Reducing fetching load on cache servers in adaptive streaming
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United States of America Patent
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Aug 19, 2014
Grant Date -
Nov 8, 2012
app pub date -
May 3, 2011
filing date -
May 3, 2011
priority date (Note) -
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Abstract
In one embodiment, a method that receives at a cache server device a request from a client device for a first representation of a content chunk; determines whether the first representation is available at the cache server device; responsive to determining that the first representation is available at the cache server device, provides the first representation to the client device; responsive to determining that the first representation is unavailable at the cache server device, determines whether a congestion-like condition is present in an upstream network; and responsive to determining that the congestion-like condition is present in the upstream network, provides a second representation of the content chunk.
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