[ns] ns QOS-delay

[ines.ghorbel]

 Hi, 
 
 i want to imlement a qos delay. To implement this, i  have to set the
 current time in packet header field (i called timestamp)  i add it in packet.h
in class packet {... double timestamp;
                          ...
 
 but i find that The best is to use a field of the ip header ,i dont know which one . 
 
  i find also that In each node, especially when the packet arrives to the address
  classifier agent, this agent computes the time elapsed till the current
  time.  i know the theory but i dont know how.
   And then if this time exceeds I defined threshold I simply drop the
  packet. And that is NOT DIFFICULT TO DO.
   thanks

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