Domain name system lookup latency reduction

Details Domain name system lookup latency reduction Domain name system lookup latency reduction

2011-06-28

2011-06-28

Winder, Patrice L (Department: 2443)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data addressing

C709S219000

Reexamination Certificate

active

07970940

ABSTRACT:
A technique to reduce the latency of a remote DNS lookup operation is disclosed. More specifically, a machine-readable medium, method, device, and system are described that scan a document when it is retrieved from the Internet. The scan takes place for one or more patterns, where each pattern denotes an Internet host name. The technique then asynchronously causes an Internet Domain Name System (DNS) server to translate each Internet host name pattern discovered from the document scan to an associated Internet Protocol (IP) address. The technique then asynchronously stores each translated IP address in a local DNS cache.

REFERENCES:
patent: 6262987 (2001-07-01), Mogul
patent: 7254642 (2007-08-01), Bhogal et al.
patent: 2002/0101836 (2002-08-01), Dorenbosch
Brain, Marshall. “How Domain Name Servers Work”, Retrieved from http://www.howstuffworks.com/dns.htm/printable on Dec. 22, 2009; 5 pages.

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