Direct domain name service query
First Claim
Patent Images
1. A method comprising:
- requesting a first IP address corresponding to an authority domain name server for a destination device from a domain name server associated with a requesting device; and
requesting an IP address of the destination device from the authority domain name server for the destination device.
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Abstract
A direct domain name service query, wherein the requesting device requests the IP address of the domain name server authoring the domain name of the destination device. Then, the requesting device requests the IP address of the destination device from the domain name server authoring the domain name of the destination device. By using this procedure the requesting device will always get the correct IP address for the destination device even if it had been changed recently.
34 Citations
28 Claims
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1. A method comprising:
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requesting a first IP address corresponding to an authority domain name server for a destination device from a domain name server associated with a requesting device; and requesting an IP address of the destination device from the authority domain name server for the destination device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system, comprising:
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a requesting device; a destination device; first name server, which is associated with the requesting device; and second name server, which is an authority domain name server for the destination device; wherein the requesting device is configured to request from the first name server the IP address of the second name server and the requesting device is further arranged to request from the second name server the IP address of the destination device. - View Dependent Claims (9)
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10. An apparatus for data communications, said apparatus comprising:
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a first requesting unit configured to request a first IP address corresponding to an authority domain name server for a destination device from a domain name server associated with a requesting device; and a second requesting unit configured to request an IP address of the destination device from the authority domain name server for the destination device. - View Dependent Claims (11, 12, 13, 14, 15)
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16. An apparatus for data communications, wherein the apparatus is configured to:
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request a first IP address corresponding to an authority domain name server for a destination device from a domain name server associated with a requesting device; and request an IP address of the destination device from the authority domain name server for the destination device. - View Dependent Claims (17, 18, 19, 20)
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21. A computer program comprising program code embodied in a computer readable medium, the program code being configured to control a process to:
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request a first IP address corresponding to an authority domain name server for a destination device from a domain name server associated with a requesting device; and request an IP address of the destination device from the authority domain name server for the destination device. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A network device, comprising:
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means for requesting from a first name server an IP address of a second name server, wherein the first name server is associated with requesting device; means for further requesting from the second name server an IP address of a destination device, wherein the second name server is the authority domain name server for the destination device. - View Dependent Claims (28)
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Specification