[Diffserv-interest] new agent

Dear diffserv-users,

here I want to thank everyone that help me till now.my thesis is progressing.( it is about call admission control in diffserv )
  now again i have some questions and i hope that you give answer to me.

  1- i wrote a very simple admission agent. it just ,in arriving every request, measures the load of network and sums it with peak rate of new traffic and then compares it with a threshold.
  i wrote it as a separate agent no in dsedge agent or other. and now my question is this: can i use 2 kind of agent in edge node (admission agent and diffserv edge node agent) or i should insert admission in diffserv program.)
  and another question:
  2-i want to use drop mode for EF traffic. i used from these commands:
  "
  $qCEd setMREDMode DROP 0
  $qCEd  configQ 0 0 30
  $qCEd  configQ 0 1 -1
  "
  but i received "floating point exception" error.
  i also inserted these commands to ds-cbr-tb-wirr.tcl that is example of ns-2. but again i received this error. what's yr idea about it.

I'm waiting for your kindly answer to me.
Thank you in advance.

Best regards,
Elahe

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