Battlemesh v15

Dates: Monday 2023-05-08 to Sunday 2023-05-14

Coordinates: Calafou, Barcelona, Europe

Orga crew contact: v15 at battlemesh.org

Matrix: https://matrix.to/#/#battlemesh:matrix.org

Public mailing list: https://ml.ninux.org/mailman/listinfo/battlemesh

Twitter: https://twitter.com/battlemesh

Mastodon: https://toot.aquilenet.fr/@battlemesh

The Wireless Battle Mesh is a non-commercial, volunteer-organized annual convention.

The convention features a variety of talks and workshops on technical and political issues related to mesh networking, wireless community networks and Openwrt firmware development.

The purpose of the event is to further topics such as right to connectivity, community-owned infrastructure and related free open source projects.

Talk Schedule and Workshops

This schedule is subject to major adjustments.

Here you have the calendar web view links to bookmark and refresh them in your browser easily and in fullscreen:

• go to the web view of the talks calendar

• go to the web view of the workshop calendar

And here goes the calendars embedded:

Talks schedule

Workshops schedule

Live streaming and video recordings

All talks and panels are live-streamed and recorded!

Access the stream

Catering package

Catering is provided by the Kitchen Crew at Calafou for the full day including breakfast, lunch & dinner. Vegan, vegetarian and carnivore options available.

This catering option is optional but recommended. Calafou is located outside major urban areas which means restaurants / bars are limited.

Catering package price

Catering cost is 18 EUR per day and there is a 6 day pack discount which reduces the cost to 15 EUR per day (total: 90 EUR).

Paying for the food is only possible in cash and during the event

Catering package service introduction

The calafou collective kitchen service is a catering project for calafou events that aims to generate networking and dynamism for the community while providing a source of income and sustainable working conditions for the people who work there. We want to offer and facilitate the cooking service for the participants with a political objective of promoting food sovereignty in the territory, with local suppliers and related alternative projects, while offering healthy meals at affordable prices. Where possible, we incorporate fair trade, km0, organic and seasonal products. We want to introduce the vegetarian and vegan diet in greater proportion to choose more ethical and responsible interspecies options.

We are starting the project and we are excited to offer Battlemesh a kitchen suitable to the demands and possibilities. For this reason, we have a proposal with seasonal products from the local organic garden, vegetables, and recycled organic natursoy products, among others. One of the daily meals will be exclusively vegan and the rest will be vegetarian based with omnivorous options. We guarantee the vegan diet, gluten-free and other possible allergies to people who require it. Along these lines, we also want to offer options for refreshments and drinks during the event in the same political line, with beers from the Calafou cooperative Subversiva coop, as well as from other alternative producers such as altercola. We hope you enjoy the experience!

Catering package timetable

From Monday to Saturday:

• lunch time: 14:00 - 15:00
• dinner time: 20:00 - 21:00

Catering package menu

Catering might change on:

• lunch-dinner of monday, because we would try a different format, but if we fail, this would be the fallback option
• At Thurday, the dinner woold be in a restaurant (outside of calafou)

Where

Location of the main event

The Battlemesh v15 will be hosted by the fabulous Calafou / colonia ecoindustrial postcapitalista members in Barcelona, Europe

The community voted for this year's edition to take place from Monday 2023-05-08 to Sunday 2023-05-14.

The Calafou compound is very spacious and offers plenty of room for hacking, workshops, socializing, building test beds and more!

Centre social

The main room for battlemesh event. Primary hacking and tinkering space for the battlemesh. Here is also where the kitchen cooks and serves us breakfast, lunch and dinner.

OpenStreetMap geolocation link it is located ground floor:

Hackuina

Where the talks take place (it is a communal kitchen and recreation area).

OpenStreetMap geolocation link it is located upstairs:

Ofitech

OpenWRT room and workshops room

OpenStreetMap geolocation link it is located ground floor:

Basic information to be in Calafou

Please take a look in the official calafou's wiki about the basic information when you are in Calafou https://wiki.calafou.org/index.php/INFO_B%C3%81SICA#English

How to get there

You can find instructions below or on Calafou's wiki here:

https://wiki.calafou.org/index.php/INFO_B%C3%81SICA#How_to_get_there

By train

The basic steps are:

1. get to Plaça d'Espanya square;
2. enter "Barcelona - Pl. Espanya" FGC train station;
3. buy the ticket and take the right train and get off at "Vallbona d'Anoia" stop;
4. walk to Calafou.

In detail:

1. get to Plaça d'Espanya square

* from the Barcelona El Prat airport: follow the indications for the Aerobus (6.75€ one way, 11.65€ return. The return ticket is valid for 90 days). In case you prefer a cheaper option, refer to the Calafou wiki accessible here: https://wiki.calafou.org/index.php/INFO_B%C3%81SICA#How_to_get_there Once you are in Plaça d'Espanya square, look for the underground FGC (ferrocarril) station (ferrocarril is a kind of local train, but it is not the most common one). You should see the FGC logo like this: https://www.fgc.cat/wp-content/uploads/2020/06/logo-FGC-square.png

* from the metro network: get to "Espanya" metro station, it is reachable with the metro lines L1 (red) and L3 (green). Once you get off from the metro, you need to follow the indication for the FGC (ferrocarril) trains (ferrocarril is a kind of local train, but it is not the most common one). You will see this green FGC logo: https://www.fgc.cat/wp-content/uploads/2020/06/logo-FGC-square.png The two stations are underground and connected, but they are physically separated and each one has its own ticket to be bought.

3. buy the ticket and take the right train and get off at "Vallbona d'Anoia" stop

Once you get to the FGC (ferrocarril) station, go to the ticket vending machines and click:

• language
• FGC single ticket
• 1 journey
• other FGC destinations
• go down until finding "Vallbona"

The price is 7.35€

Both (and only) R6 and R60 trains will take you to Vallbona d'Anoia.

The journey should take 80 min approx, as you can see on the time table https://www.fgc.cat/wp-content/uploads/2020/10/R6_Igualada_LA_octubre_20.pdf

4. walk to Calafou:

See the map here IMAGE or follow this walking route on OpenStreetMaps: https://www.openstreetmap.org/directions?engine=graphhopper_car&route=41.52011%2C1.70947%3B41.51159%2C1.70357#map=16/41.5153/1.7068 If you don't want to get to Calafou walking (20 min downhill) you can try to get someone to come from Calafou with a car.

Going back:

You can buy the FGC ticket inside the train station building and you should obliterate it there (try with the yellow slot at the center of a black rectangle on the wall next to the ticket vending machine). In the Vallbona d'Anoia train station there are two train tracks, but the trains in both directions just use the same track: the one closer to the train station building.

Entrance to Calafou

Toilets Usage

• To pee: in the forest, in the indicated fácilities or in the toilets of the social center.

• To shit: in the indicated "ecosec" (dry toilets). How to clean the "ecosec"

What to bring with you

• Money (in cash) for catering package

• Recommendations if you have accommodation package in calafou through the registration:

  • sleeping bag
  • pillow
  • sheet for the mattress
  • earplugs
  • sleeping face mask

• 10 euros cash for the t-shirt, if you asked for it in the registration

• flashlight and/or headlamp, the reason is that day light is our primary lightning source, which is for the event days from 7:00 to 21:00

• mosquito repellent for the skin
• sunscreen for the skin
• hat, cap or similar
• comfortable shoes for unpaved and muddy terrain (trekking type)
• canteen or water bottle
• power strips
• extension cords

See more details on https://wiki.calafou.org/index.php/INFO_B%C3%81SICA#What_to_bring_with_you

Extra note: regretably public swimming pool opens in June, so we would not be able to swim. And remember that the river is polluted

Weather

The forecasted maximum and minimum temperatures for that week are max 27 °C and min 10 °C. So, during the night, it can get quite chilly.

Also, the weather forecast gives a non-negligible probability that it will rain. The ground between buildings in Calafou is, in some parts, unpaved, choose your shoes accordingly

What we do

In brief: we will have organized talks, workshops and discussion panels on community networks and wireless mesh networks (see Call for Participation). There will also be more informal activities: cooperative hacking, self-organized projects, and (we hope) delightful conversations!

Full schedule: #Talk_Schedule_and_Workshops

In addition, there may be a self-organized wireless mesh network, running different routing protocols to compare them. Please coordinate directly on the battlemesh mailing list to make that happen.

How to register

The event itself is free of charge and open for all! However, it makes the organisation much easier if you tell us in advance that you plan to come.

To register, please send an email to v15 at battlemesh.org with the following content:

Subject: Registration

Name and/or Nick

Date of arrival / departure

Accommodation package: [Yes/No; package 1 or 2; room preference (mixed, non-mixed, specific person)]

T-Shirt Size: [S/M/L/none, straight or fitted cut]

Other details you want to share: (e.g. community, country, URLs, twitter/mastodon handle, dietary restrictions, ...)

Do you agree to appear on the public list of participants? [Yes/No]

Are you applying for a travel scholarship? [Yes/No; city; estimated price]

We will then put your name on the public list of participants

If you apply for an accommodation package or travel scholarship, we will reply to you shortly with more information.

Accommodation package

Information about the Accommodation package can be found on this page.

The packages are attributed on a first-come first-serve basis, so register as soon as possible!

Call for participation

We invite participants to propose workshops, talks or panel discussions relating to network infrastructure in general, how it can be built and operated as a common, and how to sustain a community around networking.

We welcome contributions that broadly address these questions from any of several perspectives: technical, organisational, economical, regulatory, juridical, political.  Example topics:

• Wireless Community Networks
• Community Networks that deploy Fiber-to-the-Home (FTTH) networks
• TV white space as a precious network resource (radio spectrum)
• Free hardware and free software for Community Networks
• How to organize a durable community structure?
• How to involve non-technical people? To "digital stewardship" and beyond?
• How to disseminate the spirit of community networks, knowledge etc?
• Connecting rural areas: challenges and solutions
• Public fiber networks: architecture, funding, private actors involved, oversight
• Internet of Things (IoT) networks and their impact on society
• How to take advantage of a community network in ways otherwise not possible? What are the applications?
• Local Internet Exchange Points (IXPs) as a common infrastructure
• DNS as a common infrastructure?

Deadline: --TBA--

To submit a proposal, send us an email (v15 at battlemesh.org) with the template below. All information you give us will be made publicly available in the schedule, unless explicitely specified otherwise.

Subject: Event proposal

Name and/or nick
Optional affiliation: community, country, employer...
Event title
Type of event [talk / workshop / recurring workshop / panel discussion / other]
Duration [30 min or 1h for talks, anything you want otherwise]
Frequency [for recurring event]
Preferred date / constraint
Any required equipment (other than a projector)

Summary (about 200 words)

Sponsors

Endorsements

Misc

About the Battlemesh V15 logo

This year's logo shows a traditional Catalonian "human tower" or Castell. The enxaneta (person on top) carries on their shoulders a large microwave dish which you have seen in previous Battlemesh logos.

What do castells mean *nowadays* in popular culture?

Men-only castells were a declining tradition only a few decades ago. As soon as inclusive colles castelleres (i.e., teams of castellers) appeared in the late 1980s, the castells tradition flourished again and became an open, welcoming, family-friendly, intergenerational activity.

This meant not only more fun, but also better castells. I think Catalan society learnt a valuable lesson from that.

As you may imagine, the higher the castell goes, the bigger and sounder the base (i.e., the pinya) needs to be. This requires lots of people supporting the tower from the bottom. Even in the most signified castells competitions, which occur regularly, it is *common practice* that members from one colla castellera (and also friends, family, supporters, etc.) help a competing colla castellera to fer pinya [1], so that all the castells that are build during the event become more solid and robust.

Isn't it the whole purpose of putting the protocols at test during the Battlemesh, to make them more solid and robust through collaboration of all participants?

[1] https://castellscat.cat/ca/descarregar/fem-pinya/CCCC_Fem_Pinya_2019.pdf

Battlemesh Coversongs

TODO

Hardware

Please add any hardware that you will bring (and are willing to lend out!) to this table:

Impressions from previous Battlemesh events

• Battlemesh v9 Presentations

• Battlemesh v9 Social Moments

• Battlemesh v8 Presentations

• Battlemesh V7 Video

• Video clip from the mesh testbed installation for WBMv6 at Aalborg University Campus

• Another WBMv6 clip

• Video clip made at WBMv5 to give you a feeling what this event is like

• Video clip made at WBMv4

• 

Task List

This task list is kept here to track who is responsible for certain things. Please notify on mailing list before you add yourself here. Local team will be inserted here as well, tasks may be added/merged on the go.

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