Here's a deeply nerdy talk I gave about sending lidar data over webRTC data channels using 5g.

https://www.youtube.com/watch?v=wpHojBJ6nLI&list=PLDaEs5k2Xy-u-vwyKswF2viDuROt9yNiM&index=8

#sctp 25: #crypto bros will often create distractions when debating about #blockchain by suggesting its critics are jealous

It seems like the #SCTP socket API (or at least the #linux kernel SCTP implementation?) doesn't give the caller of sctp_recvmsg any indication if the sctp_sdnrcvinfo was filled with output data or not. There's a code path that doesn't fill it, and you cannot rely a valid result being non-zero: https://github.com/sctp/lksctp-tools/issues/37