Traffic Generation

• TCP (netperf)

  • background traffic (routers busy)
  • inter-arrival times exponentially distributed
  • bimodal distribution flow duration (mean 1, 30 s)

• UDP (modified ttcp)

  • CBR (specify: rate Kbits/s, packet size bytes)
  • problems with accurate rate (gettimeofday,select)

• Video noise (ttcp or vic), Audio noise (ttcp)

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