Re: [ns] ?'s regarding NS multicast architecture

[Haobo Yu <haoboy@packetdesign.com>]

> - Can anyone explain the entire path a multicast packet
> takes from arrival at a node to exiting the node? If
> possible, could you go into detail of the various ns
> objects and tcl functions that the packet passes
> through.

You may want to look at Polly's ns slide for some previous ns
workshop. That explains both unicast and multicast packet flow. You can
get them somewhere in the ns workshop web page. 

Those slides also explains node and link structure and may be helpful
to your other questions as well.

- Haobo