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Re: shim design vs mobility/renumbering

On 23-apr-2005, at 22:18, Pekka Savola wrote:

In particular, especially with mobility, the locators are expected to become obsolete in a relatively frequent basis. As the ULID is tied to the locators, this has a couple of implications: 

 1) what to do when the locator used for ULID has been removed from
    the node (permanently)?


 2) in particular, what to do in the circumstances are such that
    the locators get assigned to other hosts?


 3) specifically, then what if the host wants to communicate with the
    host which was given its previous locator, if the locator is
    still used as ULID?

In regular multihoming this wouldn't happen, but of course there will be people who think it's a good idea to try this...

(Even though you'd have to work long and hard to get host B to use the address that host A just released in IPv6.)

I think for now we have to say we can't support this. At some later date we'll want to revisit the non-locator (UL)ID thing anyway, and this could solve the above without too many problems.