| Abstract
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This document presents the Telephony Routing over IP (TRIP). TRIP is
a policy driven inter-administrative domain protocol for advertising
the reachability of telephony destinations between location servers,
and for advertising attributes of the routes to those destinations.
TRIP's operation is independent of any signaling protocol, hence TRIP
can serve as the telephony routing protocol for any signaling
protocol.
The Border Gateway Protocol (BGP-4) is used to distribute routing
information between administrative domains. TRIP is used to
distribute telephony routing information between telephony
administrative domains. The similarity between the two protocols is
obvious, and hence TRIP is modeled after BGP-4.
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