Inverse Address Resolution Protocol
<networking, protocol> (InARP) Additions to ARP typically used for Frame
Relay. [Any other examples of its use?]
Frame Relay stations route frames of a higher level protocol between LANs,
across a Permanent Virtual Circuit. These stations are identified by their Data
Link Control Identifier (DLCI), equivalent to an Ethernet address in a LAN
itself.
InARP allows a station to determine a protocol address (e.g. IP address) from a
DLCI. This is useful if a new virtual circuit becomes available. Signalling
messages announce its DLCI, but without the corresponding protocol address it is
unusable: no frames can be routed to it.
Reverse ARP (RARP) performs a similar task on an Ethernet LAN, however RARP
answers the question "What is my IP Address?" whereas InARP answers the question
"What is your protocol address?".
See RFC 2390.
(2000-01-15)
Nearby terms:
intuitionist logic « invariant « inverse «
Inverse Address Resolution Protocol » inverse
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