Resolution of ip addresses associated with a telephone...

Details Resolution of ip addresses associated with a telephone... Resolution of ip addresses associated with a telephone...

H - Electricity

04

M

H04M 1/00 (2006.01) H04M 3/00 (2006.01)

Patent

CA 2623532

Queries for IP addresses associated with a telephone number are conducted in accordance with query flags contained with an ENUM record. A query flag indicates the type of query to be initiated against the DNS databases. The query flag provides a means for interpreting the domain name portion of the URI contained in the ENUM record. Query flags provide an explicit indication as to the type of query to be performed against the DNS and provide an explicit indication as to how the domain name portion of a URI in an ENUM record should be interpreted. Query flags also provide guidance pertaining to subsequent actions to be performed. The use of query flags eliminates ambiguities associated with making assumptions about the domain name contained in an ENUM record. Thus, the use of query flags can reduce latency, reduce the load on transmission links, and reduce processing load on network elements.

On formule des demandes d'adresses associées à un numéro de téléphone en accord avec des drapeaux d'interrogation présent dans un annuaire de noms électroniques (ENUM). Un drapeaux d'interrogation indique le type de demande à lancer dans les bases de données du DNS. Un drapeau d'interrogation est un moyen d'interprétation de la portion nom de domaine de l'URI contenu dans l'ENUM. De tels drapeaux sont une indication explicite du type de demande à formuler contre le DNS et une indication explicite de l'interprétation à donner à la portion nom de domaine de l'URI. Les drapeaux d'interrogation sont également des guides des actions suivantes à mener. L'utilisation de drapeaux d'interrogation élimine les ambiguïtés associées aux hypothèses quant aux noms de domaine présents dans l'ENUM. Ils permettent donc de réduire la latence, la charge sur les voies de transmission, et la charge de traitement sur les éléments de réseaux.

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