Importance

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Abstract

Queries and responses between network elements and a foreign network element are intercepted. As responses from the foreign network element are intercepted, the data from a response is stored so as to build a local cache of retrieved data. In response to the interception of a query, a check is made to determine whether the data sought by the query is stored in the local cache. If the data is stored in the local cache, an integrity check with respect to the data may be carried out. If the integrity check is passed, then the data is returned to the appropriate network element without the query having been transmitted to or the data obtained from the foreign network element. If the integrity check is not passed, or if the data is not stored in the local cache, then the data is obtained or updated from the foreign network element. Advantageously, the data obtained from the foreign network element is added to the local cache so that a subsequent query for the same data does not have to be transmitted to the foreign network element. Rather, if the integrity check is passed, the data is supplied from the local cache.

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First Claim