> From: Dae Young KIM <[email protected]>
> the role of PoA is already served by MAC address, and not has to be
> duplicated by extra 'Locator'.
i) Not all networks have a MAC (although most do, now).
ii) A MAC serves to globally _identify_ an interface, but it is not enough to
_locate_ it (i.e. to be useful to the path selection). It will be necessary
to add some extra information, such as a structured name of the network the
interface is connected to, to make it an interface name which the path
selection (routing) can use. After all, if you do not have that extra
information, you basically have a world-wide bridged network.
Remember, my question was in the context of a node which has _two_
interfaces, to widely separated (in network connectivity terms) networks,
such as i) a particular wireless LAN, and ii) a 3G cellular network.
> mobility is inherently supported by routers without resorting to extra
> mapping (ID>Loc) or agent(HA/FA) infrastructure.
Only within an AS. What happens if the node leaves the AS (perhaps to a
different wireless LAN)?
Noel
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