BitTorrent Chat Demystified
An anonymous reader writes "Can you really do group chat with no central server? BitTorrent's Patrick Williams has developed a new app that leverages a distributed architecture to eliminate the need for any servers — even to host a buddy list. He says magnet links are the key."
Reference: Harry R. Chesley, "Asynchronous Background Networking on the Macintosh," Develop 5, Winter 1991. It was called Rumor Monger.
Yes, and it's called WASTE. Came out in '03 and I've been "running" a decentralized mesh non-stop ever since.
I believe the only central server is for authentication (as it should be). It might also save the "initial" budy list, but a local copy is also kept.
Or actually, 1 minute in google:
http://www.mjalali.com/blog/?p=10
"Skype Authentication Server: This is the only centralized Skype server which is used to authenticate Skype users. "