> From: Dow Street <[email protected]>
> So, what makes a name into a locator?
When it has _structure_ which relates to _where_ the named thing is.
I.e. MAC is not a locator, even when used in a bridging system, because
there's no structure in it - MACs are just identifiers for the interface.
> "A name is defined to be a "locator" when it is used in the context of,
> nor perhaps by, a system that has a notion of geography, topology, or
> distance, and the value of the name, combined with a location in the
> system, produces a vector of relevance to that system's geography or
> topology."
I _think_ this says the same thing as the above , but in a mathematical way,
but I'm not sure.
> there is something about the phrase "must change if the point of
> attachment changes" that does not seem quite right.
Well, one thing is that a locator may change, even if the physical location
the entity is plugged in hasn't changed, if the structure of the network has
been rearranged (e.g. a chunk of topology has been re-homed, e.g. to a
different ISP).
Noel
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