Re: Comments on draft-nordmark-multi6-threats-01

[Erik Nordmark <Erik.Nordmark@sun.com>]

> Yes, and we should make it very clear that an identifier that can be 
> used on one interface (physical or otherwise) MUST also be usable as an 
> identifier on any other interface (physical or otherwise) that the 
> system has available. Identifiers should be tied to hosts, not to 
> interfaces.

Seems like we all agree.

> On a related note: the SEND CGA stuff mandates using the subnet prefix 
> in creating the interface identifier and as such makes it impossible to 
> have the same interface identifier in different subnets. I was unable 
> to convince them of the error of their ways and apparently there was no 
> IETF last call or I missed it so now this stupidity is an RFC. We 
> should do our best to make sure there isn't any more of this.

It isn't necessarily a bug to have *interface* identifiers that are
tied to interfaces, even though we want to have stack names or host identifiers
that are not.

   Erik