System and method for address resolution in internet protocol (IP)-based networks
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United States of America Patent
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Jul 12, 2005
Grant Date -
Mar 7, 2002
app pub date -
May 11, 2001
filing date -
Sep 1, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A system and unified method of address resolution in an IP-based network. A Resolver determines whether an input address is a URL/URI, and if so, extracts a domain name. If the input address is an E.164 number, the Resolver converts the E.164 number into a domain name in ENUM format. The Resolver then sends a domain name query to a DNS which, if able, returns the IP address for either a Global MGCF or a destination server along with a supported Application protocol. If the DNS is unable to perform the translation, or the Application protocol returned is not supported by the requesting application, the Resolver sends a domain name query to an extended Location Server (LS) to obtain an IP address of a gateway function capable of interfacing with the destination server.
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