Re: tunneling [Was: Agenda for Vienna]

[Tim Chown <tjc@ecs.soton.ac.uk>]

On Wed, May 21, 2003 at 02:26:36PM +0200, Erik Nordmark wrote:
> 
> I suspect there are two different ways to do this using DNS:
> 1. It is possible to lookup both identifier and locators based on a DNS
>    name, but the DNS doesn't have a mapping from identifier to locators.
>    1a. Perhaps the DNS could have a reverse mapping from locators to DNS names
>        aka ip6.arpa as today.
> 2. The DNS also has a mapping from identifiers to locators.
>    Presumably this means that the identifiers must be delegated on some 
>    hiearchical boundaries.

Well, we do have ENUM as an example of a DNS system which maps from a type
of identifier (E.164 number) to a locator (URI for service+FQDN) via the
returned NAPTR record in the .e164.arpa space.

Tim