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AppleTalk Update-Based Routing
Protocol
A method of encapsulating AppleTalk traffic in the header of a
foreign protocol, allowing the connection of two or more discontiguous
AppleTalk internetworks through a foreign network, such as TCP/IP, to form an
AppleTalk WAN. This connection is called an AURP tunnel. In addition to its
encapsulation function, AURP maintains routing tables for the entire AppleTalk
WAN by exchanging routing information between exterior routers. See also
AURP tunnel and exterior router.
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