![]() ![]() So eMule was the leading client in the ed2k network and together with BitTorrent it dominated the following years of filesharing.īoth networks, BitTorrent and eMule, slowly headed towards a more decentralized structure. In June 2004, ed2k had about 2 million users while eDonkey2000’s Overnet network only had about 800,000 users. An open source client for the ed2k network – our birthday-client eMule – was founded on May 13th, 2002 – 10 years ago today. In 2002 a new and rapidly growing client entered the ed2k network, a term which refers only to the server-based part of the eDonkey2000 network. After beta testing it was renamed ‘Overnet’ and finally merged with the original eDonkey2000 client in August 2004. In this spirit eDonkey2000 started a new project called ‘Flock’ in May 2002. ![]() ![]() The eDonkey2000 Network had a different design goal – a fully decentralized and yet scalable network. However, with BitTorrent (started in the year 2001) this dependence on the tracker was intended because it meant that the tracker can control who is allowed to join the swarm, how many peers each client gets, etc… This system had similarities with BitTorrent, at a time where the tracker was the sole mechanism through which to find other peers. While the existence of multiple servers meant that the network couldn’t be shut down by closing a single central point, it also had the disadvantage that users could now only search for and share files with users on the same server. Unlike with Napster, everyone could run a server. On the other hand there was eDonkey2000 with its server-based network (first release on September 6th, 2000). Simply put, you can’t search the whole network efficiently. Yet this advantage of a completely server-independent network topology came with the disadvantage of the network not being scalable. they just sent their requests from client to client until either enough results were found or the search timed out. They used query flooding to find other clients, i.e. On the one hand there were completely decentralized networks like Gnutella. Due to this single point of failure, Napster collapsed once the server was shut down by RIAA.įortunately, the next generation of less centralized filesharing networks was already on the horizon. Napster relied on a single server to store the files every user shared, provided a central file search, and even initiated file transfers between users. The first mainstream filesharing applications like Napster (started in the year 1999) operated completely centralized. ![]()
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