[ns] trace file

[Tulasi S Veguru]

Hi,
  I am a graduate student in Tennessee Technological Univ. My thesis
topic is evaluation of assured forwarding PHB for audio/video bit streams 
using multimedia color marker. I need to evaluate the performance of the 
multimedia color marker for layered coded audio/video. i need to generate or 
get a trace file
of layered coded video and audio.however i couldn't find layered coded 
audio/video trace file anywhere.
can you help me with this
Thank You,
Srini
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