Content transmitting system, method for optimizing network traffic in the system, central control device and local caching device
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United States of America Patent
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Oct 3, 2017
Issued Date -
N/A
app pub date -
Jun 25, 2014
filing date -
Dec 26, 2011
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Abstract
A content transmission system includes: a central control device to receive a content packet to be provided to a client device from a content server, store chunks divided from the received content packet together with corresponding chunk identifiers, check duplication of the divided chunks, and transmit the chunk identifier and flow information of a duplicate chunk to a local caching device instead of transmitting the content packet corresponding to the duplicate chunk; and the local caching device to: receive the chunk identifier and the flow information of the duplicate chunk from the central control device, and transmit the content packet corresponding to the received chunk identifier and previously stored to the client device.
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