Domain name system resolution
US7099957B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2001 |
| Grant date | Aug 29, 2006 |
| Priority date | — |
| Expiry date | Sep 28, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0838
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A host name query is received by a modem from a client computer. The host name query is simultaneously transmitted from the modem to a plurality of Domain Name System (DNS) servers. A response is returned to the client computer from the modem, where the response is based on the host name query and any responses received from the DNS servers. In a preferred embodiment at least one address associated with the host name query is acquired from the DNS servers. The client computer then sends a request for content to the address. If more than one address is returned, all but one of the addresses is eliminated. This can be done by rejecting all but the most recent address, or rejecting all addresses not provided by a service provider DNS server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.