DESIGN APPARATUS, DESIGN METHOD, AND RECORDING MEDIUM
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United States of America Patent
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Issued Date -
Feb 1, 2018
app pub date -
Feb 5, 2016
filing date -
Feb 20, 2015
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Abstract
In CDN, a design apparatus for designing a probability that a delivery server or a delivery route is selected for content delivery in response to a delivery request from a user includes a parameter input unit configured to receive, as input parameter values, a parameter related to the network and an estimated amount of demand for delivery requests, a selection probability design unit configured to design, based on the received input parameter values, a selection probability that a cache server is selected as the delivery server or a selection probability that a delivery route is selected, using model predictive control, so as to reduce an excessive delivery request, which is a rejection of a delivery request, wherein the delivery route is a combination of the delivery server and a delivery path on which the content is delivered by the delivery server, and a selection probability output unit configured to output the selection probability of the cache server or the selection probability of the delivery route.
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