Ns is a discrete event simulator targeted at
networking research. It provides substantial
support for simulation of TCP, routing, and
multicast protocols over wired and wireless (local
and satellite) networks.
a blog that is maintained by a Chinese Ph.D. candidate from Beihang University, Beijing, P.R.China.
The content is about: Wireless Sensor Network(WSN),Network Simulation/Emulation/Testbed(TinyOS,NS2,TOSSIM,OPNET,Glomosim),Wireless Research(WSN,WiFi,Mesh),OpenSource(JTrana,ZhuaShuShell,QReadBook).