Method for updating DNS address in mobile IP terminal

Details Method for updating DNS address in mobile IP terminal Method for updating DNS address in mobile IP terminal

2005-10-26

2010-11-02

Patel, Ajit (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S435100, C455S436000, C370S331000, C709S220000, C709S228000

Reexamination Certificate

active

07826410

ABSTRACT:
A method for updating a domain name server (DNS) address by obtaining the DNS address when an IP address is allocated by using a mobile IP address in a mobile terminal using the portable interne based on a wireless mobile network is provided. In the method at least one DNS address connected to the wireless mobile network is sampled (S400), a roundtrip delay to the respective sampled DNSs is calculated (S450), a DNS address having a minimum roundtrip delay is selected (S460), and a DNS address of the mobile terminal is updated to be the selected DNS address (S500).

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Jaehoon J., et al. “The Autoconfiguration of Recursive DNS Server and the Optimization of DNS Name Resolution in Hierarchical Mobile IPv6”, 4 pages.
Droms R., “DNS Configuration options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)”, pp. 1-7, Dec. 2003.

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