The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 03, 2017
Filed:
Jun. 25, 2014
SK Telecom Co., Ltd., Seoul, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Jongmin Lee, Seongnam-si, KR;
Kyungjun Lee, Seongnam-si, KR;
Youngjae Shim, Seoul, KR;
Shinae Woo, Daejeon, KR;
Kyoungsoo Park, Daejeon, KR;
SK Telecom Co., Ltd., Seoul, KR;
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Daejeon, KR;
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.