Sprint Communications Comapny L.p.

Austin C Castaldi

John H Bennett, Iii

Brent A Scott

Robert J Pierce

What is disclosed is a method of operating a communication system. The method includes receiving a registration request for a user device and processing the registration request to associate a network address with domain name information for the user device. The method also includes transferring an update message for delivery to a local domain name database with the association between the network address and the domain name information for the user device, and withholding an update of the association in a master domain name database. The method also includes receiving a first query for the association between the network address and the domain name information for the user device into the master domain name database, and in response, transferring a second query for delivery to the local domain name database. The method also includes receiving the second query in the local domain name database, and in response, transferring the association between the network address and the domain name information for the user device for delivery to the master domain name database.

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San Carlos, CA, United States of America

Austin C Castaldi