Network Simulator- ns-2, version 2.31
http://sourceforge.net/projects/nsnam/files/allinone/ns-allinone-2.31/
CRCN Multichannel Patch
https://sites.google.com/site/ejazahmedprofile/faq-ns-2-linux/tk-8.4-lastevent.patch?attredirects=0&d=1
