[ns] Re: AODV

[Ya Xu <yaxu@ISI.EDU>]

The fix fixed some looping scenarios but not all possible loops

On Wed, 25 Apr 2001, Adam GREENHALGH wrote:

> Hi,
> 
> I am trying to carry out some simulations of using ADOV and I am finding that 
> AODV is looping in some of the simulations. Back in Feb. Ya Xu wrote that a 
> fix for this was in the pipe line (see email below). Has the fix been finished 
> ? Could someone point me to it.
> 
> Thanks in advance
> 
> Adam Greenhalgh
> PhD Student
> UCL Computer Science Dept.
> 
> --------------------------
> 
> yaxu@ISI.EDU wrote :-
> 
> 
> A few issues may lead to loop
> 
> (1) The AODV protocol that ns2.1b7a implementation was based on was
> not loop-free (Some changes have been made to AODV since then in order to
> make it loop-free, AFAIK)
> 
> (2) ns2.1b7a has a bug to lead to AODV loop.
> 
> Now the current ns ns-snapshot fixed the problem (2). 
> 
> We do have timetable to fix (1).
> 
> -Ya
> 
> On Sat, 24 Feb 2001, Dong Sun wrote:
> 
> > I wonder if anobody have debug this issue in AODV, I found the same
> > thing at
> > ns2.1b7a.
> > thanks.---Dong
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > Can you send some of the scenarios so that we can try to debug the
> > problem.
> > Any sample code would be appricated.
> > 
> > Thanks,
> > 
> > - John Mehringer
> > 
> > "soumya@cse.ucsc.edu" wrote:
> > 
> > > Hi,
> > >
> > > While running AODV (ns-2.1b6 Release), I found that the program goes
> > in an
> > > infinite loop for certain scenarios. Actually the simulation doesnot
> > move
> > > while the trace file grows.
> > > Has anybody fixed this problem ?
> > >
> > > Thanks,
> > > Soumya
> > 
> > 
> > 
> > 
>