Re: [savi] Binding establishment based on data or control packets?

[Christian Vogt <christian.vogt at ericsson.com>]

Marcelo -

> What about legitimate NA for source addresses _not_ corresponding to  
> an
> existing SAVI binding? I mean, SAVI bindings are soft state, hence it
> can and will be discarded at some point. So, it seem perfectly  
> possible
> to me that a node sends a legitimate NA and that the binding if once
> existed, has been discarded. Dropping legitimate NA packets seems to  
> be
> problematic, i think

Yes, you are right; this is a problem.  In fact, there are more variants
of the case where the legitimate address owner's SAVI device does not
have a binding for the address in question:  It can also happen if the
address in question was manually configured into the legitimate address
owner, and the legitimate address owner has never used the address and
hence never created a binding in its SAVI device.  (This is a situation
that Guang had described earlier.)  Obviously, these cases need to be
handled.

Suggestions?  Do we need to adopt manual configuration of SAVI bindings
for manually configured addresses?

- Christian