kerberos password change in master-slave environ

[Kevin Coffman]

> > Our realm has 43,000+ principals so for us, its a big deal. :)  We have
> > slaves not only for redundancy, but also for load balancing.  We don't want
> > all the users on our campus authenticating or changing passwords against
> > just one machine.  
> 
> I'll see your 43,000 principals and raise you about 15,000 more :)

When we started our conversion to MIT Kerberos about 7 years ago we
were anticipating 500,000 principals (all current faculty, staff,
and students plus service principals and all alumni).
We're well over half-way there.