Re: [ns] Passing Traffic to a Queue

[Tarik Alj <aljtarik@inrs-telecom.uquebec.ca>]

>
>
>hi
>
>I am a new user to ns2 & am trying to create a rate controlled edf
>scheduler. This scheduler consists of a regulator (for shaping the
>traffic) & the edf scheduler. My regulator module should consist of
>multiple queues, each queue allocated to a single connection.
>
>I have a doubt regarding the Queue class in ns2. Is it possible to pass
>traffic to the Queue without attaching the queue to any links and nodes.  
>Can we have a TCP Agent to which a traffic application (like CBR)
>is attached, that can be provided as the input to the Queue or do I need
>to create a separate class in C++ for the regulator according to my
>requirments.

You should check out the LAN implementation, especially the class LanIface and 
see how the queue is stored in ifq_. tcl/lan/vlan.tcl; I think it is also 
similar in the wireless stuff. tcl/lib/ns-lib.tcl

>
>If a C++ class needs to be implemented, is it possible to create the
>regulator so as to accept inputs from multiple nodes (having different
>kinds of traffic), process the packets received and add the channel
>condition to its header (assuming a wireless environment). The channel
>condition and the deadline information will both be used during scheduling
>to improve the scheduling efficency.
>
>Any help will be greatly appreciated
>
>Thanx
>Sandeep
>

Tarik