[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ns] Hierarchical addressing and mcast



> When I turn on hierarchical addressing, my packets don't get delivered
> or replicated. And I start sending packets waaaaay after the tree should
> be computed (instantaneous). I've got a fairly unsophisticated topo:

Did you try to see if the hierarchical routing test (especially the
ctrmcast one) works for your ns? If it does, then is there any difference
in the setup or requirement of that ctrmcast script and yours?

- Haobo

> 0.0.2             0.1.1              0.2.1
> (2)                (3)                (6)
>    \                |                /
>     ---- (0) ----- (4) ----- (5) ----
>    /    0.0.0     0.1.0     0.2.0    \
> (1)                                   (7)
> 0.0.1                                0.2.2
> 
> Nodes 1, 2, 3, 6, and 7 join a single mcast group. I've also annotated
> the hierarchical addresses (although someone ought to document that
> you MUST start addressing from 0...)
> 
> Nodes 0, 1, and 2, and 5, 6, and 7 used to be LANs, but I know better
> now.
> 
> The agents on nodes 1, 2, 3, 6, and 7 are derived from Agent/UDP.
> 
> I'd send the patch for the code too, but, it would also contain some
> work I'd done to "improve" ns's interaction with dmalloc (as in actually
> reporting file and line number of the allocations.)
> 
> > This is as far as I know. I don't know how to get hier routing work with
> > DM, nor how to get DM work with LAN :(
> 
> 
> 
> -scooter
> 
>