Y Li, J Ahuja, L Lao, JH Cui… - Peer-to-Peer Networking and …, 2011 - Springer ... 2We have identified the fundamental difference between SSW and PSONin Section 2. Here, we simply compare the average search path length of the two systems. Page 8. Peer-to-Peer Netw. Appl. peers in a cluster is too small. ... Related articles - All 4 versions