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:
Sep. 15, 2009
Filed:
Jun. 14, 2006
Linli LU, Shanghai, CN;
Hongbin Yu, Shanghai, CN;
Yingzhong Miao, Shanghai, CN;
Jianhua Zhu, Shanghai, CN;
LinLi Lu, Shanghai, CN;
HongBin Yu, Shanghai, CN;
YingZhong Miao, Shanghai, CN;
JianHua Zhu, Shanghai, CN;
Alcatel, Paris, FR;
Abstract
The present invention discloses a method and apparatus for multicast management of user interface in a network access device, which comprises setting a user multicast information table for the user interface in the network access device, IGMP protocol processing unit obtaining the user identification information from a user IGMP message, retrieving and updating the user multicast information table based on types of multicast messages; checking the user multicast information table of the user interface when multicast resources of the user interface are not sufficient, immediately terminating the multicast GSQ process and directly performing quick-leaving when the user multicast information table of a multicast group is empty, in conjunction with use of items of multicast state. The present invention can greatly enhance speed and performance of switching for multicast channels of the network access device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile