Re: [ns] Multicast and Unicast node

[Di-Fa Chang <difac@usc.edu>]

check http://www.isi.edu/nsnam/archive/ns-users/webarch/2000/msg04415.html
and  http://www.isi.edu/nsnam/archive/ns-users/webarch/2000/msg04429.html.
they may be helpful.

- difa


On Thu, 29 Nov 2001, Tuan Nguyen Ngoc wrote:

> Hello all,
>
> In one network topology, can I define one node as unicast node and the other as multicast node at the same time ?
>
> I am very confused about the functionality of enable-module(routing-module-name) and the command to enable the multicast when one simulator is created: set ns [new Simulator -multicast on].
>
> As far as I read in Ns-manual, when I use the function before creating new node: Node enable-module("Mcast"), ns will add this routing module into the module_list_ of node. This routing module will be applied for all new nodes ? It means that all new nodes will be the multicast nodes ? If YES, what is the difference from the command set ns [new Simulator -multicast on] ?
>
> Is it possible if I have a OTcl script like following
>
> set ns [new Simulator]
>
> set node1 [$ns node]     <-- this is the Unicast node by default
>
> Node enable-module Mcast
> set node2 [$ns node]    <-- is node2 the multicast node ?? and node1 is unicast ?
>
> Node disable-module Mcast
> set node3 [$ns node]    <-- node3 is the unicast ?
>
> Thanks in advance,
> Tuan
>