RE: [DNA] [Issue X] LinkID v.s. Landmark Prefix

["Tero Kauppinen (JO/LMF)" <tero.kauppinen@ericsson.com>]

> This is the host problem and is same problem if the router suddenly
> stops advertising prefix 2. I looked into 2462bis and found the
following
> text:
> 
> 5.5.3  Router Advertisement Processing
> 
> ---
> 
> d) If the prefix advertised is not equal to the prefix of an address
>       configured by stateless autoconfiguration already in the list of
>       addresses associated with the interface (where "equal" means the
>       two prefix lengths are the same and the first prefix-length bits
>       of the prefixes are identical), and the Valid Lifetime is not 0,
>       form an address (and add it to the list) by combining the
>       advertised prefix with the link's interface identifier
> 
> If the node did not configure the address based on prefix 1 then
> it should either wait till the prefix 2 life time expiry or if the
router
> does not support forwarding for the prefix 2, an intelligent host can
> configure new address using prefix 1 based on packet loss. I am
> not sure about choosing new address based on packet loss.

True. In the middle of this confusion I didn't think that the node could
indeed configure itself multiple addresses. It's then up to the source
address selection logic to decide which one to use.
 
Thanks,
Tero