David,
IMHO, every identifier ends up being routed, at least in some
context.
If they are routed, they are not identifiers. They are locators.
An identifier simply names the object. It might enable
connectivity on a non-routed infrastructure, e.g., a local LAN, and
if you want to call this 'being routed', then your comment could be
considered accurate, but in a rather pointless sense.
I think Christian's point here is that one man's identifiers are
other man's locators. All depends on your point of view, or layer
what you are looking at. However, as I noted in my previous message,
while having some value, such usage of terms it is likely to cause
confusion, requiring care with terminology.
Ad hoc (and other sufficiently small) networks are a kind of a
special case since you can mix identifiers and locators there,
simplifying the architecture. I also happen to believe that this
confounding of roles in current IP addresses is one of the reasons
why the Internet has been so successful as it is. However, to me it
is also clear that it is high time to move on, and to split these two
roles.
--Pekka
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