Re: DoCoMo Implementation Issues with CTP

> 
> Raghu wrote:
> 
> > > (Also, note that you could not match contexts using PAR's IP
> > > address since that could yield many contexts corresponding to
> > > multiple MNs.)
> > >
> > I was also under impression that both (PAR IP & MN IP)
> > from CTAR & PCTD must match before verifying the token.
> > Otherwise how can nAR determine from
> > which pAR a MN is comming from ?
> >
> 
> Why is it necessary to know PAR's IP when the contexts
> are already there ?
For two reasons,
1. To avoid picking up of any Stale contexts due to frequent moving of MN.
2. Security. 

regards,
Raghu