00:13:42.680 --> 00:13:43.956
<v Zach>company before Internet.

00:13:44.391 --> 00:13:46.970
<v Andi>And now both can provide telephone and Internet.

00:13:46.970 --> 00:13:51.822
<v Zach>And TV and everything, right? But still in the regulations, there's two main entities.

00:13:52.176 --> 00:13:59.190
<v Andi>So the cable company in New York City has been purchased three times or more in the last 10 years.

00:13:59.190 --> 00:14:01.679
<v Zach>It's gone bankrupt and got repurchased and bankrupt and repurchased.

00:14:02.062 --> 00:14:03.040
<v Andi>The name keeps changing.

00:14:03.040 --> 00:14:07.071
<v Zach>I think it's now called Spectrum. It used to be Time Warner. It used to be RCN. and um

00:14:08.190 --> 00:14:08.970
<v Andi>In many areas the.

00:14:08.970 --> 00:14:13.080
<v Zach>Cable infrastructure is very poor the cables are not dry they get wet coaxial

00:14:13.080 --> 00:14:14.838
<v Zach>cable gets wet and water inside

00:14:15.181 --> 00:14:18.000
<v Andi>People go outside and they kind of like jiggle the cables on.

00:14:18.000 --> 00:14:20.560
<v Zach>The wall because they their tv is not working so the

00:14:20.560 --> 00:14:21.650
<v Andi>Couplers are coming loose and.

00:14:22.397 --> 00:14:26.140
<v Zach>You know many places i was in at least two or three places that i lived in i

00:14:26.140 --> 00:14:32.770
<v Zach>think six or eight places in new york city uh in the last many years and a couple

00:14:32.770 --> 00:14:35.930
<v Zach>of them the internet cable internet was down more often than it was up right

00:14:37.090 --> 00:14:37.630
<v Andi>I had a friend that.

00:14:37.630 --> 00:14:42.962
<v Zach>Had barely one megabit dsl and that was less than 10 years ago okay maybe it's about 10 years ago

00:14:43.537 --> 00:14:46.140
<v Andi>So yeah it's not great the stories change a little bit.

00:14:46.140 --> 00:14:48.510
<v Zach>Now because verizon does have fiber

00:14:48.910 --> 00:14:49.354
<v Andi>In many buildings.

00:14:49.789 --> 00:14:50.579
<v Zach>And so

00:14:50.985 --> 00:14:52.260
<v Andi>You can get a high.

00:14:52.260 --> 00:14:55.250
<v Zach>Quality fiber optic internet for a pretty

00:14:55.250 --> 00:14:58.930
<v Andi>Good price um so in that sense then it's.

00:14:58.930 --> 00:14:59.760
<v Zach>Not as well

00:14:59.760 --> 00:15:02.136
<v Andi>Needed for for our network right.

00:15:02.630 --> 00:15:04.180
<v Zach>But in many places it's still very poor

00:15:05.416 --> 00:15:14.560
<v Elektra>So and your perspective if eventually the commercial isps uh get up their gear

00:15:14.560 --> 00:15:18.477
<v Elektra>and put fiber everywhere what would that mean to your network

00:15:18.872 --> 00:15:21.970
<v Andi>I don't know um you know on one angle we could.

00:15:21.970 --> 00:15:25.650
<v Zach>Become more of a community is a community network community isp that just kind

00:15:25.650 --> 00:15:31.028
<v Zach>of um is for fun you know, more of a real, true community, as opposed to,

00:15:31.328 --> 00:15:33.041
<v Zach>you know, trying to serve people with something.

00:15:34.835 --> 00:15:39.191
<v Andi>We could also be a participant in that. For example, many cities in the U.S.

00:15:39.191 --> 00:15:44.401
<v Zach>Have tried to do kind of a municipal fiber idea, with Chattanooga,

00:15:44.401 --> 00:15:47.501
<v Zach>Tennessee being like the number one successful option on that.

00:15:48.581 --> 00:15:51.054
<v Zach>I think New York City is probably going to try to do that as well.

00:15:51.588 --> 00:15:55.471
<v Zach>And if we could be one of the providers that is through that,

00:15:55.849 --> 00:16:00.284
<v Zach>we might have an option for people besides, you know, the main telephone companies.

00:16:01.261 --> 00:16:03.971
<v Andi>So that makes it a little bit different of a system than what we have.

00:16:03.971 --> 00:16:09.791
<v Andi>But, you know, you really need to provide whatever that environment needs.

00:16:09.791 --> 00:16:12.661
<v Zach>Whatever that area needs. It's a little bit different than, like,

00:16:12.661 --> 00:16:13.821
<v Zach>in a jungle or something like that.

00:16:14.314 --> 00:16:21.021
<v Elektra>But I guess the problem with families or people with low income still exists,

00:16:21.021 --> 00:16:27.251
<v Elektra>and they maybe still can't afford Internet access, and that's where you will still be able to help.

00:16:27.251 --> 00:16:32.140
<v Zach>Yeah, about 25% of households only have no Internet in them in New York City.

00:16:32.941 --> 00:16:41.219
<v Zach>and maybe 15% are mobile only they only have a cell phone 25% 25-26% yeah

00:16:43.814 --> 00:16:46.964
<v Elektra>Hard to believe. It's one of the main capitals of the planet.

00:16:46.964 --> 00:16:52.492
<v Andi>Yeah, it's a problem of aging infrastructure combined with growth and regulation.

00:16:52.916 --> 00:16:54.960
<v Andi>It's hard to provide new wires in the ground.

00:16:57.363 --> 00:17:01.374
<v Zach>The underground cabling is owned by the telephone company, but it's a subsidiary and so on.

00:17:01.394 --> 00:17:03.514
<v Zach>There's a lot of things that are very challenging with New York City,

00:17:04.054 --> 00:17:06.764
<v Zach>which is why we kind of go over the top of it with wireless.

00:17:06.764 --> 00:17:08.644
<v Elektra>So you're not putting wires into the ground?

00:17:08.644 --> 00:17:11.604
<v Andi>We don't put wires in the ground. We have some fiber, but we lease fiber.

00:17:11.604 --> 00:17:13.854
<v Zach>Dark fiber, from various friendly companies.

00:17:13.854 --> 00:17:20.534
<v Elektra>Yeah, so you're releasing it. Okay, but so to the largest part, your wireless ISP?

00:17:20.654 --> 00:17:21.554
<v Zach>Yes, all wireless.

00:17:22.411 --> 00:17:25.374
<v Elektra>And where do you get your internet uplinks?

00:17:25.374 --> 00:17:27.224
<v Andi>It's a good question. We don't pay for any internet.

00:17:27.654 --> 00:17:28.546
<v Zach>Everything is donated.

00:17:29.474 --> 00:17:33.204
<v Andi>We have a couple donated 40 gigabit links from a company called Pilot Fiber.

00:17:33.204 --> 00:17:36.304
<v Andi>They're very nice to us. We also have some dark fiber from them.

00:17:36.304 --> 00:17:37.735
<v Zach>But they don't charge us for the internet.

00:17:38.954 --> 00:17:41.305
<v Andi>We also are on a couple of internet exchanges.

00:17:42.154 --> 00:17:44.724
<v Zach>And we have some donated internet from other local companies.

00:17:44.724 --> 00:17:48.444
<v Andi>So it's all donated. We have about, if you were to use it all at the same time.

00:17:48.444 --> 00:17:53.904
<v Zach>About 120 gigabits of internet connectivity. And we don't think we can use it all at the moment,

00:17:53.904 --> 00:17:58.064
<v Andi>But it's wired into our supernodes.

00:17:59.713 --> 00:18:02.423
<v Elektra>Way cool it's really interesting to

00:18:02.423 --> 00:18:03.653
<v Andi>Hear there's still a lot of work to do.

00:18:03.653 --> 00:18:08.129
<v Zach>But we have a lot of resources that are working well and we found some favorable

00:18:08.913 --> 00:18:12.993
<v Zach>kind of tier 2 ISPs that are very friendly to us because they're commercial

00:18:12.993 --> 00:18:15.914
<v Zach>only and they don't need any home activity

00:18:16.854 --> 00:18:25.513
<v Elektra>And maybe I think I won't travel to New York City the next 2.5, 3 years for reasons

00:18:26.925 --> 00:18:32.723
<v Elektra>but after that can I see your SSID and just use it?

00:18:32.723 --> 00:18:32.813
<v Andi>Yeah,

00:18:35.017 --> 00:18:40.513
<v Andi>we have an open SSID with no password. This SSID restricts some control plane

00:18:40.513 --> 00:18:44.456
<v Andi>access within our network so that you can't get on and then access some of the

00:18:44.781 --> 00:18:47.550
<v Andi>internal control plane pages and such.

00:18:48.433 --> 00:18:51.276
<v Andi>But there's another one that has a password which everybody knows,

00:18:51.619 --> 00:18:54.873
<v Andi>and this is more open. So everybody can just use it.

00:18:55.193 --> 00:18:58.623
<v Andi>And if you have a wire from the rooftop into your apartment,

00:18:58.623 --> 00:19:01.703
<v Andi>you can have your own home network with your own whatever.

00:19:01.703 --> 00:19:06.363
<v Zach>And it's not our problem. But yeah, you can just use it. There's many parks

00:19:06.363 --> 00:19:07.739
<v Zach>you can just go into and use it.

00:19:08.553 --> 00:19:11.923
<v Andi>Many of these grounds where we have fiber into the building,

00:19:11.923 --> 00:19:15.965
<v Andi>we also light up the entire ground with access points.

00:19:16.973 --> 00:19:18.270
<v Zach>Many of the buildings are kind of like in

00:19:18.624 --> 00:19:19.293
<v Andi>A square block.

00:19:19.293 --> 00:19:24.636
<v Zach>And a building is not a square. So there's many different pieces of green grass that people go to.

00:19:25.533 --> 00:19:28.079
<v Zach>Yeah, so many parks were in a bunch of different parks and such.

00:19:29.385 --> 00:19:30.970
<v Elektra>Did you have any legal issues?

00:19:31.765 --> 00:19:35.685
<v Andi>Not really, no. We formed a proper non-profit.

00:19:35.685 --> 00:19:38.441
<v Zach>So we have all of that. We have a board.

00:19:39.295 --> 00:19:41.485
<v Andi>We accept donations legally and everything.

00:19:41.485 --> 00:19:45.801
<v Zach>We file our non-profit disclosure every year. We do all the right things with that.

00:19:47.200 --> 00:19:48.485
<v Andi>We're not registered as an ISP.

00:19:48.485 --> 00:19:52.525
<v Zach>There's a form you put in the FCC. We're not an ISP, and so we're not subject

00:19:52.525 --> 00:19:53.534
<v Zach>to any of those regulations.

00:19:55.078 --> 00:19:57.731
<v Andi>Once in a while, the police will email us and say.

00:19:58.462 --> 00:20:03.983
<v Zach>Can you tell us who this IP belongs to but we can't because it's all shared and so we reply

00:20:04.302 --> 00:20:05.525
<v Andi>We're sorry we can't we're a shared.

00:20:05.525 --> 00:20:06.845
<v Zach>Network and they say okay no problem

00:20:07.268 --> 00:20:08.168
<v Elektra>And you're not logging

00:20:08.812 --> 00:20:09.579
<v Zach>We don't log

00:20:10.444 --> 00:20:11.117
<v Andi>We don't log anything.

00:20:14.217 --> 00:20:15.668
<v Elektra>Okay,

00:20:17.984 --> 00:20:23.446
<v Elektra>if I want to get part of your network, I should come to one of your meetings

00:20:23.446 --> 00:20:26.106
<v Elektra>or can I just buy a router and install the firmware?

00:20:26.426 --> 00:20:32.146
<v Andi>Yeah, so we very much support DIY. You can buy, you know, you can follow our documentation.

00:20:32.906 --> 00:20:35.235
<v Zach>You know, you can buy the antenna from whoever you want.

00:20:35.594 --> 00:20:40.276
<v Andi>You can buy whichever model you feel like and you can go and ask for a node

00:20:40.276 --> 00:20:42.346
<v Andi>number. We are assigning no numbers. I can talk about why.

00:20:42.671 --> 00:20:44.926
<v Andi>And then you just type it into the configuration generator.

00:20:44.926 --> 00:20:46.456
<v Zach>You generate config. You put it on the device.

00:20:46.456 --> 00:20:50.816
<v Andi>And if you are in range of another one that has the same class of antenna.

00:20:50.816 --> 00:20:51.802
<v Zach>Then you're on.

00:20:52.666 --> 00:20:55.186
<v Andi>You can even go point to multipoint with DIY.

00:20:55.186 --> 00:20:56.191
<v Zach>You don't have to ask us.

00:20:57.006 --> 00:20:59.796
<v Andi>But, you know, we welcome you to come to the meeting.

00:20:59.796 --> 00:21:00.926
<v Zach>We encourage you to come to the meetings.

00:21:01.446 --> 00:21:05.626
<v Andi>You know, we do volunteer-led installations as well.

00:21:05.626 --> 00:21:08.079
<v Zach>So a team of a few people,

00:21:08.230 --> 00:21:11.876
<v Andi>One of whom maybe knows more about how to do it and a couple who know less,

00:21:12.183 --> 00:21:14.958
<v Andi>they go along and they install your rooftop with a new member.

00:21:15.347 --> 00:21:17.489
<v Andi>And then the new member also learns how to do it.

00:21:17.901 --> 00:21:20.346
<v Zach>And other people are learning how to do it as well.

00:21:20.346 --> 00:21:22.796
<v Andi>And we have different skills, drilling in the wall.

00:21:22.796 --> 00:21:27.736
<v Zach>Running the cable outside, clamping things to rooftops, all kinds of different things, right?

00:21:27.736 --> 00:21:31.582
<v Andi>And so, yeah, you can do it yourself or you can come to a meeting.

00:21:32.186 --> 00:21:32.470
<v Zach>Okay.

00:21:33.386 --> 00:21:38.706
<v Elektra>So let's come back to the node number. as it was mentioned twice now.

00:21:40.906 --> 00:21:46.906
<v Elektra>In my home community in Weimar, we also use a construct called node number, and

00:21:49.226 --> 00:21:55.206
<v Elektra>the node number is the basis for calculating IP addresses and configuration and so on.

00:21:56.006 --> 00:21:58.066
<v Elektra>And so maybe it's...

00:21:58.066 --> 00:22:03.126
<v Andi>It's the same, yeah. We do that because we don't want to take up the entire

00:22:03.126 --> 00:22:07.701
<v Andi>10-slash-8 block and we also don't want, I mean,

00:22:08.928 --> 00:22:12.218
<v Andi>It could be fine to do it, but we found some trouble with kind of using.

00:22:12.218 --> 00:22:13.297
<v Zach>Like, the MAC address

00:22:13.639 --> 00:22:14.198
<v Andi>And then just.

00:22:14.198 --> 00:22:17.767
<v Zach>Using these couple hex digits and using that for deriving something.

00:22:18.069 --> 00:22:22.851
<v Andi>It becomes very frustrating when you're trying to debug a medium-sized network

00:22:23.176 --> 00:22:27.535
<v Andi>and you're like, well, where? Well, node FC7-2 over there.

00:22:27.901 --> 00:22:29.588
<v Zach>Well, they replaced it with something else.

00:22:29.588 --> 00:22:30.408
<v Andi>It's called something else.

00:22:30.408 --> 00:22:37.247
<v Zach>You don't really know where it is anymore. And so we use these to generate the IP addresses and such.

00:22:37.555 --> 00:22:38.578
<v Andi>It makes it very easy for.

00:22:38.578 --> 00:22:41.856
<v Zach>Us to maintain nodes. There's

00:22:42.048 --> 00:22:42.378
<v Andi>A lot of.

00:22:42.378 --> 00:22:45.368
<v Zach>Very predictable numbering that we created within our network.

00:22:46.047 --> 00:22:47.128
<v Andi>The node number is not a big deal.

00:22:47.748 --> 00:22:50.278
<v Zach>It's very easy. There's a form you can fill out online. You push it and it just

00:22:50.278 --> 00:22:53.658
<v Zach>gives you a number immediately. Or you can ask someone for one.

00:22:55.248 --> 00:23:01.308
<v Elektra>So in order to join with their own nodes, people just provide an email address so you can contact them?

00:23:01.959 --> 00:23:03.698
<v Andi>You can fill out the join form. We have a form on.

00:23:03.698 --> 00:23:06.428
<v Zach>Our site and just put in your name and email. You don't have to put in,

00:23:06.428 --> 00:23:07.683
<v Andi>You can put whatever you feel like.

00:23:08.728 --> 00:23:09.868
<v Zach>You know, we'd like it to be something.

00:23:10.508 --> 00:23:14.167
<v Andi>We can call you, you know, Bob or whatever, you know, something real.

00:23:15.188 --> 00:23:17.528
<v Andi>And then, you know, because we're not like an anonymous community,

00:23:17.528 --> 00:23:20.388
<v Andi>like, the activity on the network is anonymous.

00:23:20.388 --> 00:23:23.819
<v Zach>But we want to know who, like, we want to meet everybody face to face and become friends, right?

00:23:24.908 --> 00:23:28.214
<v Andi>But yeah, you can fill this out and then it'll give you a number and you're done.

00:23:32.156 --> 00:23:32.736
<v Elektra>Sounds easy.

00:23:33.316 --> 00:23:35.396
<v Andi>It should be easy, yeah. We have many DIY installations.

00:23:35.396 --> 00:23:37.286
<v Elektra>You make it sound easy. I make it sound easy,

00:23:37.286 --> 00:23:39.316
<v Andi>Yeah. We have many DIY installations.

00:23:39.976 --> 00:23:40.806
<v Zach>It's okay to do that.

00:23:41.009 --> 00:23:45.756
<v Andi>You can also use your own hardware. If you want to do OpenWRT with whatever

00:23:45.756 --> 00:23:48.976
<v Andi>on GLI net and you feel like you can set up OSPF.

00:23:49.516 --> 00:23:50.367
<v Zach>Get a node number,

00:23:50.703 --> 00:23:53.188
<v Andi>Look at the calculation for how to generate an IP address.

00:23:53.350 --> 00:23:55.457
<v Zach>Put the IPs in, and then go ahead and do it.

00:23:57.536 --> 00:23:58.383
<v Elektra>And a Microsoft?

00:24:02.249 --> 00:24:06.476
<v Elektra>Microtech? The Microtech gear, it has OSPF inside by default,

00:24:06.476 --> 00:24:08.972
<v Elektra>so you just run the factory firmware.

00:24:09.546 --> 00:24:11.096
<v Andi>We found bugs in it and we reported it to.

00:24:11.096 --> 00:24:14.876
<v Zach>Them and they fixed them. We have many thousands of their devices.

00:24:15.866 --> 00:24:19.146
<v Andi>I'm not sure that they know us very well, but we have a couple of thousand.

00:24:19.476 --> 00:24:20.486
<v Andi>And they're from Latvia.

00:24:20.486 --> 00:24:24.216
<v Zach>So they're a European company and they're producing things pretty well.

00:24:24.556 --> 00:24:25.490
<v Andi>They're a pretty good product.

00:24:26.954 --> 00:24:28.985
<v Zach>Everything works. It's very flexible. It's hard to break them.

00:24:29.973 --> 00:24:33.666
<v Andi>And the nice thing we like is, you know, it'll sound funny to say,

00:24:33.666 --> 00:24:37.686
<v Andi>but New York City is a bit of a harsh environment because we have a winter and

00:24:37.686 --> 00:24:41.546
<v Andi>we have a summer and we have rain and we.

00:24:41.546 --> 00:24:42.066
<v Zach>Have all these

00:24:42.066 --> 00:24:46.106
<v Andi>Different situations. And sometimes the antennas are on a rooftop where there's.

00:24:46.106 --> 00:24:47.510
<v Zach>People going there and

00:24:47.886 --> 00:24:52.476
<v Andi>Doing different things to it. And maybe installations are done by somebody who didn't know.

00:24:52.836 --> 00:24:53.679
<v Zach>What they were going to do.

00:24:54.058 --> 00:24:57.686
<v Andi>So you know that we like these devices because we're not taking like a linksys

00:24:57.686 --> 00:25:02.096
<v Andi>router and put it into a tupperware and glue it it's you know it's just working

00:25:02.096 --> 00:25:08.896
<v Andi>we all did that i think in the past but it's not um you know that's not as as uh doable on the scale.

00:25:08.896 --> 00:25:09.928
<v Zach>That we have and so

00:25:10.293 --> 00:25:10.946
<v Andi>These devices.

00:25:10.946 --> 00:25:15.772
<v Zach>Are kind of in like a nice plastic box it goes outside it already works

00:25:16.062 --> 00:25:17.306
<v Andi>And you can give it a bad voltage.

00:25:17.306 --> 00:25:20.126
<v Zach>And it will not break and you can give it a good voltage and it will has a with very

00:25:20.126 --> 00:25:21.096
<v Andi>High range.

00:25:21.096 --> 00:25:24.334
<v Zach>For voltages and things like that. So there's a lot of positives to it.

00:25:25.222 --> 00:25:27.716
<v Zach>You can recover them if you brick them somehow, so yeah.

00:25:29.948 --> 00:25:32.104
<v Elektra>The plastic doesn't turn brittle in the sun.

00:25:32.104 --> 00:25:33.354
<v Zach>It doesn't, no, yeah.

00:25:33.354 --> 00:25:34.394
<v Elektra>Unlike the Tupperware.

00:25:34.874 --> 00:25:35.334
<v Zach>Exactly.

00:25:35.894 --> 00:25:38.774
<v Elektra>Not recommended. Exactly.

00:25:39.374 --> 00:25:40.194
<v Andi>Or even better, the Tupperware.

00:25:40.814 --> 00:25:43.674
<v Zach>On top of the pole, right? Duct tape to the pole.

00:25:44.054 --> 00:25:47.934
<v Elektra>I've seen nanostations operating the wrong way around and filling up with water.

00:25:50.207 --> 00:25:51.861
<v Elektra>That could. Yeah.

00:25:53.974 --> 00:25:54.374
<v Elektra>Happens.

00:25:55.654 --> 00:25:57.234
<v Zach>So that's why we use a lot of Microtech devices.

00:25:57.234 --> 00:25:59.554
<v Andi>It's easy. I have hope that maybe.

00:25:59.554 --> 00:26:04.650
<v Zach>Someday more microtech devices could run OpenWRT or some other open variant.

00:26:06.194 --> 00:26:07.294
<v Andi>I don't think it's impossible.

00:26:07.294 --> 00:26:09.352
<v Zach>I just think it's not as easy.

00:26:09.677 --> 00:26:13.768
<v Elektra>You can ask the people upstairs, there are some OpenWRT developers here.

00:26:14.552 --> 00:26:14.592
<v Zach>Yes.

00:26:18.094 --> 00:26:22.888
<v Elektra>Okay, do we still have time? Three and a half minutes. Three and a half minutes, okay.

00:26:25.837 --> 00:26:31.764
<v Elektra>So do we have some real spectacular installations somewhere?

00:26:33.200 --> 00:26:38.580
<v Elektra>Maybe on some real high towers or some telecommunication towers?

00:26:39.014 --> 00:26:43.850
<v Andi>Yeah, we have a few. Our first Supernode is on an old Verizon building.

00:26:43.850 --> 00:26:47.420
<v Zach>Which was bought by another company. It's not Verizon anymore.

00:26:47.900 --> 00:26:51.440
<v Zach>It's, I think, 75 meters high, and there's a scaffolding on top of it.

00:26:52.099 --> 00:26:53.680
<v Zach>I used to be the one that climbed the scaffolding.

00:26:54.440 --> 00:26:59.480
<v Andi>Yeah it's exciting um you know we had i think maybe eight antennas there at some point and.

00:26:59.880 --> 00:27:01.538
<v Zach>I can show you a picture later you can see

00:27:01.984 --> 00:27:02.460
<v Andi>You know all of.

00:27:02.460 --> 00:27:06.850
<v Zach>Manhattan it's a very spectacular building um so we you know that was one of

00:27:06.850 --> 00:27:08.637
<v Zach>our first uh super nodes um

00:27:09.885 --> 00:27:12.710
<v Zach>we ran some copper to the roof and then many years later we replaced it with

00:27:12.710 --> 00:27:18.610
<v Zach>a fiber and dc power but now all of our super nodes and even our large hubs

00:27:18.610 --> 00:27:21.087
<v Zach>which are not super but they're still you know whatever they're

00:27:21.581 --> 00:27:22.504
<v Andi>They're very big hubs.

00:27:23.480 --> 00:27:28.180
<v Zach>Use DC and fiber. So we have another one on top of a housing project.

00:27:28.180 --> 00:27:30.680
<v Andi>I think it's probably 20 floors high.

00:27:30.680 --> 00:27:31.571
<v Zach>It's called Vernon.

00:27:32.007 --> 00:27:32.760
<v Andi>And that one has.

00:27:32.760 --> 00:27:35.542
<v Zach>I don't know, maybe eight antennas, well, or something.

00:27:36.517 --> 00:27:36.910
<v Andi>One of our.

00:27:36.910 --> 00:27:38.730
<v Zach>Other buildings is called Grand Street.

00:27:38.730 --> 00:27:42.260
<v Andi>It's for the housing project. We have fiber to the building.

00:27:42.260 --> 00:27:43.320
<v Zach>And it's a 40 gigabit

00:27:43.320 --> 00:27:44.598
<v Andi>Fiber from our data center.

00:27:45.660 --> 00:27:50.290
<v Zach>With a juniper switch in the maintenance room downstairs. And then we serve,

00:27:50.290 --> 00:27:54.770
<v Andi>We have an OLT serving around up to 600 apartments.

00:27:54.770 --> 00:27:55.564
<v Zach>I think only maybe

00:27:55.564 --> 00:27:57.653
<v Andi>250 are active at the moment.

00:27:58.187 --> 00:28:00.347
<v Zach>And also fiber to the roof.

00:28:01.340 --> 00:28:04.410
<v Andi>This one serves many 10 gigabit links.

00:28:04.410 --> 00:28:09.040
<v Zach>5 gigabit and 10 gigabit links to other major hubs. And so this is kind of our

00:28:09.040 --> 00:28:12.565
<v Zach>crown jewel is the Grand Street location. So we're very happy

00:28:12.797 --> 00:28:13.040
<v Andi>To have a.

00:28:13.040 --> 00:28:17.226
<v Zach>$1 lease there or something and enjoy the time on the rooftop there.

00:28:18.940 --> 00:28:20.309
<v Zach>Yeah, so we go there all the time.

00:28:23.908 --> 00:28:25.794
<v Elektra>Yeah, it sounds really interesting.

00:28:28.204 --> 00:28:36.069
<v Elektra>Do you have local internal traffic in the network except like OSPF updates?

00:28:37.486 --> 00:28:40.804
<v Andi>Those don't count. We don't have as much.

00:28:40.804 --> 00:28:42.745
<v Zach>You know. You know,

00:28:43.006 --> 00:28:43.634
<v Andi>Many of our.

00:28:43.634 --> 00:28:47.139
<v Zach>Users are not as technically savvy. It's a, you know,

00:28:47.848 --> 00:28:48.904
<v Andi>I think at some point.

00:28:48.904 --> 00:28:51.365
<v Zach>How many technically savvy people can you have within your city?

00:28:51.760 --> 00:28:55.844
<v Zach>you can have a large number, but if you want to serve even more people or you

00:28:55.844 --> 00:29:01.374
<v Zach>want to find somebody to use your network, you can't serve an infinite number of technical people.

00:29:01.714 --> 00:29:06.524
<v Zach>And so we have a lot of people. We have grandmas and Buddhist monks,

00:29:06.524 --> 00:29:10.218
<v Zach>and we have families and schools and all kinds of people using the network.

00:29:11.356 --> 00:29:15.434
<v Andi>There is some east-west traffic within the network. A lot of it goes back to

00:29:15.434 --> 00:29:19.764
<v Andi>our super nodes, where we host our kind of common services within the data.

00:29:19.764 --> 00:29:21.144
<v Zach>Center rack in our supernodes.

00:29:21.144 --> 00:29:23.174
<v Andi>And so if there is east-west traffic.

00:29:23.174 --> 00:29:24.812
<v Zach>It's often back to that.

00:29:25.974 --> 00:29:27.654
<v Andi>So this is a thing we strive for.

00:29:27.654 --> 00:29:29.074
<v Zach>Is to have more east-west traffic.

00:29:29.827 --> 00:29:36.164
<v Elektra>That was our 30 minutes with Zach. Hey, thank you very much for giving us the

00:29:36.164 --> 00:29:37.274
<v Elektra>opportunity to talk to you.

00:29:37.274 --> 00:29:38.407
<v Andi>Sure, it was interesting.

00:29:39.054 --> 00:29:42.274
<v Elektra>Maybe just send us some pictures, we include them in the show notes,

00:29:42.894 --> 00:29:45.574
<v Elektra>and show the people what we were talking about.

00:29:47.149 --> 00:29:53.523
<v Elektra>Okay, bye. Thank you, bye. That was the June episode. I suppose so.

00:29:53.674 --> 00:29:53.895
<v Zach>Yeah.

00:29:54.196 --> 00:29:55.561
<v Andi>There you go. Okay.

00:29:56.494 --> 00:29:57.006
<v Zach>Thanks for doing it.

