hi,I'm new to Gnutella. I'd like to do some research on Gnutella network topology. I had found some papers written before 2002. but there are no new papers on the current Gnutella network. Can you give me some information about the papers or advice about the research.

I'd also like to know how many hosts are there in Gnutella network by 2002.

I would be appreciated about your help.