Autonomous distributed cache allocation control system
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United States of America Patent
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Nov 28, 2017
Grant Date -
Sep 25, 2014
app pub date -
Feb 16, 2014
filing date -
Mar 21, 2013
priority date (Note) -
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Abstract
A node includes a processor that is configured to derive, based on a delivery tree for a content, a logical sub tree structure including a first layer node and second layer nodes lower than the first layer node; calculate first electric power information used for caching the content in the first layer node in the sub tree structure; compare the first electric power information to second electric power information calculated by the second layer nodes in the sub tree structure and used for caching the content in the second layer nodes, then calculate a threshold for a content request rate for each of the second layer nodes; provide control to set the calculated threshold to the second layer nodes; and determine possibility of a cache allocation of the content by comparing a measured content request rate with the threshold.
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