Gnutella moved from broadcast to dynamically structured search early on (in version 0.6, 2002). See https://rfc-gnutella.sourceforge.net/src/rfc-0_6-draft.html

Gnutella moved from broadcast to dynamically structured search early on (in version 0.6, 2002). See https://rfc-gnutella.sourceforge.net/src/rfc-0_6-draft.html https://rfc-gnutella.sourceforge.net/src/rfc-0_6-draft.html Including decentralized download via HTTP using just three added headers and Tiger Tree Hash Exchange: https://rfc-gnutella.sourceforge.net/src/Partial_File_Sharing_Protocol_1.0.txt https://rfc-gnutella.sourceforge.net/src/Partial_File_Sharin... Scalability was limited to global search in around 5 million nodes (with the network spanning 40 million people at its peak), though, due to restrictions in the number of TCP connections Windows (private edition) supported.