[OpenWrt-Devel] RFI: OpenWRT for #DisasterRelief: LoRA: ClusterDuck, LTE, 5G, Mesh, Throttling

Wes Turner wes.turner at gmail.com
Wed May 20 23:09:08 EDT 2020


On Wed, Apr 8, 2020 at 7:32 PM Wes Turner <wes.turner at gmail.com> wrote:

> A thread for discussing OpenWRT for #DisasterRelief: LoRA: ClusterDuck,
> LTE, Mesh
> (cc'ing and re-formatting from
> https://twitter.com/westurner/status/1238859774567026688 )
> Please LMK if the forums are the appropriate place for these questions.
> ## Project OWL ClusterDuck
> Homepage: http://clusterduckprotocol.org/
> GitHub: https://github.com/Code-and-Response/ClusterDuck-Protocol
> The Linux Foundation > Code and Response:
>   https://www.linuxfoundation.org/projects/code-and-response/
> GitHub:
>   https://github.com/code-and-response
> > Project OWL (Organization, Whereabouts, and Logistics) creates a mesh
> network of Internet of Things (IoT) devices called DuckLinks. These
> Wi-Fi-enabled devices can be deployed or activated in disaster areas to
> quickly re-establish connectivity and improve communication between first
> responders and civilians in need.
> >
> > In OWL, a central portal connects to solar- and battery-powered,
> water-resistant DuckLinks. These create a Local Area Network (LAN). In
> turn, these power up a Wi-Fi captive portal using low-frequency Long-range
> Radio (LoRa) for Internet connectivity. LoRA has a greater range, about
> 10km, than cellular networks.
> > [...]
> > You don't actually need a DuckLink device. The open-source OWL firmware
> can quickly turn a cheap wireless device into a DuckLink using the -- I
> swear I'm not making this up -- ClusterDuck Protocol. This is a mesh
> network node, which can hook up to any other near-by Ducks.
> >
> > OWL is more than just hardware and firmware. It's also a cloud-based
> analytic program. The OWL Data Management Software can be used to
> facilitate organization, whereabouts, and logistics for disaster response.
> ## LoRa + OpenWRT: ClusterDuck, ChirpStack
> A ClusterDuck opkg would make it possible to use WiFi/LTE routers with a
> LoRa transmitter/receiver connected over e.g. USB or Mini-PCIe.
> Is there anything special that would need to be done to create an opkg for
> ClusterDuck?
> > OpenWRT uses opkg packages:
> https://openwrt.org/docs/guide-user/additional-software/opkg
> I searched for "Lora" in OpenWRT/packages:
> - lora-gateway-hal opkg package:
> https://github.com/openwrt/packages/blob/master/net/lora-gateway-hal/Makefile
> - lora-packet-forwarder opkg package (w/ UCI integration):
> https://github.com/openwrt/packages/pull/8320
> - lora-feed: https://github.com/xueliu/lora-feed :
>   > Semtech packages and ChirpStack [(LoRaserver)] Network Server stack
> for OpenWRT
> ## Mesh architectures: ClusterDuck // B.A.T.M.A.N
> How does ClusterDuck compare to BATMAN and other mesh routing approaches?
> Is there a reference implementation with WiFi, LTE, and LoRa and IDK link
> prioritization?
> >> [In addition to providing node2node/2net connectivity, #batman-adv can
> bridge VLANs over a mesh (or link), such as for “trusted” client, guest,
> IoT, and mgmt networks. It provides an easy-to-configure alternative to
> other approaches to “backhaul”, […]]
> https://openwrt.org/docs/guide-user/network/wifi/mesh/batman
> ## LTE Routers, LTE Tethering
> LTE is useful for disaster relief scenarios.
> Tethering an OpenWRT router to an LTE phone over WiFi/USB/Bluetooth is one
> alternative to buying a router with an LTE modem, external LTE antennas,
> and one or more SIM card slots.
> I have no affiliation with either of these manufacturers. I have a few
> different [quad-core, MIMO] ARM devices without 4G. TIL about routers with
> LTE modems in them (and cell providers that allow adding additional SIMs
> that just draw from a shared bandwidth quota).
> > TIL that the @GLiNetWifi devices ship with OpenWRT firmware (and a
> mobile config app) and some have 1-2 (Mini-PCIe) 4G LTE w/ SIM slots.
> https://twitter.com/GLiNetWiFi
> > Also, @turris_cz has OpenWRT w/ LTE and LXC in the kernel build.
> https://t.co/Rz0Uu5uHJQ
> https://twitter.com/turris_cz
> Are there other [OpenWRT-compatible] devices with LTE and/or LoRa that
> would be useful for disaster relief?
> "Table of Hardware: LTE Modem supported"
> https://openwrt.org/toh/views/toh_lte_modem_supported
> ## 5G
> Are there any 5G-compatible OpenWRT devices yet?
> Presumably, devices with Mini-PCIe are theoretically compatible given
> built modules.
> ## Throttling
> In a disaster relief scenario, burning through the limited available
> bandwidth for certain media-heavy sites can be problematic.
> Is there a recommended way to e.g. throttle / traffic shape individual
> clients so that no one user can exhaust the bandwidth resources? AFAIU, SQM
> can be configured for individual VLANs, but that would require an SSID per
> user?
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