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:
Apr. 29, 2014
Filed:
Dec. 19, 2011
Kyeong-tae Kim, Chuncheon-si, KR;
Soo-hyung Lee, Daejeon, KR;
Hyung-kook Jun, Seoul, KR;
Jae-hyuk Kim, Seoul, KR;
Won-tae Kim, Daejeon, KR;
Seung-min Park, Daejeon, KR;
Kyeong-Tae Kim, Chuncheon-si, KR;
Soo-Hyung Lee, Daejeon, KR;
Hyung-Kook Jun, Seoul, KR;
Jae-Hyuk Kim, Seoul, KR;
Won-Tae Kim, Daejeon, KR;
Seung-Min Park, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
The present invention provides a lightweight multicast method and apparatus for a data distribution service. The lightweight multicast apparatus includes a network congestion detection unit for multicasting packets to a plurality of subscriber node terminals, and detecting a cause of network congestion using a negative response message transferred from a relevant subscriber node terminal that could not receive the packets among the plurality of subscriber node terminals. A network recovery control unit determines a recovery control policy depending on the cause of the congestion detected by the network congestion detection unit, and solves the cause of the congestion.