[ns] TCP Split Connection and HTTP/WWW Traffic model

Hello all, I need to include HTTP/WWW Traffic on a topology including TCP Split Connection. So, i'm currently trying to integrate the HTTP/WW model of Tom H. in this topology. I have modified the TCL model to split the TCP connection, but however I get an error with the callback_ variable,

[ns] knowing the node an agent is attached to

Hello all, does anyone know a TCL command to get the node pointer to which an agent is attached to? Is there something like : $agent set node in NS ? Julien.

[ns] DiffServ in NS

Hello all, I need to do flow classification based on sourcedest port ID and not node ID as it is proposed in the DiffServ module provided within NS. Do you know a simple way to achieve flow classification using sourcedest port ID ? Best regards, Julien.

[ns] Force TCP Sender to enter Fast Retransmit

Hello all, Does someone know a simple way to make a tcp sink respond in such manner that the tcp sender it is connected to enter in Fast Retransmit ? Thx, Julien

[ns] Using bytes_ in SatPEP Sink

Hello all, I'm trying to use the SatPEP contribution to NS, but when I try to simulate a simple topology : ---TCPNewreno[Sink0|Send0]---TCPWestwood-[Sink1|Send1]--TCPNewreno- I observe that the bytes_ variable of Sink1 is always null. Sink0 receives

[ns] Throughput Goodput

Hello, Why the goodput measured by [$sink set bytes_] is greater than the throughput measured with [$tcp set ndatabytes_] ?? This means that the receiver get more data than what the tcp sender has sent ?? Julien

[ns] Sack and Newreno in NS2.29

Hello all, I need to use the Sack or Snack Agent of NS and work with Westwood+ to see if Sack or Snack can improve Westwood+ (which is based in Newreno) performances. Unfortunately, it seems that Sack1 Agent in NS2.29doesnt perform very well compared to Newreno. Is there something special in the