UDP Source characteristics

• UDP (rat, vic, modified ttcp)

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

• Audio

  • Base Layer (BL) 71Kbit/s (CBR)
  • Enhancement Layer (EL) 71Kbit/s (CBR)
  • Audio noise (ttcp)

• Video noise (ttcp or vic)

  • Peak rate 2048Kbit/s, 16fps, quality=1, H.261
  • mean packet size ~ 1000 bytes, VBR

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