The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2011
Filed:
Dec. 19, 2006
Daniel Migault, Issy les Moulineaux, FR;
Jean-michel Combes, Issey les Moulineaux, FR;
Anne-sophie Duserre, Courbevoie, FR;
Daniel Migault, Issy les Moulineaux, FR;
Jean-Michel Combes, Issey les Moulineaux, FR;
Anne-Sophie Duserre, Courbevoie, FR;
France Telecom, Paris, FR;
Abstract
A domain server that comprises: means () for receiving a query transmitted from a client device (CL) for obtaining DNS data; a zone file (FZ, zone) comprising one or more distribution rules defining a partitioning of the domain into sub-zones, DNS data of said sub-zones being associated with a pair of partition keys specific to said sub-zone; means () for obtaining from said zone file a useful piece of information sufficient for identifying the pair of the partition keys associated with the required DNS data; and means () for transmitting to the client device (CL): the required DNS data, the value of the signature of said data produced by means of the private component (ZSK[pr]) of the pair of partition keys; and the useful piece of information.