These definitions are fine with me.
But people are going to ask where does a MAC address and a LISP EID
fit into these definitions.
A MAC address and a LISP EID are both identifiers which also have
topological significance within a scope. And they are more like
identifiers, as defined below because when they move within that scope
they *can* change (MAC addresses don't but LISP EIDs should). But they
do have local scope topological significance as defined by locator
below.
Dino
On Mar 27, 2009, at 10:23 PM, Tony Li wrote:
Hi all,
For those of you that weren't able to join us today, the IAB has
charged us with defining some terminology to talk about routing.
While we had a long and spirited discussion today, we didn't get
down to the task of crafting specific text and we decided to
continue this on the list.
Here are some straw man snippets to kick off the discussion. Note
that I'm taking these from definitions already proposed in draft-
irtf-rrg-recommendation-01. Apologies if I'm missing some favorite
subtlety.
locator A locator is a name that has topological sensitivity and
must change if the point of attachment changes.
identifier An identifier is the name of an endpoint. It has no
topological sensitivity. That is, the identifier will not
change, even if the endpoint changes its attachment within
the topology. Identifiers may have other properties, such
as the scope of their uniqueness (global or local) and the
probability of their uniqueness (absolute or statistical).
address An address is a name that is both a locator and an
identifier.
Comments?
Tony
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