Re: hierarchical, multicast routing etc

[Padmaparna Haldar <haldar@ISI.EDU>]

On Wed, 30 Sep 1998, Polly Huang wrote:

> 
> It seems to me that the following error is due to the change in 
> link/node indexing for hierarchical routings. Am I right, Padma?


Hierarchical rotuing uses the same link indexing (using node ids) as does
flat rtg. looks like either the link_ array was not created completely or
CtrMcast is trying to use a non-existing link?

--Padma.

> 
> -Polly
> 
> > As for simplex errors with CtrMcast:
> > 
> > ns: _o3116 join-group _o5342 0x8000: can't read "link_(6:5)": no such
> > element in array
> >     while executing
> > "return $link_($from:$to)"
> >     (procedure "_o4" line 6)
> >     (Simulator RPF-link line 6)
> >     invoked from within
> > "$ns RPF-link $target [$upstreamtmp id] $tmp"
> >     (procedure "_o4827" line 33)
> >     (CtrMcastComp compute-branch line 33)
> >     invoked from within
> > "$Agent compute-branch $s $group [$Node id]"
> >     (procedure "_o4970" line 27)
> >     (CtrMcast join-group line 27)
> >     invoked from within
> > "$proto join-group $group"
> >     (procedure "_o3120" line 4)
> >     (McastProtoArbiter join-group line 4)
> >     invoked from within
> > "$mcastproto_ join-group $group"
> >     (procedure "_o3116" line 5)
> >     (Node join-group line 5)
> >     invoked from within
> > "_o3116 join-group _o5342 0x8000"
> > 
> > 
> > <http://www.ee.surrey.ac.uk/Personal/L.Wood/>PGP<L.Wood@surrey.ac.uk>