ClientS of the P2P connect to Gnutella web cache server, which store information of the clients(ip, port), once connected to the server, clients can connect to each other and transfer files.
*the Gnutella web cache we are using is not longer available.
FAQ: http://www.it.uc3m.es/alcortes/asig/0910/iro2/faq/faq.html
Rotella webCache: http://www.it.uc3m.es/alcortes/asig/0910/iro2/rotella_webcache.txt