And Now for Something Completely Different (was Re: IPv6 news)

Mon Oct 17 16:46:51 UTC 2005

Paul,

>> This is completely orthogonal to a real identifier/locator split,  
>> which would divide what we know of as the 'address' into two  
>> separate spaces, one which says "where" the node is,  
>> topologically, and one which says "who" the node is.
>
> Hmm, no idea whether it's a good idea or not, but from POV of  
> scaling while it might make 'where' scaleable, you still have to  
> find a way to tie "who" to "where".

True.  Even better, you get to change this binding (mobility) or have  
multiple bindings (multihoming).

> Some might say we already have this split though, DNS.

True enough, but unfortunately, it's not done in a way that we can  
make use of the identifier in the routing subsystem or in the  
transport protocols.

Tony