I remain convinced that the #indieWeb would have had a much better life if #explicitMulticast #Xcast had reached general adoption
https://en.m.wikipedia.org/wiki/Xcast
For the Fediverse, imagine how much less expensive would it have been to host a successful now with thousands of connections is at least on the way out data could have been sent to all federate servers at once, leaving the routing to handle the (de)duplication.
