> > By name I mean a permanent host ID. Theoretically, DNS resolve could
> > return the host ID and then another method could be used to find the
> > actual routing address based on it.
>
> Why not have the DNS return both? That would save creating a whole separate
> lookup mechanism (to convert from host ID to address), plus the
> cost/complexity/fragility of another lookup step.
Agreed.
> Later, if that host wants to move, it could provide a new address (either
> directly to its correspondents, or indirectly via some servers, or most likely
> both), but the things on the far end would still know they were talking to the
> same entity because it's host ID hadn't changed.
Furthermore, if the host ID is cryptographic in nature (e.g.
a public key), it's even fairly easy to show that the update
messages are not forged. Even further, if you use public keys,
you can even *delegate* the right to send update messages...
--Pekka Nikander
This archive was generated by hypermail 2b29 : Mon Aug 04 2003 - 04:10:04 EDT