Cached data detection
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United States of America Patent
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Feb 24, 2015
Issued Date -
N/A
app pub date -
Apr 6, 2011
filing date -
Apr 6, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A service assigns session identifiers to usage sessions of a program on a computing device, and maintains records in a log of received page requests and associated session identifiers, as well as received cached data detection requests and associated session identifiers. This log can be used to determine how many usage sessions existed over a particular amount of time, and how many of the usage sessions used data from a local cache rather than from the service. The service also returns, in response to a received cached data detection request, a response including an indication that the response is from the service. The program can determine that the response was received from the service if the indication is included in the response, and that the response was received from a local cache of the computing device if the indication is not included in the response.
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