Introduction - If you have any usage issues, please Google them yourself
Gnusim USES the description, which introduces the structure of the expanded Gnusim on the ns2, extending the method to the P2P emulation -Gnusim instructions for use, the paper describes the ns2 extension Gnusim on the structure of extension methods for P2P simulation
GnuSim A General Purpose Simulator for Gnutella and Unstructured P2P Networks.pdf