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= Sunday = == How to not lose all your mesh nodes - Updating incompatible routing protocols with minimal downtime (Talk) == * Scheduled: yes, tentatively * Presenters: Paul (@cuechan) and Philipp (@yksflip) * Affiliation: luebeck.freifunk.net * Duration: 20 min * Preferred date: 14.11.2020 * Summary: Freifunk Lübeck is a community-driven wireless mesh network with more than 250 nodes. Upgrading the routing protocol batadv v14 to v15 is not necessarily easy. Due to their incompatibility and changes needed on the gateway side, we had to split our network in two parts. We will show different approaches on how to operate and bridge two incompatible networks and discuss their pros and cons. Gluon provides handy tools for this kind of complex firmware updates. We'll showcase the auto-updater and scheduled-domain-switcher, that helped us not to cut off our nodes from the mesh-network. Many hours were spent setting up test networks, building firmware and staring on iptables. In this talk, we want to take you with us on this adventurous journey. == RED and https://fsfe.org/activities/radiodirective/ (talk) == * Scheduled: yes * Presenter: Max Mehl * Optional affiliation: FSFE * Duration: 30 min * Preferred date / constraint: Saturday, 16:00-16:30 * Summary (about 200 words): TBD == Weather Radar WLAN Channel Map (Talk) == * Scheduled: yes, tentatively * Presenter: aIbert * Affiliation: funkfeuer.at * Duration: 26 min * No constraints * Summary: This talk describes my work on a Weather Radar WLAN Channel Map. The map displays the nominal coverage ranges (as circles) and approximate 5 GHz WLAN channels (listed below the map) occupied by European weather RADARs. Depending on the exact regulations in your region, WLANs that operate in the 5 GHz band are required to use a technique called Dynamic Frequency Selection (DFS) to avoid interfering with weather (and other) RADARs in the same band. Switching frequencies interrupts connectivity, so you should rather steer clear of WLAN channels used by RADARs in a location to avoid the performace hit. This map suggests which channels to avoid. '''Across Europe, channels 124, 128, and 120 are most likely to be occupied by RADARs.''' |
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| * Summary: This talk presents my efforts to compare all mesh routing protocols we could get our hands on. We have tested scalability, traffic overhead and mobility on several topologies of up to 2000 nodes. To achieve this, we created a test framework based on Linux network namespaces to let Babel, batman-adv, BMX6, CJDNS, OLRSD, OLSR2, OSPF (maybe) and Yggdrasil run in different test scenarios. Let the virtual battle begin! :) | * Summary: This talk presents my efforts to compare all mesh routing protocols we could get our hands on. We have tested scalability, traffic overhead and mobility on several topologies of up to 2000 nodes. To achieve this, we created a test framework based on Linux network namespaces to let Babel, batman-adv, BMX6, BMX7, CJDNS, OLRSD, OLSR2, OSPF (maybe) and Yggdrasil run in different test scenarios. Let the virtual battle begin! :) |
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| * Scheduled: yes, tentatively | |
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| * Duration: 25 min | * Duration: 45 min |
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| * Summary: Presenting an effort made by a group of enthousiastes to bring SELinux support to OpenWrt. We will be talking about the benefits of enhancing traditional DAC in OpenWrt and what challenges we aim to address by leveraging SELinux flexible MAC. We will also touch on limitations of the implementation and our vision for the future. If there is any time left then we would also like to get into interactive discussion and get feedback and ideas from the audience. | * Summary: Presenting an effort made by a group of enthusiasts to bring SELinux support to OpenWrt. We will be talking about the benefits of enhancing traditional DAC in OpenWrt and what challenges we aim to address by leveraging SELinux flexible MAC. We will also touch on limitations of the implementation and our vision for the future. If there is any time left then we would also like to get into interactive discussion and get feedback and ideas from the audience. |
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| == Template - please COPY, don't overwrite :-) == | = Sunday = == Model Train'ing like a Pro: Performance Evaluation of a Wireless SDN (Talk) == * Scheduled: yes * Presenter: yanosz * Duration: 20 min * Preferred date: any * Summary: In the need of finishing my master's degree, I started playing with my old Playmobil train this summer [1]. The idea was to build soft handover utilizing OpenFlow in a IEEE 802.11 train to ground backhaul network. This talk will introduce you into the world of Software Defined Networking, its application in the wireless domain and Playmobil trains driving OpenWRT routers through my backyard. == How to build custom OpenWrt images: philosophy and tools (talk) == * Scheduled: yes * Presenter: zorun * Duration: 25 min * Preferred date / constraint: Sunday * Summary: OpenWrt is well-known for providing ready-made firmware images: anybody can download an image, flash it on his/her own home router, and enjoy a modern and modular router system. However, OpenWrt also addresses a more confidential probleme space: building custom images. This becomes necessary when deploying customized OpenWrt systems on a large scale, for instance as part of an ISP or a wireless community network. This talk will cover several methods to build custom OpenWrt images, and in which situation each one makes the most sense. It will then specifically focus on the ImageBuilder and give an overview of external tools that make it easier to use the ImageBuilder, as well as some ideas to improve the overall experience. == Mesh Routing For Beginners (Talk) == * Scheduled: yes, tentatively * Presenter: mwarning * Duration: 30 min * Preferred date: any * Summary: Ever wondered what a mesh routing protocol does and how it works? Then this talk is for you! We cover the basics and tell you how you can implement your own protocol. == Lightning Talks (10 min each) == * News from the hostapd land == Securing and Optimising Enterprise Networks with OpenWrt and Free Software (Talk) == * Scheduled: yes, tentatively * Presenter: Nishant Sharma (@codemarauder) * Affiliation: Unmukti Technology, India / OpenWrt (contributed to mwan3, added device UniElec MT7621 variant with 512MB RAM, 64 MB Flash) * Duration: 25 min * Preferred date / constraint: Anyday - But before 23.30 India Time (18.00 UTC) * Summary: OpenWrt is not just for hobbyist or home networks. I have been providing various network services to our customers with OpenWrt and Free Software. With this talk, I wish to share my experience managing customer networks as large as with 300 locations with providing VPN connectivity + FEC and sub-second failover with OSPF & BFD, Web Access Control, Centralised Configuration Management, Malware Protection, High Availability and obviously WiFi. = Template - please COPY, don't overwrite :-) = |
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| * Name and/or nick | * Scheduled: tentatively / yes / no * Presenter: Name and/or nick |
Please describe your talks here! (There is a template at the bottom of the page.)
Sunday
How to not lose all your mesh nodes - Updating incompatible routing protocols with minimal downtime (Talk)
- Scheduled: yes, tentatively
- Presenters: Paul (@cuechan) and Philipp (@yksflip)
- Affiliation: luebeck.freifunk.net
- Duration: 20 min
- Preferred date: 14.11.2020
- Summary: Freifunk Lübeck is a community-driven wireless mesh network with more than 250 nodes. Upgrading the routing protocol batadv v14 to v15 is not necessarily easy. Due to their incompatibility and changes needed on the gateway side, we had to split our network in two parts. We will show different approaches on how to operate and bridge two incompatible networks and discuss their pros and cons. Gluon provides handy tools for this kind of complex firmware updates. We'll showcase the auto-updater and scheduled-domain-switcher, that helped us not to cut off our nodes from the mesh-network. Many hours were spent setting up test networks, building firmware and staring on iptables. In this talk, we want to take you with us on this adventurous journey.
RED and https://fsfe.org/activities/radiodirective/ (talk)
- Scheduled: yes
- Presenter: Max Mehl
- Optional affiliation: FSFE
- Duration: 30 min
- Preferred date / constraint: Saturday, 16:00-16:30
- Summary (about 200 words): TBD
Weather Radar WLAN Channel Map (Talk)
- Scheduled: yes, tentatively
- Presenter: aIbert
- Affiliation: funkfeuer.at
- Duration: 26 min
- No constraints
Summary: This talk describes my work on a Weather Radar WLAN Channel Map. The map displays the nominal coverage ranges (as circles) and approximate 5 GHz WLAN channels (listed below the map) occupied by European weather RADARs. Depending on the exact regulations in your region, WLANs that operate in the 5 GHz band are required to use a technique called Dynamic Frequency Selection (DFS) to avoid interfering with weather (and other) RADARs in the same band. Switching frequencies interrupts connectivity, so you should rather steer clear of WLAN channels used by RADARs in a location to avoid the performace hit. This map suggests which channels to avoid. Across Europe, channels 124, 128, and 120 are most likely to be occupied by RADARs.
Benchmark of Mesh Routing Protocols (Talk)
- Scheduled: yes, tentatively
- Presenter: mwarning
- Duration: 45 min
- Preferred date: any
Summary: This talk presents my efforts to compare all mesh routing protocols we could get our hands on. We have tested scalability, traffic overhead and mobility on several topologies of up to 2000 nodes. To achieve this, we created a test framework based on Linux network namespaces to let Babel, batman-adv, BMX6, BMX7, CJDNS, OLRSD, OLSR2, OSPF (maybe) and Yggdrasil run in different test scenarios. Let the virtual battle begin!
Enhancing OpenWrt Security (Talk)
- Scheduled: yes, tentatively
- Presenter: Dominick Grift AKA "grift"
- Duration: 45 min
- Preferred date: any
Summary: Presenting an effort made by a group of enthusiasts to bring SELinux support to OpenWrt. We will be talking about the benefits of enhancing traditional DAC in OpenWrt and what challenges we aim to address by leveraging SELinux flexible MAC. We will also touch on limitations of the implementation and our vision for the future. If there is any time left then we would also like to get into interactive discussion and get feedback and ideas from the audience.
Sunday
Model Train'ing like a Pro: Performance Evaluation of a Wireless SDN (Talk)
- Scheduled: yes
- Presenter: yanosz
- Duration: 20 min
- Preferred date: any
Summary: In the need of finishing my master's degree, I started playing with my old Playmobil train this summer [1]. The idea was to build soft handover utilizing OpenFlow in a IEEE 802.11 train to ground backhaul network. This talk will introduce you into the world of Software Defined Networking, its application in the wireless domain and Playmobil trains driving OpenWRT routers through my backyard.
How to build custom OpenWrt images: philosophy and tools (talk)
- Scheduled: yes
- Presenter: zorun
- Duration: 25 min
- Preferred date / constraint: Sunday
Summary: OpenWrt is well-known for providing ready-made firmware images: anybody can download an image, flash it on his/her own home router, and enjoy a modern and modular router system. However, OpenWrt also addresses a more confidential probleme space: building custom images. This becomes necessary when deploying customized OpenWrt systems on a large scale, for instance as part of an ISP or a wireless community network. This talk will cover several methods to build custom OpenWrt images, and in which situation each one makes the most sense. It will then specifically focus on the ImageBuilder and give an overview of external tools that make it easier to use the ImageBuilder, as well as some ideas to improve the overall experience.
Mesh Routing For Beginners (Talk)
- Scheduled: yes, tentatively
- Presenter: mwarning
- Duration: 30 min
- Preferred date: any
- Summary: Ever wondered what a mesh routing protocol does and how it works? Then this talk is for you! We cover the basics and tell you how you can implement your own protocol.
Lightning Talks (10 min each)
- News from the hostapd land
Securing and Optimising Enterprise Networks with OpenWrt and Free Software (Talk)
- Scheduled: yes, tentatively
- Presenter: Nishant Sharma (@codemarauder)
Affiliation: Unmukti Technology, India / OpenWrt (contributed to mwan3, added device UniElec MT7621 variant with 512MB RAM, 64 MB Flash)
- Duration: 25 min
- Preferred date / constraint: Anyday - But before 23.30 India Time (18.00 UTC)
Summary: OpenWrt is not just for hobbyist or home networks. I have been providing various network services to our customers with OpenWrt and Free Software. With this talk, I wish to share my experience managing customer networks as large as with 300 locations with providing VPN connectivity + FEC and sub-second failover with OSPF & BFD, Web Access Control, Centralised Configuration Management, Malware Protection, High Availability and obviously WiFi.
Template - please COPY, don't overwrite :-)
(Fill in as many details as you can.)
Event title and type (e.g. conference, workshop, panel discussion, ...)
- Scheduled: tentatively / yes / no
- Presenter: Name and/or nick
- Optional affiliation: community, country, employer...
- Type of event (talk / workshop / workshop / panel discussion / other)
- Duration (25 min or 55 min for talks, anything you want otherwise)
- Preferred date / constraint
- Summary (about 200 words)