checkout the file "CHANGES.html" in the ns package you downloaded . Kun-chan Lan >Hi all, >I'm using ns to simulate behaviour of various type of queueing algorithm. >Actually I'm using ns 2.1b5...are there significant change in ns 2.1b7 for >this purpose? (For example a simpler way to evaluate per-packet delay of a >long session) > >Thanks >@nto > >