#librecast — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #librecast, aggregated by home.social.
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Added another project (#librecast), now only one more to go and the roadmap is free for new projects:
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GOD DAMN IT:
https://www.libertysys.com.au/2022/12/pain-points-mld-snooping-on-linux-bridges/
There's a bug in #multicast snooping that breaks neighbor discovery, and apparently #proxmox enables snooping by default on bridges... This is causing all my headaches! and it's an OLD bug from back in 2013 or more! #librecast @librecast
do you guys know anything about this?
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Special shoutout to Librecast, a free open project designing a next generation internet using "multicast". This tech may help with privacy, human rights, decentralisation, energy efficiency and stopping spam.
Librecast has a main account at:
...and a video account at:
The project's accounts are run by Librecast's community manager @onepict who has a personal blog at @cobbles and is well worth following too.
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Less than a week and we've got a minor point release for LCRQ.
Version 0.3.1 is now available from @Codeberg It's also already in @debian thanks to @vagrantc
https://lists.sr.ht/~librecast/librecast-announce/%[email protected]%3E
This was funded by #NGICore thanks to @NGIZero for funding these optimizations of our RaptorQ FEC Library!
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It's a new lcrq release with MOAR SPEED !
Version 0.3.0 is now available from @Codeberg
We have optimized lcrq for some of the AMD64 SIMD instruction sets which has achieved some large performance gains on some CPUs, especially those with
AVX512.https://lists.sr.ht/~librecast/librecast-announce/%[email protected]%3E
This was funded by #NGICore thanks to @NGIZero for funding these optimizations of our RaptorQ FEC Library!
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How many active users does #librecast @librecast have?
AFAIK anoyone on ipv6 could join, listen & snoop any Multicast group. (maybe I'm wrong & misunderstood? please clarify)
So how to authenthicate Multicast group members, for friends only?
AFAIK that's usually done on App Layer (OSI 7th), and considering each recepient receives data encrypted with their unique GPG public key - rendering Multicast unusable in that context (?) (since traffic from sender to all peers is not equal, but unique per peer, basically no bandwidth difference from classic Unicast) -
We've got some good news thanks to @nlnet and @NGIZero 🎉
Librecast has been funded to do more awesome things with #multicast
Watch this space.
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Thank you to NGI Zero Commons
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lcagent can be used to send and receive data over #multicast and to pipe data between programs on one computer and as many receivers as the multicast network can support simultaneously. We're currently using it now to run our own CI builds by multicasting the patch to multiple build servers simultaneously.
This could also be useful for monitoring and configuration management.
#librecast -
We've got a new tool! lcagent version 0.1.0, the #Librecast #multicast agent.
In server mode, lcagent can be configured to listen on Librecast Channels (multicast groups) and execute programs in response to packet data received on those Channels.
Packets must be accompanied by an authorized token and signed by the matching key or they will be silently dropped.
Data is encoded with #RaptorQ using Librecast’s liblcrq library to provide forward error correction in the event of packet loss.
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The work continues on #ngicore we've updated our techtree with our progress.
You can follow our roadmap and find out more about our current work on Librecast Overlay Multicast as part of @NGIZero Core.
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It's a new release of Librecast! 🎉
This release adds restricted channel support with token based authentication. This allows keyrings to be created and filters to be applied to channels such that any data arriving which is not signed and accompanied by a token issued by an authorised key will be dropped.
This work is made possible by @NGIZero as #NGICore
https://lists.sr.ht/~librecast/librecast-announce/%[email protected]%3E
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"...much of the research into multicast is funded and driven by large corporations, who have no interest in many-to-many communication, and no interest in human rights. The primary focus of most of these corporations is in building one-to-many systems that reduce their costs for providing livestreaming of sponsored events. Multicast to them is an advertising delivery system. This more closely resembles broadcast than multicast."
#BrettSheffield, #Librecast project, 2025