Re: [ns] Broadcast data in NS2

2009-10-13 Thread Jonathan Petit
Hi ! In order to send broadcast messages, I use my own Agent which is quite similar to the p_bcast proposed here (http://www.crhc.illinois.edu/wireless/assignments/simulations/lab108.html ) Maybe you could use it for your sensor scenario. You just have to put the following lines in your

[ns] How to change link properties during simulation?

2009-10-13 Thread Kenneth Zhu
Hello, all! I know that ns-2 can control link up and down during simulation, but is it possible to change the delay and bandwidth during that? If it is possible, how to do that? Could I run $ns_ duplex-link node1 node2 bw delay again with different argument? Best regards, Kenneth Zhu

[ns] perfect transmission channel?

2009-10-13 Thread pedro chaparro
hi, i'm working on a subject where i need to have a perfect transmission channel , i means, transmit a packet from a node A and received it on a node B wihout loss packets and not either have delays, in summary i'd like to eliminate the functions of the botton layers(link and physical layers).

[ns] DiffServ in wireless network

2009-10-13 Thread aoufi souhila
Hi how to configure DiffServ policies in a wireless network. I really need an illustrative example. I found in the directory tcl / ex / diffserv examples, but they all use a wired network. how in the case of wireless network your help is very useful for me, please